CN208779514U

CN208779514U - A kind of smoke exhaust ventilator

Info

Publication number: CN208779514U
Application number: CN201821181766.4U
Authority: CN
Inventors: 吴克忠
Original assignee: BEIJING SHUANGTA TECHNOLOGY Co Ltd
Current assignee: BEIJING SHUANGTA TECHNOLOGY Co Ltd
Priority date: 2018-07-24
Filing date: 2018-07-24
Publication date: 2019-04-23
Anticipated expiration: 2028-07-24

Abstract

The utility model discloses a kind of smoke exhaust ventilator, including shell, the shell is equipped with more than two air inlets, and each air inlet opens up position difference, and the position that opens up of the air inlet corresponds to oil smoke concentrated position；The more than one air inlet is equipped with close to hearth direction；Each air inlet is correspondingly provided with the component that keeps out the wind；It further include driving device, the driving device described keeps out the wind component actuation for driving to adjust the aperture of the corresponding air inlet.After such setting, using when, the air inlet of unlatching different location can be determined according to actual use situation, and the opening degree of corresponding air inlet is determined according to actual use situation, so that oil flue waste gas can be concentrated more and rapidly be aspirated by smoke exhaust ventilator, so as to greatly improve effective fume-exhausting ratio of smoke exhaust ventilator, it is more energy-saving and environmentally friendly.

Description

A kind of smoke exhaust ventilator

Technical field

The utility model relates to kitchen utensils technical fields, more particularly to a kind of smoke exhaust ventilator.

Background technique

Smoke exhaust ventilator is a kind of kitchen appliance for purifying kitchen environment, can be by being harmful to the human body of generating in cooking process Oil flue waste gas is taken away rapidly, is purified, and discharge is outdoor, to protect the health of kitchen operating personnel and keeping kitchen environment health It plays an important role.

Existing smoke exhaust ventilator, the position and structure of air inlet are held generally stationary constant, that is to say, that in suction oil When smoke waste gas, oil flue waste gas can only enter in smoke exhaust ventilator from the air inlet of fixed position and fixed size, can not adapt to oil smoke The case where distribution of exhaust gas changes and changes with cook's operation and kitchen environment, and clean air also tends to be siphoned away for no reason, leads Cause effective fume-exhausting rate of smoke exhaust ventilator lower, energy consumption is high and kitchen is often full of oil flue waste gas.

In view of this, how to improve the structure of existing smoke exhaust ventilator, keep its air draught position adjustable, it can be according to actual use Situation aspirates oil flue waste gas, improves effective fume-exhausting ratio, is a technical problem that technical personnel in the field need to solve at present.

Utility model content

The purpose of the utility model is to provide a kind of smoke exhaust ventilator, the air draught position of the smoke exhaust ventilator can be according to actually making It is adjusted with situation, to improve effective fume-exhausting ratio.

In order to solve the above technical problems, the utility model provides a kind of smoke exhaust ventilator, including shell；

The shell is equipped with more than two air inlets, and each air inlet opens up position difference, the air inlet It opens up position and corresponds to oil smoke concentrated position；The more than one air inlet is equipped with close to hearth direction；

Each air inlet is correspondingly provided with the component that keeps out the wind；It further include driving device, the driving device is for driving Component actuation is kept out the wind described in dynamic to adjust the aperture of the corresponding air inlet.

Smoke exhaust ventilator provided by the utility model, shell are equipped with more than two air inlets, and each air inlet opens up position Difference is set, the position that opens up of air inlet corresponds to oil smoke concentrated position, is being equipped with more than one air inlet close to hearth direction, often A air inlet is correspondingly provided with the component that keeps out the wind, and is additionally provided with driving device, and under the drive of the drive, the component that keeps out the wind can be adjusted The aperture of corresponding air inlet is saved, after such setting, in application, the air inlet of different location can be determined to open according to actual use situation Mouthful, and the opening degree of corresponding air inlet is determined according to actual use situation, so that oil flue waste gas can be concentrated more and fastly Fast ground is aspirated by smoke exhaust ventilator, so as to greatly improve effective fume-exhausting ratio of smoke exhaust ventilator.

Smoke exhaust ventilator as described above, the master that the shell has the air-inlet cavity of close hearth and is connected to the air-inlet cavity Chamber, main chamber is interior to be equipped with blower；The air inlet that the air-inlet cavity has connection extraneous；

The air inlet is two or more, each corresponding kitchen range position of the air inlet.

Smoke exhaust ventilator as described above, the air inlet are specially two, corresponding with two kitchen range positions respectively；

The air-inlet cavity has a total air inlet, and an air door is equipped in the air-inlet cavity, described in the air door separates Total air inlet is to form two air inlets；

The driving device can drive the air door movement to switch between three positions, and be configured to:

Positioned at first position, the air door closes first air inlet, fully opens second air inlet；

Positioned at the second position, the air door fully opens first air inlet, closes second air inlet；

Positioned at the third place, the air door opens two air inlets simultaneously.

Smoke exhaust ventilator as described above, the medium position of total air inlet are installed with fixing axle, one end of the air door It is articulated in the fixing axle, the driving device can drive the air door to swing around the fixing axle, in three institute's rhemes Switch between setting；Wherein, the extreme position that the air door is swung is the other end and the one of the air-inlet cavity of the air door Side wall abuts, another extreme position that the air door is swung is the other end of the air door and another side wall of the air-inlet cavity It abuts.

Smoke exhaust ventilator as described above, the driving device include driving source and link assembly, and the driving source passes through drive The link assembly movement is moved to drive the air door to swing.

Smoke exhaust ventilator as described above, the link assembly include first connecting rod and second connecting rod；The first connecting rod One end is connect with the driving source, and one end of the other end and the second connecting rod is hinged, the other end of the second connecting rod and institute It is hinged to state air door；The driving source can drive the first connecting rod to swing within the scope of predetermined angle, and be configured to: described One connecting rod is located at an extreme position of the predetermined angle range, and the air door is located at the first position；Described first connects Bar is located at another extreme position of the predetermined angle range, and the air door is located at the second position.

Smoke exhaust ventilator as described above, main chamber are located at the top of the air-inlet cavity；It is additionally provided with above main chamber Epicoele, has an air inlet, and the air inlet of the epicoele is connected to the air intake vent close to roof；The epicoele is logical It crosses the first ventilation opening to be connected to main chamber, the air-inlet cavity is connected to by the second ventilation opening with main chamber；

It further include the first wind deflector and the second wind deflector, first wind deflector is to adjust opening for first ventilation opening Degree, aperture of second wind deflector to adjust second ventilation opening.

Smoke exhaust ventilator as described above, first wind deflector and second wind deflector are set by driving mechanism linkage Set, and be configured to: when first ventilation opening is in close state, second ventilation opening is in fully open state, alternatively, When first ventilation opening is in fully open state, second ventilation opening is in close state.

Smoke exhaust ventilator as described above, the driving mechanism include motor and linkage unit, and first wind deflector passes through The linkage unit is connect with second wind deflector；

First wind deflector is fixed in the output shaft of the motor, the motor drive the first wind deflector rotation with The aperture of first ventilation opening is adjusted, first wind deflector drives the second wind deflector rotation by the linkage unit To adjust the aperture of second ventilation opening；Alternatively, second wind deflector is fixed in the output shaft of the motor, the motor Drive the second wind deflector rotation to adjust the aperture of second ventilation opening, second wind deflector passes through the linkage groups Part drives the first wind deflector rotation to adjust the aperture of first ventilation opening.

