CN110207202A - Range hood with adjustable air inlet area and control method thereof - Google Patents
Range hood with adjustable air inlet area and control method thereof Download PDFInfo
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- CN110207202A CN110207202A CN201810575837.7A CN201810575837A CN110207202A CN 110207202 A CN110207202 A CN 110207202A CN 201810575837 A CN201810575837 A CN 201810575837A CN 110207202 A CN110207202 A CN 110207202A
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- air inlet
- oil
- oil smoke
- concentration
- controller
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000000779 smoke Substances 0.000 claims abstract description 149
- 239000003517 fume Substances 0.000 claims description 22
- 238000011897 real-time detection Methods 0.000 claims description 3
- 235000019504 cigarettes Nutrition 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 239000002699 waste material Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000391 smoking effect Effects 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
Abstract
The invention discloses a range hood with adjustable air inlet area and a control method thereof, which comprises a box body, a smoke collecting hood, an oil screen structure, a fan, a sensor and a controller, wherein the smoke collecting hood is arranged below the box body, the smoke collecting hood is provided with a left air inlet and a right air inlet, the left air inlet and the right air inlet are both provided with the oil screen structure, the fan and the controller are both arranged in the box body, the sensor is arranged on the oil screen structure, the controller is respectively connected with the oil screen structure and the sensor and is used for adjusting the air inlet area of the oil screen structure according to the concentration of oil smoke collected by the sensor, thus, the invention can automatically judge the size of an oil smoke generating area and the oil smoke quantity, the controller of the range hood can intelligently adjust the opening state of the left air inlet and the right air inlet, actively adjust the opening area direction of the air inlets towards the oil smoke generating area, and, reach high-efficient suction oil smoke, improve user and use and experience.
Description
Technical field
The invention belongs to kitchen ventilator technical fields, and in particular to the adjustable range hood of incoming air area and its control method.
Background technique
During the cooking process, often one side of kitchen range is working, and the oil smoke of generation is bigger, separately for major part family now
On one side seldom, or even without oil smoke it generates.But current range hood uses the area Shi Doushiwu although the air quantity of complete machine is very big
Other, fixed entire kitchen range region of suction.Which results in the work of one side burner in most cases, another side burner not work
Make, or oil smoke amount very little when work, the half sucking of range hood exhaust air rate is clean invalid air, serious waste
The pump drainage potentiality of smoke machine itself while waste of energy, also create the big drawback of noise, so as to cause user experience
Difference.
Summary of the invention
For overcome the deficiencies in the prior art, the purpose of the present invention is intended to provide a kind of adjustable range hood of incoming air area
And its control method.
The technical scheme of the present invention is realized as follows:
The embodiment of the present invention provides a kind of adjustable range hood of incoming air area comprising cabinet, exhaust fume collecting hood, oil network knot
Structure, blower, sensor and controller, the exhaust fume collecting hood are arranged in the lower section of cabinet, left air inlet are provided on the exhaust fume collecting hood
With right air inlet, the left air inlet and right air inlet are respectively provided with oil-net structure, and the blower and controller are arranged at cabinet
Interior, the sensor is arranged on oil-net structure, and the controller is connect with oil-net structure and sensor respectively, and is used for root
According to the incoming air area of the concentration adjustment oil-net structure of the oil smoke of sensor acquisition.
Preferably, the oil-net structure includes at least two layers of the oil network being arranged inside and outside, and at least two layers of oil network is provided with
Opposite air inlet, the oil network positioned at internal layer rotates setting, for changing the phase of the air inlet of at least two layers oil network
The incoming air area of oil-net structure is adjusted to position.
Preferably, the oil-net structure includes outer layer oil network, internal layer rotation net and stepper motor, and the internal layer rotation net is tight
The setting of outer layer oil network is pasted, the stepper motor is fixed in exhaust fume collecting hood, and the output shaft of the stepper motor sequentially passes through outer oil
Net and internal layer rotation net, and the output shaft of the stepper motor and outer layer oil network clearance fit, the output of the stepper motor
Axis and internal layer rotation net are clamped and drive the rotation of internal layer rotation net for adjusting incoming air area.
Preferably, the oil-net structure further includes spring, and the spring is set on output shaft and is located at stepper motor
Between internal layer rotation net.
