CN107449000A - kitchen pressure balance system - Google Patents
kitchen pressure balance system Download PDFInfo
- Publication number
- CN107449000A CN107449000A CN201710642662.2A CN201710642662A CN107449000A CN 107449000 A CN107449000 A CN 107449000A CN 201710642662 A CN201710642662 A CN 201710642662A CN 107449000 A CN107449000 A CN 107449000A
- Authority
- CN
- China
- Prior art keywords
- pressure balance
- kitchen
- range hood
- guide duct
- axial flow
- 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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Classifications
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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
Abstract
The invention discloses a kind of kitchen pressure balance system, including：Range hood and pressure balance device, the suction end of range hood arrange that the exhaust end connection outside atmosphere of range hood, pressure balance device includes adjacent to gas-cooker：Guide duct and air door, guide duct is located at the wall in kitchen or the top of window and through the wall or window in kitchen, and away from range hood, the interior space in connection kitchen and the airflow channel of outside atmosphere are limited in guide duct, one end that guide duct is located outside forms air inlet, one end that guide duct is located at the interior space in kitchen forms gas outlet, and one end of the formation air inlet of guide duct is bent downwardly, and air door is pivotably coupled to one end that guide duct forms gas outlet.Kitchen pressure balance system according to embodiments of the present invention, the naked light of distinguished and admirable blowing-out gas-cooker can not only be prevented, moreover it is possible to prevent air-flow from dispelling oil smoke, be advantageous to be lifted the efficiency of range hood, and can prevent the debris such as rainwater from entering airflow channel by air inlet.
Description
Technical field
The present invention relates to kitchen appliance technical field, more particularly to a kind of kitchen pressure balance system.
Background technology
In working condition, the oil smoke in kitchen is discharged to outdoor by range hood, is in negative pressure state in kitchen, no in kitchen
Only it is unfavorable for range hood normal discharge oil smoke, but also can be cold air or exhaust of hot air of the interior after air-conditioning is handled
To outdoor, it is unfavorable for energy-saving and emission-reduction.
The connection between kitchen pressure balance device and range hood in correlation technique is complex, is unfavorable for kitchen
The arrangement of interior circuit, and controllability is poor, and counterbalance effect is bad.
The content of the invention
It is contemplated that at least solves one of technical problem present in prior art.
Therefore, the present invention proposes a kind of kitchen pressure balance system, the kitchen pressure balance system can promote kitchen
Air intake and the balance for mending wind, can not only lift the performance of range hood, and can prevent rain erosion pressure balance device.
Kitchen pressure balance system according to embodiments of the present invention, including：Range hood and pressure balance device, the suction
The suction end of lampblack absorber is arranged adjacent to gas-cooker, the exhaust end connection outside atmosphere of the range hood, pressure balance device, is wrapped
Include：Guide duct and air door, the guide duct is located at the wall in kitchen or the top of window and through the wall or window in the kitchen
Family, and away from the range hood, limited in the guide duct and connect the interior space in the kitchen and the wind of outside atmosphere
Circulation road, one end that the guide duct is located outside form air inlet, and the guide duct is located at the interior space in the kitchen
One end forms gas outlet, and one end of the formation air inlet of the guide duct is bent downwardly, and the air door is pivotably connected
One end of the gas outlet is formed in the guide duct.
Thus, kitchen pressure balance system according to embodiments of the present invention, on the one hand, the position of gas outlet high and away from
Range hood, the experience of distinguished and admirable blow-through body effect user can not only be prevented, moreover it is possible to the naked light of distinguished and admirable blowing-out gas-cooker is prevented,
And can prevent air-flow from dispelling oil smoke, be advantageous to be lifted the efficiency of range hood, on the other hand, the formation air inlet of guide duct
One end be bent downwardly, rainwater is directly fallen under gravity after falling on guide duct, prevents rainwater from entering by air inlet
Airflow channel, water erosion guide duct or air door can not only be prevented, extend the usage time of pressure balance device, moreover it is possible to be anti-
Sealing stream enters kitchen, corrodes wall or influences indoor sanitation.Air inlet is down-set, the design of the bend of admission line, can be with
The influence of outdoor strong wind weather is preferably minimized.The blowback and foreign matter for avoiding air-flow enter interior by pipeline.
