CN208418866U - Range hood with adjustable air inlet area - Google Patents
Range hood with adjustable air inlet area Download PDFInfo
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- CN208418866U CN208418866U CN201820870536.2U CN201820870536U CN208418866U CN 208418866 U CN208418866 U CN 208418866U CN 201820870536 U CN201820870536 U CN 201820870536U CN 208418866 U CN208418866 U CN 208418866U
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- 239000000779 smoke Substances 0.000 claims abstract description 108
- 239000003517 fume Substances 0.000 claims description 20
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 235000019504 cigarettes Nutrition 0.000 description 2
- 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
- 239000004744 fabric Substances 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
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Abstract
The utility model discloses a range hood with adjustable air inlet area, 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 the oil smoke collected by the sensor, thus, the utility model can automatically judge the size of an oil smoke generating area and the oil smoke volume, 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 inlet towards the oil smoke generating area, and simultaneously, reach high-efficient suction oil smoke, improve user and use and experience.
Description
Technical field
The utility model belongs to kitchen ventilator technical field, and in particular to a kind of adjustable range hood of incoming air area.
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.
Utility model content
For overcome the deficiencies in the prior art, the purpose of the utility model is to provide a kind of adjustable oil suctions of incoming air area
Smoke machine.
The technical solution of the utility model is achieved in that
The utility model embodiment provides a kind of adjustable range hood of incoming air area comprising cabinet, exhaust fume collecting hood, oil network
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
Mouth and 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 case
In vivo, the sensor is arranged on oil-net structure, and the controller is connect with oil-net structure and sensor respectively, and is used for
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.
Compared with prior art, the utility model embodiment provides a kind of adjustable range hood of incoming air area comprising
The lower section of cabinet, the collection cigarette is arranged in cabinet, exhaust fume collecting hood, oil-net structure, blower, sensor and controller, the exhaust fume collecting hood
Be provided with left air inlet and right air inlet on cover, the left air inlet and right air inlet are respectively provided with oil-net structure, the blower and
Controller is arranged in cabinet, and the sensor is arranged on oil-net structure, the controller respectively with oil-net structure and biography
Sensor connection, and the incoming air area of the concentration adjustment oil-net structure of the oil smoke for being acquired according to sensor, in this way, this is practical
It is novel that left and right two parts, the sensing of right and left air inlet have been divided into for region is entered the wind by the left air inlet and right air inlet of exhaust fume collecting hood
Device can detect the concentration of the oil smoke of right and left air inlet respectively, and range hood can determine air inlet region according to the concentration of oil smoke,
The incoming air area of oil-net structure can also be adjusted according to the concentration of the oil smoke of right and left air inlet respectively, thus, when in use, pass through
The size of automatic discrimination oil smoke generating region and oil smoke amount, the controller of smoke machine intelligently adjust the open state of right and left air inlet,
The opening area direction of air inlet is actively adjusted towards oil smoke generating region, while adjusting smoke machine blower running speed, to change
Become kitchen ventilator suction size, reaches efficiently suction oil smoke, improve user experience.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the adjustable range hood of incoming air area of the utility model embodiment;
Fig. 2 is a kind of side sectional view of the adjustable range hood of incoming air area of the utility model embodiment;
Fig. 3 is the partial enlarged view in Fig. 2 at A;
Fig. 4 is the exploded view of oil-net structure in a kind of adjustable range hood of incoming air area of the utility model embodiment;
Fig. 5 is the structural representation of outer layer oil network in a kind of adjustable range hood of incoming air area of the utility model embodiment
Figure;
Fig. 6 is the structural representation of internal layer rotation net in a kind of adjustable range hood of incoming air area of the utility model embodiment
Figure;
Fig. 7 is the full-gear of oil-net structure in a kind of adjustable range hood of incoming air area of the utility model embodiment
Schematic diagram;
Fig. 8 is the half-open position of oil-net structure in a kind of adjustable range hood of incoming air area of the utility model embodiment
Schematic diagram;
Fig. 9 is the full off state of oil-net structure in a kind of adjustable range hood of incoming air area of the utility model embodiment
Schematic diagram;
Figure 10 is a kind of control flow chart of the adjustable range hood of incoming air area of the utility model.
