CN109798552B - Cooking utensil pot-leaving judging method and device - Google Patents
Cooking utensil pot-leaving judging method and device Download PDFInfo
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Abstract
The invention relates to a cooking utensil pot-leaving judging method and a cooking utensil pot-leaving judging device, wherein the method comprises the following steps: acquiring a temperature-time curve of the pot within a first preset time length; calculating the temperature change rate of the temperature-time curve; and comparing the temperature change rate with a first threshold, judging that the pan is away when the temperature change rate is greater than the first threshold, and judging that the pan is seated when the temperature change rate is less than the first threshold. And when the processes of pot sitting, pot separating and pot sitting sequentially occur within a second preset time, determining to top the pot. The invention has the advantages that: the temperature sensor can be used for judging whether the pan is away from the pot or not, so that the cost is lower.
Description
Technical Field
The invention relates to the technical field of cookers, in particular to a cooker-off judging method, a cooker-off judging device, a cooker, electronic equipment and a non-transitory computer-readable storage medium.
Background
Most of the existing cookers use a method of mounting an electromagnetic position sensor on a contact temperature sensor to detect whether the cooker leaves, the contact temperature sensor is compressed when the cooker sits, so that the position sensor can detect whether the cooker leaves, and when the contact temperature sensor is compressed, the cooker sits; and when the contact sensor is detected to be in a natural state, determining that the pan is away from the pan.
The existing method for judging the cooking range from the pot has the following defects: whether the pot leaves or not can not be detected by only depending on the temperature sensor, a position sensor needs to be additionally arranged on the contact type temperature sensor, the cost is higher, the pot tossing operation in the cooking process can not be judged, and the pot tossing process is a process of firstly leaving the pot and then sitting the pot in a short time after the pot is sitting.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.
Therefore, the first objective of the present invention is to provide a cooking range pot-leaving determination method, which includes collecting temperature information of a period of time, calculating a temperature change rate of the period of time, and comparing the temperature change rate with a preset temperature change rate to determine whether the cooking range pot-leaving determination method is carried out; and judging whether to tilt the pot at the moment according to the temperature change rate of the period of time. The method can judge whether to leave the pot or tilt the pot only by the temperature sensor, and the cost is lower.
The second purpose of the invention is to provide a cooker-leaving judging device.
The third purpose of the invention is to provide a cooker.
A fourth object of the invention is to propose an electronic device.
A fifth object of the invention is to propose a non-transitory computer-readable storage medium.
In order to achieve the above purpose, an embodiment of a first aspect of the present invention provides a cooking utensil pot-leaving determination method, including the following steps: acquiring a temperature-time curve of the pot within a first preset time length; calculating the temperature change rate of the temperature-time curve; and comparing the temperature change rate with a first threshold, judging that the pan is away when the temperature change rate is greater than the first threshold, and judging that the pan is seated when the temperature change rate is less than the first threshold.
In addition, the cooking range pan-leaving determination method provided by the embodiment of the invention can also have the following additional technical characteristics:
in an embodiment of the present invention, the first preset duration includes a second preset duration, and the method further includes: and when the processes of pot sitting, pot separating and pot sitting sequentially occur within the second preset time, determining that the pot is overturned.
According to the cooking utensil pot leaving judgment method provided by the embodiment of the invention, the temperature change rate of a period of time is calculated by collecting the temperature information of the period of time, and is compared with the preset temperature change rate to judge whether the cooking utensil is left from the pot at the moment; and judging whether to tilt the pot at the moment according to the temperature change rate of the period of time. The method can judge whether to leave the pot or tilt the pot only by the temperature sensor, and the cost is lower.
In an embodiment of the present invention, the second preset time period is 10 seconds.
In one embodiment of the invention, the rate of temperature change is 8 ℃/2S.
In one embodiment of the invention, a temperature sensor is adopted to collect the temperature information of the pan bottom so as to obtain the temperature-time curve.
In order to achieve the above object, an embodiment of a second aspect of the present invention provides a device for determining that a cooking stove is away from a pot, including: the acquisition module is used for acquiring a temperature-time curve of the cookware within a first preset time length; the calculation module is used for calculating the temperature change rate of the temperature-time curve; and the judging module is used for comparing the temperature change rate with a first threshold value, judging that the pan is away when the temperature change rate is greater than the first threshold value, and judging that the pan is seated when the temperature change rate is less than the first threshold value.
