CN205402854U - Range hood - Google Patents

Range hood Download PDF

Info

Publication number
CN205402854U
CN205402854U CN201620175864.1U CN201620175864U CN205402854U CN 205402854 U CN205402854 U CN 205402854U CN 201620175864 U CN201620175864 U CN 201620175864U CN 205402854 U CN205402854 U CN 205402854U
Authority
CN
China
Prior art keywords
spiral case
fairing
range hood
flue gas
flue
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.)
Active
Application number
CN201620175864.1U
Other languages
Chinese (zh)
Inventor
蒋济武
胡永
季俊生
顾卓淳
宋祖龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhu Midea Smart Kitchen Appliance Manufacturing Co Ltd
Original Assignee
Midea Group Co Ltd
Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Midea Group Co Ltd, Guangdong Midea Kitchen Appliances Manufacturing Co Ltd filed Critical Midea Group Co Ltd
Priority to CN201620175864.1U priority Critical patent/CN205402854U/en
Application granted granted Critical
Publication of CN205402854U publication Critical patent/CN205402854U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a range hood, include: a housing. The spiral case fan, the spiral case fan is established in the casing, the flue gas passageway with spiral case air intake intercommunication has in the casing, fairing, fairing establishes in the flue gas passageway, fairing with inject the rectification flue between the spiral case air intake, adjusting device, adjusting device with fairing links to each other and is used for the drive fairing rotates in order to increase or to reduce around the pivot axis the flue gas flux of rectification flue in the inside unit interval. According to the utility model discloses range hood rotates in order to increase or to reduce the flue gas flux of rectification flue in the inside unit interval around the pivot axis through adjusting device drive fairing to avoid the oil smoke to produce the cyclone before in leading -in spiral case, stream and the noise, and then effectively reduced range hood's noise at work and air loss.