Pressure balance system in kitchen according to an embodiment of the invention, the pressure balance device and the range hood
Wireless telecommunications, when the range hood works, the air door opens the gas outlet, when the range hood stops, institute
State air door and close the gas outlet.Pressure balance device wireless connection range hood, pressure balance device is not only eliminated with inhaling
Complicated circuit between lampblack absorber, and the installation for pressure balance device provides conveniently with position selection, furthermore, blast is put down
The device that weighs adjusts the action of air door according to the working condition of range hood, prevents air door from blocking airflow channel, ensures airflow channel
It is sufficient to mend air quantity.
Pressure balance system in kitchen according to an embodiment of the invention, the pressure balance device also include：Axle stream wind
Machine, the axial flow blower are located in the airflow channel, for aiding in the flowing of air in the airflow channel, the axle stream wind
Machine and the range hood wireless telecommunications, the power of the axial flow blower increase with the increase of the power of the range hood,
The power of the axial flow blower reduces with the reduction of the power of the range hood, described when the range hood stops
Axial flow blower stops.By setting axial flow blower in airflow channel, smaller kitchen is sufficient to compensate for when distinguished and admirable in airflow channel
Air quantity when, utilize axial flow blower increase airflow channel airflow velocity, increase pressure balance device benefit air quantity.
Alternatively, the axial flow blower includes：Motor and axial flow fan leaf, the motor are located at the wind circulation
In road, the motor and the range hood wireless telecommunications, the axial flow fan leaf drive connection is on the motor.
Pressure balance system in kitchen according to an embodiment of the invention, the exhaust end of the range hood and the blast
The suction end of bascule is arranged spaced apart.The oil smoke that range hood is discharged is prevented to be again introduced into kitchen by pressure balance device
Room, be advantageous to improve the indoor environment in kitchen.
Pressure balance system in kitchen according to an embodiment of the invention, the interior diameter of the airflow channel are not less than
160mm, prevent from influenceing to mend air quantity because airflow channel internal diameter is too small.
Pressure balance system in kitchen according to an embodiment of the invention, the pressure balance device is relative to the kitchen
The height on ground is not less than 2m,
Pressure balance system in kitchen according to an embodiment of the invention, the pressure balance device also include：Filter screen, institute
State filter screen to be located in the airflow channel and adjacent to the air inlet of the airflow channel, prevent the debris in outdoor air from passing through wind
Circulation road enters kitchen.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment
Substantially and it is readily appreciated that, wherein：
Fig. 1 is the structural representation of kitchen pressure balance system according to embodiments of the present invention；
Fig. 2 is the sectional view of the line A-A along Fig. 1；
Fig. 3 is the sectional view of the line B-B along Fig. 2；
Fig. 4 is the structural representation of pressure balance device according to embodiments of the present invention.
Reference：
100：Kitchen pressure balance system；
10：Range hood；11：Gas-cooker；12：Wall or window；
20：Pressure balance device；21：Guide duct；22：Airflow channel；221：Air inlet；222：Gas outlet；
23：Air door；24：Axial flow blower；241：Motor；242：Axial flow fan leaf；25：Filter screen.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, limit
Surely there is " first ", one or more this feature can be expressed or be implicitly included to the feature of " second ".The present invention's
In description, unless otherwise indicated, " multiple " are meant that two or more.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Kitchen pressure balance system 100 according to embodiments of the present invention is described below with reference to Fig. 1-Fig. 4.
As shown in figs. 1 and 3, kitchen pressure balance system 100 according to an embodiment of the invention, including：Range hood
10 and pressure balance device 20.
