CN110986127A - Range hood, cooking range system and control method - Google Patents
Range hood, cooking range system and control method Download PDFInfo
- Publication number
- CN110986127A CN110986127A CN201911226521.8A CN201911226521A CN110986127A CN 110986127 A CN110986127 A CN 110986127A CN 201911226521 A CN201911226521 A CN 201911226521A CN 110986127 A CN110986127 A CN 110986127A
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- range hood
- trigger threshold
- interval
- pressure value
- module
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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
-
- 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
- F24C15/2042—Devices for removing cooking fumes structurally associated with a cooking range e.g. downdraft
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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)
Abstract
The invention discloses a range hood, a cooking range system and a control method of the range hood, wherein the control method of the range hood comprises the steps of respectively setting a first trigger threshold, a second trigger threshold and a third trigger threshold; setting specific rotating speeds and detection periods of a motor in the range hood during high-speed operation and low-speed operation; detecting the opening and closing actions of a knob of the stove and judging whether the stove is in an enabled state or not; detecting the pressure value applied to the cooker; judging the interval of the pressure value, and adjusting the rotating speed of the motor; and entering the next detection period. According to the technical scheme, firstly, the on-off action of the knob of the kitchen range is detected, whether the kitchen range is in an enabled state is judged, and the starting of the range hood is prevented from being triggered by mistake; then, the pressure value applied to the cooker is detected through the pressure sensor, the current cooking action of a cooker is indirectly identified through the pressure value applied to the cooker, and whether oil fume can be generated or not is judged according to the current cooking action, so that the rotating speed of a motor in the range hood is automatically adjusted.
Description
Technical Field
The invention relates to the technical field of kitchen and bathroom equipment, in particular to a range hood, a cooking range system using the range hood and a control method of the range hood.
Background
In recent years, along with the continuous application and popularization of intelligent technology, due to the fact that domestic cooking habits are often fried, fried and the like, particularly after hot oil, a large amount of oil smoke is generated at the moment when food materials just contact a pot, and at the moment, the smoke needs to be discharged outside in time.
In the prior art, the range hood mainly extracts oil smoke through the following three schemes, namely, firstly, the range hood keeps a constant and large exhaust volume for a long time, and can extract and remove the oil smoke in time when the oil smoke is generated, but the oil smoke is generated in a large amount at a certain time, and if the range hood runs at a high speed for a long time, the power and the noise are large, so that the resource waste and the discomfort of a cooker are caused; secondly, a smoke sensor or a temperature sensor is utilized, when smoke or temperature is detected to a certain value, the rotating speed of a motor in the range hood is increased, and instantly generated oil smoke is discharged; the third is that the motor speed increasing time of setting one, before cooking, starts this function, makes the oil smoke that produces in the twinkling of an eye get rid of, and this scheme intelligent degree is not enough, and the user often forgets the start-up function, and motor speed increasing time is the fixed value moreover, often mismatches with the time that produces the oil smoke, causes the wasting of resources. In summary, the oil smoke extraction scheme of the existing range hood mainly has insufficient intelligent degree, and the rotating speed of the motor in the range hood cannot be adjusted according to the specific cooking process of the user.
Disclosure of Invention
The invention aims to provide a range hood, a cooking range system and a control method, which are used for solving one or more technical problems in the prior art and at least providing a beneficial selection or creation condition.
The technical scheme adopted for solving the technical problems is as follows:
a control method of a range hood comprises the following steps:
200, respectively setting the specific rotating speeds of a motor in the range hood during high-speed operation and low-speed operation;
step 500, detecting the pressure value of the stove in real time in a detection period;
step 600, judging the interval where the pressure value is located, and adjusting the rotating speed of the motor according to the difference of the intervals where the pressure value is located;
step 700, enter the next detection cycle, return to step 400.
As a further improvement of the above technical solution, in step 600, if it is determined that the pressure value is in the first interval, the following steps are performed:
step 610, judging whether the pressure value changes or not, if not, controlling the motor to run at a low speed, otherwise, continuing to run downwards;
and step 620, judging whether the pressure value generates step change or generates a plurality of times of sudden rising points in a detection period, and if so, controlling the motor to run at a high speed.