Smoke exhaust ventilator as described above, the linkage unit include interlocking bar, one end of the interlocking bar and described first Wind deflector is hinged, and the other end and second wind deflector are hinged.

It is installed with a demarcation plate in the air-inlet cavity, the air-inlet cavity is divided into two air inlets and divides chamber, two institutes Stating air inlet is divided to the entrance of chamber to form two air inlets；

Further include two air doors, is respectively arranged at two air inlets and divides chamber, each air door is for adjusting corresponding institute State the aperture of air inlet；

The driving device includes two driving sources, respectively drives two air door movements.

Smoke exhaust ventilator as described above, the driving source are motor, and one end of the air door is connected to the defeated of the motor Shaft, the other end are rotationally connected with the demarcation plate, and it is described to adjust that the motor drives the air door to rotate around its output shaft The aperture of air inlet.

Smoke exhaust ventilator as described above, main chamber are located at the top of the air-inlet cavity；It is additionally provided with above main chamber Epicoele has an air inlet, and the air inlet of the epicoele is connected to the air intake vent close to roof, and the epicoele is logical Communication port is crossed to be connected to main chamber；It further include windshield plate, to adjust the aperture of the communication port.

Smoke exhaust ventilator as described above further includes driving mechanism, and the driving mechanism drives the windshield plate rotation to adjust Save the aperture of the communication port.

Smoke exhaust ventilator as described above, main chamber are located at the lower section of the air-inlet cavity.

Smoke exhaust ventilator as described above, the master that the shell has the air-inlet cavity of close hearth and is connected to the air-inlet cavity Chamber, main chamber is interior to be equipped with blower；

The first orifice plate is installed in the air-inlet cavity, first orifice plate has multiple through-holes being intervally arranged, described logical Hole forms the air inlet, and the air-inlet cavity is additionally provided with the second orifice plate, second orifice plate also have it is multiple be intervally arranged it is logical Hole；

Second orifice plate is bonded with first orifice plate, and can first orifice plate sliding relatively to adjust described the The aperture of multiple through-holes of one orifice plate.

Smoke exhaust ventilator as described above, main chamber are located at the top of the air-inlet cavity；The shell further includes being set to institute The epicoele above main chamber is stated, there is an air inlet, the air inlet of the epicoele is connected to the inlet air close to roof Mouthful, it further includes windshield plate, to adjust the aperture of the communication port that the epicoele, which is connected to by communication port with main chamber,.

Smoke exhaust ventilator as described above, second orifice plate are located at the top of first orifice plate, the windshield plate and institute It states the second orifice plate and is linked by driving mechanism and is arranged, and be configured to: when the communication port is in close state, first orifice plate Multiple through-holes be in fully open state；When the communication port is in fully open state, the multiple of first orifice plate are led to Hole is in closed state.

Smoke exhaust ventilator as described above, the driving mechanism include motor and linkage unit, and the windshield plate passes through described Linkage unit is connect with second orifice plate；The windshield plate is fixed in the output shaft of the motor, described in the motor drives Windshield plate is rotated to adjust the aperture of the communication port, and the windshield plate passes through the linkage unit and drives the second orifice plate phase First orifice plate is slided.

Smoke exhaust ventilator as described above, the linkage unit include connecting rod and the driving lever that is in the shape of the letter V, one end of the connecting rod Hinged with the windshield plate, a rod piece of the other end and the driving lever is hinged, and the vertex of the driving lever is pivotally connected by shift lever axis In the shell, another rod piece of the driving lever is flexibly connected with second orifice plate, to drive under the action of the connecting rod The second orifice plate sliding.

Smoke exhaust ventilator as described above is installed with fixed block on second orifice plate, and the fixed block has groove, described Another rod piece of driving lever is inserted into the groove.

Smoke exhaust ventilator as described above, the circumference of first orifice plate upper end are additionally provided with limiting slot of the opening towards middle part, The circumference of second orifice plate and the limiting slot cooperate, with ensure second orifice plate in sliding process with first hole Plate keeps fitting.

Smoke exhaust ventilator as described above, the inner cavity that the shell has cross section triangular in shape, the inner cavity is by top plate, back Plate and inclined panel are enclosed；Alternatively, the inner cavity that the shell has cross section trapezoidal, the inner cavity is by top plate, back Plate, inclined panel and bottom plate are enclosed；

The panel offers the extraneous air inlet of connection；

The inner cavity is divided into air-inlet cavity and main chamber by wind isolation board, and the air inlet is connected to the air-inlet cavity；It is described Blower is equipped in main chamber, the air inlet of the blower is formed in the wind isolation board；

The top plate also has the exhaust outlet of connection main chamber, is additionally provided with epicoele above the inner cavity, has one The air inlet, the air inlet of the epicoele are connected to the air intake vent close to roof；

The epicoele is connected to by communication port with main chamber, and ventilation opening, main chamber are also provided on the wind isolation board It is connected to by the ventilation opening with the air-inlet cavity；

The panel is equipped with air door, can adjust the aperture of the air inlet；

It is equipped with wind deflector at the ventilation opening, the aperture of the ventilation opening can be adjusted.

Smoke exhaust ventilator as described above, the air door and the wind deflector are linked by driving device to be arranged, and is configured to:

When the air door is in close state, the wind deflector is in fully open state；

When the air door is in fully open state, the wind deflector is in close state.

Smoke exhaust ventilator as described above, the driving device include:

Electric pushrod, is located at the air-inlet cavity, and fixing end is connect with the top plate；

Rotating bar, one end are rotationally connected with the panel, and the other end is connect with the telescopic end of the electric pushrod；

Mandril, one end are fixed in the wind deflector, and the other end abuts the air door；

The wind deflector and the wind isolation board are hinged；The air door and the rotating bar are affixed.

The other end of the mandril is additionally provided with idler wheel, and the mandril is abutted by the idler wheel with the air door.

Smoke exhaust ventilator as described above, the ventilation opening are specially two, and two ventilation openings are located at the air draught The two sides of mouth.

Detailed description of the invention

Fig. 1 provides the partial sectional view of smoke exhaust ventilator first embodiment by the utility model；

Fig. 2 is the side view of smoke exhaust ventilator shown in Fig. 1；

Fig. 3 provides the partial sectional view of smoke exhaust ventilator second embodiment by the utility model；

Fig. 4 is the side view of smoke exhaust ventilator shown in Fig. 3；

Fig. 5 provides the partial sectional view of smoke exhaust ventilator 3rd embodiment by the utility model；

Fig. 6 is the side view of smoke exhaust ventilator shown in Fig. 5；

Fig. 7 provides the partial sectional view of smoke exhaust ventilator fourth embodiment by the utility model；

Fig. 8 is the side view of smoke exhaust ventilator shown in Fig. 7；

Fig. 9 provides the side view of the 5th embodiment of smoke exhaust ventilator by the utility model；

The smoke exhaust ventilator that Figure 10 provides sixth embodiment by the utility model is in the side view of first state；

The smoke exhaust ventilator that Figure 11 provides sixth embodiment by the utility model is in the side view of the second state；

Figure 12 is provided the structure schematic diagram at the wind isolation board of the smoke exhaust ventilator of sixth embodiment by the utility model.