Preferably, the outer layer oil network is rectangular plate-like structure, and the outer layer oil network is provided centrally with the first mounting hole,
It is evenly arranged at least one first air inlet slot around first mounting hole, the first air inlet slot is sector, and
The area equation of each first air inlet slot, the angle α between the two neighboring first air inlet slot are greater than described the
The fan-shaped angle β of one air inlet slot.
Preferably, the internal layer rotation net is circular plate structure, and the internal layer rotation net is provided centrally with the second peace
Hole is filled, is evenly arranged at least one second air inlet slot around second mounting hole, the second air inlet slot is sector,
The area equation of each second air inlet slot, and the area of the area of the second air inlet slot and the first air inlet slot
It is equal.
Preferably, the oil-net structure further includes nut, and the nut is set in the end of stepper motor output shaft.
The embodiment of the present invention also provides a kind of control method of range hood, is applied to such as above-described embodiment any one
The adjustable range hood of the incoming air area, which is characterized in that range hood, which is started using oil-net structure as full-gear, to be run；
The concentration of the oil smoke of the left air inlet and right air inlet of sensor real-time detection range hood；The controller is adopted according to sensor
Collect the oil smoke of any one air inlet concentration adjust the air inlet oil-net structure incoming air area.
Preferably, the concentration for the oil smoke that the controller acquires any one air inlet according to sensor adjusts the air inlet
The incoming air area of the oil-net structure at place, specifically: the controller acquires the oil smoke of any one air inlet according to sensor
Concentration determines whether the air inlet generates oil smoke, if it is determined that the air inlet does not generate oil smoke, then the controller tune
Whole oil-net structure is full off state；If it is determined that the air inlet generates oil smoke and the concentration of oil smoke is greater than the first upper limit threshold
When, it is full-gear that the controller, which keeps oil-net structure, if the air inlet generates oil smoke and the concentration of oil smoke is less than
When equal to the first lower threshold, the controller adjustment oil-net structure is half-open position.
Preferably, the concentration for the oil smoke that the controller acquires any one air inlet according to sensor determines the air inlet
Whether place generates oil smoke, specifically: when the concentration that the sensor acquires the oil smoke of any one air inlet is more than or equal to concentration
When threshold value, the controller determines that the air inlet generates oil smoke, when the sensor acquires the oil smoke of any one air inlet
When concentration is less than concentration threshold, the controller determines that the air inlet does not generate oil smoke.
Preferably, this method further includes that the controller acquires the concentration of the oil smoke of all air inlets according to sensor
The revolving speed of summation adjustment blower；
The controller acquires the revolving speed of the summation adjustment blower of the concentration of the oil smoke of all air inlets, tool according to sensor
Body are as follows: when the summation of the concentration of the oil smoke of all air inlets is more than or equal to the second upper limit threshold, the controller adjustment
The revolving speed of blower be high gear, when the oil smoke of all air inlets concentration summation less than the second upper limit threshold and be greater than etc.
When the second lower threshold, the revolving speed of the controller adjustment blower is middle gear, when the concentration of the oil smoke of all air inlets
Summation less than the second lower threshold when, the revolving speed of controller adjustment blower is low gear.