In addition, the cooking range pan-leaving determination device provided by the above embodiment of the present invention may further have the following additional technical features:
the first preset time period includes a second preset time period, and the method further includes: and when the processes of pot sitting, pot separating and pot sitting sequentially occur within the second preset time, determining that the pot is overturned.
The cooking utensil pot leaving judgment device of the embodiment of the invention calculates the temperature change rate of a period of time by collecting the temperature information of the period of time, compares the temperature change rate with the preset temperature change rate and judges whether the cooking utensil leaves the pot at the moment; and judging whether to tilt the pot at the moment according to the temperature change rate of the period of time. The method can judge whether to leave the pot or tilt the pot only by the temperature sensor, and the cost is lower.
In an embodiment of the present invention, the second preset time period is 10 seconds.
In one embodiment of the invention, the rate of temperature change is 8 ℃/2S.
In one embodiment of the invention, a temperature sensor is adopted to collect the temperature information of the pan bottom so as to obtain the temperature-time curve.
In order to achieve the above object, a cooker according to an embodiment of the third aspect of the present invention includes: the cooking range off-pot judgment device provided by the embodiment of the second aspect of the invention.
According to the cooker disclosed by the embodiment of the invention, through the cooker-leaving judging device, the temperature change rate of a period of time is calculated by collecting the temperature information of the period of time, and is compared with the preset temperature change rate to judge whether the cooker leaves the cooker at the moment; and judging whether to tilt the pot at the moment according to the temperature change rate of the period of time. The method can judge whether to leave the pot or tilt the pot only by the temperature sensor, and the cost is lower.
In order to achieve the above object, a fourth aspect of the present invention provides an electronic device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor executes the program to implement the cooking range out-of-pot determination method according to the first aspect of the present invention.
According to the electronic equipment provided by the embodiment of the invention, the temperature change rate of a period of time is calculated by collecting the temperature information of the period of time, and is compared with the preset temperature change rate to judge whether the electronic equipment leaves the pot at the moment; and judging whether to tilt the pot at the moment according to the temperature change rate of the period of time. The method can judge whether to leave the pot or tilt the pot only by the temperature sensor, and the cost is lower.
To achieve the above object, a fifth aspect of the present invention provides a non-transitory computer-readable storage medium, on which a computer program is stored, where the computer program is executed by a processor to implement the cooking range off-pot determination method according to the first aspect of the present invention.
The non-transitory computer-readable storage medium of the embodiment of the invention calculates the temperature change rate of a period of time by collecting the temperature information of the period of time, compares the temperature change rate with the preset temperature change rate, and judges whether the temperature leaves the pot at the moment; and judging whether to tilt the pot at the moment according to the temperature change rate of the period of time. The method can judge whether to leave the pot or tilt the pot only by the temperature sensor, and the cost is lower.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic diagram of the temperature-time curve of a sitting pan leaving the pan under the same conditions according to the present invention;
fig. 2 is a flowchart of a cooking appliance off-pot determination method according to an embodiment of the present invention;
FIG. 3(a) is a schematic view of a cooktop and cookware according to one embodiment of the present invention;
FIG. 3(b) is a schematic view of a cooktop and cookware according to another embodiment of the present invention;
fig. 4 is a flowchart of a cooking appliance off-pot determination method according to a specific example of the present invention;
fig. 5 is a block schematic diagram of a cooktop out-of-pan determination device according to one embodiment of the invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
A cooker off-pot determination method, a cooker off-pot determination device, a cooker, an electronic apparatus, and a non-transitory computer-readable storage medium according to embodiments of the present invention are described below with reference to the accompanying drawings.
In a firing state, most of contact type temperature sensors are placed in the center of a burner, so that flame can be directly burned to the temperature sensors after leaving a pot, the temperature measured by the temperature sensors is rapidly increased, the temperature rise speed is high, the flame can not be burned to the temperature sensors after sitting the pot, the temperature measured by the temperature sensors is the temperature of the bottom of the pot, and therefore even if the temperature is increased, the temperature can be slowed down, and the temperature rise speed is slowed down. As shown in fig. 1, the temperature and time curve of leaving the pot for empty burningThe slope of the temperature-time curve of the empty pot, namely the temperature rise speed, is obviously different, such as the temperature rise speed V when leaving the pot and burning empty1Not less than 10 ℃/2S, temperature rise speed V when sitting on the pot2≤6℃/2S。
Fig. 2 is a flowchart of a cooking appliance off-pot determination method according to an embodiment of the present invention. In an embodiment of the invention, the hob may be a gas (natural gas or coal gas) hob.