Wherein, one-to-one relationship of the Fig. 1 into Figure 12 between component names and appended drawing reference is as follows:

Shell 10, air-inlet cavity 11, left air inlet 111, right air inlet 112, left arm frame 113, right arm frame 114, main chamber 12, on Chamber 13, air intake vent 14, demarcation plate 15, exhaust outlet 16；

Blower 20, air inlet 21；

Air door 30a, 30a ', fixing axle 31,31 ', driving source 32,32 ', first connecting rod 33,33 ', second connecting rod 34,34 '；

Left air door 30b, 30b ', right air door 30c, 30c ', left driving source 32b, 32b ' and, right driving source 32c, 32c '；

First wind deflector 41, the second wind deflector 42, windshield plate 43,43 ', interlocking bar 44；

Motor 50；

First orifice plate 61, the second orifice plate 62, connecting rod 71, driving lever 72, shift lever axis 73, fixed block 74；

Top plate 101, exhaust outlet 1011, backboard 102, panel 103, air inlet 1031, wind isolation board 104, air-inlet cavity 105 are main Chamber 106, epicoele 107；Blower 201, air inlet 2011；Air door 301, wind deflector 401；Electric pushrod 501, rotating bar 502, mandril 503, idler wheel 5031.

Specific embodiment

Air draught position can not be adjusted for smoke exhaust ventilator in the prior art, can not effectively be taken out according to actual use situation The problem of oil suction smoke waste gas, proposes the technical solution for solving this technical problem, core herein by deep study and analysis It is, more than two air inlets are arranged on the shell of smoke exhaust ventilator, and each air inlet opens up position difference, each air inlet Open up the corresponding oil smoke concentrated position in position, wherein be equipped with more than one air inlet close to hearth direction；Each air inlet Mouthful it is correspondingly provided with the component that keeps out the wind, further includes driving device, which keeps out the wind component actuation for driving to adjust pair The aperture for the air inlet answered.

After such setting, in application, the air inlet of unlatching different location can be determined according to actual use situation, and according to reality Border service condition determines the opening degree of corresponding air inlet, so that oil flue waste gas can be concentrated more and rapidly by smoke pumping Machine suction, so as to greatly improve effective fume-exhausting ratio of smoke exhaust ventilator.

It should be pointed out that above-mentioned oil smoke concentrated position can be obtained according to test or emulation.

In order to make those skilled in the art better understand the scheme of the utility model, with reference to the accompanying drawing and specific implementation The utility model is described in further detail for mode.

Fig. 1 and Fig. 2 are please referred to, Fig. 1 provides the partial sectional view of smoke exhaust ventilator first embodiment by the utility model；Figure 2 be the side view of smoke exhaust ventilator shown in Fig. 1.

It should be pointed out that being cutd open in Fig. 1 and Fig. 2 to critical component for the internal structure for clearly illustrating smoke exhaust ventilator Depending on processing.

In the embodiment, smoke exhaust ventilator includes shell 10, the master that shell 10 has air-inlet cavity 11 and is connected to air-inlet cavity 11 Chamber 12, the interior air inlet for having connection extraneous of air-inlet cavity 11, main chamber 12 are interior equipped with blower 20；Oil flue waste gas from air inlet enter into Wind chamber 11 is inhaled into blower 20 through main chamber 12 under the swabbing action of blower 20, the final exhaust outlet 16 through being connected to blower 20 Discharge is outdoor.

In the embodiment, air-inlet cavity 11 has a total air inlet, is equipped with an air door 30a, the air door in air-inlet cavity 11 Total air inlet is separated to form two air inlets by 30a, and two air inlets are corresponding with two kitchen range positions respectively.

It is hereafter convenient with description for ease of understanding, on the basis of orientation shown in Fig. 1, two air inlets are referred to as left air inlet Mouth 111 and right air inlet 112.

Smoke exhaust ventilator further includes driving device, and the driving device is for driving air door 30a movement to adjust left air inlet 111 With the aperture of right air inlet 112, that is to say, that by air door 30a movement can adjust left air inlet 111, right air inlet 112 with Circulation area between air-inlet cavity 11.Hereafter there is similar statement to be also understood that, repeats no more.

The driving device can drive air door 30a movement to switch between three positions, concrete configuration at:

Positioned at first position, air door 30a closes left air inlet 111, fully opens right air inlet 112, being shown in Fig. 1 should First position；

Positioned at the second position, air door 30a fully opens left air inlet 111, closes right air inlet 112；

Positioned at the third place, air door 30a opens left air inlet 111 and right air inlet 112 simultaneously.

Herein, it fully opens and refers to that the connection area of corresponding air inlet and air-inlet cavity 11 is maximum.

As shown in Figure 1, the medium position of total air inlet of air-inlet cavity 11 is installed with fixing axle 31 in specific scheme, Gu Dead axle 31 specifically can be affixed with the corresponding position of shell 10；One end of air door 30a is articulated in the fixing axle 31, driving device energy Enough driving air door 30a is swung around fixing axle 31, to switch between aforementioned three positions.

Specifically, when air door 30a, which is rocked to, to abut with the left side wall of air-inlet cavity 11, as shown in Figure 1, air door 30a is complete The connection of left air inlet 111 and air-inlet cavity 11 is separated, that is to say, that left air inlet 111 is now in closed state, right air inlet Mouth 112 is in fully open state, that is to say, that the oil flue waste gas amount flowed into air-inlet cavity 11 through right air inlet 112 reaches most Big value；

When air door 30a, which is rocked to, to abut with the right side wall of air-inlet cavity 11, air door 30a can separate right air inlet 112 completely With the connection of air-inlet cavity 11, i.e., right air inlet 111 is now in closed state, and left air inlet 111 is in fully open state, i.e., The oil flue waste gas amount flowed into air-inlet cavity 11 through left air inlet 111 reaches maximum value；

When the middle position between the left side wall and right side wall that air door 30a is rocked to air-inlet cavity 11, left 111 He of air inlet The state that right air inlet 112 is in while opening, the aperture of the two determine that the position is denoted as aforementioned by the present position air door 30a The third place, it will be understood that the third place is not a fixed position.

It should be pointed out that the program in, air door 30a total air inlet of air-inlet cavity 11 can not only be divided into two into Air port, additionally it is possible to the control of the opening and closing to two air inlets is realized by swinging, it is clear that the shape of air door 30a was spaced from The cross sectional shape of air-inlet cavity 11 is adapted, and can be arranged according to 11 structure of air-inlet cavity of practical smoke exhaust ventilator in concrete application.

In specific scheme, as shown in Figure 1, being installed with left arm frame 113 in the left side of air-inlet cavity 11, right side is installed with right arm The inner end of frame 114, left arm frame 113 and right arm frame 114 is set as tip class shape, with shown in Fig. 1, the inner end of left arm frame 113 is in " > " shape, the inner end of right arm frame 114 are in " < " shape, after such setting, when air door 30a swings, as long as can be with a left side The tip position of cantilever crane 113 or right arm frame 114 abuts, in this way, the length of air door 30a opposite can shorten, is convenient for wind Door 30a movement；Meanwhile the lower part of left arm frame 113 and right arm frame 114 is also in bevel structure, the two is cooperatively formed towards import Shape is extended out, is conducive to be oriented to the oil flue waste gas of suction in this way, oil flue waste gas is enable rapidly to be aspirated by blower 20.

It is appreciated that the inner end of left arm frame 113 and right arm frame 114 is not limited only to structure shown in Fig. 1 when actual setting, only There is the wall structure for extending substantially to middle part, for air door 30a abutting, so that it may shorten the length of air door 30a.

In specific scheme, driving device includes driving source 32 and link assembly, and link assembly is set to driving source 32 and wind Between door 30a, driving source 32 is acted by drive link component to drive air door 30a to swing.

