EP3730843B1 - Method for adjusting control scheme of cooker hood and cooker hood - Google Patents
Method for adjusting control scheme of cooker hood and cooker hood Download PDFInfo
- Publication number
- EP3730843B1 EP3730843B1 EP20169407.2A EP20169407A EP3730843B1 EP 3730843 B1 EP3730843 B1 EP 3730843B1 EP 20169407 A EP20169407 A EP 20169407A EP 3730843 B1 EP3730843 B1 EP 3730843B1
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- European Patent Office
- Prior art keywords
- cooker hood
- sensor
- shifting
- fan
- rotational speed
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- 238000000034 method Methods 0.000 title claims description 18
- 230000035945 sensitivity Effects 0.000 description 7
- 239000003517 fume Substances 0.000 description 6
- 230000003247 decreasing effect Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000000779 smoke Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
-
- 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
Definitions
- the present invention relates to the technical field of household appliances, and in particular, to a method for adjusting a control policy of a cooker hood and a cooker hood.
- US 6,920,874 B1 discloses an improved ventilating range hood that drives a variable speed fan according to the state of four distinct air quality sensors: temperature, humidity, Carbon monoxide and smoke.
- US 2016/123603 A1 discloses a ventilator for a stove which includes a fan with a motor, and a microprocessor controller that regulates the speed of the fan motor.
- US 2009/061752 A1 discloses an autonomous ventilation system includes a variable-speed exhaust fan, a controller, an exhaust hood, and an infrared radiation (“IR”) sensor. Further relevant prior art can be found in CN 109 297 058 A and CN103512066 A .
- An objective of embodiments of the present invention is a method for optimizing an automatic control policy of a cooker hood.
- An objective of the embodiments of the present invention is to provide a user-based personalized cooker hood control method and a cooker hood.
- a method for adjusting a control policy of a cooker hood is provided, where an operation mode of the cooker hood includes a manual mode and an automatic mode, and in the automatic mode, the cooker hood automatically controls a rotational speed of a fan according to a sensor parameter; and the method includes: when the cooker hood operates in the automatic mode, obtaining a quantity of times of up shifting and a quantity of times of down shifting that a user manually adjusts a gear of the cooker hood in a preset period; and adjusting a control parameter of the cooker hood in the automatic mode according to the quantity of times of gear shifting, wherein a sensitive parameter of the sensor is adjusted according to the quantity of times of up shifting and the quantity of times of down shifting, and the rotational speed of the fan corresponding is correspondingly adjusted to the sensor parameter. Therefore, based on user habits in the automatic mode of the cooker hood, the control policy of the cooker hood, especially the control policy of the fan, is automatically adjusted, to implement personalization.
- a sensitive parameter of the sensor is adjusted according to the quantity of times of up shifting and/or the quantity of times of down shifting, and the rotational speed of the fan corresponding to the sensor parameter is correspondingly adjusted.
- the sensitive parameter of the sensor when the quantity of times of up shifting is greater than a first preset value and a value by which the quantity of times of up shifting is greater than the quantity of times of down shifting exceeds a second preset value, the sensitive parameter of the sensor is increased and the rotational speed of the fan of the cooker hood is correspondingly increased; and when the quantity of times of down shifting is greater than a third preset value and a value by which the quantity of times of down shifting is greater than the quantity of times of up shifting exceeds a fourth preset value, the sensitive parameter of the sensor is decreased and the rotational speed of the fan of the cooker hood is correspondingly decreased.
- a quantity of times that the user manually adjusts the gear of the cooker hood in a preset period is obtained.
- the senor includes at least one of the following: an air quality sensor, a temperature sensor, and a moisture sensor.
- a cooker hood including a fan, a sensor, and a controller, where an operation mode of the cooker hood includes a manual mode and an automatic mode, the controller is configured to control, in the automatic mode, a rotational speed of the fan according to a sensor parameter, and the controller is further configured to: when the cooker hood operates in the automatic mode, obtain a quantity of times of up shifting and a quantity of times of down shifting that a user manually adjusts a gear of the cooker hood in a preset period; and an adjustment part is configured to adjust a control parameter of the cooker hood in the automatic mode according to the quantity of times of gear shifting, wherein the controller is configured to adjust a sensitive parameter of the sensor according to the quantity of times of up shifting and the quantity of times of down shifting, and correspondingly adjust the rotational speed of the fan corresponding to the sensor parameter.
