CN110260386A - Range hood and control method thereof - Google Patents
Range hood and control method thereof Download PDFInfo
- Publication number
- CN110260386A CN110260386A CN201910682699.7A CN201910682699A CN110260386A CN 110260386 A CN110260386 A CN 110260386A CN 201910682699 A CN201910682699 A CN 201910682699A CN 110260386 A CN110260386 A CN 110260386A
- Authority
- CN
- China
- Prior art keywords
- headlamp
- main body
- user
- kitchen ventilator
- meters
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000002045 lasting effect Effects 0.000 claims description 15
- 238000012360 testing method Methods 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 5
- 239000000779 smoke Substances 0.000 claims description 5
- 238000005259 measurement Methods 0.000 abstract 1
- 241000209094 Oryza Species 0.000 description 4
- 235000007164 Oryza sativa Nutrition 0.000 description 4
- 235000009566 rice Nutrition 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
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
-
- 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
- F24C15/2064—Removing cooking fumes illumination for cooking hood
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
Abstract
The invention relates to the technical field of household appliances, in particular to a range hood and a control method thereof. According to the control method, the lighting lamp in the range hood is turned on and off through the distance between the user and the range hood main body and the time used for measuring and calculating the time at a certain distance from the range hood main body, compared with the mode that the distance is obtained through the infrared sensor to control the turning on and off of the lighting lamp in the prior art, the state measurement and calculation of the user are more accurate, the automatic turning on and off of the lighting lamp can better accord with the actual state of the user, the range hood is more humanized in use, and the user experience is better.
Description
Technical field
The present invention relates to fields of home appliance technology, and in particular to a kind of range hood and its control method.
Background technique
Currently, range hood on the market can generally be equipped with headlamp on kitchen ventilator, light switch is set on panel,
When carrying out culinary art work, user opens light switch and opens headlamp, and after culinary art, user closes light switch
Headlamp is closed.The above process needs the opening and closing operations that user is switched, and the convenience used is bad, and user leaves and forgets
In the case that note is turned off the light, headlamp can then work on power always, consume unnecessary electricity.
In this regard, prior art discloses a kind of kitchen ventilator control method, by kitchen ventilator start extract oil smoke it
Before, by around pyroelectric human body infrared sensor detection kitchen ventilator whether presence of people, and will test result and be sent to micro process
Device, microprocessor control the ON/OFF of headlamp, indicator light and display board according to the testing result；Start to be taken out in kitchen ventilator
After taking oil smoke, by pyroelectric human body infrared sensor detection kitchen ventilator around whether presence of people, and will test result transmission
To microprocessor, microprocessor controls the ON/OFF of headlamp according to the testing result.
Although above scheme can be realized opening and closing automatically for smoke-exhauster illuminating lamp, but there is control precision not
It is good, it may appear that the situation accidentally opened or closed influences user experience.User is in range hood in use, especially at night simultaneously
Evening carries out in use, the headlamp of range hood can have the case where being turned on or off suddenly, and user experience is bad.
Summary of the invention
The main purpose of the present invention is to provide a kind of range hood and its control methods, to solve oil suction in the prior art
Headlamp automatic control precision is bad in smoke machine, the bad problem of user experience.
To achieve the above object, the present invention provides a kind of range hood control methods, comprising:
In the standby mode of range hood, whether it is greater than critical open at a distance from kitchen ventilator main body by sensor senses user
L1 meters of distance are opened, and whether the duration is greater than T1 seconds；
If the distance between user and kitchen ventilator main body are greater than L1 meters or the distance between user and kitchen ventilator main body are small
In L1 meters and the duration is less than T1 second, and the voltage or electric current exported to headlamp is less than N1；
If the distance between user and kitchen ventilator main body are less than L1 meters and the duration is greater than T1 seconds, exported to headlamp
Voltage or electric current be greater than N2；
Wherein, it is less than N1 in the voltage or electric current of headlamp input, the headlamp can not be lighted in closing shape
State, the voltage or electric current of the headlamp input are greater than N2, and the headlamp can be lighted in the open state.
