CN208011824U - Range hood - Google Patents
Range hood Download PDFInfo
- Publication number
- CN208011824U CN208011824U CN201820481066.0U CN201820481066U CN208011824U CN 208011824 U CN208011824 U CN 208011824U CN 201820481066 U CN201820481066 U CN 201820481066U CN 208011824 U CN208011824 U CN 208011824U
- Authority
- CN
- China
- Prior art keywords
- cold plate
- negative pressure
- smoke collecting
- flow
- face
- 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
Links
Landscapes
- Ventilation (AREA)
Abstract
The utility model discloses a kind of range hood, which includes casing, flow-guiding structure and blower fan system, and casing is enclosed a vessel with flow-guiding structure, and blower fan system is set to vessel；Flow-guiding structure is formed with multiple smoke collecting chambers on one side away from blower fan system, and the internal face of smoke collecting chamber is equipped with air inlet structure；Range hood further includes being set to flow-guiding structure away from blower fan system side, multiple cold plates corresponding at least two smoke collecting chambers；Negative pressure runner is formed between cold plate and the internal face of corresponding smoke collecting chamber, negative pressure runner is connected to corresponding air inlet structure；The cross section of negative pressure runner is in inwardly tapered setting from its entrance, and cold plate is movable to be arranged to adjust the size of corresponding negative pressure flow channel entry point.Movable be arranged of the cold plate of the utility model range hood can still keep preferable fume exhaust effect with the size for adjusting the entrance of corresponding negative pressure runner in the application scenarios that flue gas range is wide, smoke is big.
Description
Technical field
The utility model is related to kitchen appliance technical field, more particularly to a kind of range hood.
Background technology
The ability of oil extraction of cooker hood is the core competence of range hood.After improving the air quantity of range hood, wind pressure,
The smoke absorption effect of range hood can obtain certain promotion.But other than air quantity, wind pressure, good air inlet layout also can
Influence the smoking effect of range hood.In the promotion of air quantity and wind pressure, the optimization of noise there are in the case of bottleneck, good gas
It is dynamic to be laid out the smoking performance that more can guarantee smoke machine.
In order to adapt to the working scenes that flue gases range is wide, smoke is big such as double stoves, existing technology is generally using increase water conservancy diversion
Structure peripheral size and/or add cold plate.But this mode is there are larger limitation, and fume exhaust effect unobvious.
This is because：
If one, individually increasing the size of flow-guiding structure, it is easy to be limited to installation space in terms of size, and do not changing wind
Under the premise of machine system, the limitation of smoking effect enhancing.
If two, individually adding cold plate, back-shaped air inlet is formed, increases cigarette district domain really.But do not changing wind
Under the premise of machine system, the loss of air quantity and the increase of noise, and the subregion of cold plate surrounding will appear when smoke is larger
The case where running cigarette.
Utility model content
The main purpose of the utility model is to propose a kind of range hood, it is intended to solve existing range hood and be difficult to suitable
The technical problem of fume exhaust effect difference when the application scenarios that the flue gas range answered is wide, smoke is big.
To achieve the above object, the utility model proposes range hood, including casing, flow-guiding structure and blower fan system,
The casing is enclosed a vessel with the flow-guiding structure, and the blower fan system is set to the vessel；
The flow-guiding structure is formed with multiple smoke collecting chambers, the internal face of the smoke collecting chamber on one side away from the blower fan system
It is equipped with air inlet structure；
The range hood further includes being set to the flow-guiding structure away from the blower fan system side and at least two collection
The corresponding multiple cold plates of smoke chamber；
Be formed with negative pressure runner between the cold plate and the internal face of the corresponding smoke collecting chamber, the negative pressure runner with it is right
The air inlet structure connection answered；
The cross section of the negative pressure runner is in inwardly tapered setting from its entrance, and the cold plate is movable to be arranged to adjust
The size of corresponding negative pressure flow channel entry point.