Description

Range hood
Technical field
This utility model relates to an electro-technical field, more particularly, to a kind of range hood.
Background technology
At top-sucking kitchen ventilator, particularly in T-shaped top-sucking kitchen ventilator, spiral case blower fan constantly rotates so that forming negative pressure region in spiral case, and the oil smoke on the kitchen range top constantly rises in exhaust gases passes, is then introduced into spiral case.Owing to the front side of spiral case air inlet lacks effective fairing, oil smoke easily produced cyclone before importing spiral case, streams and noise.
Utility model content
This utility model is intended to solve at least to a certain extent one of above-mentioned technical problem.
For this, the utility model proposes a kind of range hood, this range hood operating noise is low, and wind loss is little.
Range hood according to this utility model embodiment includes: casing;Spiral case blower fan, described spiral case blower fan is located in described casing, has the exhaust gases passes connected with spiral case air inlet in described casing;Fairing, described fairing is located in described exhaust gases passes, limits rectification flue between described fairing and described spiral case air inlet;Regulating device, described adjustment device is connected with described fairing and for driving described fairing around pivotal axis to increase or to reduce the flue gas flow in the described rectification flue internal unit time.
Range hood according to this utility model embodiment, drive fairing around pivotal axis to increase or to reduce the flue gas flow in the rectification flue internal unit time by regulating device, before importing in spiral case, produce cyclone thus avoiding oil smoke, stream and noise, and then effectively reduce operating noise and the wind loss of range hood.
It addition, according to range hood of the present utility model, it is also possible to there is following additional technical characteristic:
According to an embodiment of the present utility model, the lower end of described fairing is connected pivotly with the front face of described casing, and the upper end of described fairing is connected with described adjustment device.
According to an embodiment of the present utility model, described adjustment device includes: support, on described the front face being erected at described casing;Actuator, described actuator is installed on the bracket;Link assembly, described link assembly one end is connected with described actuator, and the other end of described link assembly is connected with the upper end of described fairing, and described actuator drives described fairing around described pivotal axis by described link assembly.
According to an embodiment of the present utility model, described actuator is drive motor or drives cylinder or drive oil cylinder.
According to an embodiment of the present utility model, described spiral case blower fan has motor;Described range hood is provided with control unit, described control unit is connected with described motor and described actuator respectively, described control unit controls the described actuator described fairing of driving based on the rotating speed of described motor, so that the flue gas flow in the described rectification flue internal unit time changes with the rotating speed of described motor with being proportionate.
According to an embodiment of the present utility model, described spiral case blower fan has motor;Described range hood is provided with control unit and smoke detectors, described control unit is connected with described motor and described smoke detectors respectively, described control unit controls described actuator based on the smoke signal that described smoke detectors detects and drives described fairing, so that the flue gas flow in the described rectification flue internal unit time changes with the rotating speed of described motor with being proportionate, wherein said smoke detectors is flue gas flow sensor or flue gas wind pressure sensor.
According to an embodiment of the present utility model, connecting plate, described connecting plate is installed on the front face of described casing, and described connecting plate and described fairing are respectively arranged with axle sleeve, being equipped with bearing pin in described axle sleeve, the central axis of described bearing pin is described pivot axis.
According to an embodiment of the present utility model, described fairing is configured to cowling panel, and described cowling panel is arranged on the front side of described spiral case air inlet obliquely.
Residing for an embodiment of the present utility model, the upper end of described cowling panel and described spiral case air inlet, the distance of plane is L1, and residing for the lower end of described cowling panel and described spiral case air inlet, the distance of plane is L2, wherein L1 < L2.
According to an embodiment of the present utility model, the upper surface of described cowling panel extends above the top of the spiral case of described spiral case blower fan, and the lower surface of described cowling panel downwardly extends the bottom beyond described spiral case.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become apparent from the description below, or is recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage are from conjunction with will be apparent from easy to understand the accompanying drawings below description to embodiment, wherein:
Fig. 1 is the partial exploded view of the range hood according to one embodiment of this utility model;
Fig. 2 is the sectional view of the range hood fore-and-aft direction according to one embodiment of this utility model;
Fig. 3 is the partial exploded view of the range hood according to one embodiment of this utility model;
Fig. 4 is the axonometric chart of the adjusting apparatus according to one embodiment of this utility model;
Fig. 5 is the sectional view of the range hood fore-and-aft direction according to another embodiment of this utility model;
Fig. 6 is the sectional view of the range hood left and right directions according to another embodiment of this utility model.
Accompanying drawing labelling:
Range hood 100;
Casing 10;Exhaust gases passes 11;Front face 12;Air outlet 13;
Spiral case blower fan 20;Spiral case 21;Wind wheel 22;Motor 23;Spiral case air inlet 24;Spiral case air outlet 25;
Fairing 30;Rectification flue 31;Windward side 32;Connecting plate 33;Axle sleeve 34;Bearing pin 35;
Regulate device 40;Support 41;Actuator 42;Link assembly 43;Spring assembly 44;
Exhaust fume collecting hood 60;Exhaust fume collecting hood air outlet 61;
Lubricating cup 70.
Detailed description of the invention