Compared with prior art, the embodiment of the present invention provides a kind of adjustable range hood of incoming air area and its controlling party
Method comprising the lower section of cabinet is arranged in cabinet, exhaust fume collecting hood, oil-net structure, blower, sensor and controller, the exhaust fume collecting hood,
Left air inlet and right air inlet are provided on the exhaust fume collecting hood, the left air inlet and right air inlet are respectively provided with oil-net structure, institute
State blower and controller be arranged in cabinet, the sensor is arranged on oil-net structure, the controller respectively with oil network
Structure is connected with sensor, and the incoming air area of the concentration adjustment oil-net structure of the oil smoke for being acquired according to sensor, this
Sample, the present invention have been divided into left and right two parts, right and left air inlet for region is entered the wind by the left air inlet and right air inlet of exhaust fume collecting hood
Sensor can detect respectively right and left air inlet oil smoke concentration, range hood can according to the concentration of oil smoke determine enter the wind
Region, additionally it is possible to the incoming air area of oil-net structure is adjusted according to the concentration of the oil smoke of right and left air inlet respectively, thus, it is using
When, by the size of automatic discrimination oil smoke generating region and oil smoke amount, the controller of smoke machine intelligently adjusts opening for right and left air inlet
State is opened, actively adjusts the opening area direction of air inlet towards oil smoke generating region, while adjusting smoke machine blower running speed,
To change kitchen ventilator suction size, reaches efficiently suction oil smoke, improve user experience.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the adjustable range hood of 1 incoming air area of the embodiment of the present invention；
Fig. 2 is the side sectional view of the adjustable range hood of 1 incoming air area of the embodiment of the present invention；
Fig. 3 is the partial enlarged view in Fig. 2 at A；
Fig. 4 is the exploded view of oil-net structure in the adjustable range hood of 1 incoming air area of the embodiment of the present invention；
Fig. 5 is the structural schematic diagram of outer layer oil network in the adjustable range hood of 1 incoming air area of the embodiment of the present invention；
Fig. 6 is the structural schematic diagram of internal layer rotation net in the adjustable range hood of 1 incoming air area of the embodiment of the present invention；
Fig. 7 is the schematic diagram of the full-gear of oil-net structure in the adjustable range hood of 1 incoming air area of the embodiment of the present invention；
Fig. 8 is the schematic diagram of the half-open position of oil-net structure in the adjustable range hood of 1 incoming air area of the embodiment of the present invention；
Fig. 9 is the schematic diagram of the full off state of oil-net structure in the adjustable range hood of 1 incoming air area of the embodiment of the present invention；
Figure 10 is the flow chart of the control method of 2 range hood of the embodiment of the present invention.
Appended drawing reference is as follows:
1 --- cabinet, 2 --- exhaust fume collecting hood, 3 --- oil-net structure, 31 --- outer layer oil network, 311 --- first mounting hole,
312 --- the first air inlet slot, 32 --- air inlet of internal layer rotation net, 321 --- the second mounting hole, 322 --- second slot,
33 --- --- --- nut, 4 --- blower, 5 --- sensors of spring, 35 of stepper motor, 34.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Embodiment 1
The embodiment of the present invention 1 provides a kind of adjustable range hood of incoming air area, as illustrated in fig. 1 and 2 comprising cabinet 1,
The lower section of cabinet 1, exhaust fume collecting hood 2 is arranged in exhaust fume collecting hood 2, oil-net structure 3, blower 4, sensor 5 and controller, the exhaust fume collecting hood 2
On be provided with left air inlet and right air inlet, left air inlet and right air inlet are respectively provided with oil-net structure 3, and blower 4 and controller are equal
It is arranged in cabinet 1, sensor 5 is arranged on oil-net structure 3, and controller is connect with oil-net structure 3 and sensor 5 respectively, and
And the incoming air area of the concentration adjustment oil-net structure 3 of the oil smoke for being acquired according to sensor 5.
Oil-net structure 3 includes at least two layers of the oil network being arranged inside and outside, and at least two layers of oil network is provided with opposite air inlet, position
In internal layer oil network rotate setting, for changing the relative position of the air inlet of at least two layers oil network with adjust oil-net structure into
Wind area.
The present invention has been divided into left and right two parts for region is entered the wind by the left air inlet and right air inlet of exhaust fume collecting hood 2, left and right
The sensor 5 of air inlet can detect the concentration of the oil smoke of right and left air inlet respectively, and range hood can be according to the concentration of oil smoke
Determine air inlet region, additionally it is possible to the incoming air area for adjusting oil-net structure 3 according to the concentration of the oil smoke of right and left air inlet respectively, from
And when in use, by the size of automatic discrimination oil smoke generating region and oil smoke amount, the controller of smoke machine intelligently adjust left and right into
The open state in air port actively adjusts the opening area direction of air inlet towards oil smoke generating region, while adjusting smoke machine blower
Running speed reaches efficiently suction oil smoke, improves user experience to change kitchen ventilator suction size.