Specifically, link assembly includes first connecting rod 33 and second connecting rod 34, wherein one end of first connecting rod 33 and driving Source 32 connects, and one end of the other end and second connecting rod 34 is hinged, and the other end and air door 30a of second connecting rod 34 are hinged；Driving source 32 can drive first connecting rod 33 to swing within a preset range, it will be understood that the preset range and air door that first connecting rod 33 is swung The hunting range of 30a is corresponding, that is, when first connecting rod 33 is located at an extreme position of the preset range, air door 30a is in the One position, when first connecting rod 33 is located at another extreme position of the preset range, air door 30a is in the second position.

Wherein, driving source 32 can select motor or other driving structures.Specifically, driving source 32 is installed on right arm frame On 114, it will be understood that when actual setting, driving source 32 is also mountable to left arm frame 113 or other suitable positions.

In the embodiment, main chamber 12 is located at the top of air-inlet cavity 11, and blower 20 passes through after aspirating oil flue waste gas close to roof side Exhaust outlet 16 outdoor is discharged.

In further embodiment, which is additionally provided with the epicoele 13 above main chamber 12, which also is provided with One air inlet, the air inlet of the epicoele 13 are connected to the air intake vent 14 close to roof, are also connected by the first ventilation opening and main chamber 12 It is logical.

Specifically, the epicoele 13 can be shell 10 a part, such as in shell 10 setting with peripheral wall it is affixed every Plate opens up through hole on partition and forms aforementioned first ventilation opening so that the inner cavity of shell 10 is divided into epicoele 13 and main chamber 12, Or the pipeline configuration being separately provided, as shown in Fig. 2, the pipe fitting of roof setting and the perforation of main chamber 12 in main chamber 12, it should Pipe fitting forms epicoele 13.

In illustrated scheme, air intake vent 14 is opened in the ceiling structure on roof, is connected to by pipeline with thousands of 13.It can manage Solution, when actual setting, air intake vent 14 or other forms close to roof, for example the roof and room of epicoele 13 can be designed There is pre-determined distance on top, and the opening of epicoele 13 forms air intake vent, and the opening of epicoele 13 is also its air inlet at this time.

The air-inlet cavity 11 of the smoke exhaust ventilator is connected to by the second ventilation opening with main chamber 12, further includes the first wind deflector 41 and the Two wind deflectors 42；Wherein, the first wind deflector 41 is used to adjust the aperture of the first ventilation opening, that is to say, that the first wind deflector 41 can The circulation area between main chamber 12 and epicoele 13 is adjusted, namely adjusts the intake of the air inlet of epicoele 13；Second wind deflector 42 For adjusting the aperture of the second ventilation opening, that is to say, that the second wind deflector 42 can be adjusted between main chamber 12 and air-inlet cavity 11 Circulation area.

As above the air inlet access above roof is had additional on smoke exhaust ventilator, i.e., from air intake vent 14, epicoele 13, main chamber 12, blower 20 is to exhaust outlet 16, in this way, the oil flue waste gas swum in above kitchen can be sucked through top air intake vent 14 and be arranged It is outdoor out, further increase effective fume-exhausting ratio of smoke exhaust ventilator.

It, can be according to kitchen handling situations, to adjust the aperture of the first ventilation opening and the second ventilation opening, with root in actual use According to needing selection to aspirate oil smoke from below, oil smoke perhaps is aspirated from top or aspirates oil smoke from top, lower section simultaneously.

In specific scheme, the first wind deflector 41 and the second wind deflector 42 are linked by driving mechanism and are arranged, and are configured to: When first wind deflector 41 closes the first ventilation opening, the second ventilation opening is in fully open state, alternatively, the second wind deflector 42 is closed When the second ventilation opening, the first ventilation opening is in fully open state.

Specifically, driving mechanism includes motor 50 and linkage unit, the first wind deflector 41 passes through linkage unit and second gear Aerofoil 42 connects, and the first wind deflector 41 is fixed in the output shaft of motor 50, and motor 50 can drive the first wind deflector 41 around its output Axis rotation is driven when the first wind deflector 41 is rotated with motor 50 by linkage unit with the aperture for adjusting the first ventilation opening Second wind deflector 42 is rotated to adjust the aperture of the second ventilation opening.Wherein, the second wind deflector 42 can be articulated in shell by shaft 10。

It is appreciated that the second wind deflector 42 is towards unlatching when the first wind deflector 41 is rotated towards the direction for closing the first ventilation opening The direction of second ventilation opening rotates, when the first wind deflector 41 is rotated towards the direction for opening the first ventilation opening, 42 court of the second wind deflector Close the direction rotation of the second ventilation opening.

Aforementioned linkage unit is specially interlocking bar 44, and one end of the interlocking bar 44 and the first wind deflector 41 are hinged, the other end It is hinged with the second wind deflector 42.Specifically, hinge can be respectively set in the appropriate location of the first wind deflector 41 and the second wind deflector 42 Joint chair, interlocking bar 44 are hinged by hinged seat and the first wind deflector 41, the second wind deflector 42.

In illustrated scheme, motor 50 directly drives the rotation of the first wind deflector 41, it will be understood that when specific setting, motor 50 The rotation of the second wind deflector 42 can also be directly driven, the second wind deflector 42 passes through when rotating.

In addition, driving element can also be respectively set in the first wind deflector 41 and the second wind deflector 42, independent to control when actual setting Make the opening and closing of corresponding ventilation opening.

Fig. 3 and Fig. 4 are please referred to, Fig. 3 provides the partial sectional view of smoke exhaust ventilator second embodiment by the utility model；Figure 4 be the side view of smoke exhaust ventilator shown in Fig. 3.

The embodiment is consistent with the core of aforementioned first embodiment, and most of structure is also similar, below only for the two Difference part is introduced, remaining similar structures can refer to the explanation of above-mentioned first embodiment.

In the embodiment, a demarcation plate 15 is installed in the air-inlet cavity 11 of shell 10, the demarcation plate 15 is by air-inlet cavity 11, which are divided into two air inlets, divides chamber, enters the wind for two and the entrance of chamber is divided to form two air inlets, corresponding with two kitchen range positions respectively； Similarly, two air inlets are also hereafter referred to as left air inlet 111 and right air inlet 112.

In specific scheme, demarcation plate 15 is located at the medium position of air-inlet cavity 11 so that two air inlets divide chamber formation into The Maximum Ventilatory Volume in wind channel is roughly equal, thus suitable to the suction capactity of corresponding kitchen range.Certainly, in practice, demarcation plate 15 It may be alternatively located at the position to the left or to the right of air-inlet cavity 11.

The smoke exhaust ventilator is additionally provided with two air doors, and it is point intracavitary to be respectively arranged at two air inlets, hereafter also with left and right differentiation, I.e. left air door 30b is used to control the aperture of left air inlet 111, and right air door 30c is used to control the aperture of right air inlet 112.

The smoke exhaust ventilator is additionally provided with left driving source 32b and right driving source 32c, is respectively used to drive left air door 30b and right wind Door 30c is acted to adjust the aperture of left air inlet 111 and right air inlet 112.

In specific scheme, left driving source 32b is installed on the left side wall of air-inlet cavity 11, one end of Zuo Fengmen 30b and left drive Dynamic source 32b connection, the other end are rotationally connected with demarcation plate 15, and left driving source 32b drives left air door 30b rotation to adjust left air inlet The aperture of mouth 111；Right driving source 32c is installed on the right side wall of air-inlet cavity 11, and one end of right air door 30c and right driving source 32c connect It connects, the other end is also rotationally connected with demarcation plate 15, and right driving source 32c drives right air door 30c rotation to adjust right air inlet 112 Aperture.