As a further improvement of the above technical solution, in step 600, if it is determined that the pressure value is in the second interval, the motor is controlled to operate at a high speed.
As a further improvement of the above technical solution, in step 600, if it is determined that the pressure value is in the third interval, the motor is controlled to operate at a low speed.
As a further improvement of the above technical solution, in step 600, if it is determined that the pressure value is in the fourth interval, the motor is controlled to operate at a low speed.
As a further improvement of the above technical solution, in step 500, before the pressure value received by the cooker is detected, a reset-reset operation is performed.
This application still discloses a range hood simultaneously, including the range hood body, the internally mounted of range hood body has the motor, range hood still includes:
the pressure sensor is used for detecting the pressure borne by the stove;
the motion detection sensor is used for detecting the switch motion of the stove knob;
the device comprises a wireless sending module, a wireless receiving module, a processing module and a rotating speed adjusting module;
the range hood is characterized in that the wireless receiving module, the processing module and the rotating speed adjusting module are all installed on the range hood body, the pressure sensor and the action detection sensor are respectively and electrically connected with the wireless transmitting module, the wireless transmitting module is in communication connection with the wireless receiving module, the wireless receiving module and the rotating speed adjusting module are respectively and electrically connected with the processing module, and the rotating speed adjusting module is electrically connected with the motor.
As a further improvement of the above technical solution, the processing module and the wireless receiving module are integrated on a control module, the control module is in communication connection with the wireless transmitting module, and the control module is electrically connected with the rotation speed adjusting module.
The application also discloses a cooking range system, which comprises a cooking range and the range hood;
the pressure sensor, the action detection sensor and the wireless sending module are all arranged on the cooker;
the kitchen range comprises a cooking bench, a knob and a support, wherein the support and the knob are installed on the cooking bench, the pressure sensor is arranged between the support and the cooking bench, and the motion detection sensor is installed on the knob.
The invention has the beneficial effects that: according to the technical scheme, firstly, the on-off action of the knob of the kitchen range is detected, whether the kitchen range is in an enabled state is judged, and the starting of the range hood is prevented from being triggered by mistake; then, the pressure value applied to the cooker is detected through the pressure sensor, the current cooking action of a cooker is indirectly identified through the pressure value applied to the cooker, and whether oil fume can be generated or not is judged according to the current cooking action, so that the rotating speed of a motor in the range hood is automatically adjusted.
Drawings
The invention is further described with reference to the accompanying drawings and examples;
FIG. 1 is a schematic flow chart of a control method of the present invention;
FIG. 2 is a schematic diagram of the circuit structure of the range hood of the present invention;
fig. 3 is a schematic view of the structure of the cooker of the invention.
100. The cooking bench comprises a cooking bench body 200, a knob 300, a support 400 and a pressure sensor.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, if words such as "a plurality" are described, the meaning is one or more, the meaning of a plurality is two or more, more than, less than, more than, etc. are understood as excluding the present number, and more than, less than, etc. are understood as including the present number.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1, the present application discloses a range hood control method, which can automatically recognize the generation of oil smoke and automatically control the rotation speed of a motor in the range hood according to the current cooking process, wherein a first embodiment of the range hood control method comprises the following steps:
200, respectively setting the specific rotating speeds of a motor in the range hood during high-speed operation and low-speed operation;
step 500, detecting the pressure value of the stove in real time in a detection period;
step 600, judging the interval where the pressure value is located, and adjusting the rotating speed of the motor according to the difference of the intervals where the pressure value is located;
step 700, enter the next detection cycle, return to step 400.
Specifically, in this embodiment, the first trigger threshold, the second trigger threshold and the third trigger threshold are set, so that four detection intervals are set, then after the kitchen range is ensured to be in the enabled state, the pressure value received by the kitchen range is detected, and which interval the pressure value received by the kitchen range is specifically located in is judged, and finally, according to the difference between the intervals where the pressure values are located, the rotation speed of the motor is automatically adjusted, so that the operation is continuously performed.