Wherein, the overall structure and decomposition texture of oil-net structure 3, as shown in Figures 3 and 4, oil-net structure 3 include outer oil
Net 31, internal layer rotation net 32 and stepper motor 33, internal layer rotation net 32 are close to outer layer oil network 31 and are arranged, and stepper motor 33 is fixed on
In exhaust fume collecting hood 2, the output shaft of stepper motor 33 sequentially passes through outer layer oil network 31 and internal layer rotation net 32, and stepper motor 33
The output shaft of output shaft and 31 clearance fit of outer layer oil network, stepper motor 33 is clamped with internal layer rotation net 32 and internal layer is driven to rotate
Net 32 is rotated for adjusting incoming air area；
Sensor 5 is set on the output shaft of stepper motor 33, for detecting the air quality in left and right air inlet region,
Therefore, it is determined that region and the concentration of oil smoke generation；
An oil-net structure 3 is respectively set in the left air inlet and right air inlet of exhaust fume collecting hood 2, which is the double-deck oil
Web frame, outer layer oil network 31 and internal layer rotation net 32 are arranged in parallel, outer layer oil network 31 be fixed on exhaust fume collecting hood 2 left air inlet and
Right air inlet, stepper motor 33 are arranged in exhaust fume collecting hood 2, and the output shaft of stepper motor 33 and the clamping of internal layer rotation net 32 are used
In driving internal layer rotation net 32 to rotate, the output shaft of stepper motor 33 further runs through outer layer oil network 31,31 pairs of outer layer oil network steps
Play the role of axial restraint into motor 33.
Wherein, oil-net structure 3 further includes spring 34, spring 34 be set on output shaft and be located at stepper motor 33 with it is interior
Between layer rotation net 32；
Also sheathed spring 34 on the output shaft of stepper motor 33, spring 34 be located at stepper motor 33 and internal layer rotation net 32 it
Between, and make internal layer rotation net 32 and 31 inner wall of outer layer oil network close to guaranteeing internal layer rotation net 32 and outer by the compressing of spring 34
Leakproofness between layer oil network 31.
Wherein, the structure of outer layer oil network 31, as shown in figure 5, outer layer oil network 31 is rectangular plate-like structure, outer layer oil network 31
It is provided centrally with the first mounting hole 311, is evenly arranged at least one first air inlet slot around first mounting hole 311
312, the first air inlet slot 312 is fan-shaped, and the area equation of each first air inlet slot 312, two neighboring first air inlet
Angle α between slot 312 is greater than the fan-shaped angle β of the first air inlet slot 312；
Wherein, the structure of internal layer rotation net 32, as shown in fig. 6, internal layer rotation net 32 is circular plate structure, internal layer rotation
Net 32 is provided centrally with the second mounting hole 321, is evenly arranged at least one second air intake duct around the second mounting hole 321
Hole 322, at least one second air inlet slot 322 match setting, the second air inlet slot at least one 312 hole of the first air intake duct
322 be sector, the area equation of each second air inlet slot 322, and the area and the first air intake duct of the second air inlet slot 322
The area equation in hole 312；
First air inlet slot 312 and the second air inlet slot 322 are sector structure, also, each first air inlet slot
312 is equal with each second air inlet shape same area of slot 322, the folder between two neighboring first air inlet slot 312
Angle α be greater than first air inlet slot 312 fan-shaped angle β, it is general first air inlet slot 312 fan-shaped angle β be 20 °, adjacent two
Angle α between a first air inlet slot 312 is 25 °, i.e., in the rotation process of internal layer rotation net 32, the second air inlet slot 322
It can be located between two neighboring first air inlet slot 312；When stepper motor 33 drives internal layer rotation net 32 to rotate, when internal layer revolves
Turn the first of the second air inlet slot 322 and outer layer oil network 31 of net 32 enter the wind slot 312 completely to it is corresponding when oil-net structure 3 be complete
Open state, when the half of the second air inlet slot 322 of internal layer rotation net 32 and the first of outer layer oil network 31 enter the wind slot 312
Half is corresponding, and when the other half is located between two neighboring first air inlet slot 312, oil-net structure 3 is half-open position, when internal layer revolves
When turning the second air inlet slot 322 of net 32 and being entirely located between two neighboring first air inlet slot 312, oil-net structure 3 is complete closes
State, and between stepper motor 33 and internal layer rotation net 32 spring 34 setting, can guarantee leakproofness when full off state；
In addition, controller controls the second air inlet slot 322 and the first of outer layer oil network 31 of internal layer rotation net 32 by stepper motor 33
Air inlet slot 312 is misaligned state, can be realized the free position between oil-net structure full-gear and full off state；
Specifically, the full-gear, half-open position of oil-net structure 3 and the schematic diagram of full off state, as Figure 7-9, when
The original state of the unlatching of oil-net structure 3 is set as full-gear, then by full-gear to half-open position, internal layer rotation net 32 needs
12.5 degree of rotation, full-gear directly arrives full off state, and internal layer rotation net 32 needs to rotate 25 degree, half-open position to Quan Guanzhuan
State, internal layer rotation net 32 need to rotate 12.5 degree, otherwise rotation angle is same；In addition, the oil-net structure 3 of right and left air inlet
Open state has controller independently to control.