Further, comprising:
In the open state of the headlamp, whether it is less than L2 at a distance from kitchen ventilator main body by sensor senses user
Rice；
If the distance between user and kitchen ventilator main body are less than L2 meters, the voltage or electric current exported to headlamp is greater than or waits
In N3；
Wherein, it is less than L1 meters for described L2 meters, N3 is greater than N2, is more than or equal in the voltage or electric current of headlamp input
N3, the brightness of the headlamp is greater than the voltage of headlamp input or electric current is greater than N2 and is less than the brightness of N3.
Further, comprising:
In the open state of the headlamp, whether it is less than L1 meters at a distance from kitchen ventilator main body by sensor senses user
And whether in lasting reduction；
If user is less than L1 meters at a distance from kitchen ventilator main body and in lasting reduction, the voltage or electricity exported to headlamp
Stream is greater than N2 and is increasing；
If user is less than L3 meters at a distance from kitchen ventilator main body and in lasting reduction, the voltage or electricity exported to headlamp
Stream keeps N4 constant；
Wherein, it is less than L1 meters for L3 meters, N4 is greater than N2.
Further, comprising:
In the open state of the headlamp, it is whether to be greater than L3 at a distance from kitchen ventilator main body by sensor senses user
Rice and in lasting increase；
If user is greater than L3 meters at a distance from kitchen ventilator main body and in lasting increase, the voltage that is exported to headlamp or
Electric current is less than N4 and is constantly reducing；
If user is greater than L3 meters at a distance from kitchen ventilator main body and increases to L1 meters and whether the duration is greater than T1 seconds,
The voltage or electric current exported to headlamp is less than N1.
The present invention also provides a kind of range hoods, including kitchen ventilator main body, further include controller, and with the controller
The sensor and headlamp of electrical connection, the sensor is for detecting the distance between user and the kitchen ventilator main body and user
With the kitchen ventilator main body under certain distance duration, and will test result and be sent to the controller, the control
Device controls the switch of the headlamp according to the testing result.
Further, the controller and/or the sensor are mounted in the kitchen ventilator main body.
Further, the sensor and the kitchen ventilator main body split settings.
Further, the sensor is ultrasonic sensor, microwave radar sensor or video sensor.
Technical solution of the present invention has the advantages that
1. in range hood provided by the invention and its control method, the opening and closing of headlamp pass through in range hood
The distance between user and kitchen ventilator main body, and for being surveyed with the time before kitchen ventilator main body under certain distance
Calculate, compared with the existing technology infrared sensor obtain distance come control headlamp open and close by way of, to
The state measuring and calculating at family is more accurate, and headlamp opens and closes automatically the virtual condition for being more in line with user, range hood
Use it is more humanized, user experience is more preferably.
2. in range hood provided by the invention and its control method, in the open state of smoke-exhauster illuminating lamp, fume-exhausting
Machine can distance according to user from kitchen ventilator main body obtain two different lighting brightness, user in range hood in use,
Especially carry out at night in use, the headlamp of range hood can be by secretly to bright opening, there is no fully open suddenly
Or the situation closed, soft degree is more preferable, and more humanized, user experience is more preferably.
3. in range hood provided by the invention and its control method, in the open state of smoke-exhauster illuminating lamp, fume-exhausting
Machine can distance according to user from kitchen ventilator main body obtain continually changing lighting brightness, user in range hood in use,
Especially night carry out in use, range hood headlamp can by secretly arrive bright gradual variation, until in one properly
Brightness no longer change, there is no the situation for fully opening or closing suddenly, soft degree is more preferable, more humanized, uses
It experiences more preferably at family.
4. in range hood provided by the invention and its control method, in the open state of smoke-exhauster illuminating lamp, fume-exhausting
Machine can distance according to user from kitchen ventilator main body obtain continually changing lighting brightness, user does not use range hood
When, especially when leaving range hood at night, the headlamp of range hood can gradually change from bright to dark, until close,
There is no the situation for fully opening or closing suddenly, soft degree is more preferable, and more humanized, user experience is more preferably.
5. in range hood provided by the invention and its control method, sensor and kitchen ventilator main body split settings, in turn
The sensor of split settings is more accurate to the measuring and calculating of the spacing between user and kitchen ventilator main body, and the reliability of measuring and calculating is more
Good, kitchen ventilator lamp opens and closes automatically the virtual condition for being more in line with user.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.In the accompanying drawings:
Fig. 1 is the schematic view of the front view of range hood in the embodiment of the present invention.
Fig. 2 is the control structure schematic diagram of fume-exhausting shown in Fig. 1.