In this embodiment, the first trigger threshold, the second trigger threshold, the third trigger threshold, the specific rotation speed of the motor in the range hood during high-speed operation and low-speed operation, and the detection period may be freely set and adjusted according to actual application conditions.
In step 600 of this embodiment, if it is determined that the pressure value is in the first interval, the following steps are performed:
step 610, judging whether the pressure value changes or not, if the pressure value does not change, proving that a cooker is in a ready-to-cook state, in this case, the cooker generally adds food oil into the pan, at the moment, the oil smoke output is less, controlling the motor to run at a low speed, and if the pressure value changes, continuing to run downwards;
step 620, judging whether the pressure value generates step change or generates a plurality of sudden rising points in a detection period, if so, proving that the cooker is in a stir-frying state at the moment, under the condition, the cooker generally stir-fries seasonings with lighter weight such as ginger, garlic, sauce and the like, and a large amount of oil smoke is easily generated at the moment, so that the motor needs to be controlled to operate at a high speed to discharge the oil smoke in time.
In step 600 of this embodiment, if it is determined that the pressure value is in the second interval, it indicates that a cook is in the process of adding the main food (meat, vegetables) into the pot, a large amount of oil smoke is also generated in the pot, and the motor needs to be controlled to operate at a high speed to discharge the oil smoke in time.
In step 600 of this embodiment, if it is determined that the pressure value is in the third interval, which indicates that the cooker is in the process of adding auxiliary materials (such as potatoes, soup, etc.) into the pot, the amount of oil smoke generated in the pot is small, and only the motor needs to be controlled to operate at a low speed.
In step 600 of this embodiment, if it is determined that the pressure value is in the fourth interval, it indicates that the cooker is performing stewing operation on the food material in the pot, and at this time, the amount of oil smoke generated in the pot is small, and only the motor needs to be controlled to operate at a low speed.
To sum up, the present embodiment needs to respectively carry out different controls on the operating speed of the motor in the range hood for the difference between the pressure value received by the cooker and the range, so as to realize the timely discharge of the oil smoke in the cooking process and effectively save the electric energy loss.
In this embodiment 500, before detecting the pressure value applied to the cooker, a reset operation is performed, that is, in this embodiment, detecting the pressure value applied to the cooker specifically refers to detecting the weight of food in the pot, and does not include the weight of the pot used in the cooking process, so as to prevent the range where the pressure value applied to the cooker is determined due to different influences of the weight of the pot.
Referring to fig. 2, the present application also discloses a range hood, the first embodiment of which includes a range hood body, the internally mounted of range hood body has a motor, the range hood further includes:
the pressure sensor is used for detecting the pressure borne by the stove;
the motion detection sensor is used for detecting the switch motion of the stove knob;
the device comprises a wireless sending module, a wireless receiving module, a processing module and a rotating speed adjusting module;
the range hood is characterized in that the wireless receiving module, the processing module and the rotating speed adjusting module are all installed on the range hood body, the pressure sensor and the action detection sensor are respectively and electrically connected with the wireless transmitting module, the wireless transmitting module is in communication connection with the wireless receiving module, the wireless receiving module and the rotating speed adjusting module are respectively and electrically connected with the processing module, and the rotating speed adjusting module is electrically connected with the motor.
Further as a preferred implementation manner, in this embodiment, the processing module and the wireless receiving module are integrated on a control module, the control module is in communication connection with the wireless transmitting module, and the control module is electrically connected with the rotation speed adjusting module. Specifically, in this embodiment, the wireless receiving module and the processing module may be two independent circuit modules, or may be integrated in one circuit module, for example, the control module may use a single chip of the type CC2530 as a core, and use the single chip of the type CC2530 to simultaneously implement a wireless communication function, a data processing function, and a flow control function. Of course, the present embodiment is not limited to the single chip microcomputer chips of the above mentioned types, and any intelligent chip capable of realizing the related functions can be used as the core chip of the control module of the present embodiment.