Being described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of same or like function from start to finish.The embodiment described below with reference to accompanying drawing is illustrative of, it is intended to be used for explaining this utility model, and it is not intended that to restriction of the present utility model.
Below with reference to Fig. 1-Fig. 6, the range hood 100 according to this utility model embodiment is described.
As it is shown in figure 1, the range hood 100 according to this utility model embodiment substantially may include that casing 10, spiral case blower fan 20, fairing 30 and exhaust fume collecting hood 60.Wherein, with reference to shown in Fig. 1 and Fig. 6, spiral case blower fan 20 can include spiral case 21, wind wheel 22 and motor 23.Wind wheel 22 is accommodated in spiral case 21, and motor 23 is positioned at wind wheel 22 and is connected with wind wheel 22 for driving wind wheel 22 to rotate, and the rotation axis of wind wheel 22 can along horizontal orientation, and in other words, wind wheel 22 and motor 23 are horizontally disposed.Being formed with spiral case air inlet 24 and spiral case air outlet 25 on spiral case 21, spiral case air inlet 24 can be formed on the front surface of spiral case 21, but is not limited to this.
Spiral case blower fan 20 is located in casing 10; casing 10 can be formed as the cuboid of hollow; exhaust fume collecting hood 60 can be arranged on the bottom of casing 10; it is internal that spiral case blower fan 20 entirety is accommodated in casing 10; it is to say, spiral case blower fan 20 is hidden in casing 10 inside, thus improve the outward appearance of range hood 100; spiral case blower fan 20 also can be protected by casing 10 simultaneously, and noise is reduced.As Figure 1-Figure 2, there is in casing 10 exhaust gases passes 11 connected with spiral case air inlet 24.As in the figure 2 example, exhaust gases passes 11 is the passage between the front face 12 of spiral case blower fan 20 front surface and casing 10.
When range hood 100 works, motor 23 drives wind wheel 22 to rotate and makes to be formed in spiral case 21 negative pressure region, oil smoke on the kitchen range top constantly rises in exhaust gases passes 11, it is then introduced in spiral case 21, oil smoke is separated under the influence of centrifugal force, wherein, cigarette is discharged from the air outlet 13 of casing 10, and oil then drips gathering and drops in lubricating cup 70.
As shown in Figure 2 and Figure 5, fairing 30 is located in exhaust gases passes 11 and relative with spiral case air inlet 24, as just to (Fig. 1-Fig. 2 embodiment is dead ahead), rectification flue 31 is limited between fairing 30 and spiral case air inlet 24, such as the example with reference to Fig. 2, the passage formed between front surface and the rear surface of fairing 30 that this rectification flue 31 is spiral case blower fan 20, in the example of this Fig. 2, a part for rectification flue 31 substantially exhaust gases passes, it is adjustable to increase or to reduce the flue gas flow in the rectification flue 31 internal unit time that fairing 30 is arranged to relative spiral case air inlet 24 position.
Flue gas flow in the rectification flue 31 internal unit time is not for changeless, when the air quantity in range hood 100 unit interval is less (rotating speed such as motor 23 is relatively low), namely the flue gas flow entering exhaust gases passes 11 in the unit interval is less, and relative spiral case air inlet 24 position of rectification flue 31 is made adaptive adjustment and the flue gas flow in the rectification flue 31 internal unit time is reduced;nullWhen the air quantity in range hood 100 unit interval is bigger (rotating speed such as motor 23 is higher),Namely the flue gas flow entering exhaust gases passes 11 in the unit interval is bigger,Relative spiral case air inlet 24 position of rectification flue 31 is made adaptive adjustment and the flue gas flow in the rectification flue 31 internal unit time is reduced,In other words,The flue gas circulation area of rectification flue 31 is changed after relative spiral case air inlet 24 position adjustments of rectification flue 31,The increase of this flue gas circulation area or reduction make increased accordingly by the exhaust gas volumn of rectification flue 31 or reduced in the unit interval,As when exhaust gas volumn is bigger,By adjusting fairing 30 so that the volume of rectification flue 31 and flue gas circulation area become big,And when exhaust gas volumn is less,By adjusting fairing 30 so that volume and the flue gas circulation area of rectification flue 31 diminish.
That is, the adjustment of adaptation can be made in relative spiral case air inlet 24 position of fairing 30 according to the air force in range hood 100 unit interval so that the flue gas flow that rectification flue 31 unit interval holds has good concertedness with the air quantity in range hood 100 unit interval.So, different air quantity are respectively provided with rectified action by fairing 30, thus, it is to avoid oil smoke produced cyclone before importing in spiral case 21, streams and noise, and then the effectively operating noise of reduction range hood 100 and wind loss.
In brief, range hood 100 according to this utility model embodiment, adjustable to increase or to reduce the flue gas flow in the rectification flue 31 internal unit time by fairing 30 being arranged to relative spiral case air inlet 24 position, before importing in spiral case 21, produce cyclone thus avoiding oil smoke, stream and noise, and then effectively reduce operating noise and the wind loss of range hood 100.
In a specific embodiment of the present utility model, the flue gas flow in the rectification flue 31 internal unit time changes with the rotating speed of motor 23 with being proportionate.It is to say, when motor 23 rotating speed increases, by adjusting the position of fairing 30 so that the flue gas flow in the rectification flue 31 internal unit time also synchronizes to increase;When motor 23 rotating speed reduces, by adjusting the position of fairing 30 so that the flue gas flow in the rectification flue 31 internal unit time also synchronizes to reduce.So, user is when increasing or reduce motor 23 rotating speed, by adjusting the position of fairing 30, so that the flue gas flow in the rectification flue 31 internal unit time can change with the rotating speed of motor 23 with being proportionate, before importing in spiral case 21, produce cyclone thus being prevented effectively from oil smoke, stream and noise, and then effectively reduce operating noise and the wind loss of range hood 100.
In embodiments more of the present utility model, fairing 30 is it is so structured that cowling panel.Cowling panel can be located at the front face 12 of casing 10 and be arranged on the front side of spiral case air inlet 24 obliquely.The oil smoke risen can flow into the inside of spiral case 21 along the inclined plane of cowling panel, it is to avoid the dispersion of air-flow, such that it is able to eliminate oil smoke cyclone.And the disappearance of cyclone can reduce the loss of range hood air quantity and noise.
