CN111981541B - Operation control method of range hood and range hood - Google Patents
Operation control method of range hood and range hood Download PDFInfo
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- CN111981541B CN111981541B CN202010870310.4A CN202010870310A CN111981541B CN 111981541 B CN111981541 B CN 111981541B CN 202010870310 A CN202010870310 A CN 202010870310A CN 111981541 B CN111981541 B CN 111981541B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2021—Arrangement or mounting of control or safety systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
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Abstract
The invention relates to an operation control method of a range hood, wherein the range hood comprises a body, a fan assembly is arranged in the body, a left temperature sensor and a left distance sensor which are matched with a left combustor on a kitchen range for use are arranged on the body, and a right temperature sensor and a right distance sensor which are matched with a right combustor on the kitchen range for use are arranged on the body, and the operation control method is characterized in that: the range hood judges whether cookware exists on left and right burners of the cooker or not by reading information of the left distance sensor and the right distance sensor in a standby state, and different temperature parameters are selected according to whether the cookware exists or not; and finally, comparing the temperature change rate with the called temperature parameter to realize the operation control of the range hood. Compared with the prior art, the invention has the advantages that: whether cookware exists on the left burner and the right burner of the cooker is judged by utilizing data collected by the left distance sensor and the right distance sensor, so that different temperature characteristic reference values are selected respectively, mutual checking and judgment can be performed, and the accuracy and the judgment fault tolerance are improved.
Description
Technical Field
The invention relates to an operation control method of a range hood and the range hood.
Background
The range hood is the necessary electrical apparatus of people's daily cooking oil absorption cigarette, and the linkage of traditional lampblack absorber cigarette kitchen needs range hood and the cooking utensils in set up the signal transceiver module that pairs, is unfavorable for the user to freely select the cooking utensils, and the gear of range hood motor or rotational speed are fixed, and are poor to the adaptability of front end culinary art state change.
The common household infrared temperature measurement starting stove mostly adopts a low-cost monochromatic infrared sensor similar to a thermopile to measure the temperature, the measured temperature is the average temperature in a view field, and the common household infrared temperature measurement starting stove is most difficult to be interfered by the outside when the diameter of a target area is one time larger than that of the view field (circular area of conical projection). Therefore, under the condition of no pot, because the field of view is different in size and temperature measurement, particularly under the condition of no pot, objects such as surrounding table tops, stove panels and the like can greatly interfere with the average temperature, and if only a certain fixed value is adopted, the identification of other working conditions is slow or inaccurate.
Disclosure of Invention
The invention aims to solve the primary technical problem of providing an operation control method of a range hood, which can respectively select different temperature characteristic references according to whether a cooker is on a cooker or not in the prior art.
The present invention further provides a range hood capable of selecting different temperature characteristic references according to whether a cooker is on the range or not, aiming at the above prior art.