Referring to fig. 3, the present application also discloses a cooking range system, which includes a cooking range and the above range hood in a first embodiment;
the pressure sensor 400, the motion detection sensor and the wireless transmission module are all arranged on the cooker;
the kitchen range comprises a cooking bench 100, a knob 200 and a support 300, wherein the support 300 and the knob 200 are installed on the cooking bench 100, a pressure sensor 400 is arranged between the support 300 and the cooking bench 100, and a motion detection sensor is installed on the knob 200.
While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that the present invention is not limited to the details of the embodiments shown and described, but is capable of numerous equivalents and substitutions without departing from the spirit of the invention as set forth in the claims appended hereto.
Claims (9)
1. A control method of a range hood is characterized by comprising the following steps:
step 100, respectively setting a first trigger threshold, a second trigger threshold and a third trigger threshold, wherein the second trigger threshold is greater than the first trigger threshold, the third trigger threshold is greater than the second trigger threshold, an interval smaller than the first trigger threshold is defined as a first interval, an interval greater than the first trigger threshold and smaller than the second trigger threshold is defined as a second interval, an interval greater than the second trigger threshold and smaller than the third trigger threshold is defined as a third interval, and an interval greater than the third trigger threshold is defined as a fourth interval;
200, respectively setting the specific rotating speeds of a motor in the range hood during high-speed operation and low-speed operation;
step 300, setting a detection period;
step 400, detecting the on-off action of a knob of the stove, judging whether the stove is in an enabled state, if so, continuing to execute downwards, otherwise, not needing to perform any operation;
step 500, detecting the pressure value of the stove in real time in a detection period;
step 600, judging the interval where the pressure value is located, and adjusting the rotating speed of the motor according to the difference of the intervals where the pressure value is located;
step 700, enter the next detection cycle, return to step 400.
2. The control method of the range hood according to claim 1, wherein: in step 600, if it is determined that the pressure value is in the first interval, the following steps are performed:
step 610, judging whether the pressure value changes or not, if not, controlling the motor to run at a low speed, otherwise, continuing to run downwards;
and step 620, judging whether the pressure value generates step change or generates a plurality of times of sudden rising points in a detection period, and if so, controlling the motor to run at a high speed.
3. The control method of the range hood according to claim 1, wherein: in step 600, if the pressure value is determined to be in the second interval, controlling the motor to operate at a high speed.
4. The control method of the range hood according to claim 1, wherein: in step 600, if the pressure value is determined to be in the third interval, controlling the motor to operate at a low speed.
5. The control method of the range hood according to claim 1, wherein: in step 600, if the pressure value is determined to be in the fourth interval, controlling the motor to operate at a low speed.
6. The control method of a range hood according to any one of claims 1 to 5, wherein: in step 500, before the pressure value received by the cooker is detected, a resetting and clearing operation is performed.
7. The utility model provides a range hood, includes the range hood body, the internally mounted of range hood body has the motor, its characterized in that: further comprising:
the pressure sensor is used for detecting the pressure borne by the stove;
the motion detection sensor is used for detecting the switch motion of the stove knob;
the device comprises a wireless sending module, a wireless receiving module, a processing module and a rotating speed adjusting module;
the range hood is characterized in that the wireless receiving module, the processing module and the rotating speed adjusting module are all installed on the range hood body, the pressure sensor and the action detection sensor are respectively and electrically connected with the wireless transmitting module, the wireless transmitting module is in communication connection with the wireless receiving module, the wireless receiving module and the rotating speed adjusting module are respectively and electrically connected with the processing module, and the rotating speed adjusting module is electrically connected with the motor.
8. A range hood according to claim 7, wherein: the processing module and the wireless receiving module are integrated on a control module, the control module is in communication connection with the wireless sending module, and the control module is electrically connected with the rotating speed adjusting module.