Wherein, the appended drawing reference in above-mentioned attached drawing are as follows:
10, kitchen ventilator main body；20, headlamp；30, sensor；40, controller.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
According to embodiments of the present invention in range hood control method include:
In the standby mode of range hood, faced by whether the detection user of sensor 30 is greater than at a distance from kitchen ventilator main body 10
Boundary opens distance L1 meters, and whether the duration is greater than T1 seconds；
If the distance between user and kitchen ventilator main body 10 be greater than between L1 meters or user and kitchen ventilator main body 10 away from
Be less than T1 second from L1 meter and duration is less than, to the output of headlamp 20 voltage or electric current less than N1；
If the distance between user and kitchen ventilator main body 10 are less than L1 meters and the duration is greater than T1 seconds, headlamp 20 is given
The voltage or electric current of output are greater than N2；
Wherein, it is less than N1 in the voltage or electric current of the input of headlamp 20, headlamp 20 can not be lighted and is in close state, and be shone
The voltage or electric current that bright lamp 20 inputs are greater than N2, and headlamp 20 can be lighted in the open state.
The range hood control method in this implementation is used in turn, and the opening and closing of headlamp 20 pass through in range hood
The distance between user and kitchen ventilator main body 10, and for being carried out with the time before kitchen ventilator main body 10 under certain distance
Measuring and calculating, compared with the existing technology infrared sensor 30 obtain distance come control headlamp 20 open and close by way of,
It is more accurate to the state measuring and calculating of user, and headlamp 20 opens and closes automatically the virtual condition for being more in line with user,
The use of range hood is more humanized, and user experience is more preferably.
Preferably, the range hood control method in the present embodiment, further includes:
In the open state of headlamp 20, detect whether user is less than L2 at a distance from kitchen ventilator main body 10 by sensor 30
Rice；
If the distance between user and kitchen ventilator main body 10 are less than L2 meters, the voltage or electric current exported to headlamp 20 is greater than
Or it is equal to N3；
Wherein, it is less than L1 meters for L2 meters, N3 is greater than N2, is more than or equal to N3, illumination in the voltage or electric current of the input of headlamp 20
The brightness of lamp 20 is greater than the voltage that headlamp 20 inputs or electric current is greater than N2 and is less than the brightness of N3.
And then using the range hood control method in this implementation, in the open state of smoke-exhauster illuminating lamp 20, fume-exhausting
Machine can distance according to user from kitchen ventilator main body 10 obtain two different 20 brightness of headlamp, user uses in range hood
When, it is especially carried out at night in use, the headlamp 20 of range hood can be by secretly to bright opening, there is no complete suddenly
The situation turned on or off, soft degree is more preferable, and more humanized, user experience is more preferably.
Preferably, in a variant embodiment of the present embodiment, range hood control method includes:
In the open state of headlamp 20, detect whether user is less than L1 at a distance from kitchen ventilator main body 10 by sensor 30
Rice and whether in lasting reduction；
If user is less than L1 meters at a distance from kitchen ventilator main body 10 and in lasting reduction, the voltage exported to headlamp 20
Or electric current is greater than N2 and is increasing；
If user is less than L3 meters at a distance from kitchen ventilator main body 10 and in lasting reduction, the voltage exported to headlamp 20
Or electric current keeps N4 constant；
Wherein, it is less than L1 meters for L3 meters, N4 is greater than N2.
And then above-mentioned range hood control method, in the open state of smoke-exhauster illuminating lamp 20, range hood can according to
Distance of the family from kitchen ventilator main body 10 obtains continually changing 20 brightness of headlamp, and user is in range hood in use, especially
Night carry out in use, range hood headlamp 20 can by secretly arrive bright gradual variation, until in one suitably it is bright
Degree no longer changes, and there is no the situation for fully opening or closing suddenly, soft degree is more preferable, more humanized, user's body
It tests more preferably.
Preferably, in a variant embodiment of the present embodiment, range hood control method includes:
In the open state of headlamp 20, user is detected by sensor 30 and is whether to be greater than at a distance from kitchen ventilator main body 10
L3 meters and in lasting increase；
If user is greater than L3 meters at a distance from kitchen ventilator main body 10 and in lasting increase, the electricity exported to headlamp 20
Pressure or electric current are less than N4 and are constantly reducing；
If user is greater than L3 meters at a distance from kitchen ventilator main body 10 and increases to L1 meters and whether the duration is greater than T1
Second, the voltage or electric current exported to headlamp 20 is less than N1.