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 purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
The utility model embodiment provides a kind of adjustable range hood of incoming air area, as illustrated in fig. 1 and 2 comprising case
The lower section of cabinet 1 is arranged in body 1, exhaust fume collecting hood 2, oil-net structure 3, blower 4, sensor 5 and controller, the exhaust fume collecting hood 2, collects cigarette
It is provided with left air inlet and right air inlet on cover 2, left air inlet and right air inlet are respectively provided with oil-net structure 3, blower 4 and controller
It being 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 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 utility model 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,
The sensor 5 of right and left air inlet can detect the concentration of the oil smoke of right and left air inlet respectively, and range hood can be according to oil smoke
Concentration determines air inlet region, additionally it is possible to the incoming air area of oil-net structure 3 is adjusted according to the concentration of the oil smoke of right and left air inlet respectively,
To which when in use, by the size of automatic discrimination oil smoke generating region and oil smoke amount, the controller of smoke machine intelligently adjusts left and right
The open state of air inlet actively adjusts the opening area direction of air inlet towards oil smoke generating region, while adjusting smoke machine wind
Machine 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, and outer layer oil network 31 is fixed on left air inlet and the right side of exhaust fume collecting hood 2
Air inlet, stepper motor 33 are arranged in exhaust fume collecting hood 2, and the output shaft of stepper motor 33 is used for the clamping of internal layer rotation net 32
Internal layer rotation net 32 is driven to rotate, the output shaft of stepper motor 33 further runs through outer layer oil network 31, and outer layer oil network 31 is to stepping
Motor 33 plays the role of axial restraint.
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 inlet slot around the second mounting hole 321
322, at least one second air inlet slot 322 matches setting, the second air inlet slot 322 at least one 312 hole of the first air intake duct
For sector, the area equation of each second air inlet slot 322, and the area of the second air inlet slot 322 and the first air inlet slot
312 area equation;
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 one of the first air inlet slot 312 of the half and outer layer oil network 31 of the second air inlet slot 322 of internal layer rotation net 32
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 rotates
When second air inlet slot 322 of net 32 is entirely located between two neighboring first air inlet slot 312, oil-net structure 3 is full pass shape
State, and between stepper motor 33 and internal layer rotation net 32 spring 34 setting, can guarantee leakproofness when full off state;Separately
Outside, controller by stepper motor 33 control internal layer rotation net 32 second air inlet slot 322 and outer layer oil network 31 first into
Wind groove hole 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 arrive full off state, and internal layer rotation net 32 needs to rotate 25 degree, and half-open position closes shape to complete
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.
The utility model embodiment provides a kind of control flow of adjustable range hood of incoming air area, as shown in Figure 10,
Its control method are as follows: range hood, which is started using oil-net structure as full-gear, to be run;A left side for sensor real-time detection range hood
The concentration of the oil smoke of air inlet and right air inlet;The controller according to sensor acquire any one air inlet oil smoke it is dense
Degree 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
Concentration threshold, it is determined that have oil smoke generation;The sensor 5 of left air inlet and right air inlet detects left air inlet and right air inlet respectively
The concentration for the oil smoke that mouth 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 is compared with concentration threshold, when the concentration of the oil smoke of left air inlet is more than or equal to concentration threshold, the control
Device processed 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 determined
The air inlet does not generate oil smoke;Meanwhile controller compares the concentration of the oil smoke of received right air inlet with concentration threshold
Compared with, 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
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
Left air inlet generates oil smoke, then the oil-net structure for adjusting right air inlet is full off state, and is adjusted according to the concentration of oil smoke
The incoming air area of the oil-net structure of left air inlet;And if only right air inlet generates oil smoke, adjusts left air inlet
Oil-net structure is full off state, and adjusts according to the concentration of oil smoke the incoming air area of the oil-net structure of right air inlet;If it is left into
At air port and right air inlet generates oil smoke, then adjusts separately the air inlet of the oil-net structure of left air inlet and right air inlet
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 top grade, 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-grade, 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 grade;
Specifically, since the operation range of blower 4 includes high-grade, middle-grade and low grade, the operation range of blower 4 are bases
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 operation range 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 top grade;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-grade;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 grade.
