CN110107937A - A kind of exhaust smoke system for kitchen and its cooking-fume exhauster blower method for controlling number of revolution - Google Patents
A kind of exhaust smoke system for kitchen and its cooking-fume exhauster blower method for controlling number of revolution Download PDFInfo
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- CN110107937A CN110107937A CN201910337610.3A CN201910337610A CN110107937A CN 110107937 A CN110107937 A CN 110107937A CN 201910337610 A CN201910337610 A CN 201910337610A CN 110107937 A CN110107937 A CN 110107937A
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- oil smoke
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2021—Arrangement or mounting of control or safety systems
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- Engineering & Computer Science (AREA)
- Ventilation (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
A kind of exhaust smoke system for kitchen, including the range hood being mounted in kitchen, range hood includes blower, it further include window openers and door sensor, window openers are mounted on the window of kitchen and are used to adjust window opening degree, door sensor is mounted on backstairs, sound detection module and oil smoke sensor are also equipped in kitchen, range hood has controller, controller can read the location information of window openers and the output signal of door sensor, sound detection module and oil smoke sensor, and accordingly control rotation speed of fan according to the above-mentioned data of reading.The present invention has the advantages that the exhaust smoke system for kitchen obtains interior to smoke absorption effect disturbing factor by door sensor and window openers, and by combining sound detection module and built-in sound database to carry out acoustic matching of uttering long and high-pitched sounds, oil smoke concentration information is obtained in conjunction with oil smoke sensor, blower gear and air quantity can accordingly be adjusted, to which preferably prepositionization prejudges the disturbed condition being likely to occur, adaptive adjustment is realized.
Description
Technical field
The present invention relates to a kind of exhaust smoke system for kitchen, more particularly, to a kind of exhaust smoke system for kitchen and its cooking-fume exhauster blower
Method for controlling number of revolution.
Background technique
Range hood is the daily electric appliance for cooking fume-exhausting indispensability of people, and the motor of traditional range hood is using fixed gear
Or revolving speed, the anti-interference adaptive ability of natural wind convection current is poor when opening simultaneously to flue resistance and door and window.Existing tradition
Fumes escaping interference detection method mainly has non smoke appearance or quantized values with oil smoke sensor or camera detection
Variation judge oil smoke size and whether there is or not escape, these detection methods are all to be further added by revolving speed or mesh after equal oil smoke diffuse out
The absorption that air quantity carries out postposition reaction type is marked, although intelligent control can be carried out according to oil smoke size and wait biography on the whole
When sensor detects oil smoke, some oil smoke has been escaped, then is adsorbed and also only reduced subsequent fumes escaping amount.
Such as the Chinese invention patent Shen of Patent No. 201310273983.1 (application publication number is 103353136 A of CN)
" a kind of range hood and its control system and control method with air quantity regulatory function " that please be disclosed, the range hood
Control system includes power module, motor drive module, system control module, and system control module includes main control chip, from control
Chip, sensor group, main control chip are connect with sensor group, motor drive module by intelligent power module, motor drive ic,
Sampling and protection circuit composition, sensor group detection range hood operating status are simultaneously input to main control chip, and main control chip is to suction
It determines that airflow value is sent to motor drive module after the judgement of kitchen ventilator operating status, so that direct current generator be driven to work, passes through
Air inlet oil smoke and vapor sensor detect the oil smoke and moisture concentration of air inlet, are deviateed according to oil smoke concentration or vapour concentration
The bias of initial setting range calculates the compensation rate of air quantity and adjusts current airflow value.Above-mentioned automatic air quantity adjusts control dress
It sets and control method, there is certain hysteresis quality, because perceiving oil smoke or the initial setting range of vapour concentration deviation from sensor group
Bias calculate the compensation rate of air quantity and determine current desired airflow value, and the revolving speed of blower motor is made to reach required air quantity
The value of gear needs the regular hour, and such as in quick-fried, the blower motor of range hood is not yet rotated or is still in small when beginning
The revolving speed of shelves air quantity, perceives this larger concentration oil smoke information in oil smoke sensor and is transferred to control device, make in control device
Before the revolving speed of blower motor reaches the value of larger air quantity gear needed for being enough to be discharged current oil smoke, existing part oil smoke is to extending out
It dissipates, pollutes kitchen environment.