In a specific embodiment of the present utility model, as shown in Figure 2 and Figure 5, cowling panel tilts to extend to the rear surface direction of casing 10 from the front face 12 of casing 10.Wherein, residing for the upper end of cowling panel and spiral case air inlet 24, the distance of plane is L1, and residing for the lower end of cowling panel and spiral case air inlet 24, the distance of plane is L2, wherein L1 < L2.It is to say, the circulation area of rectification flue 31 horizontal direction is gradually reduced from bottom to top.Thus, rectification effect is better, and flue gas is more easy to and enters into spiral case 21 inside.
Alternatively, the upper surface of cowling panel extends above the top of the spiral case 21 of spiral case blower fan 20, and the lower surface of cowling panel downwardly extends the bottom beyond spiral case 21.Wherein, the width of cowling panel horizontal direction can be substantially the same with the radial dimension of spiral case air inlet 24.Thus, it is possible to make the oil smoke can by rectification effectively in rectification flue 31, it is to avoid oil smoke produces cyclone, streams and noise, and can be efficiently directed in spiral case 21 and carry out oil smoke separation.
Further, cowling panel covers spiral case air inlet 24.It is to say, cowling panel in the orthographic projection of the front face 12 of casing 10 more than the spiral case air inlet 24 orthographic projection at the front face 12 of casing 10.Thus, it is possible to make the oil smoke can by rectification effectively in rectification flue 31, it is to avoid oil smoke produces cyclone, streams and noise, and can be efficiently directed in spiral case 21 and carry out oil smoke separation.
In still other embodiments of the present utility model, as shown in Fig. 1 and Fig. 2, Fig. 5 and Fig. 6, the bottom of casing 10 can be provided with exhaust fume collecting hood 60, and the top of exhaust fume collecting hood 60 has exhaust fume collecting hood air outlet 61, and exhaust fume collecting hood air outlet 61 connects with the lower end of exhaust gases passes 11.The motor 23 of spiral case blower fan 20 and fairing 30 may be located at the top of exhaust fume collecting hood air outlet 61.As it is shown in figure 1, the bottom of the casing 10 of the cuboid of hollow is provided with exhaust fume collecting hood 60, exhaust fume collecting hood 60 is formed generally as the rectangular box structure opened wide downwards, and exhaust fume collecting hood air outlet 61 forms the roof at exhaust fume collecting hood 60 thus realizing turning on exhaust gases passes 11.In other words, when range hood 100 works, oil smoke is from the flowing upward above of the kitchen range top, and is flowed to exhaust gases passes 11 direction by the guide effect of exhaust fume collecting hood 60, subsequently into, in rectification flue 31, being finally directed in spiral case 21 and carry out oil smoke separation.Thus, it is possible to improve the effect of range hood 100 fume-exhausting.
In embodiments more of the present utility model, range hood 100 also includes: regulate device 40.Regulate device 40 be connected with fairing 30 and be used for driving fairing 30 around pivotal axis.When fairing 30 is when pivot axis is close to spiral case air inlet 24 direction, the flue gas flow that rectification flue 31 unit interval can hold will reduce;When fairing 30 around pivot axis to spiral case air inlet 24 direction away from time, flue gas flow that rectification flue 31 unit interval can hold will increase.
Alternatively, as shown in Figure 2 and Figure 5, the lower end of fairing 30 is connected pivotly with the front face 12 of casing 10, and the upper end of fairing 30 is connected with described adjustment device 40.In other words, increase or reduce the flue gas flow in the rectification flue 31 internal unit time by changing the position of plane residing for upper end and the spiral case air inlet 24 of fairing 30, and the invariant position of plane residing for the lower end of fairing 30 and spiral case air inlet 24.
Oil smoke flow direction as shown in Fig. 2, Fig. 5 and Fig. 6, oil smoke flows from bottom to top, therefore, changing the position of plane residing for upper end and the spiral case air inlet 24 of fairing 30 is compare rational design, as such, it is possible to make the opening of rectification flue 31 remain constant, and the oil smoke entered in rectification flue 31 has suitable guide direction relative to spiral case 21, namely can ensure that oil smoke is efficiently directed in spiral case 21, it is to avoid oil smoke produces cyclone, streams and noise.
In another specific embodiment of the present utility model, range hood 100 can also include: connecting plate 33.As in figure 2 it is shown, connecting plate 33 is installed on the front face 12 of casing 10, connecting plate 33 and fairing 30 being respectively arranged with axle sleeve 34, is equipped with bearing pin 35 in axle sleeve 34, the central axis of bearing pin 35 is pivot axis.Thus, it is possible to fairing 30 be installed on the front face 12 of casing 10 by connecting plate 33 and drive link assembly 43 thus driving fairing 30 around pivotal axis by actuator 42.
In examples more of the present utility model, regulate device 40 and may include that support 41, actuator 42 and link assembly 43.Specifically, as shown in Figures 2 and 3, support 41 is located on the front face 12 of casing 10.As shown in Figure 3 and Figure 4, actuator 42 is arranged on support 41.One end of link assembly 43 is connected with actuator 42, and the other end of link assembly 43 is connected with the upper end of fairing 30, and actuator 42 drives fairing 30 around pivotal axis by link assembly 43.Wherein, actuator 42 can be drive motor 23 or drives cylinder or drive oil cylinder.