In conclusion the adjustable range hood of a kind of incoming air area provided by the utility model, by exhaust fume collecting hood it is left into
Air port and right air inlet will enter the wind region and be divided into left and right two parts, the sensor of right and left air inlet can detect respectively left and right into
The concentration of the oil smoke in air port, range hood can according to the concentration of oil smoke determine air inlet region, additionally it is possible to respectively according to left and right into
The incoming air area of the concentration adjustment oil-net structure of the oil smoke in air port, thus, when in use, pass through automatic discrimination oil smoke generating region
With the size of oil smoke amount, the controller of smoke machine intelligently adjusts the open state of right and left air inlet, actively adjusts the opening of air inlet
Area direction adjusts smoke machine blower running speed towards oil smoke generating region, to change kitchen ventilator suction size, reaches
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, half-open position can be adjusted between completely closing and fully opening in air inlet), for example, it is left into
Air port is half-open position, which reduces, and right air inlet standard-sized sheet, then the air inflow of the side will increase, in the way of this
It can be realized the multiple combinations mode of air inlet, suitably adjust air inflow, wind speed and the negative pressure point of distribution right and left air inlet
Cloth region promotes the practical smoking effect of range hood.
The above, the only preferred embodiment of the utility model, are not intended to limit the protection of the utility model
Range.
Claims (7)
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 a kind of incoming air area according to claim 2, which is characterized in that the oil-net structure
It (3) include outer layer oil network (31), internal layer rotation net (32) and stepper motor (33), the internal layer rotation net (32) is close to outer oil
Net (31) setting, the stepper motor (33) are 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 a kind of incoming air area according to claim 3, which is characterized in that the oil-net structure
It (3) further include spring (34), the spring (34) is set on output shaft and is located at stepper motor (33) and internal layer rotation net
(32) between.
5. the adjustable range hood of a kind of incoming air area according to claim 4, which is characterized in that the outer layer oil network
It (31) is rectangular plate-like structure, the outer layer oil network (31) is provided centrally with the first mounting hole (311), around first peace
Dress hole (311) is evenly arranged at least one first air inlet slot (312), and first air inlet slot (312) is sector, and
The area equation of each first air inlet slot (312), two neighboring described first enters the wind the angle α between slot (312)
Greater than the fan-shaped angle β of first air inlet slot (312).
6. the adjustable range hood of a kind of incoming air area according to claim 5, which is characterized in that the internal layer rotation net
It (32) is circular plate structure, the internal layer rotation net (32) is provided centrally with the second mounting hole (321), around described second
Mounting hole (321) is evenly arranged at least one second air inlet slot (322), and second air inlet slot (322) is sector, often
The area equation of a second air inlet slot (322), and the area and the first air intake duct of second air inlet slot (322)
The area equation in hole (312).
7. a kind of adjustable range hood of incoming air area according to claim 3-5 any one, which is characterized in that described
Oil-net structure (3) further includes nut (35), and the nut (35) is set in stepper motor (33) output the tip of the axis.
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CN201820870536.2U CN208418866U (en) | 2018-06-06 | 2018-06-06 | Range hood with adjustable air inlet area |
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CN201820870536.2U CN208418866U (en) | 2018-06-06 | 2018-06-06 | Range hood with adjustable air inlet area |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110056930A (en) * | 2019-05-30 | 2019-07-26 | 杭州老板电器股份有限公司 | Smoke collecting device and kitchen ventilator |
CN110186083A (en) * | 2019-05-09 | 2019-08-30 | 宁波方太厨具有限公司 | A kind of energy-saving control method of fume purifier of fume and the device |
CN110207202A (en) * | 2018-06-06 | 2019-09-06 | 华帝股份有限公司 | Range hood with adjustable air inlet area and control method thereof |
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