- the controller is configured to adjust a sensitive parameter of the sensor according to the quantity of times of up shifting and/or the quantity of times of down shifting, and correspondingly adjust the rotational speed of the fan corresponding to the parameter of the sensor.
- the controller is configured to: when the quantity of times of up shifting is greater than a first preset value and a value by which the quantity of times of up shifting is greater than the quantity of times of down shifting exceeds a second preset value, increase the sensitive parameter of the sensor and correspondingly increase the rotational speed of the fan of the cooker hood; and when the quantity of times of down shifting is greater than a third preset value and a value by which the quantity of times of down shifting is greater than the quantity of times of up shifting exceeds a fourth preset value, decrease the sensitive parameter of the sensor and correspondingly decrease the rotational speed of the fan of the cooker hood.
- the controller is configured to obtain a quantity of times that the user manually adjusts the gear of the cooker hood in a preset period.
- FIG. 1 and FIG. 2 are schematic diagrams of a cooker hood and a control structure of the cooker hood.
- a cooker hood 10 includes a housing 11 and an exhaust fume collecting hood 12 connected to the housing 11, where the housing 11 includes an air inlet, an air outlet, and an air duct 13 between the air inlet and the air outlet.
- the cooker hood 10 further includes a fan 14 disposed in the air duct 13.
- the cooker hood 10 further includes a sensor 16 disposed in the exhaust fume collecting hood 12, which may detect indoor environments such as a temperature, humidity, air pressure, and an oil fume concentration.
- the senor 16 may be a temperature sensor, a moisture sensor, or an air quality sensor such as a VOC sensor, or may be an all-in-one sensor that separately detects a temperature, humidity, air pressure, and an oil fume concentration.
- the senor 16 may be disposed on the cooker hood 10, or may be disposed independently, for example, disposed on a kitchen wall or near a hearth, and may communicate with the cooker hood 10.
- FIG. 2 is a block diagram of a control structure of the cooker hood 10.
- the cooker hood 10 further includes a controller 15.
- the controller 15 is separately connected to the sensor 16 and the fan 14, and is configured to receive a detection parameter of the sensor 16 and control an operation of the fan 14 according to the detection parameter.
- the controller 15 may be disposed on the top of the housing 11 or on the exhaust fume collecting hood 12.
- an operation mode of the cooker hood 10 comprises a manual mode and an automatic mode.
- a user may autonomously adjust a gear of the fan of the cooker hood according to a status of the kitchen environment.
- the controller of the cooker hood controls a rotational speed of the fan of the cooker hood according to the detection parameter of the sensor.
- a button may be disposed on the cooker hood 10, and is configured to start the automatic mode.
- the button may be a mechanical button or may be set as a touch button.
- a correspondence between a parameter value of the sensor and a rotational speed of the fan may be preset, and then the controller 15 may control the rotational speed of the fan 14 based on the correspondence.
- correspondences between a VOC sensor and a rotational speed of a fan are respectively: in a first gear, a gas concentration is 1-10, and a rotational speed is 1500-2000; in a second gear, a gas concentration is 11-20, and a rotational speed is 2000-2500; in a third gear, a gas concentration is 21-30, and a rotational speed is 2500-3000, and so on.
- the user may alternatively manually control the gear of the cooker hood, and may shift up or shift down the gear according to feelings.
- the controller 15 further obtains and automatically adjusts the correspondence between the sensor and the rotational speed according to a status that the user manually controls the gear of the cooker hood, to control the fan.
- the rotational speed of the fan is automatically controlled according to habits of different users for adjusting the gear of the cooker hood, to meet requirements of different users on the kitchen environment.
- the controller 15 may be configured to perform steps of the following method. The method is described in detail below.
- the present invention provides a method for adjusting a control policy of the cooker hood 10. As shown in FIG. 3 , the method includes:
- a habit of the user for adjusting the gear is recorded in a form such as a memory.
- a quantity of times that the user manually adjusts the gear of the cooker hood in a preset period for example, a quantity of times of up shifting and a quantity of times of down shifting in a week or in a month, may be obtained.
- a sensitive parameter of the sensor is adjusted according to the quantity of times of up shifting and/or the quantity of times of down shifting, and the rotational speed of the fan corresponding to the parameter of the sensor is correspondingly adjusted.