Specifically, left driving source 32b and right driving source 32c select motor, and structure is simply easily implemented.

In the embodiment, main chamber 12 also is located at the top of air-inlet cavity 11, equally epicoele can be arranged in the top of main chamber 12 13, which also is provided with an air inlet, and the air intake vent that the air inlet of the epicoele 13 is also connected to close to roof (does not show in figure Out), which is connected to by communication port with main chamber 12, and is equipped with the windshield plate 43, Ke Yili to adjust communication port aperture Solution, what which was actually adjusted is the intake of the air inlet of epicoele 13.

Comparison is as it can be seen that the embodiment is compared with aforementioned first embodiment, and no setting is required, and control air-inlet cavity 11 leads to main chamber 12 Disconnected windshield plate structure is only needing because left air inlet divides chamber and right air inlet to divide the opening and closing independent control of chamber in the embodiment Under the operating condition of square air draught, it can control left air door 30b and close left air inlet 111, right air door 30c closes right air inlet 112.

Specifically, the rotation of windshield plate 43 is driven to adjust the aperture of communication port by driving mechanism, wherein driving mechanism can To select motor 50.

Fig. 5 and Fig. 6 are please referred to, Fig. 5 provides the partial sectional view of smoke exhaust ventilator 3rd embodiment by the utility model；Figure 6 be the side view of smoke exhaust ventilator shown in Fig. 5.

Compared with both of the aforesaid embodiment, the smoke exhaust ventilator which provides is integrated with hearth, by main chamber (figure In be not shown) be set to the lower section of air-inlet cavity 11, exhaust outlet 16 is arranged close to the lower section of shell 10.It is appreciated that setting in this way Afterwards, the air inlet of air-inlet cavity 11 is close to the top of shell 10.

In addition to above-mentioned difference, in the embodiment, air-inlet cavity 11 and its dependency structure setting and above-mentioned second of smoke exhaust ventilator Embodiment is similar.

As shown, be installed with a demarcation plate 15 in the air-inlet cavity 11 of shell 10, the demarcation plate 15 is by air-inlet cavity 11 Be divided into left and right two air inlets and divide chamber, enter the wind for two and the entrance of chamber is divided to form two air inlets, respectively with two kitchen range positions pair It answers.

Left air inlet point is intracavitary to be equipped with left air door 30b ', and to adjust the aperture of left air inlet 111, right air inlet wind is intracavitary to be equipped with Right air door 30c ', to adjust the aperture of right air inlet 112.

Similar with above-mentioned second embodiment, Zuo Fengmen 30b ' is driven by left driving source 32b ', and right air door 30c ' is by right driving Source 32c ' driving, two driving sources select motor, realize corresponding air inlet aperture by driving corresponding air door rotation It adjusts.

Fig. 7 and Fig. 8 are please referred to, Fig. 7 provides the partial sectional view of smoke exhaust ventilator fourth embodiment by the utility model；Figure 8 be the side view of smoke exhaust ventilator shown in Fig. 7.

The embodiment is similar with aforementioned third embodiment, and smoke exhaust ventilator is integrated with hearth, and main chamber is located at air-inlet cavity 11 lower section, exhaust outlet 16 are arranged close to the lower section of shell 10, and similarly, the air inlet of air-inlet cavity 11 is close to the top of shell 10 End.

In the embodiment, air-inlet cavity 11 and the dependency structure setting of smoke exhaust ventilator are similar with aforementioned first embodiment.

As shown, the air-inlet cavity 11 on 10 top of shell has a total air inlet, an air door is equipped in air-inlet cavity 11 Total air inlet is separated to form two air inlets by 30a ', air door 30a ', and two air inlets are corresponding with two kitchen range positions respectively.

The smoke exhaust ventilator is additionally provided with driving device, for driving air door 30a ' movement with adjust left air inlet 111 and it is right into The aperture in air port 112.

Driving device includes driving source 32 ' and link assembly, and driving source 32 ' is acted by drive link component to drive wind Door 30a ' is swung.

Wherein, motor specifically can be selected in driving source 32 '；Link assembly includes first connecting rod 33 ' and second connecting rod 34 ', and One end of one connecting rod 33 ' and the output axis connection of motor, one end of the other end and second connecting rod 34 ' is hinged, second connecting rod 34 ' The other end and air door 30a ' are hinged；Air door 30a ' is articulated in the fixing axle 31 ' being set in air-inlet cavity 11.

Motor can drive first connecting rod 33 ' to swing within a preset range, and first connecting rod 33 ' drives second connecting rod when swinging 34 ' movements are to drive air door 30a ' to swing.

In the embodiment, the position configuration that air door 30a ' is swung is similar with aforementioned first embodiment, and and will not be described here in detail.

Similarly, in the embodiment, the left and right side of air-inlet cavity 11 can also the fixed left arm similar with first embodiment Frame 113 and right arm frame 114.

Referring to FIG. 9, Fig. 9 provides the side view of the 5th embodiment of smoke exhaust ventilator by the utility model.

In the embodiment, smoke exhaust ventilator includes shell 10, the master that shell 10 has air-inlet cavity 11 and is connected to air-inlet cavity 11 Chamber 12, main chamber 12 is interior to be equipped with blower, and air-inlet cavity 11 has the air inlet in the connection external world, and oil flue waste gas enters air-inlet cavity from air inlet 11, under the swabbing action of blower 20, it is inhaled into blower 20 through main chamber 12, the final exhaust outlet 16 through being connected to blower 20 is discharged It is outdoor.

In the embodiment, the first orifice plate 61 is installed in air-inlet cavity 11, which has multiple be intervally arranged Through-hole, multiple through-holes form multiple air inlets, and the second orifice plate 62 is additionally provided in air-inlet cavity 11, and the second orifice plate 62 also has multiple The through-hole being intervally arranged.

Wherein, the second orifice plate 62 is bonded with the first orifice plate 61, and can be slided with respect to the first orifice plate 61, to adjust the first hole The aperture of multiple through-holes of plate 61.

Obviously, the number of through-holes of the second orifice plate 62 and layout are related to the first orifice plate 61, so that the second orifice plate 62 is opposite First orifice plate 61 slide during, can make the first orifice plate 61 through-hole be in fully open or part open or completely The state of closing, so as to adjust intake and air inlet position according to the practical operation situation in kitchen.

In the embodiment, main chamber 12 also is located at the top of air-inlet cavity 11, and smoke exhaust ventilator is additionally provided with above main chamber 12 Epicoele 13, the epicoele 13 are equipped with an air inlet, and the air inlet of the epicoele 13 is connected to the air intake vent close to roof, also passes through connection Mouth is connected to main chamber 12, windshield plate 43 ' is equipped at the communication port, to adjust the aperture of communication port, it will be understood that the windshield plate 43 ' actually adjust be epicoele 13 air inlet intake.

The dependency structure setting of epicoele 13 is similar with above-mentioned first, second embodiment, and and will not be described here in detail.

Specific in the program, the second orifice plate 62 is located at the top of the first orifice plate 61, and windshield plate 43 ' and the second orifice plate 62 are logical Mechanism of overdriving linkage setting, and be configured to: when communication port is in close state, multiple through-holes of the first orifice plate 61 have been in Full open state, at this point, the air inlet of smoke exhaust ventilator only from below aspirates oil flue waste gas；When communication port is in fully open state When, multiple through-holes of the first orifice plate 61 are in closed state, at this point, smoke exhaust ventilator is only useless from the air intake vent of top suction oil smoke Gas；It is appreciated that multiple through-holes of the first orifice plate 61 are also at endless full open when communication port is in incomplete open state State.