As shown in fig. 2, the cooking utensil pot-leaving determination method of the embodiment of the invention comprises the following steps:
s101, obtaining a temperature-time curve of the pot in a first preset time length. The first preset time period may be set to 30 seconds, 1 minute, 2 minutes, and the like.
In the embodiment of the invention, the cooker can be provided with a man-machine interaction interface, and a plurality of keys (mechanical keys or touch keys) for selecting a cooking mode can be arranged in the man-machine interaction interface. It should be noted that the plurality of buttons may include buttons for stewing, boiling, stewing, steaming, etc. which represent cooking with water, and buttons for frying, stir-frying, etc. which represent cooking without water.
In the embodiment of the invention, the temperature sensor is adopted to acquire the temperature information of the pot bottom so as to acquire the temperature-time curve. Alternatively, as shown in fig. 3(a), the pot bottom temperature measurement mode may be contact temperature measurement. Alternatively, as shown in fig. 3(b), the pot bottom temperature measurement mode may be non-contact temperature measurement.
And S102, calculating the temperature change rate of the temperature-time curve.
In one embodiment of the invention, the rate of change of temperature over time, i.e. the rate of temperature rise V, is calculated0。
S103, comparing the temperature change rate with a first threshold, judging that the pan is away when the temperature change rate is larger than the first threshold, and judging that the pan is seated when the temperature change rate is smaller than the first threshold.
The temperature change rate, i.e., the temperature rise rate V0Comparing with a preset temperature change rate, such as V being 8 ℃/2S when V is0When the V is more than or equal to V, the pot is judged to be separated, and when the V is more than or equal to V, the pot is judged to be separated0<And V, determining that the pan is seated.
S104, when the processes of pot sitting, pot separating and pot sitting sequentially occur within a second preset time, the pot is determined to be turned upside down.
Specifically, the first preset time period includes a second preset time period, and the second preset time period may be set to be, for example, 10 seconds, 8 seconds, 12 seconds, and the like.
For example, the process of turning the pan is to sit the pan and leave the pan first and then sit the pan in a short time, for example, the process of sitting the pan first, then leaving the pan and finally sitting the pan is detected within 10 seconds, that is, the process of sitting the pan is detected within 10 seconds0<V, then V0 is more than or equal to V, then V0<And V, judging the pot is jolt.
Based on the technology, the method calculates the temperature change rate of a period of time by collecting the temperature information of the period of time, compares the temperature change rate with the preset temperature change rate, and judges whether the pot is separated from the pot or not; and judging whether to tilt the pot at the moment according to the temperature change rate of the period of time. The method can judge whether to leave the pot or tilt the pot only by the temperature sensor, and the cost is lower.
The specific control flow is as follows, as shown in fig. 4:
a1, starting the gas stove.
A2, temperature sensor return temperature Tk.
A3, the controller calculates the current temperature change rate, namely the temperature rise speed, and compares the current temperature change rate with the preset temperature change rate V.
A4, when V0 is more than or equal to V, the pot is judged to be out of the pot, and when V0 is less than V, the pot is judged to be seated.
A5, when the pot is seated first and then separated from the pot in a short time and the pot is seated later, namely V0 is V, V0 is not less than V and V0 is V, the pot is determined to be overturned.
In the embodiment of the invention, the pot type can be a pot with good thermal conductivity or a pot with poor thermal conductivity, wherein the pot corresponding to the pot with good thermal conductivity can comprise metal pots of iron, steel, aluminum and the like, and the pot corresponding to the pot with poor thermal conductivity comprises a marmite, a ceramic pot and the like. In addition, in the man-machine interface of the cooker, a plurality of keys (mechanical keys or touch keys) for selecting the type of the cooker can be arranged. It should be noted that the plurality of keys may include keys representing cookware with good thermal conductivity such as iron pots, aluminum pots (or metal cookware), and cookware with poor thermal conductivity such as marmite and ceramic pots.
In other embodiments of the present invention, the plurality of keys for selecting the type of the pot may be two keys, which are a pot with good thermal conductivity and a pot with poor thermal conductivity. The invention can set different specific parameters such as first preset time, second preset time, first threshold value and the like according to different types of cookware.
In addition, the first preset duration, the second preset duration and the first threshold described in this embodiment may be preferred values obtained by a manufacturer of the cooking appliance through a large number of experiments and calls.