Wherein, oil-net structure 3 further includes nut 35, and nut 35 is set in stepper motor 33 and exports the tip of the axis；Pass through spiral shell
Cap 35 and the electric 33 arbors positioning of stepping and protection, prevent user from touching the output shaft of the stepper motor 33 of operating.
Wherein, controller includes the first drive module, the second drive module and blower drive module；First drive module is used
In the incoming air area for adjusting left air inlet；Second drive module is used to adjust the incoming air area of right air inlet；Blower drive module
For adjusting the revolving speed of blower；
Specifically, the first drive module is connect with the sensor 5 of left air inlet and stepper motor 33 respectively, for according to biography
The region and oil smoke concentration control stepper motor 33 that the oil smoke of sensor detection generates change the second air inlet slot 322 and the first air inlet
The alignment of slot 312, so as to adjust the incoming air area of left air inlet；
Second drive module is connect with the sensor 5 of right air inlet and stepper motor 33 respectively, for being examined according to sensor
The region and oil smoke concentration control stepper motor 33 that the oil smoke of survey generates change the second air inlet slot 322 and the first air inlet slot
312 alignment, so as to adjust the incoming air area of right air inlet.
Embodiment 2
The embodiment of the present invention 2 provides a kind of control method of range hood, is applied to air intake surface as described in Example 1
The adjustable range hood of product, control flow chart, as shown in Figure 10, range hood, which is started using oil-net structure as full-gear, to be transported
Row；The concentration of the oil smoke of the left air inlet and right air inlet of sensor real-time detection range hood；The controller is according to sensing
The concentration that device acquires the oil smoke of any one air inlet adjusts the incoming air area of the oil-net structure of the air inlet.
Wherein, the concentration for the oil smoke that the controller acquires any one air inlet according to sensor adjusts the air inlet
Oil-net structure incoming air area, specifically: the controller according to sensor acquire any one air inlet oil smoke it is dense
It spends and determines whether the air inlet generates oil smoke, if it is determined that the air inlet does not generate oil smoke, then the controller adjustment
Oil-net structure is full off state；If it is determined that the air inlet generates oil smoke and the concentration of oil smoke is greater than the first upper limit threshold
When, it is full-gear that the controller, which keeps oil-net structure, if the air inlet generates oil smoke and the concentration of oil smoke is less than
When equal to the first lower threshold, the controller adjustment oil-net structure is half-open position.
Wherein, the concentration for the oil smoke that the controller acquires any one air inlet according to sensor determines the air inlet
Whether oil smoke is generated, specifically: when the concentration that the sensor acquires the oil smoke of any one air inlet is more than or equal to concentration threshold
When value, the controller determines that the air inlet generates oil smoke, when the sensor acquires the dense of the oil smoke of any one air inlet
When degree is less than concentration threshold, the controller determines that the air inlet does not generate oil smoke；
Specifically, concentration threshold is the minimum concentration for the oil smoke for judging that air inlet generates, generally 1mg/m3, when reaching
To concentration threshold, it is determined that there is oil smoke generation；The sensor 5 of left air inlet and right air inlet detect respectively left air inlet and it is right into
The concentration for the oil smoke that air port generates, and the concentration for the oil smoke that will test is sent to controller；Controller is by received left air inlet
The concentration of oil smoke be compared with concentration threshold, it is described when the concentration of the oil smoke of left air inlet is more than or equal to concentration threshold
Controller determines that the air inlet generates oil smoke, and when the concentration of the oil smoke of left air inlet is less than concentration threshold, the controller is true
The fixed air inlet does not generate oil smoke；Meanwhile controller carries out the concentration of the oil smoke of received right air inlet and concentration threshold
Compare, when the concentration of the oil smoke of right air inlet is more than or equal to concentration threshold, the controller determines that the air inlet generates oil smoke,
When the concentration of the oil smoke of right air inlet is less than concentration threshold, the controller determines that the air inlet does not generate oil smoke；If only
There is left air inlet to generate oil smoke, then the oil-net structure for adjusting right air inlet is full off state, and according to the concentration tune of oil smoke
The incoming air area of the oil-net structure of whole left air inlet；And if only right air inlet generates oil smoke, adjusts left air inlet
Oil-net structure be full off state, and adjust according to the concentration of oil smoke the incoming air area of the oil-net structure of right air inlet；If left
Air inlet and right air inlet generate oil smoke, then adjust separately the oil-net structure of left air inlet and right air inlet into
Wind area.