The technical scheme adopted by the invention for solving the above-mentioned primary technical problems is as follows: the utility model provides a range hood's operation control method, wherein range hood includes the organism, is equipped with fan subassembly in the organism, its characterized in that: the range hood is characterized in that a left temperature sensor and a left distance sensor which are matched with a left combustor on the cooker and used, and a right temperature sensor and a right distance sensor which are matched with a right combustor on the cooker are arranged on the range hood, and the range hood is operated and controlled in a standby state by the following method:
step 1, reading information of a left distance sensor and a right distance sensor, respectively recording the information as DL1 and DR1, pre-storing an initial distance between a left burner and the left distance sensor on a kitchen range in the range hood, and marking the initial distance as D1, and pre-storing an initial distance between a right burner and the right distance sensor on the kitchen range in the range hood, and marking the initial distance as D2;
step 2, judging the relationship between DL1 and D1 and the relationship between DR1 and D2:
if the absolute value of DL1-D1 is less than or equal to Da1 and the absolute value of DL2-D2 is less than or equal to Da2, judging that no pan exists on the left burner and the right burner of the stove, calling out temperature parameters k1 and T1 without pans, assigning k1 to kLa, assigning T1 to TLa, assigning k1 to kRa and assigning T1 to TRa;
if DL1-D1 is less than or equal to Da1 and DL2-D2 is more than Da2, judging that no pot is arranged on the left burner of the stove, and a pot is arranged on the right burner of the stove, calling temperature parameters k1 and T1 without pots, assigning k1 to kLa, and assigning T1 to TLa; simultaneously calling pan temperature parameters k2 and T2, assigning k2 to kRa, and assigning T2 to TRa;
if DL1-D1 is greater than Da1 and DL2-D2 is less than or equal to Da2, judging that a cookware exists on the left burner of the cooker, and no cookware exists on the right burner of the cooker, calling temperature parameters k2 and T2 of the cookware, assigning k2 to kLa, and assigning T2 to TLa; simultaneously calling cookware-free temperature parameters k1 and T1, assigning k1 to kRa, and assigning T1 to TRa;
if | DL1-D1| is more than Da1 and | DL2-D2| is more than Da2, determining that pans exist on both the left burner and the right burner of the stove, calling pan temperature parameters k2 and T2, assigning k2 to kLa, assigning T2 to TLa, assigning k2 to kRa and assigning T2 to TRa;
wherein Da1, Da2, k1 and T1 are all preset constants; the kLa, TLa, kRa and TRa are preset parameters, and the initial values of the kLa, TLa, kRa and TRa are all zero;
step 5, comparing kL and kLa and kR and kRa respectively;
if the absolute value kL is more than kLa and the kL is positive, or the absolute value kR is more than kRa and the kR is positive, starting a fan assembly of the range hood, otherwise, entering the step 6;
and 6, judging whether the latest temperature data acquired by the left temperature sensor is less than TLa or not and whether the latest temperature data acquired by the right temperature sensor is less than TRa or not, if both conditions are met, temporarily not starting the fan assembly of the range hood, and if the two conditions are not met simultaneously, starting the fan assembly of the range hood.
As an improvement, after a fan assembly of the range hood is started, the operation control is carried out by the following method:
step 1-1, operating a fan assembly at a preset fixed gear;
step 1-2, reading data of a left distance sensor and a right distance sensor;
step 1-3, judging whether data of a left distance sensor and data of a right distance sensor have periodic changes, if the data of the left distance sensor have periodic changes, judging that a pan turning or stir-frying phenomenon exists in a pan on the left side, improving the operation gear of a fan assembly, and then returning to the step 1-2; if the data of the right distance sensor changes periodically, judging that the pan on the right side is turned or fried, increasing the operation gear of the fan assembly, and returning to the step 1-2; if the data of the left distance sensor and the data of the right distance sensor do not change periodically, the step 1-4 is carried out;
step 1-4, judging whether data of a left distance sensor and data of a right distance sensor change, if one of the data of the left distance sensor and the data of the right distance sensor is reduced and the other is unchanged or is reduced simultaneously, improving the operation gear of the fan assembly, and then returning to the step 1-2; if one of the data of the left distance sensor and the data of the right distance sensor is enlarged and the other is unchanged or is enlarged simultaneously, reducing the running gear of the fan assembly, and then returning to the step 1-2; if the situation is other, entering the step 1-5;