Summary of the invention
First technical problem to be solved by this invention is for the above-mentioned prior art, and providing one kind can pass according to door
The output signal of sensor, window openers and sound detection module accordingly controls the exhaust smoke system for kitchen of rotation speed of fan.
Second technical problem to be solved by this invention be for the above-mentioned prior art, provide one kind can prepositionization in advance
The cooking-fume exhauster blower method for controlling number of revolution sentenced the interference being likely to occur and carry out adaptivity adjustment.
The present invention solves technical solution used by above-mentioned first technical problem are as follows: the exhaust smoke system for kitchen, including peace
Range hood in kitchen, range hood include blower, it is characterised in that: and it further include window openers and door sensor,
The window openers are mounted on the opening degree on the window of kitchen and being used to adjust window, and the door sensor is mounted on backstairs
On, sound detection module and oil smoke sensor are also equipped in kitchen, the range hood has controller, the controller
The location information of the window openers and the output signal of door sensor, sound detection module and oil smoke sensor can be read, and
The revolving speed of the blower can be accordingly controlled according to the above-mentioned data of reading.
Sound detection module may be mounted at the multiple positions in kitchen, it is preferable that the sound detection module is mounted on oil suction
On the exhaust fume collecting hood of smoke machine.
Oil smoke sensor may be mounted at the multiple positions in kitchen, it is preferable that the oil smoke sensor is mounted on range hood
Exhaust fume collecting hood on.
Preferably, the window openers include motor and the telescopic rod that is driven by motor, and the telescopic rod is horizontally disposed, and
The head of telescopic rod is fixed on the side of window frame.
Further preferably, the sound detection module includes first capacitor formula microphone sensor and the second condenser type Mike
Wind sensor, the first capacitor formula microphone sensor is for recording background noise, the second Electret Condencer Microphone sensing
Device is for mask data and matches voice and howling.
The present invention solves technical solution used by above-mentioned second technical problem are as follows: the fume-exhausting of the exhaust smoke system for kitchen
Machine rotation speed of fan control method, it is characterised in that include the following steps:
1., user press corresponding key, range hood wakes up or starting；
2., cooking-fume exhauster blower with default gear operation；
3., controller read window openers location information, the current folding information of door sensor, sound detection module and
The output valve of oil smoke sensor；
4., using door sensor folding situation make condition judgement；If detecting, door and window are turned off, and judge that kitchen has
A possibility that negative pressure vacuumizes appearance；
5., window openers driving window open distance d1, blower keep current gear operation；
If 6., detect that door and window are one of and open, then it is assumed that air-flow supplement in kitchen is smooth；
7., read built-in sound database, judge whether match howling, if being otherwise transferred to step
If 8., matched howling, first judge whether window is opened to maximum, if then reducing gear or target wind
Amount operation；
If 9., window do not open to the maximum, control window openers open distance d2；
If 10., detect that door and window are opened, judge will to occur door and window convection current interference oil smoke and formed to run cigarette, be turned up 1
Grade target air volume or gear operation；
Timer t2 timing is recycled, the relationship of t2 Yu condition threshold m range are judged, if t2≤m, then it is assumed that user
Perhaps windowing keeps current air volume or gear operation for interim disengaging of opening the door, and is transferred to step
If door and window closing is also not detected in t2 > m, controls window openers and window is pushed to close, then t2 is reset, and is turned
Enter step
The output valve y1 of oil smoke sensor is compared with threshold value ya, yb, if y1≤ya, blower keeps current air volume shelves
Position continues to run；
If ya < y1 < yb, 1 grade of target air volume or gear operation is turned up；
If yb≤y1,2 grades of target air volumes or gear operation are improved；
Repeat step 3.-It carries out anti-interference detection and judges and adjust air quantity adaptation present case, until user is closed
Machine.