Fig. 5 is a block schematic diagram of a cooktop out-of-pan determination device according to one embodiment of the invention.
As shown in fig. 5, the device for determining that a cooking appliance is away from a pot in the embodiment of the present invention includes an obtaining module 100, a calculating module 200, and a determining module 300.
The acquisition module 100 is configured to acquire a temperature-time curve of a pot within a first preset time period; a calculating module 200, configured to calculate a temperature change rate of the temperature-time curve; the determining module 300 is configured to compare the temperature change rate with a first threshold, determine that the pan is away from the pot when the temperature change rate is greater than the first threshold, and determine that the pan is seated when the temperature change rate is less than the first threshold.
In the embodiment of the invention, the temperature sensor is adopted to acquire the temperature information of the pot bottom so as to acquire the temperature-time curve. Alternatively, as shown in fig. 3(a), the pot bottom temperature measurement mode may be contact temperature measurement. Alternatively, as shown in fig. 3(b), the pot bottom temperature measurement mode may be non-contact temperature measurement.
In various embodiments of the present invention, the first preset time period may be set to 30 seconds, 1 minute, 2 minutes, and the like.
In one embodiment of the invention, the rate of change of temperature over time, i.e. the rate of temperature rise V, is calculated0。
In one embodiment of the present invention, the temperature change rate, i.e., the temperature, is setVelocity of rise V0Comparing with a preset temperature change rate, such as V being 8 ℃/2S when V is0When the V is more than or equal to V, the pot is judged to be separated, and when the V is more than or equal to V, the pot is judged to be separated0<And V, determining that the pan is seated.
In an embodiment of the present invention, the first preset time period includes a second preset time period, and the second preset time period may be set to 10 seconds, 8 seconds, 12 seconds, or the like, for example.
In an embodiment of the present invention, the determining module 300 may further be configured to: and when the processes of pot sitting, pot separating and pot sitting sequentially occur within a second preset time, determining to top the pot. The second preset duration is within the first preset duration.
For example, the top pan is a process of sitting the pan and then leaving the pan first in a short time, for example, V is detected first in 10 seconds when the first pan is detected, then leaving the pan, and finally sitting the pan, that is, V is detected first in 10 seconds0<V, then V0 is more than or equal to V, then V0<And V, judging the pot is jolt.
The cooking utensil pot leaving judgment device of the embodiment of the invention calculates the temperature change rate of a period of time by collecting the temperature information of the period of time, compares the temperature change rate with the preset temperature change rate and judges whether the cooking utensil leaves the pot at the moment; and judging whether to tilt the pot at the moment according to the temperature change rate of the period of time. The method can judge whether to leave the pot or tilt the pot only by the temperature sensor, and the cost is lower.
In order to implement the above embodiments, the present invention also proposes a cooking appliance comprising: the cooking range off-pot judgment device provided by the embodiment of the second aspect of the invention.
According to the cooker disclosed by the embodiment of the invention, through the cooker-leaving judging device, the temperature change rate of a period of time is calculated by collecting the temperature information of the period of time, and is compared with the preset temperature change rate to judge whether the cooker leaves the cooker at the moment; and judging whether to tilt the pot at the moment according to the temperature change rate of the period of time. The method can judge whether to leave the pot or tilt the pot only by the temperature sensor, and the cost is lower.
In order to implement the foregoing embodiments, the present invention further provides an electronic device, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor executes the program to implement the cooking range pan-out determination method according to the first aspect of the present invention.
According to the electronic equipment provided by the embodiment of the invention, the temperature change rate of a period of time is calculated by collecting the temperature information of the period of time, and is compared with the preset temperature change rate to judge whether the electronic equipment leaves the pot at the moment; and judging whether to tilt the pot at the moment according to the temperature change rate of the period of time. The method can judge whether to leave the pot or tilt the pot only by the temperature sensor, and the cost is lower.
In order to achieve the above embodiments, the present invention further proposes a non-transitory computer-readable storage medium, on which a computer program is stored, the program being executed by a processor to implement the cooking range pot exit determination method according to the embodiment of the first aspect of the present invention.