Specifically, limiting slot of the opening towards middle part, the second orifice plate can also be set in the circumference of 61 upper end of the first orifice plate 62 circumference can be inserted into the limiting slot and limiting slot cooperates, to ensure that the second orifice plate 62 is protected in sliding process with the first orifice plate 61 Fitting is held, prevents the second orifice plate 62 from tilting and being detached from the first orifice plate 61.It is appreciated that the cooperation of the second orifice plate 62 and limiting slot is not It should influence the sliding of the second orifice plate 62.

In specific scheme, driving mechanism includes motor 50 and linkage unit, wherein windshield plate 43 ' passes through linkage unit It is connect with the second orifice plate 62；Windshield plate 43 ' is fixed in the output shaft of motor 50, and motor 50 drives the rotation of windshield plate 43 ' to adjust The aperture of communication port, windshield plate 43 ' drive opposite first orifice plate 61 of the second orifice plate 62 sliding by linkage unit during rotation It is dynamic.

Wherein, linkage unit includes connecting rod 71 and the driving lever 72 that is in the shape of the letter V, and the vertex of driving lever 72 passes through 73 pivot of shift lever axis It is connected to shell 10；Hingedly, a rod piece of the other end and driving lever 72 is hinged for one end of connecting rod 71 and windshield plate 43 ', driving lever 72 it is another One rod piece is flexibly connected with the second orifice plate 62, to stir the second orifice plate when connecting rod 71 drives driving lever 72 to rotate around shift lever axis 73 62 slidings.

More specifically, can on the second orifice plate 62 fixed fixed block 74, fixed block 74 have groove, driving lever 72 it is another Rod piece is inserted into the groove, and under the drive of connecting rod 71, another rod piece of the driving lever 72 is supported with the groove one side wall of fixed block 74 It connects to push the sliding of the second orifice plate 62.

Certainly, other than aforesaid way, windshield plate 43 ' and the second orifice plate 62 can not also link setting, and the two is respectively set Corresponding driving element.

It should be pointed out that for the biggish smoke exhaust ventilator of total air inlet of air-inlet cavity, above-mentioned first orifice plate 61 with The structure that second orifice plate 62 matches designs compared with convertible air door structure, opposite to be not take up height space；Specific design When can be selected according to practical application.

In the embodiment, as shown in figure 9, the tool of blower 20 is there are two air inlet 21, one of air inlet 21 is towards outside Setting, another air inlet 21 are arranged towards inside；Herein inside and outside is for operator, close to operator Side be it is outer, i.e., diagram right side, far from operator side be it is interior, that is, illustrate on the left of.

Figure 10 to Figure 12 is please referred to, the smoke exhaust ventilator that Figure 10 provides sixth embodiment by the utility model is in the first shape The side view of state；The smoke exhaust ventilator that Figure 11 provides sixth embodiment by the utility model is in the side view of the second state；Figure 12 are provided the structure schematic diagram at the wind isolation board of the smoke exhaust ventilator of sixth embodiment by the utility model.

In the embodiment, smoke exhaust ventilator includes shell, the inner cavity which has cross section triangular in shape, and the inner cavity is specific It is enclosed by top plate 101, backboard 102 and inclined panel 103；After installation, backboard 102 is close to wall side.

The middle part of the panel 103 offers the extraneous air inlet 1031 of connection.

It is aforementioned it is interior it is intracavitary be additionally provided with wind isolation board 104, which is divided into air-inlet cavity 105 and main chamber 106 for inner cavity, Wherein, air inlet 1031 is connected to air-inlet cavity 105, blower 201 is equipped in main chamber 106, the air inlet 2011 of blower 201 is formed in Wind isolation board 104.

Top plate 101 also has the exhaust outlet 1011 of connection 106 inner blower 201 of main chamber.

In this way, the oil flue waste gas entered in air-inlet cavity 105 through air inlet 1031 can suck blower 201 through air inlet 2011, 106 inner blower 201 of main chamber is discharged through exhaust outlet 1011 again.

On this basis, it is additionally provided with epicoele 107 above aforementioned inner cavity, which has an air inlet, the epicoele 107 air inlet is connected to the air intake vent (not shown) close to roof；The concrete form of the air intake vent is referred to aforementioned reality Example is applied, is no longer illustrated herein.

Wherein, epicoele 107 is connected to by communication port with main chamber 106, and in illustrated scheme, epicoele 107 is specially and top plate 101 The pipeline inner cavity of connection.

Ventilation opening is also provided on aforementioned wind isolation board 104, main chamber 106 is connected to by ventilation opening with air-inlet cavity 105.

In this way, after the oil flue waste gas for entering epicoele 107 through air intake vent enters main chamber 106 air-inlet cavity can be entered through ventilation opening 105, then aspirated through air inlet 2011 by blower 201 and outdoor is discharged.

Air door 301 is additionally provided on panel 103, which is used to adjust the aperture of air inlet 1031, wind isolation board 104 Wind deflector 401 is additionally provided at ventilation opening, to adjust the aperture of ventilation opening, it will be understood that 401 practical adjustments of wind deflector be on The intake of the air inlet of chamber 107.

As above, the air inlet access above the roof is had additional on the smoke exhaust ventilator, i.e., from close to the air intake vent on roof, on Chamber 107, main chamber 106, air-inlet cavity 105, blower 201 to exhaust outlet 1011, in this way, swimming in oil flue waste gas above kitchen can be through Top air intake vent is sucked and outdoor is discharged, and in the application, according to practical operation situation can select that air door 301 is made to open, keep out the wind Plate 401 is closed, and only air inlet 1031 is sucked oil flue waste gas from below, or closes air door 301, and oil flue waste gas is only from above Air intake vent is sucked, or is made air door 301 and wind deflector 401 while being opened, and oil flue waste gas is sucked with top simultaneously from below； The smoke exhaust ventilator is set there are two different air draught positions, can select aspiration path according to service condition in practical application, so that Oil flue waste gas can be concentrated more and rapidly be aspirated by smoke exhaust ventilator.

In specific scheme, air door 301 and wind deflector 401 are linked by driving device and are arranged, that is to say, that driving device When air door 301 being driven to act, the also corresponding actions of wind deflector 401, to simplify the structure design of driving device.

The linkage concrete configuration of air door 301 and wind deflector 401 at:

When air door 301 is in close state, wind deflector 401 is in fully open state, as shown in figure 11；

When air door 301 is in fully open state, wind deflector 401 is in close state, as shown in Figure 10.

It is appreciated that the aperture of air door 301 and wind deflector 401 is reversely adjusted, when one is gradually increased, another one gradually subtracts It is small.

Specifically, driving device includes electric pushrod 501, rotating bar 502 and mandril 503；Wherein, electric pushrod 501 is set In air-inlet cavity 15, fixing end is connect with top plate 101, and telescopic end is connect with rotating bar 502, and rotating bar 502 is rotationally connected with Panel 103, air door 301 and rotating bar 502 are affixed.

One end of wind deflector 401 and wind isolation board 104 are hinged, and one end of mandril 503 and wind deflector 401 are affixed, the other end and Air door 301 abuts.