Wherein, if it is determined that described when the concentration of air inlet generation oil smoke and oil smoke is greater than the first upper limit threshold
It is full-gear that controller, which keeps oil-net structure, if the air inlet generates oil smoke and the concentration of oil smoke is less than or equal to first
When lower threshold, the controller adjustment oil-net structure is half-open position, specifically:
Since the working condition of oil-net structure 3 includes full-gear, half-open position and full off state, the work of oil-net structure 3
It is that selection is carried out according to the height of the concentration of oil smoke as state；The setting of first upper limit threshold and the first lower threshold is for selecting
The working condition of oil network is selected, the first upper limit threshold can illustrate that the oil smoke amount of air inlet is larger, then select the work of oil-net structure
Making state is full-gear, and the first upper limit threshold is generally 6mg/m3, the first lower threshold can illustrate the oil smoke of air inlet
Amount is smaller, then selects the working condition of oil-net structure for half-open position, the first lower threshold is generally 3mg/m3；In addition, control
Device can also control oil-net structure and rotate to the free position between full-gear and full off state；
Wherein, this method further includes that the controller acquires the total of the concentration of the oil smoke of all air inlets according to sensor
With the revolving speed of adjustment blower；
The controller acquires the revolving speed of the summation adjustment blower of the concentration of the oil smoke of all air inlets, tool according to sensor
Body are as follows: when the summation of the concentration of the oil smoke of all air inlets is more than or equal to the second upper limit threshold, the controller adjustment
The revolving speed of blower be high gear, when the oil smoke of all air inlets concentration summation less than the second upper limit threshold and be greater than etc.
When the second lower threshold, the revolving speed of the controller adjustment blower is middle gear, when the concentration of the oil smoke of all air inlets
Summation less than the second lower threshold when, the revolving speed of controller adjustment blower is low gear；
Specifically, since the work gear of blower 4 includes high gear, middle gear and low gear, and the work gear of blower 4 is basis
The height of the concentration summation of the oil smoke of left air inlet and right air inlet carries out selection；Second upper limit threshold and the second lower threshold
Setting for selecting the work gear of blower 4, the second upper limit threshold is generally 10mg/m3, the second lower threshold is generally
3mg/m3；
The sensor 5 of left air inlet and right air inlet detects the dense of the oil smoke that left air inlet and right air inlet generate respectively
Degree, and the concentration for the oil smoke that will test is sent to controller；The oil smoke of the received left air inlet of controller and right air inlet it is dense
Degree, and by the summation of the concentration of left air inlet and the oil smoke of right air inlet respectively with the second upper limit threshold and the second lower threshold into
Row compares, when the summation of the concentration of left air inlet and the oil smoke of right air inlet is more than or equal to the second upper limit threshold, controller tune
The revolving speed of rectification campaign machine is high gear；When left air inlet and the oil smoke of right air inlet concentration summation less than the second upper limit threshold and
When more than or equal to the second lower threshold, the revolving speed that controller adjusts blower is middle gear；When the oil smoke of left air inlet and right air inlet
Concentration summation less than the second lower threshold when, controller adjust blower revolving speed be low gear.