In embodiments more of the present utility model, spiral case blower fan 20 has motor 23.Range hood 100 is provided with control unit and smoke detectors, control unit is connected with motor 23 and smoke detectors respectively, control unit controls actuator 42 based on the smoke signal that smoke detectors detects and drives fairing 30, so that the flue gas flow in the rectification flue 31 internal unit time changes with the rotating speed of motor 23 with being proportionate, wherein smoke detectors can be flue gas flow sensor or flue gas wind pressure sensor.For smoke detectors for flue gas flow sensor, when the flow that flue gas flow sensor detects flue gas is more, flue gas flow sensor can send a signal of telecommunication to control unit, control unit controls cowling panel according to this signal of telecommunication and pivots suitable angle (namely the angle of inclination of the relative casing front face of cowling panel reduces) to the direction away from spiral case air inlet 24, so that the flue gas circulating face of rectification flue 31 and volume become big, it is allowed to more flue gas is entered inside spiral case 21 by rectification flue 31 within the unit interval.Similarly, when the flow that flue gas flow sensor detects flue gas is less, flue gas flow sensor can send another signal of telecommunication to control unit, control unit controls cowling panel according to this another signal of telecommunication and pivots suitable angle (namely the angle of inclination of the relative casing front face of cowling panel subtracts greatly) near the direction of spiral case air inlet 24, so that the flue gas circulating face of rectification flue 31 and volume diminish, reduce flue gas and entered inside spiral case 21 by rectification flue 31 within the unit interval.
Alternatively, smoke detectors is arranged on rectification flue 31 inside.
In still other embodiments of the present utility model, spiral case blower fan 20 has motor 23.Range hood 100 is provided with control unit, control unit is connected with motor 23 and actuator 42 respectively, control unit drives fairing 30 based on the rotating speed control actuator 42 of motor 23, so that the flue gas flow in the rectification flue 31 internal unit time changes with the rotating speed of motor 23 with being proportionate.Such as, when the rotating speed of motor 23 is higher, namely when the air quantity of range hood 100 is bigger, control unit controls cowling panel and pivots (the i.e. angle of inclination reduction of the front face 12 of the relative casing 10 of cowling panel of suitable angle to the direction away from spiral case air inlet 24, namely the distance of L1 is reduced), so that the flue gas circulating face of rectification flue 31 and volume become big, it is allowed to more flue gas is entered inside spiral case 21 by rectification flue 31 within the unit interval.Similarly, when the rotating speed of motor 23 is relatively low, namely when the air quantity of range hood 100 is less, control unit controls cowling panel, and to pivoting suitable angle near the direction of spiral case air inlet 24, (namely the angle of inclination of the front face 12 of the relative casing 10 of cowling panel increases, namely the distance of L1 is increased), so that the flue gas circulating face of rectification flue 31 and volume become big, it is allowed to more flue gas is entered inside spiral case 21 by rectification flue 31 within the unit interval.Hereby it is achieved that range hood 100 is in motor 23 different rotating speeds situation, all can to the control of oil smoke cyclone, thus avoid oil smoke before entering in spiral case 21 generation cyclone, stream and noise.
In other embodiments of the present utility model, fairing 30 has windward side 32, and windward side 32 is relative with spiral case air inlet 24.Regulate device 40 to be arranged to the size based on flue gas impulse force suffered by windward side 32 and regulate the position of the relative spiral case air inlet 24 of fairing 30, so that the flue gas flow in the rectification flue 31 internal unit time changes with the rotating speed of motor 23 with being proportionate.
Alternatively, as it is shown in figure 5, regulate device 40 to regulate device for self-adapting stretching, self-adapting stretching adjustment device carries out self-adapting stretching action to change the position of the relative spiral case air inlet 24 of fairing 30 based on the size of flue gas impulse force suffered by windward side 32.Wherein, regulating device 40 can be elastic device 44 or damping unit.Thus so that regulate device 40 and the regulative mode of cowling panel is become passive type (trailing type), namely without controlling to adjust device 40, regulate device 40 and impulse force size suffered by windward side 32 and Auto-matching can regulate the relative position of cowling panel.
Alternatively, elastic device 44 can be spring.Such as, air spring or shell fragment etc..Damping unit can be telescopic damper rod.
Other compositions of range hood 100 according to this utility model embodiment and operation are appreciated that to those skilled in the art and easily realize, and are therefore not described in detail.
In description of the present utility model, it will be appreciated that, term " on ", D score " end " " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description, rather than the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.
Additionally, term " first ", " second " are only for descriptive purposes, and it is not intended that indicate or imply relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or implicitly include one or more these features.In description of the present utility model, " multiple " are meant that two or more, unless otherwise expressly limited specifically.
In this utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or connect integratedly;Can be mechanically connected, it is also possible to be electrical connection;Can be joined directly together, it is also possible to be indirectly connected to by intermediary, it is possible to be the connection of two element internals.For the ordinary skill in the art, it is possible to understand above-mentioned term concrete meaning in this utility model as the case may be.
In this utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can include the first and second features and directly contact, it is also possible to include the first and second features and be not directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " include fisrt feature directly over second feature and oblique upper, or be merely representative of fisrt feature level height higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " include fisrt feature directly over second feature and oblique upper, or be merely representative of fisrt feature level height less than second feature.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example describe are contained at least one embodiment of the present utility model or example.In this manual, the schematic representation of above-mentioned term is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiments or example.
Although above it has been shown and described that embodiment of the present utility model, it is understandable that, above-described embodiment is illustrative of, it is not intended that to restriction of the present utility model, above-described embodiment can be changed in scope of the present utility model when without departing from principle of the present utility model and objective, revises, replace and modification by those of ordinary skill in the art.

