CN110107935A - 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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- CN110107935A CN110107935A CN201910337083.6A CN201910337083A CN110107935A CN 110107935 A CN110107935 A CN 110107935A CN 201910337083 A CN201910337083 A CN 201910337083A CN 110107935 A CN110107935 A CN 110107935A
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- door
- window
- sensor
- kitchen
- 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 is characterized by also including the first door and window sensors being mounted on the window of kitchen and the second door and window sensor being mounted on backstairs, it further include having the oil smoke sensor that can perceive oil smoke concentration size, range hood has the controller for the output signal that can read the first door and window sensor, the second door and window sensor and oil smoke sensor, and controller accordingly can control the revolving speed of blower by above-mentioned signal based on the received.The present invention has the advantages that the exhaust smoke system for kitchen can be according to the output signal of door and window sensor come the revolving speed of corresponding blower, and interior is obtained by door and window sensor and interferes smoke absorption effect bigger factor, and oil smoke concentration information can be obtained in conjunction with oil smoke sensor, blower gear and air quantity are accordingly adjusted, preferably prepositionization it can prejudge the disturbed condition being likely to occur, adaptive adjustment, to greatly promote user experience.
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 be according to door and window
The output signal of sensor 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: further include be mounted on the window of kitchen
One door and window sensor and the second door and window sensor being mounted on backstairs, further include having the oil smoke that can perceive oil smoke concentration size
Sensor, the range hood have the output that can read the first door and window sensor, the second door and window sensor and oil smoke sensor
The controller of signal, and the controller accordingly can control the revolving speed of the blower by above-mentioned signal based on the received.
Preferably, the first door and window sensor and the second door and window sensor are one.
Oil smoke sensor may be mounted at multiple positions, it is preferable that the oil smoke sensor is mounted on the range hood
Exhaust fume collecting hood on.
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 the first door and window sensor, the second door and window sensor current folding information and oil smoke sensor
Output signal；
4., using door and window sensor folding situation make condition judgement；
If detecting, door and window are turned off, and judge that there is a possibility that negative pressure vacuumizes appearance in kitchen, user is prompted to open
Door or windowing supplement air；
If detecting door and the one of unlatching of window, then it is assumed that air-flow supplement in kitchen is smooth, and is formed without door and window convection current
Interference air-flow occur, and judge the output valve y1 of oil smoke sensor and the size relation of threshold value ya, yb in turn,
If y1≤ya, blower keeps current air volume gear to continue 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；
If detecting, door and window are opened, and door and window convection current interference oil smoke will be occurred by, which judging, forms race cigarette, and 1 grade of mesh is turned up
Mark air quantity or gear operation；
5., 3. and 4. repeat step, carry out the anti-interference detection of door and window and judge simultaneously to adjust air quantity being adapted to current door and window and opening and closing feelings
Condition, until user shuts down.
Further preferably, the step 4. in the state of detecting that door and window are turned off, setting timer t1 meter
When, judge the relationship of t1 Yu condition threshold T range, if t1≤T, keeps current air volume or gear to run, if t1 > T is also not
It detects that door and window is opened, then turns down 1 grade of target air volume or gear, t1 is reset.
Further preferably, the step 4. in the state of detecting that door and window are opened, be turned up 1 grade of target wind
After amount or gear operation, timer t2 timing is recycled, judges that t2 and the relationship of condition threshold m range are protected if t2≤m
Current air volume or gear operation are held, if door and window closing is also not detected in t2 > m, prompts user to close the door or closes window, t2 is clear
Zero, and t2 and condition threshold m judgement after, return step 4. in oil smoke sensor output valve y1 and threshold value ya judgement
Logic.
It can be communicated in several ways between door and window sensor and controller, it is preferable that the first door and window sensor,
It is communicated between second door and window sensor and the controller by Zigbee or wifi or radio frequency method.