And then above-mentioned range hood control method, in the open state of smoke-exhauster illuminating lamp 20, range hood can according to
Distance of the family from kitchen ventilator main body 10 obtains continually changing 20 brightness of headlamp, when user does not use range hood, especially
It is when leaving range hood at night, the headlamp 20 of range hood gradual from bright to dark can change, until closing, Bu Huicun
In the situation for fully opening or closing suddenly, soft degree is more preferable, and more humanized, user experience is more preferably.
Wherein, in above-described embodiment, 1.5 meters < L1 < 5 meter, 0 < L3 < 1 meter；0 second < T1 < 5 second, 0.5 second < T2 < 5 second；0 ampere
≤ N1 < 1 ampere, 0.05 ampere < N2 < 2 ampere.
With further reference to Fig. 1 and Fig. 2, range hood in the present embodiment, including kitchen ventilator main body 10, it further include controller
40, and the sensor 30 and headlamp 20 that are electrically connected with controller 40, sensor 30 is for detecting user and kitchen ventilator main body
The distance between 10 and user and the duration under certain distance of kitchen ventilator main body 10, and will test result and be sent to control
Device 40, controller 40 controls the switch of headlamp 20 according to testing result, and then range hood calculates more the state of user
It is accurate, headlamp 20 opens and closes automatically the virtual condition for being more in line with user, the use more people of range hood
Property, user experience is more preferably.
In the present embodiment, controller 40 and sensor 30 are mounted in kitchen ventilator main body 10, may make entire range hood
It is more compact.
In a variant embodiment in the present embodiment, sensor 30 and 10 split settings of kitchen ventilator main body, Jin Erfen
The sensor 30 of body setting is more accurate to the measuring and calculating of the spacing between user and kitchen ventilator main body 10, and the reliability of measuring and calculating is more
Good, kitchen ventilator lamp 20 opens and closes automatically the virtual condition for being more in line with user.Specific sensor 30 and oil smoke
Spacing between owner's body 10 by split settings between sensor 30 and kitchen ventilator main body 10 and is reserved between 1 meter to 5 meters
Between 1 meter to 5 meters, so can accurately the distance to user from kitchen ventilator main body 10 and time measure, range hood
Reliability is more preferably.The quantity of sensor 30 is preferably several, can be arranged on the wall on range hood periphery, and then multiple biographies
Sensor is arranged around kitchen ventilator main body 10, further improves distance and time to user from kitchen ventilator main body 10 and measures
Precise degrees, further improve the reliability of range hood.
Preferably, sensor 30 is ultrasonic sensor, microwave radar sensor or video sensor.And then sensor exists
More accurate to the state measuring and calculating of user in detection process, headlamp opens and closes automatically the reality for being more in line with user
The use of border state, range hood is more humanized, and user experience is more preferably.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (8)
1. a kind of range hood control method characterized by comprising
In the standby mode of range hood, faced by whether sensor (30) detection user is greater than at a distance from kitchen ventilator main body (10)
Boundary opens distance L1 meters, and whether the duration is greater than T1 seconds；
If the distance between user and kitchen ventilator main body (10) be greater than between L1 meters or user and kitchen ventilator main body (10) away from
Be less than T1 second from L1 meter and duration is less than, to headlamp (20) output voltage or electric current less than N1；
If the distance between user and kitchen ventilator main body (10) are less than L1 meters and the duration is greater than T1 seconds, give headlamp (20)
The voltage or electric current of output are greater than N2；
Wherein, it is less than N1 in the voltage or electric current of the headlamp (20) input, the headlamp (20) can not light in pass
Closed state, the voltage or electric current of headlamp (20) input are greater than N2, and the headlamp (20) can light in opening state
State.
2. range hood control method according to claim 1 characterized by comprising
Open state in the headlamp (20), by sensor (30) detection user at a distance from kitchen ventilator main body (10) whether
Less than L2 meters；
If the distance between user and kitchen ventilator main body (10) are less than L2 meters, the voltage or electric current exported to headlamp (20) is greater than
Or it is equal to N3；
Wherein, it is less than L1 meters for described L2 meters, N3 is greater than N2, is more than or equal in the voltage or electric current of the headlamp (20) input
N3, the brightness of the headlamp (20) is greater than the voltage of the headlamp (20) input or electric current is greater than N2 and is less than the bright of N3
Degree.