Claims (10)

1. a range hood, it is characterised in that including:
Casing;
Spiral case blower fan, described spiral case blower fan is located in described casing, has the exhaust gases passes connected with spiral case air inlet in described casing;
Fairing, described fairing is located in described exhaust gases passes, limits rectification flue between described fairing and described spiral case air inlet;
Regulating device, described adjustment device is connected with described fairing and for driving described fairing around pivotal axis to increase or to reduce the flue gas flow in the described rectification flue internal unit time.
2. range hood according to claim 1, it is characterised in that the lower end of described fairing is connected pivotly with the front face of described casing, the upper end of described fairing is connected with described adjustment device.
3. range hood according to claim 1, it is characterised in that described adjustment device includes:
Support, on described the front face being erected at described casing;
Actuator, described actuator is installed on the bracket;
Link assembly, described link assembly one end is connected with described actuator, and the other end of described link assembly is connected with the upper end of described fairing, and described actuator drives described fairing around described pivotal axis by described link assembly.
4. range hood according to claim 3, it is characterised in that described actuator is drive motor or drives cylinder or drive oil cylinder.
5. range hood according to claim 3, it is characterised in that
Described spiral case blower fan has motor;
Described range hood is provided with control unit, described control unit is connected with described motor and described actuator respectively, described control unit controls the described actuator described fairing of driving based on the rotating speed of described motor, so that the flue gas flow in the described rectification flue internal unit time changes with the rotating speed of described motor with being proportionate.
6. range hood according to claim 3, it is characterised in that
Described spiral case blower fan has motor;
Described range hood is provided with control unit and smoke detectors, described control unit is connected with described motor and described smoke detectors respectively, described control unit controls described actuator based on the smoke signal that described smoke detectors detects and drives described fairing, so that the flue gas flow in the described rectification flue internal unit time changes with the rotating speed of described motor with being proportionate, wherein said smoke detectors is flue gas flow sensor or flue gas wind pressure sensor.
7. range hood according to claim 1, it is characterised in that also include:
Connecting plate, described connecting plate is installed on the front face of described casing, described connecting plate and described fairing is respectively arranged with axle sleeve, is equipped with bearing pin in described axle sleeve, and the central axis of described bearing pin is described pivot axis.
8. range hood according to claim 1, it is characterised in that described fairing is configured to cowling panel, described cowling panel is arranged on the front side of described spiral case air inlet obliquely.
9. range hood according to claim 8, it is characterized in that, residing for the upper end of described cowling panel and described spiral case air inlet, the distance of plane is L1, and residing for the lower end of described cowling panel and described spiral case air inlet, the distance of plane is L2, wherein L1 < L2.
10. range hood according to claim 8, it is characterised in that the upper surface of described cowling panel extends above the top of the spiral case of described spiral case blower fan, and the lower surface of described cowling panel downwardly extends the bottom beyond described spiral case.
CN201620175864.1U 2016-03-08 2016-03-08 Range hood Active CN205402854U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620175864.1U CN205402854U (en) 2016-03-08 2016-03-08 Range hood