step 1-5, judging the relationship between DL1 and D1 and the relationship between DR1 and D2:
if the absolute value of DL1-D1 is less than or equal to Da1 and the absolute value of DL2-D2 is less than or equal to Da2, judging that no pan exists on the left burner and the right burner of the stove, calling out temperature parameters k1 and T1 without pans, assigning k1 to kLa, assigning T1 to TLa, assigning k1 to kRa and assigning T1 to TRa;
if DL1-D1 is less than or equal to Da1 and DL2-D2 is more than Da2, judging that no pot is arranged on the left burner of the stove, and a pot is arranged on the right burner of the stove, calling temperature parameters k1 and T1 without pots, assigning k1 to kLa, and assigning T1 to TLa; simultaneously calling pan temperature parameters k2 and T2, assigning k2 to kRa, and assigning T2 to TRa;
if DL1-D1 is greater than Da1 and DL2-D2 is less than or equal to Da2, judging that a cookware exists on the left burner of the cooker, and no cookware exists on the right burner of the cooker, calling temperature parameters k2 and T2 of the cookware, assigning k2 to kLa, and assigning T2 to TLa; simultaneously calling cookware-free temperature parameters k1 and T1, assigning k1 to kRa, and assigning T1 to TRa;
if | DL1-D1| is more than Da1 and | DL2-D2| is more than Da2, determining that pans exist on both the left burner and the right burner of the stove, calling pan temperature parameters k2 and T2, assigning k2 to kLa, assigning T2 to TLa, assigning k2 to kRa and assigning T2 to TRa;
wherein Da1, Da2, k1 and T1 are all preset constants; the kLa, TLa, kRa and TRa are preset parameters, and the initial values of the kLa, TLa, kRa and TRa are all zero;
step 1-6, reading information of a left temperature sensor and a right temperature sensor;
step 1-7, calculating a left side temperature change rate and a right side temperature change rate, marking the left side temperature change rate as kL, and marking the right side temperature change rate as kR;
1-8, comparing kL and kLa and kR and kRa respectively;
if the absolute value of kL is more than kLa and the kL is positive, or the absolute value of kR is more than kRa and the kR is positive, increasing the operation gear of the fan assembly and returning to the step 1-2; otherwise, entering the step 1-9;
step 1-9, judging whether the latest temperature data acquired by the left temperature sensor is less than TLa or not and whether the latest temperature data acquired by the right temperature sensor is less than TRa or not, if both conditions are met, continuing to operate the fan assembly for a preset second time and then shutting down the fan assembly; and if the two conditions are not met simultaneously, the fan assembly keeps the current operation gear and returns to the step 1-2.
The technical scheme adopted by the invention for solving the further technical problems is as follows: the utility model provides a range hood, includes the organism, is equipped with fan assembly in the organism, its characterized in that: the range hood is characterized in that a left temperature sensor and a left distance sensor which are matched with a left combustor on the kitchen range for use, and a right temperature sensor and a right distance sensor which are matched with a right combustor on the kitchen range for use are arranged on the range hood body, and the range hood is controlled to operate in a standby state through the method.
As an improvement, after a fan assembly of the range hood is started, the range hood is operated and controlled by the improved method.
Compared with the prior art, the invention has the advantages that: whether cookware exists on the left burner and the right burner of the cooker is judged by utilizing data collected by the left distance sensor and the right distance sensor, so that different temperature characteristic reference values are selected respectively, judgment bases of two sets of different detection data are realized, mutual check judgment can be realized, and accuracy and judgment fault tolerance are improved.
Drawings
FIG. 1 is a schematic structural diagram of a range hood and a corresponding range in an embodiment of the invention;
FIG. 2 is a flow chart of the operation control of the range hood in the standby state according to the embodiment of the present invention;
fig. 3 is a flow chart of the operation control of the range hood after the fan assembly is started in the embodiment of the invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
The range hood shown in fig. 1 comprises a body 1, a cooker 7 is arranged below the body 1, a left burner 8 and a right burner 9 are arranged on the cooker 7, a fan assembly is arranged in the body 1, a left temperature sensor 3 and a left distance sensor 4 which are matched with the left burner on the cooker and used are arranged on the lower side of the body, and a right temperature sensor 5 and a right distance sensor 6 which are matched with the right burner on the cooker and used are arranged on the lower side of the body.