The present invention solves technical solution used by above-mentioned second technical problem are as follows: the fume-exhausting of the exhaust smoke system for kitchen
Machine rotation speed of fan control method, it is characterised in that include the following steps:
1., user press corresponding key, range hood wakes up or starting；
2., cooking-fume exhauster blower with default gear operation；
3., controller read window openers location information, the current folding information of door sensor, sound detection module and
The output valve of oil smoke sensor；
4., using door sensor folding situation make condition judgement；If detecting, door and window are turned off, and judge that kitchen has
A possibility that negative pressure vacuumizes appearance；
5., window openers driving window open distance d1, blower keep current gear operation；
If 6., detect that door and window are one of and open, then it is assumed that air-flow supplement in kitchen is smooth；
7., read built-in sound database, judge whether match howling, if being otherwise transferred to step
If 8., matched howling, first judge whether window is opened to maximum, if then reducing gear or target wind
Amount operation；
If 9., window do not open to the maximum, then control window openers open distance d2；
If 10., detect that door and window are opened, judge will to occur door and window convection current interference oil smoke and formed to run cigarette, be turned up 1
Grade target air volume or gear operation；
Timer t2 timing is recycled, the relationship of t2 Yu condition threshold m range are judged, if t2≤m, then it is assumed that user
Perhaps windowing keeps current air volume or gear operation for interim disengaging of opening the door, and is transferred to step
If door and window closing is also not detected in t2 > m, controls window openers and window is pushed to close, then t2 is reset, and is turned
Enter step
The output valve y1 of oil smoke sensor is compared with threshold value ya, yb, if y1≤ya, then it is assumed that does not run cigarette currently；
Built-in sound database is read, talk sound is judged whether there is, if otherwise continuing the present situation operation, is transferred to down
Wheel judgement；
If there is talk sound, 1 grade of gear or target air volume are reduced, is talked convenient for user, lower whorl judgement is transferred to；
If ya < y1 < yb, 1 grade of target air volume or gear operation is turned up；
If yb≤y1,2 grades of target air volumes or gear operation are improved；
Repeat step 3.-It carries out anti-interference detection and judges and adjust air quantity adaptation present case, until user is closed
Machine.
Compared with the prior art, the advantages of the present invention are as follows: the exhaust smoke system for kitchen can be according to the output of door sensor
Signal carrys out the revolving speed of corresponding blower, and obtains interior to smoke absorption effect disturbing factor by door sensor and window openers, and
By combining sound detection module and built-in sound database to carry out acoustic matching of uttering long and high-pitched sounds, oil smoke concentration is obtained in conjunction with oil smoke sensor
Information can accordingly be adjusted blower gear and air quantity, relative to the passive rear-mounted detection feedback side such as oil smoke sensor
Case preferably prepositionization can prejudge the disturbed condition being likely to occur, adaptive to adjust, to greatly promote user experience.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention one；
Fig. 2 is the structural schematic diagram of another angle of the embodiment of the present invention one；
Fig. 3 is the structural schematic diagram of the range hood of the embodiment of the present invention one；
Fig. 4 is the structure sectional view of the range hood of the embodiment of the present invention one；
Fig. 5 is the control logic figure of the rotation speed of fan control method of the embodiment of the present invention one；
Fig. 6 is the control logic figure of the rotation speed of fan control method of the embodiment of the present invention two.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
Embodiment one:
As shown in Figure 1 to Figure 3, the exhaust smoke system for kitchen of the present embodiment includes the range hood 1 being mounted in kitchen, oil suction
Smoke machine 1 includes blower 11, is equipped with window openers 4 on the window 2 in kitchen, and door sensor 5 is installed on the door 3 in kitchen.
Window openers 4 are used to adjust the opening degree of window, and window openers 4 include motor 41 and the telescopic rod 42 being driven by motor, stretch
Contracting bar 42 is horizontally disposed, and the head of telescopic rod 42 is fixed on the side of window frame.Door sensor 5 is connect by electromagnetism or soft-touch type
Touching generates switch state signal, and window openers 4 and door sensor 5 belong to existing conventional techniques, and concrete operating principle is no longer detailed
Thin expansion description.Sound detection module 6 and oil smoke sensor 7, sound detection mould are installed on the exhaust fume collecting hood 12 of range hood 1
Block 6 is used to detect the work noise size near exhaust fume collecting hood, and the oil smoke concentration that oil smoke sensor 7 is used to detect near exhaust fume collecting hood is big
It is small.
The sound detection module 6 of the present embodiment includes that first capacitor formula microphone sensor and the second Electret Condencer Microphone pass
Sensor, first capacitor formula microphone sensor is for recording background noise, and the second Electret Condencer Microphone sensor is for dividing
From data and match voice and howling.
Be equipped on range hood 1 controller (in figure for show), controller can read window openers 4 location information,
The output signal of door sensor 5, sound detection module 6 and oil smoke sensor 7, and above-mentioned data can accordingly control based on the received
The revolving speed of blower 11, and then realize that air quantity is adjusted.Pass through Zigbee or wifi or radio frequency between door sensor 5 and controller
Mode is communicated.