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620175864.1U CN205402854U (en) 2016-03-08 2016-03-08 Range hood

Publications (1)

Publication Number Publication Date
CN205402854U true CN205402854U (en) 2016-07-27

Family

ID=56443042

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620175864.1U Active CN205402854U (en) 2016-03-08 2016-03-08 Range hood

Country Status (1)

Country Link
CN (1) CN205402854U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112610993A (en) * 2020-12-21 2021-04-06 佛山市顺德区美的洗涤电器制造有限公司 Control method and control device of range hood device and range hood device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112610993A (en) * 2020-12-21 2021-04-06 佛山市顺德区美的洗涤电器制造有限公司 Control method and control device of range hood device and range hood device
CN112610993B (en) * 2020-12-21 2023-06-27 佛山市顺德区美的洗涤电器制造有限公司 Control method and control device of oil smoke suction device and oil smoke suction device

Similar Documents

Publication Publication Date Title
US9234671B2 (en) Air conditioning indoor unit
CN105674365A (en) Extractor hood
CN205561014U (en) Fall to ground indoor set of air conditioner and air conditioner that falls to ground
CN105682958B (en) Air nozzle
CN108240654A (en) A kind of double air-inlet range hoods and its control method
CN205383672U (en) Range hood
CN208920217U (en) Wall-hanging air conditioner indoor unit
CN208920220U (en) Wall-hanging air conditioner indoor unit
CN109084367A (en) Wall-hanging air conditioner indoor unit
CN205402854U (en) Range hood
CN102400957B (en) Vertical shaft multi-functional electric fan
CN206695269U (en) Protective cover and air-conditioner outdoor unit
CN209706223U (en) Air conditioner indoor unit
CN205641064U (en) Range hood
CN209246255U (en) A kind of cabinet air-conditioner air channel structure
CN208750908U (en) Desktop air-conditioning
CN208920474U (en) Air conditioner indoor unit
CN106196283A (en) A kind of detachable air conditioner for kitchen use
AU2019214086B9 (en) Wind outlet mechanism for range hood
CN208205146U (en) side-suction type range hood
CN208222789U (en) A kind of air purifier air guide structure and air purifier
CN203869157U (en) Indoor unit of air conditioner
CN208306329U (en) Air conditioning exhausting structure
CN208108208U (en) A kind of range hood
CN207094720U (en) Range hood

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20221226

Address after: 241000 west side of 3 / F, No.5 office building, new energy and new materials gathering area, Fuzhou Road, Jiangbei District, Wuhu City, Anhui Province

Patentee after: Wuhu Midea intelligent kitchen electricity Manufacturing Co.,Ltd.

Address before: 528311 Yongan Road, Beijiao Town, Shunde District, Foshan, Guangdong 6

Patentee before: GUANGDONG MIDEA KITCHEN APPLIANCES MANUFACTURING Co.,Ltd.

Patentee before: MIDEA GROUP Co.,Ltd.