Preferably, multiple smoke collecting chambers include the first smoke collecting chamber close to the flow-guiding structure left hand edge, and are leaned on
Second smoke collecting chamber of the nearly flow-guiding structure right hand edge；
Each air inlet structure includes the first air inlet structure being set on the first smoke collecting chamber internal face, and is set to
The second air inlet structure on the second smoke collecting chamber internal face；
Multiple cold plates include the first cold plate and the second cold plate；Each negative pressure runner includes：
The first negative pressure runner being formed between first cold plate and the internal face of first smoke collecting chamber, and
The formation being formed between second cold plate and the internal face of second smoke collecting chamber has the second negative pressure runner；
First cold plate is movable to be arranged to adjust the size of the first negative pressure flow channel entry point, and second cold plate can
Activity is arranged to adjust the size of the second negative pressure flow channel entry point.
Preferably, rotatably setting is to adjust the size of the first negative pressure flow channel entry point for first cold plate, and described second
Cold plate is rotatably arranged to adjust the size of the second negative pressure flow channel entry point.
Preferably, the internal face of first smoke collecting chamber include right wall and with the right wall be enclosed open
For mouth towards the connected multiple side wall surfaces in multiple sides in the middle part of the flow-guiding structure, the area of each side wall surface is respectively less than described
The area of right wall, first air inlet structure are arranged in the right wall；
The internal face of second smoke collecting chamber include left wall face and with the opening being enclosed in the left wall face towards institute
Multiple side wall faces that multiple sides in the middle part of flow-guiding structure are connected are stated, the area in each side wall face is respectively less than the left wall face
Area, second air inlet structure are arranged on the left wall face.
Preferably, pivotably setting is to adjust the size of the first negative pressure flow channel entry point for first cold plate, and described the
The pivot of one cold plate is adjacent to the side in the middle part of the flow-guiding structure of the right wall；
Second cold plate is pivotably arranged to adjust the size of the second negative pressure flow channel entry point, and second cold plate
Side of the pivot adjacent to the left wall face in the middle part of the flow-guiding structure.
Preferably, first cold plate is pivotably to the right wall is bonded to block first air inlet structure；Institute
The second cold plate is stated pivotably to being bonded the left wall face to block second air inlet structure.
Preferably, the internal face of first smoke collecting chamber include left wall face and with it is describedIt is leftWall surface be enclosed open
The connected multiple side wall surfaces in multiple sides of the mouth in the middle part of the flow-guiding structure, the area of each side wall surface are respectively less than described
The area in left wall face, first air inlet structure are arranged on the left wall face；
The internal face of second smoke collecting chamber include right wall and with the opening being enclosed of the right wall backwards to institute
Multiple side wall faces that multiple sides in the middle part of flow-guiding structure are connected are stated, the area in each side wall face is respectively less than the right wall
Area, second air inlet structure are arranged on the left wall face.
Preferably, pivotably setting is to adjust the size of the first negative pressure flow channel entry point for first cold plate, and described the
The pivot of one cold plate is adjacent to the left wall face far from the side in the middle part of the flow-guiding structure；
Second cold plate is pivotably arranged to adjust the size of the second negative pressure flow channel entry point, and second cold plate
Pivot adjacent to the right wall far from the side in the middle part of the flow-guiding structure.
Preferably, first cold plate is pivotably to being bonded the left wall face to block first air inlet structure；Institute
The second cold plate is stated pivotably to the right wall is bonded to block second air inlet structure.
Preferably, the range hood further includes smoke detection module, controller and drive module, and the smoke detects mould
Block is at least detecting the smoke size being correspondingly arranged at the smoke collecting chamber of the cold plate；The controller is to basis
It is corresponding described negative to adjust that the detection signal of the smoke detection module controls the drive module driving cold plate activity
Press the size of flow channel entry point.
The utility model range hood on flow-guiding structure by being arranged multiple smoke collecting chambers, and the internal face of each smoke collecting chamber is all
Be provided with air inlet structure, in this way, range hood can via multiple smoke collecting chamber fume exhausts, i.e., the whole flow of range hood by
Multiple smoke collecting chambers undertake, and flow of flue gas path length is more average between the air intake vent from cold plate to wind turbine, and thus windage loss is more
It is small；Flow-guiding structure with multiple smoke collecting chambers coordinates cold plate to expand cigarette area again, and transversal due to negative pressure runner
Face is in inwardly tapered setting from its entrance, and cold plate medial surface and smoke collecting chamber internal face can guide flow of flue gas to entering the wind knot
Structure so further reduces the resistance of flow of flue gas；On the basis of the design feature, cold plate is movable to be arranged to adjust
The size of the entrance of corresponding negative pressure runner, you can to control the size of folding angle according to flue gas flow size, and then improve
The fume exhaust effect in the application scenarios that the flue gas range of adaptation is wide, smoke is big, and also help reduction noise level.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of one embodiment of the utility model range hood；
Fig. 2 is the decomposed structural schematic diagram of the main part of range hood in Fig. 1；
Fig. 3 is the first embodiment of the flow-guiding structure and cold plate fit structure of range hood in Fig. 1；
Fig. 4 is the decomposed structural schematic diagram of structure in Fig. 3；
Fig. 5 is the schematic front view of structure in Fig. 3, wherein cold plate is in the open state；
Fig. 6 is the cross-sectional view along line VI -- VI in Fig. 5.