When the telescopic end of electric pushrod 501 stretches out, the up time at its rotation connection with panel 103 of rotating bar 502 is pushed Needle rotation, to drive air door 301 to be turned out to open air inlet 1031, meanwhile, wind deflector 401 under the effect of gravity towards every 104 direction of aerofoil rotation, to reduce the aperture of ventilation opening；Air door 301, which is extend out to, in the telescopic end of electric pushrod 501 is in complete When the state of unlatching, wind deflector 401 is bonded with wind isolation board 104, closes ventilation opening, as shown in Figure 10.

The state shown in Figure 10, when the telescopic end of electric pushrod 501 retracts, rotating bar 502 is driven to rotate counterclockwise, To drive air door 301 inwardly to rotate to reduce the aperture of air inlet 1031, meanwhile, air door 301 pushes mandril when inwardly rotating 503, jack up it wind deflector 401 to open ventilation opening；The closing of air door 301 is retracted in the telescopic end of electric pushrod 501 When state, wind deflector 401 is jacked up the state fully opened to ventilation opening by mandril 503, as shown in figure 11.

By the above process it is found that mandril 503 is supported with air door 301 during air door 301 and wind deflector 401 act The one end connect slidably reciprocates with respect to air door 301, to reduce frictionally damage, sets in one end that mandril 503 is abutted with air door 301 It is equipped with idler wheel 5031.

In specific scheme, specifically opened up on wind isolation board 104 there are two ventilation opening, two ventilation openings are located at air inlet 2011 two sides, as shown in figure 12.In this way, being equipped with wind deflector 401 at two ventilation openings, each wind deflector 401 passes through top Bar 503 is abutted with air door 301.

It should be noted that in illustrated scheme, the generally triangular structure in the cross section of the inner cavity of shell, it will be understood that When actual setting, the cross section of the inner cavity of shell can also be set as trapezium structure, in this way, the inner cavity is by top plate, backboard, inclined face Plate and bottom plate are enclosed.Remaining setting is similar to the above, repeats no more.

A kind of smoke exhaust ventilator provided by the utility model is described in detail above.It is used herein specifically a Example is expounded the principles of the present invention and embodiment, this reality that the above embodiments are only used to help understand With novel method and its core concept.It should be pointed out that for those skilled in the art, not departing from this Under the premise of utility model principle, several improvements and modifications can be made to this utility model, these improvement and modification are also fallen Enter in the protection scope of the utility model claims.

Claims

1. a kind of smoke exhaust ventilator, including shell；It is characterized by:

The shell is equipped with more than two air inlets, and each air inlet opens up position difference, and the air inlet opens up Position corresponds to oil smoke concentrated position；The more than one air inlet is equipped with close to hearth direction；

Each air inlet is correspondingly provided with the component that keeps out the wind；It further include driving device, the driving device is for driving institute It states and keeps out the wind component actuation to adjust the aperture of the corresponding air inlet.

2. smoke exhaust ventilator according to claim 1, which is characterized in that

The main chamber (12) that the shell (10) has the air-inlet cavity (11) of close hearth and is connected to the air-inlet cavity (11), it is described Blower (20) are equipped in main chamber (12)；The air inlet that the air-inlet cavity (11) has connection extraneous；

3. smoke exhaust ventilator according to claim 2, which is characterized in that the air inlet is specially two, respectively with two Kitchen range position is corresponding；

The air-inlet cavity (11) has a total air inlet, and an air door (30a, 30a '), institute are equipped in the air-inlet cavity (11) It states air door (30a, 30a ') and separates total air inlet to form two air inlets；

The driving device can drive the air door (30a, 30a ') movement to switch between three positions, and be configured to:

Positioned at first position, the air door (30a, 30a ') closes first air inlet, fully open second described in into Air port；

Positioned at the second position, the air door (30a, 30a ') fully opens first air inlet, close second described in into Air port；

Positioned at the third place, and the air door (30a, 30a ') two air inlets are opened simultaneously.

4. smoke exhaust ventilator according to claim 3, which is characterized in that the medium position of total air inlet is installed with fixation One end of axis (31,31 '), the air door (30a, 30a ') is articulated in the fixing axle (31,31 '), and the driving device can The air door (30a, 30a ') is driven to swing around the fixing axle (31,31 '), to switch between three positions；Wherein, The extreme position that the air door (30a, 30a ') is swung is the other end and the air-inlet cavity of the air door (30a, 30a ') (11) one side wall abuts, another extreme position that the air door (30a, 30a ') is swung is the air door (30a, 30a ') The other end is abutted with another side wall of the air-inlet cavity (11).

5. smoke exhaust ventilator according to claim 4, which is characterized in that the driving device include driving source (32,32 ') and Link assembly, the driving source (32,32 ') drive the air door (30a, 30a ') pendulum by driving link assembly movement It is dynamic.

6. smoke exhaust ventilator according to claim 5, which is characterized in that the link assembly includes first connecting rod (33,33 ') With second connecting rod (34,34 ')；One end of the first connecting rod (33,33 ') is connect with the driving source (32,32 '), the other end It is hinged with one end of the second connecting rod (34,34 '), the other end of the second connecting rod (34,34 ') and the air door (30a, 30a ') it is hinged；The driving source (32,32 ') can drive the first connecting rod (33,33 ') to swing within the scope of predetermined angle, And be configured to: the first connecting rod (33,33 ') is located at an extreme position of the predetermined angle range, the air door (30a, 30a ') it is located at the first position；The first connecting rod (33,33 ') is located at another limit position of the predetermined angle range It sets, and the air door (30a, 30a ') it is located at the second position.

7. smoke exhaust ventilator according to claim 3, which is characterized in that main chamber (12) is located at the air-inlet cavity (11) Top；Epicoele (13) are additionally provided with above main chamber (12), have an air inlet, the epicoele (13) it is described Air inlet is connected to the air intake vent (14) close to roof；The epicoele (13) is connected to by the first ventilation opening with main chamber (12), The air-inlet cavity (11) is connected to by the second ventilation opening with main chamber (12)；

It further include the first wind deflector (41) and the second wind deflector (42), first wind deflector (41) is logical to adjust described first The aperture in air port, aperture of second wind deflector (42) to adjust second ventilation opening.

8. smoke exhaust ventilator according to claim 7, which is characterized in that first wind deflector (41) and described second is kept out the wind Plate (42) is linked by driving mechanism to be arranged, and is configured to: when first ventilation opening is in close state, second ventilation Mouth is in fully open state, alternatively, second ventilation opening, which is in, to close when first ventilation opening is in fully open state Closed state.

9. smoke exhaust ventilator according to claim 8, which is characterized in that the driving mechanism includes motor (50) and linkage groups Part, first wind deflector (41) are connect by the linkage unit with second wind deflector (42)；

First wind deflector (41) is fixed in the output shaft of the motor (50), and the motor (50) drives described first to keep out the wind Plate (41) is rotated to adjust the aperture of first ventilation opening, and first wind deflector (41) drives institute by the linkage unit The second wind deflector (42) rotation is stated to adjust the aperture of second ventilation opening.

10. smoke exhaust ventilator according to claim 8, which is characterized in that the driving mechanism includes motor (50) and linkage Component, first wind deflector (41) are connect by the linkage unit with second wind deflector (42)；

Second wind deflector (42) is fixed in the output shaft of the motor (50), and the motor (50) drives described second to keep out the wind Plate (42) is rotated to adjust the aperture of second ventilation opening, and second wind deflector (42) drives institute by the linkage unit The first wind deflector (41) rotation is stated to adjust the aperture of first ventilation opening.