As shown in figure 4, the outlet of the smoke exhaust pipe 8 of range hood 1 is equipped with fire resisting damper 9, blower 11 sucks oil smoke, and successively
It is discharged by smoke exhaust pipe 8 and fire resisting damper 9, this is the conventional structure of existing range hood smoke evacuation system, not reinflated herein
Description.
As shown in figure 5, the cooking-fume exhauster blower method for controlling number of revolution of the exhaust smoke system for kitchen of the present embodiment, it is characterised in that
Include the following steps:
1., user press corresponding key, range hood wakes up or starting；
2., cooking-fume exhauster blower with default gear operation；
3., controller read window openers location information, the current folding information of door sensor, sound detection module and
The output valve of oil smoke sensor；
4., using door sensor folding situation make condition judgement；If detecting, door and window are turned off, and judge that kitchen has
A possibility that negative pressure vacuumizes appearance；
5., window openers driving window open distance d1, blower keep current gear operation；
If 6., detect that door and window are one of and open, then it is assumed that air-flow supplement in kitchen is smooth；
7., read built-in sound database, judge whether match howling, if being otherwise transferred to step
If 8., matched howling, first judge whether window is opened to maximum, if then reducing gear or target wind
Amount operation；
If 9., window do not open to the maximum, control window openers open distance d2；
If 10., detect that door and window are opened, judge will to occur door and window convection current interference oil smoke and formed to run cigarette, be turned up 1
Grade target air volume or gear operation；
Timer t2 timing is recycled, the relationship of t2 Yu condition threshold m range are judged, if t2≤m, then it is assumed that user
Perhaps windowing keeps current air volume or gear operation for interim disengaging of opening the door, and is transferred to step
If door and window closing is also not detected in t2 > m, controls window openers and window is pushed to close, then t2 is reset, and is turned
Enter step
The output valve y1 of oil smoke sensor is compared with threshold value ya, yb, if y1≤ya, blower keeps current air volume shelves
Position continues to run；
If ya < y1 < yb, 1 grade of target air volume or gear operation is turned up；
If yb≤y1,2 grades of target air volumes or gear operation are improved；
Repeat step 3.-It carries out anti-interference detection and judges and adjust air quantity adaptation present case, until user is closed
Machine.
The rotation speed of fan control method of the present embodiment obtains interior to smoke absorption effect by door sensor and window openers
Bigger factor is interfered, when there is door and window to open simultaneously, convection current will occur in expression, target air volume or revolving speed are improved at once,
Siphon away issuable race cigarette in advance, when door and window simultaneously closes off, suction negative pressure will occur in expression, reduce at once target air volume or
Person's revolving speed, negative pressure may potentially be inhaled in advance by siphoning away.And by combining sound detection module to make a whistling sound with built-in sound database
Cry matching obtains oil smoke concentration information in conjunction with oil smoke sensor, can accordingly be adjusted to blower gear and air quantity, relatively
In the passive rear-mounted detection feedback scheme such as oil smoke sensor, preferably prepositionization the disturbed condition being likely to occur can be prejudged,
Adaptive adjustment, to greatly promote user experience.