- the quantity of times of up shifting is greater than a first preset value and a value by which the quantity of times of up shifting is greater than the quantity of times of down shifting exceeds a second preset value, it indicates that sense sensitivity of the sensor is insufficient, and corresponding sensitivity of the sensor when the rotational speed of the fan is controlled needs to be increased.
- the first preset value and the second preset value may be obtained by using experimental data.
- a case of gear shifting by the user in the automatic mode is recorded in a week, in which a quantity of times of up shifting is 25 and a quantity of times of down shifting is 8, where the first preset value and the second preset value are respectively 10 and 5.
- 25>10 and 25-8>5 which indicate that sensitivity of the sensor is insufficient, and sensitivity needs to be improved to correspondingly adjust the rotational speed of the fan.
- the sensor is a VOC sensor
- a rotational speed of the fan of the cooker hood corresponding to the same gas concentration detected by the sensor may be increased.
- a rotational speed corresponding to a first gear of the cooker hood is adjusted to 1500-2000
- a rotational speed corresponding to a second gear is adjusted to 2500-3000, and so on.
- the quantity of times of down shifting is greater than a third preset value and a value by which the quantity of times of down shifting is greater than the quantity of times of up shifting exceeds a fourth preset value, it indicates that sense sensitivity of the sensor is excessive, and corresponding sensitivity of the sensor when the rotational speed of the fan is controlled needs to be decreased.
- the third preset value and the fourth preset value may be obtained by using experimental data.
- a rotational speed of the fan of the cooker hood corresponding to the same smoke volume detected by the sensor may be decreased.
- the program may be stored in a computer readable storage medium.
- the storage medium may include: a ROM, a RAM, a magnetic disk, or an optical disc.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
Description
- The present invention relates to the technical field of household appliances, and in particular, to a method for adjusting a control policy of a cooker hood and a cooker hood.
- With development of cooker hood technologies, more manufacturers focus on an automatic control technology of a fan of a cooker hood, that is, control a rotational speed of a fan of a cooker hood by using a detection value of a sensor. In this case, automatic control is generally implemented by presetting a correspondence between a sensor parameter and a rotational speed of a fan. However, users have different sensitivity levels to or have different requirements on cooking fumes and environments, the existing automatic control method cannot meet a personalized requirement of a user.
CN108344012A dicloses an automatic control method and system of a smoke exhaust ventilator.US 6,920,874 B1 discloses an improved ventilating range hood that drives a variable speed fan according to the state of four distinct air quality sensors: temperature, humidity, Carbon monoxide and smoke.US 2016/123603 A1 discloses a ventilator for a stove which includes a fan with a motor, and a microprocessor controller that regulates the speed of the fan motor.US 2009/061752 A1 discloses an autonomous ventilation system includes a variable-speed exhaust fan, a controller, an exhaust hood, and an infrared radiation ("IR") sensor. Further relevant prior art can be found inCN 109 297 058 A andCN103512066 A . - An objective of embodiments of the present invention is a method for optimizing an automatic control policy of a cooker hood.
- An objective of the embodiments of the present invention is to provide a user-based personalized cooker hood control method and a cooker hood.
- A method for adjusting a control policy of a cooker hood is provided, where an operation mode of the cooker hood includes a manual mode and an automatic mode, and in the automatic mode, the cooker hood automatically controls a rotational speed of a fan according to a sensor parameter; and the method includes: when the cooker hood operates in the automatic mode, obtaining a quantity of times of up shifting and a quantity of times of down shifting that a user manually adjusts a gear of the cooker hood in a preset period; and adjusting a control parameter of the cooker hood in the automatic mode according to the quantity of times of gear shifting, wherein a sensitive parameter of the sensor is adjusted according to the quantity of times of up shifting and the quantity of times of down shifting, and the rotational speed of the fan corresponding is correspondingly adjusted to the sensor parameter. Therefore, based on user habits in the automatic mode of the cooker hood, the control policy of the cooker hood, especially the control policy of the fan, is automatically adjusted, to implement personalization.
- According to the invention, a sensitive parameter of the sensor is adjusted according to the quantity of times of up shifting and/or the quantity of times of down shifting, and the rotational speed of the fan corresponding to the sensor parameter is correspondingly adjusted.