11. smoke exhaust ventilator according to claim 9 or 10, which is characterized in that the linkage unit includes interlocking bar (44), Hingedly, the other end and second wind deflector (42) are hinged for one end of the interlocking bar (44) and first wind deflector (41).

12. smoke exhaust ventilator according to claim 2, which is characterized in that the air inlet is specially two, respectively with two Kitchen range position is corresponding；

It is installed with a demarcation plate (15) in the air-inlet cavity (11), the air-inlet cavity (11) is divided into two air inlets point Chamber, two described enter the wind are divided to the entrance of chamber to form two air inlets；

Further include two air doors, be respectively arranged at two air inlets and divide chamber, each air door for adjust it is corresponding it is described into The aperture in air port；

13. smoke exhaust ventilator according to claim 12, which is characterized in that the driving source be motor, the one of the air door End is connected to the output shaft of the motor, and the other end is rotationally connected with the demarcation plate (15), and the motor drives the air door It is rotated around its output shaft to adjust the aperture of the air inlet.

14. smoke exhaust ventilator according to claim 12, which is characterized in that main chamber (12) is located at the air-inlet cavity (11) Top；It is additionally provided with epicoele (13) above main chamber (12), there is an air inlet, the institute of the epicoele (13) The air intake vent (14) that air inlet is connected to close roof is stated, the epicoele (13) is connected to by communication port with main chamber (12)；Also Including windshield plate (43), to adjust the aperture of the communication port.

15. smoke exhaust ventilator according to claim 14, which is characterized in that it further include driving mechanism, the driving mechanism band The windshield plate (43) rotation is moved to adjust the aperture of the communication port.

16. according to the described in any item smoke exhaust ventilators of claim 2-6,12-13, which is characterized in that main chamber (12) is located at The lower section of the air-inlet cavity (11).

17. smoke exhaust ventilator according to claim 1, it is characterised in that:

The main chamber (12) that the shell (10) has the air-inlet cavity (11) of close hearth and is connected to the air-inlet cavity (11), it is described Blower (20) are equipped in main chamber (12)；

Is installed with the first orifice plate (61) in the air-inlet cavity (11), first orifice plate (61) have it is multiple be intervally arranged it is logical Hole, the through-hole form the air inlet, and the air-inlet cavity (11) is additionally provided with the second orifice plate (62), second orifice plate (62) With multiple through-holes being intervally arranged；

Second orifice plate (62) is bonded with first orifice plate (61), and can first orifice plate (61) sliding relatively, with Adjust the aperture of multiple through-holes of first orifice plate (61).

18. smoke exhaust ventilator according to claim 17, which is characterized in that main chamber (12) is located at the air-inlet cavity (11) Top；The shell (10) further includes the epicoele (13) above main chamber (12), has an air inlet, The air inlet of the epicoele (13) is connected to the air intake vent (14) close to roof, the epicoele (13) by communication port with it is described Main chamber (12) connection, further includes windshield plate (43 '), to adjust the aperture of the communication port.

19. smoke exhaust ventilator according to claim 18, which is characterized in that second orifice plate (62) is located at first hole The top of plate (61), the windshield plate (43 ') and second orifice plate (62) are linked by driving mechanism to be arranged, and is configured to: When the communication port is in close state, multiple through-holes of first orifice plate (61) are in fully open state；The connection When mouth is in fully open state, multiple through-holes of first orifice plate (61) are in closed state.

20. smoke exhaust ventilator according to claim 19, which is characterized in that the driving mechanism includes motor (50) and linkage Component, the windshield plate (43 ') are connect by the linkage unit with second orifice plate (62)；The windshield plate (43 ') is solid It is connected to the output shaft of the motor (50), the motor (50) drives windshield plate (43 ') rotation to adjust the communication port Aperture, the windshield plate (43 ') drives relatively described first orifice plate of the second orifice plate (62) by the linkage unit (61) it slides.

21. smoke exhaust ventilator according to claim 20, which is characterized in that the linkage unit includes connecting rod (71) and is in V The driving lever (72) of font, one end of the connecting rod (71) and the windshield plate (43 ') hingedly, the other end and the driving lever (72) One rod piece is hinged, and the vertex of the driving lever (72) is articulated in the shell (10) by shift lever axis (73), the driving lever (72) Another rod piece be flexibly connected with second orifice plate (62), to drive second orifice plate under the action of connecting rod (71) (62) it slides.

22. smoke exhaust ventilator according to claim 21, which is characterized in that be installed with fixed block on second orifice plate (62) (74), the fixed block (74) has groove, and another rod piece of the driving lever (72) is inserted into the groove.

23. smoke exhaust ventilator according to claim 19, which is characterized in that the circumference of the first orifice plate (61) upper end is also set There is limiting slot of the opening towards middle part, the circumference of second orifice plate (62) and the limiting slot cooperate, to ensure described second Orifice plate (62) keeps being bonded in sliding process with first orifice plate (61).

24. smoke exhaust ventilator according to claim 1, it is characterised in that:

The inner cavity that the shell has cross section triangular in shape, the inner cavity is by top plate (101), backboard (102) and inclined face Plate (103) is enclosed；Alternatively, the inner cavity that the shell has cross section trapezoidal, the inner cavity is by top plate (101), backboard (102), inclined panel (103) and bottom plate are enclosed；

The panel (103) offers the extraneous air inlet (1031) of connection；

The inner cavity is divided into air-inlet cavity (105) and main chamber (106), the air inlet (1031) and institute by wind isolation board (104) State air-inlet cavity (105) connection；Blower (201) are equipped in main chamber (106), air inlet (2011) shape of the blower (201) Wind isolation board described in Cheng Yu (104)；

The top plate (101) also has the exhaust outlet (1011) of connection main chamber (106), is additionally provided with epicoele above the inner cavity (107), there is an air inlet, the air inlet of the epicoele (107) is connected to the air intake vent close to roof；

The epicoele (107) is connected to by communication port with main chamber (106), is also provided with ventilation on the wind isolation board (104) Mouthful, main chamber (106) is connected to by the ventilation opening with the air-inlet cavity (105)；

The panel (103) is equipped with air door (301), can adjust the aperture of the air inlet (1031)；

Wind deflector (401) are equipped at the ventilation opening, the aperture of the ventilation opening can be adjusted.

25. smoke exhaust ventilator according to claim 24, which is characterized in that the air door (301) and the wind deflector (401) It is linked and is arranged by driving device, and be configured to:

When the air door (301) is in close state, the wind deflector (401) is in fully open state；

When the air door (301) is in fully open state, the wind deflector (401) is in close state.

26. smoke exhaust ventilator according to claim 25, which is characterized in that the driving device includes:

Electric pushrod (501), is located at the air-inlet cavity (105), and fixing end is connect with the top plate (101)；

Rotating bar (502), one end are rotationally connected with the panel (103), and the other end is stretched with the electric pushrod (501) The connection of contracting end；

Mandril (503), one end are fixed in the wind deflector (401), and the other end abuts the air door (301)；

The wind deflector (401) and the wind isolation board (104) are hinged；The air door (301) and the rotating bar (502) are affixed.

27. smoke exhaust ventilator according to claim 26, which is characterized in that the other end of the mandril (503) is additionally provided with rolling It takes turns (5031), the mandril (503) is abutted by the idler wheel (5031) with the air door (301).

28. smoke exhaust ventilator according to claim 24, which is characterized in that the ventilation opening is specially two, and two institutes State the two sides that ventilation opening is located at the air inlet (2011).