Specifically, the suction end of range hood 10 is arranged adjacent to gas-cooker 11, the exhaust end communication chamber of range hood 10
Outer air, when range hood 10 works, the oil smoke near gas-cooker 11 can be discharged into outside atmosphere together with partial air,
Pressure balance device 20 includes：Guide duct 21 and air door 23, guide duct 21 run through the wall or window 12 in kitchen, and are located at kitchen
Wall or window 12 top, such as guide duct 21 can be arranged on the position of the close ceiling of kitchen wall or window 12
Put, airflow channel 22 is limited in guide duct 21, be advantageous to be lifted the seal of airflow channel 22, the both ends point of airflow channel 22
Not Lian Tong kitchen the interior space and outside atmosphere, and the one end that is located outside of guide duct 21 forms air inlet 221, guide duct 21
Gas outlet 222 is formed positioned at one end of the interior space in kitchen, gas outlet 222 is away from range hood 10.
Wherein, one end of the formation air inlet 221 of guide duct 21 is bent downwardly, that is to say, that the central shaft of guide duct 21
Line is bent downwardly adjacent to one end of air inlet 221, and the plane where the air inlet 221 of guide duct 21 with horizontal plane with substantially putting down
OK, air door 23 is pivotably coupled to guide duct 21 adjacent to one end of gas outlet 222, can not only prevent external environment condition from corroding wind
Door 23, and during gas shock air door 22 in airflow channel 22 can opens voluntarily air door 23, eliminate manual control air door 23
Process, additionally it is possible to simplify air door 23 structure design.
Thus, kitchen pressure balance system 100 according to embodiments of the present invention, on the one hand, the position of gas outlet 222 is higher
And away from range hood 10, enter kitchen from top gas outlet 222, into kitchen after can circulation expansion area reduction flow velocity, people
Body-sensing knows comfort level height, can not only prevent the experience of distinguished and admirable blow-through body effect user, moreover it is possible to prevent distinguished and admirable blowing-out gas-cooker
Naked light, and can prevent air-flow from dispelling oil smoke, be advantageous to be lifted the efficiency of range hood 10, on the other hand, guide duct 21
One end of formation air inlet 221 be bent downwardly, rainwater is directly fallen under gravity after falling on guide duct 21, prevents rain
Water enters airflow channel 22 by air inlet 221, can not only prevent water erosion guide duct 21 or air door 23, extend blast
The usage time of bascule 20, moreover it is possible to prevent current from entering kitchen, corrode wall or influence indoor sanitation.
Wherein, air-conditioning regulation indoor temperature, room air discharge meeting are used in the summer of sweltering heat or the winter of cold, parlor
Increase the electric quantity consumption of air-conditioning, be unfavorable for energy-saving and emission-reduction, supplemented by pressure balance device 20 it is distinguished and admirable, prevent because kitchen produce it is negative
Pressure causes the air in parlor to be discharged by kitchen, significant to environmental protection and the saving energy.
As shown in figure 1, according to one embodiment of present invention, pressure balance device 20 and the wireless telecommunications of range hood 10,
When range hood 10 works, air door 23 opens gas outlet 222, and when range hood 10 stops, air door 23 closes gas outlet
222, pressure balance device 20 and range hood 10 can be bluetooth connections, can be infrared connection, WiFi can also be used to connect
Connecing, pressure balance device 20 is according to the action of the working condition damper 23 of range hood 10, when range hood 10 works,
Air door 23 opens gas outlet 222, and when range hood 10 stops, air door 23 closes gas outlet 222.
The wireless connection range hood 10 of pressure balance device 20, not only eliminates pressure balance device 20 and range hood 10
Between complicated circuit, and the selection of the installation for pressure balance device 20 and position provides conveniently, furthermore, pressure balance dress
20 actions that air door 23 is adjusted according to the working condition of range hood 10 are put, prevent air door 23 from blocking airflow channel 22, ensure wind
It is sufficient that circulation road 22 mends air quantity.