Fig. 7 is the dimensional structure diagram of Fig. 6 midship section structures；
Fig. 8 is the schematic front view of structure in Fig. 3, wherein cold plate is closed；
Fig. 9 is the cross-sectional view along IX-IX lines in Fig. 8；
Figure 10 is the dimensional structure diagram of Fig. 9 midship section structures；
Figure 11 is the second embodiment of the flow-guiding structure and cold plate fit structure of range hood in Fig. 1；
Figure 12 is the decomposed structural schematic diagram of structure in Figure 11；
Figure 13 is the dimensional structure diagram that structure cold plate is in the open state in Figure 11；
Figure 14 is the schematic front view of structure in Figure 13；
Figure 15 is the cross-sectional view along XV-XV lines in Figure 14；
Figure 16 is the dimensional structure diagram that structure cold plate is closed in Figure 11；
Figure 17 is the schematic front view of structure in Figure 16；
Figure 18 is the cross-sectional view along XVIII-XVIII lines in Figure 17.
Drawing reference numeral explanation：
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, shall fall within the protection scope of the present invention.
If it is to be appreciated that related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction be only used for explain it is opposite between each component under a certain particular pose (as shown in the picture)
Position relationship, motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes correspondingly.
If, should " first ", " the in addition, relate to the description of " first ", " second " etc. in the utility model embodiment
Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning
The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one
A this feature.In addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill
Personnel can be implemented as basis, will be understood that this technical side when the combination of technical solution appearance is conflicting or cannot achieve
The combination of case is not present, also not within the protection domain of the requires of the utility model.
The utility model proposes a kind of range hoods.
In the utility model embodiment, shown in as shown in Figure 1 to Figure 4, Fig. 6, Figure 11, Figure 12 and Figure 15, the range hood
Including casing 1, flow-guiding structure (2a, 2b) and blower fan system 3, casing 1 is enclosed a vessel, wind with flow-guiding structure (2a, 2b)
Machine system 3 is set to vessel；
Flow-guiding structure (2a, 2b) is formed with multiple smoke collecting chambers (51,52 on one side away from blower fan system 3；71,72), collect cigarette
Chamber (51,52；71,72) internal face is equipped with air inlet structure (61,62；81,82)；
Range hood further include be set to flow-guiding structure (2a, 2b) away from 3 side of blower fan system, at least two smoke collecting chambers (51,
52；71,72) corresponding multiple cold plate (91a, 92a；91b, 92b)；
Cold plate (91a, 92a；91b, 92b) with corresponding smoke collecting chamber (51,52；71,72) it is formed between internal face negative
Press runner (101a, 102a；101b, 102b), negative pressure runner (101a, 102a；101b, 102b) with corresponding air inlet structure (61,
62；81,82) it is connected to；
Negative pressure runner (101a, 102a；101b, 102b) cross section from its entrance inwardly be in tapered setting, cold plate
(91a, 92a；91b, 92b) it is movable be arranged to adjust corresponding negative pressure runner (101a, 102a；101b, 102b) entrance size.
In the present embodiment, specific range hood can also include check-valves 11, rack 12 and lubricating cup 13, wherein rack 12
It is fixedly connected with casing 1, blower fan system 3 is preferably fixedly connected with rack 12 and casing 1, and check-valves 11 is mounted on rack 12
It is upper and be fixedly connected with blower fan system 3, for example, blower fan system 3 spiral case.Lubricating cup 13 is arranged in the bottom end of casing 1 collecting oil
It is dirty.Flue gas rises condensed plate (91a, 92a upwards；91b, 92b) be oriented to after along cold plate (91a, 92a；91b, 92b) lateral surface
Flow to negative pressure runner (101a, 102a；101b, 102b) entrance, or directly ascension is to negative pressure runner (101a, 102a；
101b, 102b) entrance.Flue gas is successively through negative pressure runner (101a, 102a；101b, 102b), air inlet structure (61,62；81,
82), inner cavity and blower fan system 3 are finally discharged from check-valves 11.