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 defeated of door and window sensor
The revolving speed of the corresponding blower of signal out, and interior is obtained by door and window sensor and interferes smoke absorption effect bigger factor,
And oil smoke concentration information can be obtained in conjunction with oil smoke sensor, blower gear and air quantity can accordingly be adjusted, relative to oil
The passive rear-mounted detection feedback scheme such as smoke sensor preferably prepositionization can prejudge the disturbed condition being likely to occur, adaptive
It should 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；
Fig. 2 is the structural schematic diagram of another angle of the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the range hood of the embodiment of the present invention；
Fig. 4 is the structure sectional view of the range hood of the embodiment of the present invention；
Fig. 5 is the control logic figure of the rotation speed of fan control method of the embodiment of the present invention.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
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, and the first door and window sensor 4 is equipped on the window 2 in kitchen, installs second on the door 3 in kitchen
Door and window sensor 5, door and window sensor generate switch state signal by electromagnetism or soft-touch type contact, and door and window sensor belongs to existing
There is routine techniques, description is no longer developed in details in concrete operating principle.Oil smoke biography is installed on the exhaust fume collecting hood 12 of range hood 1
Sensor 6, the available oil smoke concentration size of oil smoke sensor 6.
Controller (showing in figure) is installed, controller can read the first door and window sensor 4, second on range hood 1
The output signal of door and window sensor 5 and oil smoke sensor 6, and accordingly can control turning for blower 11 by above-mentioned signal based on the received
Speed, and then realize that air quantity is adjusted.Zigbee can be passed through between first door and window sensor 4, the second door and window sensor 5 and controller
Either wifi or radio frequency method are communicated.
As shown in figure 4, the outlet of the smoke exhaust pipe 7 of range hood 1 is equipped with fire resisting damper 8, blower 11 sucks oil smoke, and successively
It is discharged by smoke exhaust pipe 7 and fire resisting damper 8, 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 the first door and window sensor, the second door and window sensor current folding information and oil smoke sensor
Output signal；
4., using door and window sensor folding situation make condition judgement；
If detecting, door and window are turned off, and judge that there is a possibility that negative pressure vacuumizes appearance in kitchen, user is prompted to open
Door or windowing supplement air；
If detecting door and the one of unlatching of window, then it is assumed that air-flow supplement in kitchen is smooth, and is formed without door and window convection current
Interference air-flow occur, and judge the output valve y1 of oil smoke sensor and the size relation of threshold value ya, yb in turn,
If y1≤ya, blower keeps current air volume gear to continue 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；
If detecting, door and window are opened, and door and window convection current interference oil smoke will be occurred by, which judging, forms race cigarette, and 1 grade of mesh is turned up
Mark air quantity or gear operation；
5., 3. and 4. repeat step, carry out the anti-interference detection of door and window and judge simultaneously to adjust air quantity being adapted to current door and window and opening and closing feelings
Condition, until user shuts down.
Wherein, step 4. in the state of detecting that door and window are turned off, set timer t1 timing, judge t1 with
The relationship of condition threshold T range keeps current air volume or gear to run, if door and window is also not detected in t1 > T if t1≤T
It opens, then turns down 1 grade of target air volume or gear, t1 is reset.
Step 4. in the state of detecting that door and window are opened, be turned up 1 grade of target air volume or gear operation
Afterwards, recycle timer t2 timing, judge the relationship of t2 Yu condition threshold m range, if t2≤m, keep current air volume or
Gear operation prompts user to close the door or close window if door and window closing is also not detected in t2 > m, and t2 is reset, and t2 and condition threshold
Value m judge after, return step 4. in oil smoke sensor output valve y1 and threshold value ya decision logic.
The rotation speed of fan control method of the present embodiment obtains indoor interfere smoke absorption effect by door and window sensor and compares
Big factor, when there is door and window to open simultaneously, convection current will occur in expression, improve target air volume or revolving speed at once, siphon away in advance
Issuable race cigarette, when door and window simultaneously closes off, suction negative pressure will occur in expression, reduce target air volume or revolving speed at once,
Negative pressure may potentially be inhaled by siphoning away in advance.The cooking-fume exhauster blower method for controlling number of revolution is relative to the passive postposition such as oil smoke sensor
Formula detects feedback scheme, preferably prepositionization can prejudge the disturbed condition being likely to occur, adaptive to adjust, to greatly promote
User experience.