- In a possible embodiment, when the quantity of times of up shifting is greater than a first preset value and a value by which the quantity of times of up shifting is greater than the quantity of times of down shifting exceeds a second preset value, the sensitive parameter of the sensor is increased and the rotational speed of the fan of the cooker hood is correspondingly increased; and when the quantity of times of down shifting is greater than a third preset value and a value by which the quantity of times of down shifting is greater than the quantity of times of up shifting exceeds a fourth preset value, the sensitive parameter of the sensor is decreased and the rotational speed of the fan of the cooker hood is correspondingly decreased.
- According to the invention, a quantity of times that the user manually adjusts the gear of the cooker hood in a preset period is obtained.
- In a possible embodiment, the sensor includes at least one of the following: an air quality sensor, a temperature sensor, and a moisture sensor.
- A cooker hood is provided, including a fan, a sensor, and a controller, where an operation mode of the cooker hood includes a manual mode and an automatic mode, the controller is configured to control, in the automatic mode, a rotational speed of the fan according to a sensor parameter, and the controller is further configured to: when the cooker hood operates in the automatic mode, obtain a quantity of times of up shifting and a quantity of times of down shifting that a user manually adjusts a gear of the cooker hood in a preset period; and an adjustment part is configured to adjust a control parameter of the cooker hood in the automatic mode according to the quantity of times of gear shifting, wherein the controller is configured to adjust a sensitive parameter of the sensor according to the quantity of times of up shifting and the quantity of times of down shifting, and correspondingly adjust the rotational speed of the fan corresponding to the sensor parameter.
- According to the invention, the controller is configured to adjust a sensitive parameter of the sensor according to the quantity of times of up shifting and/or the quantity of times of down shifting, and correspondingly adjust the rotational speed of the fan corresponding to the parameter of the sensor.
- In a possible embodiment, the controller is configured to: when the quantity of times of up shifting is greater than a first preset value and a value by which the quantity of times of up shifting is greater than the quantity of times of down shifting exceeds a second preset value, increase the sensitive parameter of the sensor and correspondingly increase the rotational speed of the fan of the cooker hood; and when the quantity of times of down shifting is greater than a third preset value and a value by which the quantity of times of down shifting is greater than the quantity of times of up shifting exceeds a fourth preset value, decrease the sensitive parameter of the sensor and correspondingly decrease the rotational speed of the fan of the cooker hood.
- According to the invention, the controller is configured to obtain a quantity of times that the user manually adjusts the gear of the cooker hood in a preset period.
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FIG. 1 is a schematic structural diagram of a cooker hood according to an embodiment of the present invention; -
FIG. 2 is a schematic diagram of a control structure of the cooker hood according to an embodiment of the present invention; and -
FIG. 3 is a flowchart of a method according to an embodiment of the present invention. - To understand the solutions of the present invention more clearly, the following describes implementations in detail with reference to the accompanying drawings of the specification.
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FIG. 1 and FIG. 2 are schematic diagrams of a cooker hood and a control structure of the cooker hood. - As shown in
FIG. 1 , acooker hood 10 includes a housing 11 and an exhaustfume collecting hood 12 connected to the housing 11, where the housing 11 includes an air inlet, an air outlet, and anair duct 13 between the air inlet and the air outlet. Thecooker hood 10 further includes afan 14 disposed in theair duct 13. - According to the invention, the
cooker hood 10 further includes asensor 16 disposed in the exhaustfume collecting hood 12, which may detect indoor environments such as a temperature, humidity, air pressure, and an oil fume concentration. - In an embodiment, the
sensor 16 may be a temperature sensor, a moisture sensor, or an air quality sensor such as a VOC sensor, or may be an all-in-one sensor that separately detects a temperature, humidity, air pressure, and an oil fume concentration. - In an embodiment, the
sensor 16 may be disposed on thecooker hood 10, or may be disposed independently, for example, disposed on a kitchen wall or near a hearth, and may communicate with thecooker hood 10. -
FIG. 2 is a block diagram of a control structure of thecooker hood 10. Thecooker hood 10 further includes acontroller 15. Thecontroller 15 is separately connected to thesensor 16 and thefan 14, and is configured to receive a detection parameter of thesensor 16 and control an operation of thefan 14 according to the detection parameter. - In an embodiment, the
controller 15 may be disposed on the top of the housing 11 or on the exhaustfume collecting hood 12. - According to the invention, an operation mode of the
cooker hood 10 comprises a manual mode and an automatic mode. In the manual mode, a user may autonomously adjust a gear of the fan of the cooker hood according to a status of the kitchen environment. In the automatic mode, the controller of the cooker hood controls a rotational speed of the fan of the cooker hood according to the detection parameter of the sensor. - In an embodiment, a button may be disposed on the
cooker hood 10, and is configured to start the automatic mode. The button may be a mechanical button or may be set as a touch button. - In the automatic mode, a correspondence between a parameter value of the sensor and a rotational speed of the fan may be preset, and then the
controller 15 may control the rotational speed of thefan 14 based on the correspondence. - For example, correspondences between a VOC sensor and a rotational speed of a fan are respectively: in a first gear, a gas concentration is 1-10, and a rotational speed is 1500-2000; in a second gear, a gas concentration is 11-20, and a rotational speed is 2000-2500; in a third gear, a gas concentration is 21-30, and a rotational speed is 2500-3000, and so on.