As shown in figure 4, according to one embodiment of present invention, pressure balance device 20 also includes：Axial flow blower 24, axle stream
Blower fan 24 is located in airflow channel 22, for aiding in the flowing of air in airflow channel 22, axial flow blower 24 and range hood 10
Wireless telecommunications, and axial flow blower 24 adjusts the working condition of axial flow blower 24, axle stream according to the working condition of range hood 10
The power of blower fan 24 increases with the increase of the power of range hood 10, the power of axial flow blower 24 with range hood 10 power
Reduction and reduce, when range hood 10 stops, axial flow blower 24 stops.
Due to oil smoke and air in the interior space of kitchen being discharged to the increase of the power of range hood 10, range hood 10
Outdoor speed is faster, and the air quantity required supplementation with kitchen is bigger, therefore, according to the power adjusting axle stream of range hood 10
The power of blower fan 24 can ensure the pressure balance of the kitchen interior space and outside atmosphere, prevent from causing because producing negative pressure in kitchen
Air in parlor or bedroom flows into kitchen.
Further, as shown in figure 4, axial flow blower 24 includes：Motor 241 and axial flow fan leaf 242, motor
241 are arranged in airflow channel 22, and motor 241 and the wireless telecommunications of range hood 10, and motor 241 is according to fume-exhausting
The rotating speed of the power adjusting motor 241 of machine 10, axial flow fan leaf 242 are connected on motor 241, specifically,
Rotating shaft is provided with motor 241, rotating shaft is rotatably attached in motor 241, and axial flow fan leaf 242, which is fixedly mounted on, to be turned
On axle, and rotated with rotating shaft relative to motor 241, with increasing or decreasing for the rotating speed of motor 241, axial flow fan leaf
Distinguished and admirable increase or reduction caused by 242, thus control the benefit air quantity in kitchen.
The axial flow blower 24 of said mechanism, simple in construction, production cost is relatively low, and can preferably adjust airflow channel 22
Interior is distinguished and admirable.
As shown in figure 4, according to one embodiment of present invention, exhaust end and the pressure balance device 20 of range hood 10
Suction end is arranged spaced apart, and the discharge of the exhaust end of range hood 10 is soot gas dirty in kitchen, pressure balance device
20 suction end suction gas supplements for kitchen, and both are arranged spaced apart, prevents that the soot gas that range hood 10 is discharged are direct
Kitchen is sucked by pressure balance device 20, thereby it is ensured that the air-flow of range hood 10 and pressure balance device 20 independently passes in and out, no
The smooth discharge of kitchen fume gas can only be ensured, keep indoor environment pure and fresh, moreover it is possible to ensure that pressure balance device 20 is normal
Wind is mended for kitchen.
According to one embodiment of present invention, the interior diameter of airflow channel 22 is not less than 160mm, according to test range hood
10 in the course of the work, and the diameter of airflow channel 22 should be more than the diameter of the exhaust end of range hood 10, may generally be 160mm or
180mm, the interior diameter selection 200mm effects of airflow channel 22 are more preferable.
Wherein, for being provided with the house type of sealing living balcony on the outside of kitchen, if pressure balance device 20 is arranged on kitchen
On wall or window 12 between room and living balcony, the air vent of respective diameters should be set on living balcony, and divulge information
The diameter in hole should be suitably larger than the interior diameter of airflow channel 22, advantageously reduce distinguished and admirable resistance, ensure distinguished and admirable unobstructed.
In some specific examples, pressure balance device 20 is not less than 2m relative to the height of kitchen surface, it is however generally that,
Gas-cooker 11 and range hood 10 are all located at below 2m, will not cause oil smoke horizontal proliferation, and then do not interfere with range hood 10
Smoking effect, and will not blow-through user's head or body, improve Consumer's Experience.