The range hood is controlled to operate in a standby state by the following method, which is shown in fig. 2:
step 1, reading information of a left distance sensor and a right distance sensor, respectively recording the information as DL1 and DR1, pre-storing an initial distance between a left burner and the left distance sensor on a kitchen range in the range hood, and marking the initial distance as D1, and pre-storing an initial distance between a right burner and the right distance sensor on the kitchen range in the range hood, and marking the initial distance as D2; in the embodiment, the left distance sensor 4 and the right distance sensor 6 are both installed at the lower side of the machine body 1 and are at the same distance from the cooker, so that D1 is D2;
step 2, judging the relationship between DL1 and D1 and the relationship between DR1 and D2:
if the absolute value of DL1-D1 is less than or equal to Da1 and the absolute value of DL2-D2 is less than or equal to Da2, judging that no pan exists on the left burner and the right burner of the stove, calling out temperature parameters k1 and T1 without pans, assigning k1 to kLa, assigning T1 to TLa, assigning k1 to kRa and assigning T1 to TRa;
if DL1-D1 is less than or equal to Da1 and DL2-D2 is more than Da2, judging that no pot is arranged on the left burner of the stove, and a pot is arranged on the right burner of the stove, calling temperature parameters k1 and T1 without pots, assigning k1 to kLa, and assigning T1 to TLa; simultaneously calling pan temperature parameters k2 and T2, assigning k2 to kRa, and assigning T2 to TRa;
if DL1-D1 is greater than Da1 and DL2-D2 is less than or equal to Da2, judging that a cookware exists on the left burner of the cooker, and no cookware exists on the right burner of the cooker, calling temperature parameters k2 and T2 of the cookware, assigning k2 to kLa, and assigning T2 to TLa; simultaneously calling cookware-free temperature parameters k1 and T1, assigning k1 to kRa, and assigning T1 to TRa;
if | DL1-D1| is more than Da1 and | DL2-D2| is more than Da2, determining that pans exist on both the left burner and the right burner of the stove, calling pan temperature parameters k2 and T2, assigning k2 to kLa, assigning T2 to TLa, assigning k2 to kRa and assigning T2 to TRa;
wherein Da1, Da2, k1 and T1 are all preset constants; the kLa, TLa, kRa and TRa are preset parameters, and the initial values of the kLa, TLa, kRa and TRa are all zero;
step 5, comparing kL and kLa and kR and kRa respectively;
if the absolute value kL is more than kLa and the kL is positive, or the absolute value kR is more than kRa and the kR is positive, starting a fan assembly of the range hood, otherwise, entering the step 6;
and 6, judging whether the latest temperature data acquired by the left temperature sensor is less than TLa or not and whether the latest temperature data acquired by the right temperature sensor is less than TRa or not, if both conditions are met, temporarily not starting the fan assembly of the range hood, and if the two conditions are not met simultaneously, starting the fan assembly of the range hood.
After the fan assembly of the range hood is started, the operation control is performed by the following method, which is shown in fig. 3:
step 1-1, operating a fan assembly at a preset fixed gear;
step 1-2, reading data of a left distance sensor and a right distance sensor;
step 1-3, judging whether data of a left distance sensor and data of a right distance sensor have periodic changes, if the data of the left distance sensor have periodic changes, judging that a pan turning or stir-frying phenomenon exists in a pan on the left side, improving the operation gear of a fan assembly, and then returning to the step 1-2; if the data of the right distance sensor changes periodically, judging that the pan on the right side is turned or fried, increasing the operation gear of the fan assembly, and returning to the step 1-2; if the data of the left distance sensor and the data of the right distance sensor do not change periodically, the step 1-4 is carried out;
step 1-4, judging whether data of a left distance sensor and data of a right distance sensor change, if one of the data of the left distance sensor and the data of the right distance sensor is reduced and the other is unchanged or is reduced simultaneously, improving the operation gear of the fan assembly, and then returning to the step 1-2; if one of the data of the left distance sensor and the data of the right distance sensor is enlarged and the other is unchanged or is enlarged simultaneously, reducing the running gear of the fan assembly, and then returning to the step 1-2; if the situation is other, entering the step 1-5;