In conclusion the adjustable range hood of incoming air area provided by the invention and its control method, pass through exhaust fume collecting hood
Left air inlet and right air inlet have been divided into left and right two parts for region is entered the wind, and the sensor of right and left air inlet can detect a left side respectively
The concentration of the oil smoke of right air inlet, range hood can determine air inlet region according to the concentration of oil smoke, additionally it is possible to respectively according to a left side
The incoming air area of the concentration adjustment oil-net structure of the oil smoke of right air inlet, thus, when in use, generated by automatic discrimination oil smoke
The size in region and oil smoke amount, the controller of smoke machine intelligently adjust the open state of right and left air inlet, actively adjust air inlet
Area direction is opened towards oil smoke generating region, while adjusting smoke machine blower running speed, thus change kitchen ventilator suction size,
Reach efficiently suction oil smoke, improves user experience；
When left side gas-cooker is used only, the oil-net structure of left air inlet is opened, closes the oil-net structure of right side air inlet,
While the oil smoke that kitchen range generates on the left of absorption, air-admitting surface reduces, so that intake velocity be made to improve, enhances negative pressure, makes
Effective negative pressuren zone generates point closer to oil smoke, and before oil smoke diffusion, just suction is fallen completely, significant increase oil smoke suction effect
Fruit；
In addition to this, air inlet can be adjusted (half-open position) between completely closing and fully opening, such as left
Air inlet is half-open position, which reduces, and right air inlet standard-sized sheet, then the air inflow of the side will increase, and utilize this side
Formula can be realized the multiple combinations mode of air inlet, suitably adjust air inflow, wind speed and the negative pressure of distribution right and left air inlet
Distributed areas promote the practical smoking effect of range hood.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.
Claims (11)
1. a kind of adjustable range hood of incoming air area, which is characterized in that it includes cabinet (1), exhaust fume collecting hood (2), oil-net structure
(3), blower (4), sensor (5) and controller, the exhaust fume collecting hood (2) are arranged in the lower section of cabinet (1), the exhaust fume collecting hood (2)
On be provided with left air inlet and right air inlet, the left air inlet and right air inlet are respectively provided with oil-net structure (3), the blower
(4) it is arranged in cabinet (1) with controller, the sensor (5) is arranged on oil-net structure (3), the controller difference
It is connect with oil-net structure (3) and sensor (5), and the concentration of the oil smoke for being acquired according to sensor (5) adjusts oil network knot
The incoming air area of structure (3).
2. the adjustable range hood of incoming air area according to claim 1, which is characterized in that oil-net structure (3) packet
At least two layers of the oil network being arranged inside and outside is included, at least two layers of oil network is provided with opposite air inlet, positioned at the oil of internal layer
Net rotation setting, the air intake surface of oil-net structure is adjusted for changing the relative position of the air inlet of at least two layers oil network
Product.
3. the adjustable range hood of incoming air area according to claim 2, which is characterized in that oil-net structure (3) packet
Outer layer oil network (31), internal layer rotation net (32) and stepper motor (33) are included, the internal layer rotation net (32) is close to outer layer oil network
(31) it is arranged, the stepper motor (33) is fixed in exhaust fume collecting hood (2), and the output shaft of the stepper motor (33) sequentially passes through outer
Layer oil network (31) and internal layer rotation net (32), and the output shaft of the stepper motor (33) is matched with outer layer oil network (31) gap
It closes, the output shaft of the stepper motor (33) is clamped with internal layer rotation net (32) and internal layer rotation net (32) is driven to rotate for adjusting
Whole incoming air area.
4. the adjustable range hood of incoming air area according to claim 3, which is characterized in that the oil-net structure (3) is also
Including spring (34), the spring (34) be set on output shaft and be located at stepper motor (33) and internal layer rotation net (32) it
Between.
5. the adjustable range hood of incoming air area according to claim 4, which is characterized in that the outer layer oil network (31) is
Rectangular plate-like structure, the outer layer oil network (31) are provided centrally with the first mounting hole (311), around first mounting hole
(311) it is evenly arranged at least one first air inlet slot (312), first air inlet slot (312) is sector, and each
The area equation of first air inlet slot (312), the two neighboring described first angle α entered the wind between slot (312) are greater than
The fan-shaped angle β of first air inlet slot (312).
6. the adjustable range hood of incoming air area according to claim 5, which is characterized in that the internal layer rotation net (32)
For circular plate structure, the internal layer rotation net (32) is provided centrally with the second mounting hole (321), around second installation
Hole (321) is evenly arranged at least one second air inlet slot (322), and second air inlet slot (322) is sector, Mei Gesuo
State the area equation of the second air inlet slot (322), and the area of second air inlet slot (322) and the first air inlet slot
(312) area equation.