The casing 1 of the present embodiment provides the space of a relative closure to coordinate with flow-guiding structure (2a, 2b), i.e., interior
Chamber, blower fan system 3 can form shape of the air pressure than the negative pressure that the air in 1 outside of casing forces down, then this casing 1 in inner cavity work
It can be not added with special limitation, side-suction type shape can be both made in casing 1, and top suction type structure can also be made.Usually both may be used
To use thin-wall construction, and common use metal plate is made, such as is made up of modes such as punching, bending, splicings.Casing 1 is also
Being provided a supporting role for the component that is attached to thereon, such as the structures such as flow-guiding structure (2a, 2b), lubricating cup 13 are fixed on casing
On 1, and casing 1 itself is usually fixedly connected with kitchen wall.
Any existing skill then may be used as to the blower fan system 3 that manufactures negative pressure for fume exhaust, provide power
Art, such as the type of wind wheel can be centrifugation, axis stream or charging turbine wind wheel etc..
It is formed with multiple smoke collecting chambers (51,52 on the outside of flow-guiding structure (2a, 2b)；71,72) smoke collecting chamber (51,52, is formed；
71,72) mode can both take the mode of entire panel drawing, can also be by the way of the splicing of polylith sub-panel, one
It, can also be by the way of integrated injection molding in a little embodiments.Smoke collecting chamber (51,52；71,72) internal face can be multiple
Plane forms, or several planes add several curved surfaces to form, as long as can be with cold plate (91a, 92a；91b, 92b) cooperation shape
At negative pressure runner (101a, the 102a for being inwardly tapered shape；101b, 102b).Air inlet structure (61,62；81,82) can be simple
Air inlet, while may be mesh or grid-like air inlet region.
In order to make and flow-guiding structure (2a, 2b) matched cold plate (91a, 92a；91b, 92b) activity, it such as stretches or turns
It is dynamic, any existing means can be taken, including automatic and manual, by taking automated mean as an example, by cold plate (91a, 92a；
91b, 92b) it is hinged or after being pivotally connected with flow-guiding structure (2a, 2b), it recycles motor direct-drive or utilizes link mechanism, straight-line transmitting
Motivation structure struts or closes cold plate (91a, 92a；91b, 92b), to change corresponding negative pressure runner (101a, 102a；101b,
102b) the size of entrance；It is understood that in order to make cold plate (91a, 92a；91b, 92b) adaptably movable, cold plate
(91a, 92a；91b, 92b) it can also be connected directly between in driving structure.
Can be the only movable setting of only a part cold plate in multiple cold plates, and another part is fixedly installed.As
Example, if flow-guiding structure is arranged in left-right direction there are four smoke collecting chamber, the corresponding cold plate of two smoke collecting chambers at both ends is movable
Setting, and the corresponding cold plate fixed setting of two intermediate smoke collecting chambers.
In the correspondence of cold plate and smoke collecting chamber, it can also be that a part of smoke collecting chamber is correspondingly arranged on cold plate, and it is another
A part of smoke collecting chamber is not correspondingly arranged cold plate.
In order to expand cold plate (91a, 92a；91b, 92b) with the contact area of oil smoke, and improve the guiding of flue gas, suction
Effect, it is preferable that flow-guiding structure (2a, 2b) and cold plate (91a, 92a；91b, 92b) setting is tilted backwards from top to bottom.