step 1-5, judging the relationship between DL1 and D1 and the relationship between DR1 and D2:
if the absolute value of DL1-D1 is less than or equal to Da1 and the absolute value of DL2-D2 is less than or equal to Da2, judging that no pan exists on the left burner and the right burner of the stove, calling out temperature parameters k1 and T1 without pans, assigning k1 to kLa, assigning T1 to TLa, assigning k1 to kRa and assigning T1 to TRa;
if DL1-D1 is less than or equal to Da1 and DL2-D2 is more than Da2, judging that no pot is arranged on the left burner of the stove, and a pot is arranged on the right burner of the stove, calling temperature parameters k1 and T1 without pots, assigning k1 to kLa, and assigning T1 to TLa; simultaneously calling pan temperature parameters k2 and T2, assigning k2 to kRa, and assigning T2 to TRa;
if DL1-D1 is greater than Da1 and DL2-D2 is less than or equal to Da2, judging that a cookware exists on the left burner of the cooker, and no cookware exists on the right burner of the cooker, calling temperature parameters k2 and T2 of the cookware, assigning k2 to kLa, and assigning T2 to TLa; simultaneously calling cookware-free temperature parameters k1 and T1, assigning k1 to kRa, and assigning T1 to TRa;
if | DL1-D1| is more than Da1 and | DL2-D2| is more than Da2, determining that pans exist on both the left burner and the right burner of the stove, calling pan temperature parameters k2 and T2, assigning k2 to kLa, assigning T2 to TLa, assigning k2 to kRa and assigning T2 to TRa;
wherein Da1, Da2, k1 and T1 are all preset constants; the kLa, TLa, kRa and TRa are preset parameters, and the initial values of the kLa, TLa, kRa and TRa are all zero;
step 1-6, reading information of a left temperature sensor and a right temperature sensor;
step 1-7, calculating a left side temperature change rate and a right side temperature change rate, marking the left side temperature change rate as kL, and marking the right side temperature change rate as kR;
1-8, comparing kL and kLa and kR and kRa respectively;
if the absolute value of kL is more than kLa and the kL is positive, or the absolute value of kR is more than kRa and the kR is positive, increasing the operation gear of the fan assembly and returning to the step 1-2; otherwise, entering the step 1-9;
step 1-9, judging whether the latest temperature data acquired by the left temperature sensor is less than TLa or not and whether the latest temperature data acquired by the right temperature sensor is less than TRa or not, if both conditions are met, continuing to operate the fan assembly for a preset second time and then shutting down the fan assembly; and if the two conditions are not met simultaneously, the fan assembly keeps the current operation gear and returns to the step 1-2.
Claims (3)
1. The utility model provides a range hood's operation control method, wherein range hood includes the organism, is equipped with fan subassembly in the organism, its characterized in that: the range hood is characterized in that a left temperature sensor and a left distance sensor which are matched with a left combustor on the cooker and used, and a right temperature sensor and a right distance sensor which are matched with a right combustor on the cooker are arranged on the range hood, and the range hood is operated and controlled in a standby state by the following method:
step 1, reading information of a left distance sensor and a right distance sensor, respectively recording the information as DL1 and DR1, pre-storing an initial distance between a left burner and the left distance sensor on a kitchen range in the range hood, and marking the initial distance as D1, and pre-storing an initial distance between a right burner and the right distance sensor on the kitchen range in the range hood, and marking the initial distance as D2;
step 2, judging the relationship between DL1 and D1 and the relationship between DR1 and D2:
if the absolute value of DL1-D1 is less than or equal to Da1 and the absolute value of DL2-D2 is less than or equal to Da2, judging that no pan exists on the left burner and the right burner of the stove, calling out temperature parameters k1 and T1 without pans, assigning k1 to kLa, assigning T1 to TLa, assigning k1 to kRa and assigning T1 to TRa;
if DL1-D1 is less than or equal to Da1 and DL2-D2 is more than Da2, judging that no pot is arranged on the left burner of the stove, and a pot is arranged on the right burner of the stove, calling temperature parameters k1 and T1 without pots, assigning k1 to kLa, and assigning T1 to TLa; simultaneously calling pan temperature parameters k2 and T2, assigning k2 to kRa, and assigning T2 to TRa;
if DL1-D1 is greater than Da1 and DL2-D2 is less than or equal to Da2, judging that a cookware exists on the left burner of the cooker, and no cookware exists on the right burner of the cooker, calling temperature parameters k2 and T2 of the cookware, assigning k2 to kLa, and assigning T2 to TLa; simultaneously calling cookware-free temperature parameters k1 and T1, assigning k1 to kRa, and assigning T1 to TRa;
if | DL1-D1| is more than Da1 and | DL2-D2| is more than Da2, determining that pans exist on both the left burner and the right burner of the stove, calling pan temperature parameters k2 and T2, assigning k2 to kLa, assigning T2 to TLa, assigning k2 to kRa and assigning T2 to TRa;
wherein Da1, Da2, k1 and T1 are all preset constants; the kLa, TLa, kRa and TRa are preset parameters, and the initial values of the kLa, TLa, kRa and TRa are all zero;
step 3, reading information of the left temperature sensor and the right temperature sensor;
step 4, calculating the left side temperature change rate and the right side temperature change rate, marking the left side temperature change rate as kL, and marking the right side temperature change rate as kR;
step 5, comparing kL and kLa and kR and kRa respectively;
if the absolute value kL is more than kLa and the kL is positive, or the absolute value kR is more than kRa and the kR is positive, starting a fan assembly of the range hood, otherwise, entering the step 6;
and 6, judging whether the latest temperature data acquired by the left temperature sensor is less than TLa or not and whether the latest temperature data acquired by the right temperature sensor is less than TRa or not, if both conditions are met, temporarily not starting the fan assembly of the range hood, and if the two conditions are not met simultaneously, starting the fan assembly of the range hood.
2. The operation control method of the range hood according to claim 1, characterized in that: after a fan assembly of the range hood is started, operation control is carried out by the following method:
step 1-1, operating a fan assembly at a preset fixed gear;
step 1-2, reading data of a left distance sensor and a right distance sensor;
step 1-3, judging whether data of a left distance sensor and data of a right distance sensor have periodic changes, if the data of the left distance sensor have periodic changes, judging that a pan turning or stir-frying phenomenon exists in a pan on the left side, improving the operation gear of a fan assembly, and then returning to the step 1-2; if the data of the right distance sensor changes periodically, judging that the pan on the right side is turned or fried, increasing the operation gear of the fan assembly, and returning to the step 1-2; if the data of the left distance sensor and the data of the right distance sensor do not change periodically, the step 1-4 is carried out;
step 1-4, judging whether data of a left distance sensor and data of a right distance sensor change, if one of the data of the left distance sensor and the data of the right distance sensor is reduced and the other is unchanged or is reduced simultaneously, improving the operation gear of the fan assembly, and then returning to the step 1-2; if one of the data of the left distance sensor and the data of the right distance sensor is enlarged and the other is unchanged or is enlarged simultaneously, reducing the running gear of the fan assembly, and then returning to the step 1-2; if the situation is other, entering the step 1-5;
step 1-5, judging the relationship between DL1 and D1 and the relationship between DR1 and D2:
if the absolute value of DL1-D1 is less than or equal to Da1 and the absolute value of DL2-D2 is less than or equal to Da2, judging that no pan exists on the left burner and the right burner of the stove, calling out temperature parameters k1 and T1 without pans, assigning k1 to kLa, assigning T1 to TLa, assigning k1 to kRa and assigning T1 to TRa;