In order to implement the above embodiment, the present invention further provides a non-transitory computer-readable storage medium, which collects temperature information of a period of time, calculates a temperature change rate of the period of time, compares the temperature change rate with a preset temperature change rate, and determines whether the temperature is away from the pot at the moment; and judging whether to tilt the pot at the moment according to the temperature change rate of the period of time. The method can judge whether to leave the pot or tilt the pot only by the temperature sensor, and the cost is lower.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (9)
1. A cooking utensil pot-leaving judging method is characterized by comprising the following steps:
acquiring a temperature-time curve of the pot within a first preset time length; acquiring pot bottom temperature information by using a temperature sensor to acquire the temperature-time curve;
calculating the temperature change rate of the temperature-time curve;
comparing the temperature change rate with a first threshold, judging that the pan is away when the temperature change rate is greater than the first threshold, and judging that the pan is seated when the temperature change rate is less than the first threshold;
the first preset time period includes a second preset time period, and the method further includes:
and when the processes of pot sitting, pot separating and pot sitting sequentially occur within the second preset time, determining that the pot is overturned.
2. The cooking range pot-leaving determination method of claim 1, wherein the second preset time period is 10 seconds.
3. The cooking range pot-leaving determination method of claim 1, wherein the temperature change rate is 8 ℃/2S.
4. The utility model provides a cooking utensils are from pot decision-making device which characterized in that includes:
the acquisition module is used for acquiring a temperature-time curve of the cookware within a first preset time length; acquiring pot bottom temperature information by using a temperature sensor to acquire the temperature-time curve;
the calculation module is used for calculating the temperature change rate of the temperature-time curve;
the judging module is used for comparing the temperature change rate with a first threshold, judging that the pan is away from the pan when the temperature change rate is greater than the first threshold, and judging that the pan is seated when the temperature change rate is less than the first threshold;
the first preset duration includes a second preset duration, and the judging module is further configured to:
and when the processes of pot sitting, pot separating and pot sitting sequentially occur within the second preset time, determining that the pot is overturned.
5. The cooking range pot exit determination device according to claim 4, wherein the second preset time period is 10 seconds.
6. The cooking range pot-leaving determination device according to claim 4, wherein the temperature change rate is 8 ℃/2S.
7. Cooker comprising a cooker-out determination device as claimed in any one of claims 4 to 6.
8. An electronic device, comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor executes the program to implement the cooking range out-of-pot determination method as claimed in any one of claims 1-3.
9. A non-transitory computer readable storage medium having a computer program stored thereon, wherein the program is executed by a processor to implement the cooktop out of pot determination method of any of claims 1-3.
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| CN111006251B (en) * | 2019-11-25 | 2022-07-15 | 华帝股份有限公司 | Kitchen range, detection method of kitchen range and control method |
| CN111829427A (en) * | 2020-06-18 | 2020-10-27 | 华帝股份有限公司 | Pot-leaving detection device and detection method for kitchen range |
| CN113757736A (en) * | 2021-09-18 | 2021-12-07 | 珠海格力电器股份有限公司 | Control method of smoke stove combined kitchen ware and smoke stove combined kitchen ware |
| CN115218227B (en) * | 2022-07-15 | 2024-08-02 | 宁波方太厨具有限公司 | Dry combustion method and system for kitchen range, kitchen range and storage medium |
| CN115405960B (en) * | 2022-08-09 | 2025-07-25 | 火星人厨具股份有限公司 | Kitchen range control method, kitchen range control system, kitchen range and storage medium |
| CN116268960A (en) * | 2023-01-17 | 2023-06-23 | 宁波方太厨具有限公司 | Method, system, equipment and medium for identifying pot |
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| US6157011A (en) * | 2000-05-19 | 2000-12-05 | Lai; Hui-Wen | Electromagnetic stove structure |
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| US6157011A (en) * | 2000-05-19 | 2000-12-05 | Lai; Hui-Wen | Electromagnetic stove structure |
| CN105496173A (en) * | 2014-09-25 | 2016-04-20 | 广东鼎燊科技有限公司 | Wireless temperature measurement type wok, induction cooker and wireless temperature measurement method |
| JP2018004148A (en) * | 2016-06-30 | 2018-01-11 | 東京瓦斯株式会社 | Gas cooking stove |
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Effective date of registration: 20220906 Address after: 241000 west side of 3 / F, No.5 office building, new energy and new materials gathering area, Fuzhou Road, Jiangbei District, Wuhu City, Anhui Province Patentee after: Wuhu Midea intelligent kitchen electricity Manufacturing Co.,Ltd. Address before: No.20 Gangqian Road, industrial park, Beijiao Town, Shunde District, Foshan City, Guangdong Province Patentee before: FOSHAN SHUNDE MIDEA WASHING APPLIANCES MANUFACTURING Co.,Ltd. |