- In the automatic mode, the user may alternatively manually control the gear of the cooker hood, and may shift up or shift down the gear according to feelings. According to the invention, the
controller 15 further obtains and automatically adjusts the correspondence between the sensor and the rotational speed according to a status that the user manually controls the gear of the cooker hood, to control the fan. The rotational speed of the fan is automatically controlled according to habits of different users for adjusting the gear of the cooker hood, to meet requirements of different users on the kitchen environment. Specifically, thecontroller 15 may be configured to perform steps of the following method. The method is described in detail below. - The present invention provides a method for adjusting a control policy of the
cooker hood 10. As shown inFIG. 3 , the method includes: - S100: When the
cooker hood 10 operates in an automatic mode, obtain a quantity of times of up shifting and/or a quantity of times of down shifting that a user manually adjusts a gear of the cooker hood. - S200: Adjust a control parameter of the cooker hood in the automatic mode according to the quantity of times of gear shifting.
- According to the invention, when the cooker hood operates in the automatic mode and the user adjusts the gear according a preference of the user, a habit of the user for adjusting the gear is recorded in a form such as a memory.
- According to the invention, a quantity of times that the user manually adjusts the gear of the cooker hood in a preset period, for example, a quantity of times of up shifting and a quantity of times of down shifting in a week or in a month, may be obtained.
- According to the invention, after the quantity of times of gear shifting is obtained, a sensitive parameter of the sensor is adjusted according to the quantity of times of up shifting and/or the quantity of times of down shifting, and the rotational speed of the fan corresponding to the parameter of the sensor is correspondingly adjusted.
- Specifically, when the quantity of times of up shifting is greater than a first preset value and a value by which the quantity of times of up shifting is greater than the quantity of times of down shifting exceeds a second preset value, it indicates that sense sensitivity of the sensor is insufficient, and corresponding sensitivity of the sensor when the rotational speed of the fan is controlled needs to be increased. The first preset value and the second preset value may be obtained by using experimental data.
- For example, a case of gear shifting by the user in the automatic mode is recorded in a week, in which a quantity of times of up shifting is 25 and a quantity of times of down shifting is 8, where the first preset value and the second preset value are respectively 10 and 5. In this case, 25>10 and 25-8>5, which indicate that sensitivity of the sensor is insufficient, and sensitivity needs to be improved to correspondingly adjust the rotational speed of the fan. When the sensor is a VOC sensor, a rotational speed of the fan of the cooker hood corresponding to the same gas concentration detected by the sensor may be increased. For example, a rotational speed corresponding to a first gear of the cooker hood is adjusted to 1500-2000, a rotational speed corresponding to a second gear is adjusted to 2500-3000, and so on.
- Correspondingly, when the quantity of times of down shifting is greater than a third preset value and a value by which the quantity of times of down shifting is greater than the quantity of times of up shifting exceeds a fourth preset value, it indicates that sense sensitivity of the sensor is excessive, and corresponding sensitivity of the sensor when the rotational speed of the fan is controlled needs to be decreased. The third preset value and the fourth preset value may be obtained by using experimental data.
- For example, when the sensor is a VOC sensor, a rotational speed of the fan of the cooker hood corresponding to the same smoke volume detected by the sensor may be decreased.
- A person of ordinary skill in the art may understand that all or some of the steps of the methods in the embodiments may be implemented by a program instructing relevant hardware. The program may be stored in a computer readable storage medium. The storage medium may include: a ROM, a RAM, a magnetic disk, or an optical disc.