Embodiment two:
As shown in fig. 6, the cooking-fume exhauster blower method for controlling number of revolution of the exhaust smoke system for kitchen of the present embodiment, it is characterised in that
Include the following steps:
1., user press corresponding key, range hood wakes up or starting；
2., cooking-fume exhauster blower with default gear operation；
3., controller read window openers location information, the current folding information of door sensor, sound detection module and
The output valve of oil smoke sensor；
4., using door sensor folding situation make condition judgement；If detecting, door and window are turned off, and judge that kitchen has
A possibility that negative pressure vacuumizes appearance；
5., window openers driving window open distance d1, blower keep current gear operation；
If 6., detect that door and window are one of and open, then it is assumed that air-flow supplement in kitchen is smooth；
7., read built-in sound database, judge whether match howling, if being otherwise transferred to step
If 8., matched howling, first judge whether window is opened to maximum, if then reducing gear or target wind
Amount operation；
If 9., window do not open to the maximum, then control window openers open distance d2；
If 10., detect that door and window are opened, judge will to occur door and window convection current interference oil smoke and formed to run cigarette, be turned up 1
Grade target air volume or gear operation；
Timer t2 timing is recycled, the relationship of t2 Yu condition threshold m range are judged, if t2≤m, then it is assumed that user
Perhaps windowing keeps current air volume or gear operation for interim disengaging of opening the door, and is transferred to step
If door and window closing is also not detected in t2 > m, controls window openers and window is pushed to close, then t2 is reset, and is turned
Enter step
The output valve y1 of oil smoke sensor is compared with threshold value ya, yb, if y1≤ya, then it is assumed that does not run cigarette currently；
Built-in sound database is read, talk sound is judged whether there is, if otherwise continuing the present situation operation, is transferred to down
Wheel judgement；
If there is talk sound, 1 grade of gear or target air volume are reduced, is talked convenient for user, lower whorl judgement is transferred to；
If ya < y1 < yb, 1 grade of target air volume or gear operation is turned up；
If yb≤y1,2 grades of target air volumes or gear operation are improved；
Repeat step 3.-It carries out anti-interference detection and judges and adjust air quantity adaptation present case, until user is closed
Machine.
Remaining structure of the present embodiment is the same as example 1, herein not reinflated description.
Claims (7)
1. a kind of exhaust smoke system for kitchen, including the range hood (1) being mounted in kitchen, range hood (1) includes blower
(11), it is characterised in that: further include window openers (4) and door sensor (5), the window openers (4) are mounted on kitchen window
(2) on and for adjusting the opening degree of window, the door sensor (5) is mounted on backstairs (3), also installs in kitchen
There are sound detection module (6) and oil smoke sensor (7), the range hood (1) has controller, and the controller can read institute
State the location information of window openers (4) and the output letter of door sensor (5), sound detection module (6) and oil smoke sensor (7)
Number, and the revolving speed of the blower (11) can be accordingly controlled according to the above-mentioned data of reading.
2. exhaust smoke system for kitchen according to claim 1, it is characterised in that: the sound detection module (6) is mounted on suction
On the exhaust fume collecting hood (12) of kitchen ventilator (1).
3. exhaust smoke system for kitchen according to claim 1, it is characterised in that: the oil smoke sensor (7) is mounted on oil suction
On the exhaust fume collecting hood (12) of smoke machine (1).
4. exhaust smoke system for kitchen according to claim 1, it is characterised in that: the window openers (4) include motor (41)
With the telescopic rod (42) being driven by motor, the telescopic rod (42) is horizontally disposed, and the head of telescopic rod (42) is fixed on window frame
Side.
5. exhaust smoke system for kitchen according to claim 1, it is characterised in that: the sound detection module includes first capacitor
Formula microphone sensor and the second Electret Condencer Microphone sensor, the first capacitor formula microphone sensor is for recording background
Noise, the second Electret Condencer Microphone sensor is for mask data and matches voice and howling.
6. one kind is according to claim 1 to the cooking-fume exhauster blower revolving speed control of exhaust smoke system for kitchen described in any claim in 5
Method processed, it is characterised in that include the following steps:
1., user press corresponding key, range hood wakes up or starting；
2., cooking-fume exhauster blower with default gear operation；
3., controller read window openers location information, door sensor current folding information, sound detection module and oil smoke
The output valve of sensor；
4., using door sensor folding situation make condition judgement；If detecting, door and window are turned off, and judge that there is negative pressure in kitchen
A possibility that vacuumizing appearance；
5., window openers driving window open distance d1, blower keep current gear operation；
If 6., detect that door and window are one of and open, then it is assumed that air-flow supplement in kitchen is smooth；
7., read built-in sound database, judge whether match howling, if being otherwise transferred to step
If 8., matched howling, first judge whether window is opened to maximum, if then reduce gear or target air volume fortune
Row；
If 9., window do not open to the maximum, control window openers open distance d2；
If 10., detect that door and window are opened, judge will to occur door and window convection current interference oil smoke and formed to run cigarette, 1 grade of mesh is turned up
Mark air quantity or gear operation；
Timer t2 timing is recycled, the relationship of t2 Yu condition threshold m range are judged, if t2≤m, then it is assumed that user is interim
Opening the door, perhaps windowing keeps current air volume or gear operation for disengaging, is transferred to step
If door and window closing is also not detected in t2 > m, controls window openers and window is pushed to close, then t2 is reset, and is transferred to step
The output valve y1 of oil smoke sensor is compared with threshold value ya, yb, if y1≤ya, blower keep current air volume gear after
Reforwarding row；
If ya < y1 < yb, 1 grade of target air volume or gear operation is turned up；
If yb≤y1,2 grades of target air volumes or gear operation are improved；
Repeat step 3.-It carries out anti-interference detection and judges and adjust air quantity adaptation present case, until user shuts down.