3. range hood control method according to claim 1 characterized by comprising
Open state in the headlamp (20), by sensor (30) detection user at a distance from kitchen ventilator main body (10) whether
Less than L1 meters and whether in lasting reduction；
If user is less than L1 meters at a distance from kitchen ventilator main body (10) and in lasting reduction, the voltage exported to headlamp (20)
Or electric current is greater than N2 and is increasing；
If user is less than L3 meters at a distance from kitchen ventilator main body (10) and in lasting reduction, the voltage exported to headlamp (20)
Or electric current keeps N4 constant；
Wherein, it is less than L1 meters for L3 meters, N4 is greater than N2.
4. range hood control method according to claim 3 characterized by comprising
Open state in the headlamp (20), detect user by sensor (30) is at a distance from kitchen ventilator main body (10)
It is no to be greater than L3 meters and in lasting increase；
If user is greater than L3 meters at a distance from kitchen ventilator main body (10) and in lasting increase, the electricity exported to headlamp (20)
Pressure or electric current are less than N4 and are constantly reducing；
If user is greater than L3 meters at a distance from kitchen ventilator main body (10) and increases to L1 meters and whether the duration is greater than T1 seconds,
The voltage or electric current exported to headlamp (20) is less than N1.
5. a kind of range hood, including kitchen ventilator main body (10), which is characterized in that further include controller (40), and with it is described
The sensor (30) and headlamp (20) of controller (40) electrical connection, the sensor (30) is for detecting user and the oil smoke
The distance between owner's body (10) and user and kitchen ventilator main body (10) duration under certain distance, and will test
As a result it is sent to the controller (40), the controller (40) controls opening for headlamp (20) according to the testing result
It closes.
6. range hood according to claim 5, which is characterized in that the controller (40) and/or the sensor
(30) it is mounted on the kitchen ventilator main body (10).
7. range hood according to claim 5, which is characterized in that the sensor (30) and the kitchen ventilator main body
(10) split settings.
8. range hood according to claim 5, which is characterized in that the sensor (30) is ultrasonic sensor, micro-
Wave radar sensor or video sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910682699.7A CN110260386A (en) | 2019-07-26 | 2019-07-26 | Range hood and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910682699.7A CN110260386A (en) | 2019-07-26 | 2019-07-26 | Range hood and control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110260386A true CN110260386A (en) | 2019-09-20 |
Family
ID=67912009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910682699.7A Withdrawn CN110260386A (en) | 2019-07-26 | 2019-07-26 | Range hood and control method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN110260386A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113623698A (en) * | 2021-08-13 | 2021-11-09 | 田吉传 | Control method and device of range hood, electronic equipment and readable storage medium |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107965824A (en) * | 2017-05-12 | 2018-04-27 | 宁波方太厨具有限公司 | A kind of intelligent range hood and its operation control method |
| CN108260260A (en) * | 2016-12-28 | 2018-07-06 | 博西华电器（江苏）有限公司 | For the lighting system control method, device and kitchen ventilator of kitchen ventilator |
| CN210292025U (en) * | 2019-07-26 | 2020-04-10 | 珠海格力电器股份有限公司 | Smoke exhaust ventilator |
-
2019
- 2019-07-26 CN CN201910682699.7A patent/CN110260386A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108260260A (en) * | 2016-12-28 | 2018-07-06 | 博西华电器（江苏）有限公司 | For the lighting system control method, device and kitchen ventilator of kitchen ventilator |
| CN107965824A (en) * | 2017-05-12 | 2018-04-27 | 宁波方太厨具有限公司 | A kind of intelligent range hood and its operation control method |
| CN210292025U (en) * | 2019-07-26 | 2020-04-10 | 珠海格力电器股份有限公司 | Smoke exhaust ventilator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113623698A (en) * | 2021-08-13 | 2021-11-09 | 田吉传 | Control method and device of range hood, electronic equipment and readable storage medium |
| CN113623698B (en) * | 2021-08-13 | 2024-05-14 | 田吉传 | Control method and device of range hood, electronic equipment and readable storage medium |
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Application publication date: 20190920 |
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