Claims (6)
- A method for adjusting a control policy of a cooker hood, wherein an operation mode of the cooker hood comprises a manual mode and an automatic mode, and in the automatic mode, the cooker hood automatically controls a rotational speed of a fan according to a sensor parameter; and characterized in that the method comprises: when the cooker hood operates in the automatic mode, obtaining a quantity of times of up shifting and a quantity of times of down shifting that a user manually adjusts a gear of the cooker hood in a preset period; when the cooker hood operates in the automatic mode and the user adjusts the gear according a preference of the user, a habit of the user for adjusting the gear is recorded in a memory, and adjusting a control parameter of the cooker hood in the automatic mode according to the quantity of times of gear shifting, wherein a sensitive parameter of the sensor is adjusted according to the quantity of times of up shifting and the quantity of times of down shifting, and the rotational speed of the fan corresponding is correspondingly adjusted to the sensor parameter.
- The method according to claim 1, characterized by comprising when the quantity of times of up shifting is greater than a first preset value and a value by which the quantity of times of up shifting is greater than the quantity of times of down shifting exceeds a second preset value, increasing the sensitive parameter of the sensor and correspondingly increasing the rotational speed of the fan of the cooker hood; and when the quantity of times of down shifting is greater than a third preset value and a value by which the quantity of times of down shifting is greater than the quantity of times of up shifting exceeds a fourth preset value, reducing the sensitive parameter of the sensor and correspondingly reducing the rotational speed of the fan of the cooker hood.
- The method according to any one of claims 1 or 2, characterized in that the sensor comprises at least one of the following: an air quality sensor, a temperature sensor, and a moisture sensor.
- A cooker hood, comprising a fan, a sensor, a memory and a controller, wherein an operation mode of the cooker hood comprises a manual mode and an automatic mode, the controller is configured to control, in the automatic mode, a rotational speed of the fan according to a sensor parameter, and characterized in that the controller is further configured to: when the cooker hood operates in the automatic mode, obtain a quantity of times of up shifting and a quantity of times of down shifting that a user manually adjusts a gear of the cooker hood in a preset period; and an adjustment part is configured to adjust a control parameter of the cooker hood in the automatic mode according to the quantity of times of gear shifting, wherein the controller is configured to adjust a sensitive parameter of the sensor according to the quantity of times of up shifting and the quantity of times of down shifting, and correspondingly adjust the rotational speed of the fan corresponding to the sensor parameter, wherein the memory is configured to record the habit of the user for adjusting the gear when the cooker hood operates in the automatic mode and the user adjusts the gear according to a user preference.
- The cooker hood according to claim 4, characterized in that the controller is configured to: when the quantity of times of up shifting is greater than a first preset value and a value by which the quantity of times of up shifting is greater than the quantity of times of down shifting exceeds a second preset value, increase the sensitive parameter of the sensor and correspondingly increase the rotational speed of the fan of the cooker hood; and when the quantity of times of down shifting is greater than a third preset value and a value by which the quantity of times of down shifting is greater than the quantity of times of up shifting exceeds a fourth preset value, decrease the sensitive parameter of the sensor and correspondingly decrease the rotational speed of the fan of the cooker hood.
- The cooker hood according to any one of claims 4 or 5, characterized in that the sensor comprises at least one of the following: an air quality sensor, a temperature sensor, and a moisture sensor.
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CN201910337652.7A CN111853881B (en) | 2019-04-25 | 2019-04-25 | Method for adjusting control strategy of range hood and range hood |
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EP3730843B1 true EP3730843B1 (en) | 2022-01-05 |
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CN113154488A (en) * | 2021-03-25 | 2021-07-23 | 青岛海尔智慧厨房电器有限公司 | Control method and device of range hood |
CN113324269A (en) * | 2021-06-28 | 2021-08-31 | 火星人厨具股份有限公司 | Automatic wind power adjusting device and method for kitchen range hood |
CN114034064B (en) * | 2021-11-08 | 2023-12-05 | 杭州老板电器股份有限公司 | Control method and system of range hood |
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CN103512066A (en) * | 2012-06-29 | 2014-01-15 | 太仓南极风能源设备有限公司 | Automatic speed-regulating exhaust hood |
CN109297058A (en) * | 2017-07-24 | 2019-02-01 | 博西华电器(江苏)有限公司 | Kitchen ventilator and its self-adaptation control method and device, storage medium |
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CN111853881B (en) | 2023-10-27 |
EP3730843A1 (en) | 2020-10-28 |
ES2905213T3 (en) | 2022-04-07 |
CN111853881A (en) | 2020-10-30 |
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