7. according to the adjustable range hood of incoming air area described in claim 3-6 any one, which is characterized in that the oil network
Structure (3) further includes nut (35), and the nut (35) is set in stepper motor (33) output the tip of the axis.
8. a kind of control method of range hood, the incoming air area being applied to as described in claim 1-7 any one is adjustable
Range hood, which is characterized in that range hood using oil-net structure as full-gear start run；Sensor real-time detection oil suction
The concentration of the oil smoke of the left air inlet and right air inlet of smoke machine；The controller acquires any one air inlet according to sensor
The concentration of oil smoke adjusts the incoming air area of the oil-net structure of the air inlet.
9. the control method of range hood according to claim 8, which is characterized in that the controller is adopted according to sensor
Collect the oil smoke of any one air inlet concentration adjust the air inlet oil-net structure incoming air area, specifically: the control
The concentration for the oil smoke that device processed acquires any one air inlet according to sensor determines whether the air inlet generates oil smoke, if really
The fixed air inlet does not generate oil smoke, then the controller adjustment oil-net structure is full off state；If it is determined that the air inlet
When the concentration of place's generation oil smoke and oil smoke is greater than the first upper limit threshold, it is full-gear that the controller, which keeps oil-net structure,
If the concentration of air inlet generation oil smoke and oil smoke is less than or equal to the first lower threshold, the controller adjusts oil network
Structure is half-open position.
10. the control method of range hood according to claim 9, which is characterized in that the controller is according to sensor
The concentration for acquiring the oil smoke of any one air inlet determines whether the air inlet generates oil smoke, specifically: when the sensor
When acquiring the concentration of the oil smoke of any one air inlet more than or equal to concentration threshold, the controller determines that the air inlet generates oil
Cigarette, when the concentration that the sensor acquires the oil smoke of any one air inlet is less than concentration threshold, the controller determines should
Air inlet does not generate oil smoke.
11. according to the control method of range hood described in claim 8-10 any one, which is characterized in that this method is also wrapped
It includes, the controller acquires the revolving speed of the summation adjustment blower of the concentration of the oil smoke of all air inlets according to sensor；
The controller acquires the revolving speed of the summation adjustment blower of the concentration of the oil smoke of all air inlets according to sensor, specifically
Are as follows: when the summation of the concentration of the oil smoke of all air inlets is more than or equal to the second upper limit threshold, the controller adjusts wind
The revolving speed of machine is high gear, when the summation of the concentration of the oil smoke of all air inlets less than the second upper limit threshold and is more than or equal to
When the second lower threshold, the revolving speed of controller adjustment blower is middle gear, when the concentration of the oil smoke of all air inlets
When summation is less than the second lower threshold, the revolving speed of the controller adjustment blower is low gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810575837.7A CN110207202A (en) | 2018-06-06 | 2018-06-06 | Range hood with adjustable air inlet area and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810575837.7A CN110207202A (en) | 2018-06-06 | 2018-06-06 | Range hood with adjustable air inlet area and control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110207202A true CN110207202A (en) | 2019-09-06 |
Family
ID=67779073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810575837.7A Pending CN110207202A (en) | 2018-06-06 | 2018-06-06 | Range hood with adjustable air inlet area and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110207202A (en) |
Cited By (6)
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| CN111288527A (en) * | 2020-03-31 | 2020-06-16 | 宁波方太厨具有限公司 | Fume exhaust fan |
| CN111351083A (en) * | 2020-03-10 | 2020-06-30 | 海信(广东)厨卫系统有限公司 | Range hood and control method and device thereof |
| CN111591956A (en) * | 2020-07-01 | 2020-08-28 | 北京理工大学 | Portable controllable hydrogen production device |
| CN112856523A (en) * | 2021-01-15 | 2021-05-28 | 宁波方太厨具有限公司 | Fume exhaust fan |
| CN113108340A (en) * | 2021-04-02 | 2021-07-13 | 宁波方太厨具有限公司 | Air inlet assembly and range hood with same |
| CN115839514A (en) * | 2023-02-24 | 2023-03-24 | 杭州老板电器股份有限公司 | Control method of range hood |
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