As shown in figure 3, in the implementation of the present invention, pressure balance device 20 also includes：Filter screen 25, filter screen 25 are located at
The air inlet 221 of the interior and neighbouring airflow channel 22 of airflow channel 22, it is distinguished and admirable to enter airflow channel 22 after the filtering of filter screen 25, prevent
Only debris enters airflow channel 22, damage pressure balance device 20, and can be lifted into the air matter of the kitchen interior space
Amount.
One specific implementation of kitchen pressure balance system 100 according to embodiments of the present invention is described with reference to the accompanying drawings
Example.
As shown in figs. 1 and 3, according to one embodiment of present invention, kitchen pressure balance system 100 includes：Range hood
10 and pressure balance device 20, pressure balance device 20 include：Guide duct 21, air door 23, filter screen 25 and axial flow blower 24, axle stream
Blower fan 24 and the wireless telecommunications of range hood 10.
Wherein, airflow channel 22 is limited in guide duct 21, the both ends of guide duct 21 form entering for connection airflow channel 22
Gas port 221 and gas outlet 222, and one end of the formation air inlet 221 of guide duct 21 is bent downwardly, air door 23 is located at guide duct 21
The position of upper neighbouring gas outlet 222, filter screen 25 are located on guide duct 21, and the air inlet 221 of neighbouring airflow channel 22, axle stream wind
Machine 24 includes：Motor 241 and axial flow fan leaf 242, motor 241 are located in airflow channel 22 and according to range hood 10
Power adjusting own power, axial flow fan leaf 242 is connected on motor 241, in the length direction of airflow channel 22
On, axial flow blower 24 is between filter screen 25 and air channel valve, and the interior diameter of airflow channel 22 is not less than 160mm, and blast is put down
Weighing apparatus device 20 is not less than 2m relative to the height of kitchen surface.
Other of kitchen pressure balance system 100 according to embodiments of the present invention are formed and operated common for this area
All it is known for technical staff, is not detailed herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example describe
Structure, material or feature are contained at least one embodiment or example of the present invention.In this manual, to above-mentioned term
Schematic representation is not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can combine in an appropriate manner in any one or more embodiments or example.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of departing from the principle and objective of the present invention a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The scope of invention is limited by claim and its equivalent.
Claims (8)
- A kind of 1. kitchen pressure balance system, it is characterised in that including：Range hood, the suction end of the range hood is arranged adjacent to gas-cooker, outside the exhaust end communication chamber of the range hood Air；Pressure balance device, including：Guide duct, the guide duct are located at the wall in kitchen or the top of window and through the walls or window in the kitchen, and Away from the range hood, the wind circulation of the interior space and outside atmosphere that connect the kitchen is limited in the guide duct Road, one end that the guide duct is located outside form air inlet, and the guide duct is located at one end of the interior space in the kitchen Gas outlet is formed, one end of the formation air inlet of the guide duct is bent downwardly；Air door, the air door are pivotably coupled to one end that the guide duct forms the gas outlet.
- 2. pressure balance system in kitchen according to claim 1, it is characterised in that the pressure balance device and the suction Lampblack absorber wireless telecommunications, when the range hood works, the air door opens the gas outlet, when the range hood stops When, the air door closes the gas outlet.
- 3. pressure balance system in kitchen according to claim 2, it is characterised in that the pressure balance device also includes：Axial flow blower, the axial flow blower are located in the airflow channel, for aiding in the flowing of air in the airflow channel, The axial flow blower and the range hood wireless telecommunications；The power of the axial flow blower increases with the increase of the power of the range hood, and the power of the axial flow blower is with institute State the reduction of the power of range hood and reduce, when the range hood stops, the axial flow blower stops.
- 4. pressure balance system in kitchen according to claim 3, it is characterised in that the axial flow blower includes：Motor, the motor are located in the airflow channel, the motor and the range hood channel radio News；Axial flow fan leaf, the axial flow fan leaf drive connection is on the motor.