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 the first door and window sensor (4) being mounted on kitchen window (2) and be mounted on backstairs (3)
On the second door and window sensor (5), further include having the oil smoke sensor (6) that can perceive oil smoke concentration size, the range hood
(1) there is the control for the output signal that can read the first door and window sensor (4), the second door and window sensor (5) and oil smoke sensor (6)
Device processed, and the controller accordingly can control the revolving speeds of the blower (11) by above-mentioned signal based on the received.
2. exhaust smoke system for kitchen according to claim 1, it is characterised in that: the first door and window sensor (4) and
Two door and window sensors (5) are one.
3. exhaust smoke system for kitchen according to claim 1, it is characterised in that: the oil smoke sensor (6) is mounted on described
On the exhaust fume collecting hood (12) of range hood (1).
4. a kind of cooking-fume exhauster blower method for controlling number of revolution of exhaust smoke system for kitchen according to claim 1, 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 the first door and window sensor, the second door and window sensor current folding information and oil smoke sensor it is defeated
Signal out；
4., using door and window sensor folding situation make condition judgement；
If detecting, door and window are turned off, and judge that there is a possibility that negative pressure vacuumizes appearance in kitchen, prompt user open the door or
Person, which opens a window, supplements air；
If detecting door and the one of unlatching of window, then it is assumed that air-flow supplement in kitchen is smooth, and does without what door and window convection current was formed
Air-flow appearance is disturbed, and judges the output valve y1 of oil smoke sensor and the size relation of threshold value ya, yb in turn,
If y1≤ya, blower keeps current air volume gear to continue 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；
If detecting, door and window are opened, and door and window convection current interference oil smoke will be occurred by, which judging, forms race cigarette, and 1 grade of target wind is turned up
Amount or gear operation；
5., 3. and 4. repeat step, carry out the anti-interference detection of door and window and judge simultaneously to adjust air quantity being adapted to current door and window and opening and closing situation, directly
It shuts down to user.
5. the cooking-fume exhauster blower method for controlling number of revolution of exhaust smoke system for kitchen according to claim 4, the step 4. in
In the state of detecting that door and window are turned off, timer t1 timing is set, judges the relationship of t1 Yu condition threshold T range,
If t1≤T, current air volume or gear is kept to run, if door and window opening is also not detected in t1 > T, turns down 1 grade of target wind
Amount or gear, t1 are reset.
6. the cooking-fume exhauster blower method for controlling number of revolution of exhaust smoke system for kitchen according to claim 4, the step 4. in
In the state of detecting that door and window are opened, after 1 grade of target air volume or gear operation is turned up, timer t2 is recycled
Timing judges the relationship of t2 Yu condition threshold m range, if t2≤m, keeps current air volume or gear to run, if t2 > m is also
Door and window closing is not detected, then user is prompted to close the door or close window, t2 is reset, and after t2 and condition threshold m judgement, is returned
Step 4. in oil smoke sensor output valve y1 and threshold value ya decision logic.
7. the cooking-fume exhauster blower method for controlling number of revolution of exhaust smoke system for kitchen according to claim 4, it is characterised in that: institute
It states between the first door and window sensor, the second door and window sensor and the controller through Zigbee or wifi or radio frequency method
It is communicated.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910337083.6A CN110107935B (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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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910337083.6A CN110107935B (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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| CN110107935A true CN110107935A (en) | 2019-08-09 |
| CN110107935B CN110107935B (en) | 2020-08-11 |
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Cited By (5)
| 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 |
| CN112524661A (en) * | 2020-11-18 | 2021-03-19 | 华帝股份有限公司 | Air volume control method and system for central flue system |
| 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 |
| CN113531618A (en) * | 2021-07-20 | 2021-10-22 | 华帝股份有限公司 | Control method of range hood |
| CN115076999A (en) * | 2022-05-06 | 2022-09-20 | 重庆海尔空调器有限公司 | Linkage control method and system for removing water mist of air conditioner, control device and air conditioner |
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| CN115076999A (en) * | 2022-05-06 | 2022-09-20 | 重庆海尔空调器有限公司 | Linkage control method and system for removing water mist of air conditioner, control device and air conditioner |
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