9. A cooktop system, comprising: comprising a kitchen range and the range hood of claim 7 or 8;
the pressure sensor (400), the action detection sensor and the wireless sending module are all arranged on the cooker;
the kitchen range comprises a kitchen range top (100), a knob (200) and a support (300), wherein the support (300) and the knob (200) are installed on the kitchen range top (100), a pressure sensor (400) is arranged between the support (300) and the kitchen range top (100), and an action detection sensor is installed on the knob (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911226521.8A CN110986127B (en) | 2019-12-04 | 2019-12-04 | Range hood, cooking range system and control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911226521.8A CN110986127B (en) | 2019-12-04 | 2019-12-04 | Range hood, cooking range system and control method |
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| CN110986127A true CN110986127A (en) | 2020-04-10 |
| CN110986127B CN110986127B (en) | 2022-02-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112648658A (en) * | 2020-12-22 | 2021-04-13 | 宁波方太厨具有限公司 | Control method of cooking device and cooking device applying same |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008057262A2 (en) * | 2006-10-26 | 2008-05-15 | Krichtafovitch Igor A | Range hood with electrostatically assisted air flow and filtering |
| JP2008138900A (en) * | 2006-11-30 | 2008-06-19 | Matsushita Electric Ind Co Ltd | Air blower for range hood |
| CN206386981U (en) * | 2016-08-22 | 2017-08-08 | 广东麦理杰电器有限公司 | A kind of lampblack absorber controlled based on temperature and smoke detection |
| CN109452848A (en) * | 2018-12-24 | 2019-03-12 | 浙江气派智能科技有限公司 | A kind of intelligent machine for stir-frying dishes starting kitchen ventilator after detecting frying pan weight increase |
| CN110242983A (en) * | 2019-06-14 | 2019-09-17 | 杭州老板电器股份有限公司 | Gas-cooker and its control method |
| CN110469883A (en) * | 2019-07-29 | 2019-11-19 | 杭州九阳小家电有限公司 | A kind of the smoke machine method for controlling number of revolution and smoke machine of Multi-sensor Fusion |
-
2019
- 2019-12-04 CN CN201911226521.8A patent/CN110986127B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008057262A2 (en) * | 2006-10-26 | 2008-05-15 | Krichtafovitch Igor A | Range hood with electrostatically assisted air flow and filtering |
| JP2008138900A (en) * | 2006-11-30 | 2008-06-19 | Matsushita Electric Ind Co Ltd | Air blower for range hood |
| CN206386981U (en) * | 2016-08-22 | 2017-08-08 | 广东麦理杰电器有限公司 | A kind of lampblack absorber controlled based on temperature and smoke detection |
| CN109452848A (en) * | 2018-12-24 | 2019-03-12 | 浙江气派智能科技有限公司 | A kind of intelligent machine for stir-frying dishes starting kitchen ventilator after detecting frying pan weight increase |
| CN110242983A (en) * | 2019-06-14 | 2019-09-17 | 杭州老板电器股份有限公司 | Gas-cooker and its control method |
| CN110469883A (en) * | 2019-07-29 | 2019-11-19 | 杭州九阳小家电有限公司 | A kind of the smoke machine method for controlling number of revolution and smoke machine of Multi-sensor Fusion |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112648658A (en) * | 2020-12-22 | 2021-04-13 | 宁波方太厨具有限公司 | Control method of cooking device and cooking device applying same |
| CN112648658B (en) * | 2020-12-22 | 2022-04-15 | 宁波方太厨具有限公司 | Control method of cooking device and cooking device applying same |
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| CN110986127B (en) | 2022-02-08 |
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Effective date of registration: 20230414 Address after: 528399 Shunyuan South Road 9-2, Wusha Community, Daliang Street, Shunde District, Foshan City, Guangdong Province Patentee after: GUANGDONG WANJIALE KITCHEN TECHNOLOGY Co.,Ltd. Patentee after: MACRO THERMAL ENERGY TECHNOLOGY Co.,Ltd. Address before: 528399 Shunfeng Mountain Development Zone, Daliang street, Shunde District, Foshan City, Guangdong Province Patentee before: GUANGDONG WANJIALE KITCHEN TECHNOLOGY Co.,Ltd. |