if DL1-D1 is less than or equal to Da1 and DL2-D2 is more than Da2, judging that no pot is arranged on the left burner of the stove, and a pot is arranged on the right burner of the stove, calling temperature parameters k1 and T1 without pots, assigning k1 to kLa, and assigning T1 to TLa; simultaneously calling pan temperature parameters k2 and T2, assigning k2 to kRa, and assigning T2 to TRa;
if DL1-D1 is greater than Da1 and DL2-D2 is less than or equal to Da2, judging that a cookware exists on the left burner of the cooker, and no cookware exists on the right burner of the cooker, calling temperature parameters k2 and T2 of the cookware, assigning k2 to kLa, and assigning T2 to TLa; simultaneously calling cookware-free temperature parameters k1 and T1, assigning k1 to kRa, and assigning T1 to TRa;
if | DL1-D1| is more than Da1 and | DL2-D2| is more than Da2, determining that pans exist on both the left burner and the right burner of the stove, calling pan temperature parameters k2 and T2, assigning k2 to kLa, assigning T2 to TLa, assigning k2 to kRa and assigning T2 to TRa;
wherein Da1, Da2, k1 and T1 are all preset constants; the kLa, TLa, kRa and TRa are preset parameters, and the initial values of the kLa, TLa, kRa and TRa are all zero;
step 1-6, reading information of a left temperature sensor and a right temperature sensor;
step 1-7, calculating a left side temperature change rate and a right side temperature change rate, marking the left side temperature change rate as kL, and marking the right side temperature change rate as kR;
1-8, comparing kL and kLa and kR and kRa respectively;
if the absolute value of kL is more than kLa and the kL is positive, or the absolute value of kR is more than kRa and the kR is positive, increasing the operation gear of the fan assembly and returning to the step 1-2; otherwise, entering the step 1-9;
step 1-9, judging whether the latest temperature data acquired by the left temperature sensor is less than TLa or not and whether the latest temperature data acquired by the right temperature sensor is less than TRa or not, if both conditions are met, continuing to operate the fan assembly for a preset second time and then shutting down the fan assembly; and if the two conditions are not met simultaneously, the fan assembly keeps the current operation gear and returns to the step 1-2.
3. The utility model provides a range hood, includes the organism, is equipped with fan assembly in the organism, its characterized in that: the range hood is provided with a left temperature sensor and a left distance sensor which are matched with a left combustor on the kitchen range for use, and a right temperature sensor and a right distance sensor which are matched with a right combustor on the kitchen range for use, and the range hood is operated and controlled by the method of claim 1 or 2.
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| CN202010870310.4A CN111981541B (en) | 2020-08-26 | 2020-08-26 | Operation control method of range hood and range hood |
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| CN108930992A (en) * | 2018-09-11 | 2018-12-04 | 中山德著智能科技有限公司 | A kind of intelligent range hood control system |
| KR20200030375A (en) * | 2018-09-12 | 2020-03-20 | 엘지전자 주식회사 | A range hood having enhanced user convenience |
| EP3647664A1 (en) * | 2018-10-31 | 2020-05-06 | Miele & Cie. KG | Steam cooking appliance and method for automatically operating said steam cooking appliance |
| CN111207418A (en) * | 2020-01-03 | 2020-05-29 | 宁波方太厨具有限公司 | Cooking device and control method thereof |
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| US10523851B2 (en) * | 2018-02-19 | 2019-12-31 | Haier Us Appliance Solutions, Inc. | Camera assembly for an oven appliance |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108930992A (en) * | 2018-09-11 | 2018-12-04 | 中山德著智能科技有限公司 | A kind of intelligent range hood control system |
| KR20200030375A (en) * | 2018-09-12 | 2020-03-20 | 엘지전자 주식회사 | A range hood having enhanced user convenience |
| EP3647664A1 (en) * | 2018-10-31 | 2020-05-06 | Miele & Cie. KG | Steam cooking appliance and method for automatically operating said steam cooking appliance |
| CN111207418A (en) * | 2020-01-03 | 2020-05-29 | 宁波方太厨具有限公司 | Cooking device and control method thereof |
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