7. one kind is according to claim 1 to the cooking-fume exhauster blower revolving speed control of exhaust smoke system for kitchen described in any claim in 5
Method processed, it is characterised in that include the following steps:
1., user press corresponding key, range hood wakes up or starting；
2., cooking-fume exhauster blower with default gear operation；
3., controller read window openers location information, door sensor current folding information, sound detection module and oil smoke
The output valve of sensor；
4., using door sensor folding situation make condition judgement；If detecting, door and window are turned off, and judge that there is negative pressure in kitchen
A possibility that vacuumizing appearance；
5., window openers driving window open distance d1, blower keep current gear operation；
If 6., detect that door and window are one of and open, then it is assumed that air-flow supplement in kitchen is smooth；
7., read built-in sound database, judge whether match howling, if being otherwise transferred to step
If 8., matched howling, first judge whether window is opened to maximum, if then reduce gear or target air volume fortune
Row；
If 9., window do not open to the maximum, then control window openers open distance d2；
If 10., detect that door and window are opened, judge will to occur door and window convection current interference oil smoke and formed to run cigarette, 1 grade of mesh is turned up
Mark air quantity or gear operation；
Timer t2 timing is recycled, the relationship of t2 Yu condition threshold m range are judged, if t2≤m, then it is assumed that user is interim
Opening the door, perhaps windowing keeps current air volume or gear operation for disengaging, is transferred to step
If door and window closing is also not detected in t2 > m, controls window openers and window is pushed to close, then t2 is reset, and is transferred to step
The output valve y1 of oil smoke sensor is compared with threshold value ya, yb, if y1≤ya, then it is assumed that does not run cigarette currently；
Built-in sound database is read, talk sound is judged whether there is, if otherwise continuing the present situation operation, lower whorl is transferred to and sentences
It is disconnected；
If there is talk sound, 1 grade of gear or target air volume are reduced, is talked convenient for user, lower whorl judgement is transferred to；
If ya < y1 < yb, 1 grade of target air volume or gear operation is turned up；
If yb≤y1,2 grades of target air volumes or gear operation are improved；
Repeat step 3.-It carries out anti-interference detection and judges and adjust air quantity adaptation present case, until user shuts down.
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| CN201910337610.3A CN110107937B (en) | 2019-04-25 | 2019-04-25 | Kitchen smoke exhaust system and method for controlling rotating speed of fan of range hood |
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| CN201910337610.3A CN110107937B (en) | 2019-04-25 | 2019-04-25 | Kitchen smoke exhaust system and method for controlling rotating speed of fan of range hood |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594807A (en) * | 2019-08-14 | 2019-12-20 | 宁波方太厨具有限公司 | Kitchen smoke exhaust system and operation monitoring method thereof |
| CN112628819A (en) * | 2020-12-22 | 2021-04-09 | 张家口市杰星电子科技有限公司 | Online monitoring and purifying method and system for oil smoke |
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| CN107449000A (en) * | 2017-07-31 | 2017-12-08 | 芜湖美的厨房电器制造有限公司 | kitchen pressure balance system |
| CN207907436U (en) * | 2018-02-01 | 2018-09-25 | 首创置业股份有限公司 | A kind of anti-exhaust ventilation device in kitchen |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110594807A (en) * | 2019-08-14 | 2019-12-20 | 宁波方太厨具有限公司 | Kitchen smoke exhaust system and operation monitoring method thereof |
| CN110594807B (en) * | 2019-08-14 | 2021-04-16 | 宁波方太厨具有限公司 | Kitchen smoke exhaust system and operation monitoring method thereof |
| CN112628819A (en) * | 2020-12-22 | 2021-04-09 | 张家口市杰星电子科技有限公司 | Online monitoring and purifying method and system for oil smoke |
| CN112628819B (en) * | 2020-12-22 | 2022-01-04 | 张家口市杰星电子科技有限公司 | Online monitoring and purifying method and system for oil smoke |
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