- 5. pressure balance system in kitchen according to claim 1, it is characterised in that the exhaust end of the range hood and institute The suction end for stating pressure balance device is arranged spaced apart.
- 6. pressure balance system in kitchen according to claim 1, it is characterised in that the interior diameter of the airflow channel is not small In 160mm.
- 7. pressure balance system in kitchen according to claim 1, it is characterised in that the pressure balance device is relative to institute The height for stating kitchen surface is not less than 2m.
- 8. pressure balance system in kitchen according to claim 1, it is characterised in that the pressure balance device also includes：Filter screen, the filter screen are located in the airflow channel and adjacent to the air inlet of the airflow channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710642662.2A CN107449000A (en) | 2017-07-31 | 2017-07-31 | kitchen pressure balance system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710642662.2A CN107449000A (en) | 2017-07-31 | 2017-07-31 | kitchen pressure balance system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107449000A true CN107449000A (en) | 2017-12-08 |
Family
ID=60489297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710642662.2A Pending CN107449000A (en) | 2017-07-31 | 2017-07-31 | kitchen pressure balance system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107449000A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108895494A (en) * | 2018-08-10 | 2018-11-27 | 刘运江 | The pressure balance device of gas burner |
| CN110107938A (en) * | 2019-04-25 | 2019-08-09 | 宁波方太厨具有限公司 | A kind of central flue system and its target air volume control method |
| CN110107939A (en) * | 2019-04-25 | 2019-08-09 | 宁波方太厨具有限公司 | A kind of exhaust smoke system for kitchen and its cooking-fume exhauster blower method for controlling number of revolution |
| CN110107937A (en) * | 2019-04-25 | 2019-08-09 | 宁波方太厨具有限公司 | A kind of exhaust smoke system for kitchen and its cooking-fume exhauster blower method for controlling number of revolution |
| CN110107935A (en) * | 2019-04-25 | 2019-08-09 | 宁波方太厨具有限公司 | A kind of exhaust smoke system for kitchen and its cooking-fume exhauster blower method for controlling number of revolution |
| CN110230830A (en) * | 2019-04-25 | 2019-09-13 | 宁波方太厨具有限公司 | A kind of central flue system and its target air volume control method |
| CN110553379A (en) * | 2018-06-04 | 2019-12-10 | 浙江美尔凯特智能厨卫股份有限公司 | Air port assembly of integral kitchen air conditioner |
| CN110793143A (en) * | 2019-11-02 | 2020-02-14 | 朱利新 | Kitchen active pressurization ventilation blowing system and use method thereof |
| CN115388440A (en) * | 2022-08-24 | 2022-11-25 | 杭州老板电器股份有限公司 | Kitchen negative pressure improving method and system, range hood and storage medium |
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| CN110107939B (en) * | 2019-04-25 | 2020-08-11 | 宁波方太厨具有限公司 | Kitchen smoke exhaust system and method for controlling rotating speed of fan of range hood |
| CN110230830B (en) * | 2019-04-25 | 2020-08-11 | 宁波方太厨具有限公司 | Central flue system and target air volume control method thereof |
| CN110107937B (en) * | 2019-04-25 | 2020-08-11 | 宁波方太厨具有限公司 | Kitchen smoke exhaust system and method for controlling rotating speed of fan of range hood |
| CN110107938A (en) * | 2019-04-25 | 2019-08-09 | 宁波方太厨具有限公司 | A kind of central flue system and its target air volume control method |
| CN110793143A (en) * | 2019-11-02 | 2020-02-14 | 朱利新 | Kitchen active pressurization ventilation blowing system and use method thereof |
| CN115388440A (en) * | 2022-08-24 | 2022-11-25 | 杭州老板电器股份有限公司 | Kitchen negative pressure improving method and system, range hood and storage medium |
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Application publication date: 20171208 |