With further reference to Fig. 5, Fig. 6, Figure 14 and Figure 15, arrow W1 and W2 illustrate the flowing of flue gas, this practicality in figure
Novel range hood on flow-guiding structure (2a, 2b) by being arranged multiple smoke collecting chambers (51,52；71,72), each smoke collecting chamber (51,
52；71,72) internal face is both provided with air inlet structure (61,62；81,82), in this way, range hood can be via multiple collection cigarettes
Chamber (51,52；71,72) fume exhaust, i.e., the whole flow of range hood is by multiple smoke collecting chambers (51,52；71,72) it undertakes, from
Cold plate (91a, 92a；91b, 92b) it is more average to flow of flue gas path length between the air intake vent of wind turbine, thus windage loss is more
It is small；With multiple smoke collecting chambers (51,52；71,72) flow-guiding structure (2a, 2b) coordinates cold plate (91a, 92a again；91b, 92b)
Expand cigarette area, and due to negative pressure runner (101a, 102a；101b, 102b) cross section from its entrance inwardly in gradually
Contracting setting, cold plate (91a, 92a；91b, 92b) medial surface and smoke collecting chamber (51,52；71,72) internal face can guide flue gas
Flow to air inlet structure (61,62；81,82) resistance of flow of flue gas, is so further reduced；On the basis of the design feature
On, cold plate (91a, 92a；91b, 92b) it is movable be arranged to adjust corresponding negative pressure runner (101a, 102a；101b, 102b)
The size of entrance, you can to control the size of folding angle according to flue gas flow size, and then improve the flue gas model in adaptation
Fume exhaust effect when enclosing application scenarios wide, that smoke is big, and also help reduction noise level.
Further, referring once again to Fig. 5, Fig. 6, Figure 14 and Figure 15, in one embodiment, multiple smoke collecting chambers (51,52；
71,72) include the first smoke collecting chamber (51,71) close to flow-guiding structure (2a, 2b) left hand edge, and close to flow-guiding structure (2a,
2b) the second smoke collecting chamber (52,72) of right hand edge；
Each air inlet structure (61,62；81,82) include the first air inlet being set on the first smoke collecting chamber (51,71) internal face
Structure (61,81), and the second air inlet structure (62,82) on the second smoke collecting chamber (52,72) internal face；
Multiple cold plate (91a, 92a；91b, 92b) include the first cold plate (91a, 91b) and the second cold plate (92a,
92b)；Each negative pressure runner (101a, 102a；101b, 102b) include：
The first vacuum flow being formed between the first cold plate (91a, 91b) and the internal face of the first smoke collecting chamber (51,71)
Road (101a, 101b), and
The formation being formed between the second cold plate (92a, 92b) and the internal face of the second smoke collecting chamber (52,72) has second
Negative pressure runner (102a, 102b)；
First cold plate (91a, 91b) is movable to be arranged to adjust the size of first negative pressure runner (101a, 101b) entrance,
Second cold plate (92a, 92b) is movable to be arranged to adjust the size of second negative pressure runner (102a, 102b) entrance.
In the present embodiment, it is subject in face of the visual angle of range hood, it is to be understood that usual 1 back side of casing is
The mounting surface being adapted to wall plane, the common double stoves of family generally arrange along wall plane, arrange in left-right direction, pass through difference
The first smoke collecting chamber (51,71) and the second smoke collecting chamber (52,72) is arranged then in the left hand edge and right hand edge of neighbouring flow-guiding structure (2a, 2b)
Correspondingly expand in left and right directions and holds together cigarette area, the smoke range when the double stoves of basic covering work at the same time and effectively suction oil
Cigarette.
The smoke size of first smoke collecting chamber (51,71) and the downward view field of the second smoke collecting chamber (52,72) generally also has difference
It is different, such as double stoves, in use, one side stove is opened, another side stove is closed；The stove quick-fried of acceptable one side generates a large amount of oil smoke, another side
Stove small fire boils does not generate oil smoke substantially.By adjusting the first negative pressure runner (101a, 101b) and the second negative pressure runner respectively
The size of (102a, 102b) entrance is conducive to reasonable distribution range hood air quantity, and then reaches more preferably fume exhaust effect.For
The assembly of simplified range hood, it is preferable that the first air inlet structure (61,81) and the second air inlet structure (62,82) are in grid-like
And it is wholely set with flow-guiding structure (2a, 2b).
Further, rotatably setting is entered the first cold plate (91a, 91b) with adjusting the first negative pressure runner (101a, 101b)
The size of mouth, the second cold plate (92a, 92b) are rotatably arranged to adjust the big of second negative pressure runner (102a, 102b) entrance
It is small.Mode to rotate the first cold plate (91a, 91b) and the second cold plate (92a, 92b) adjusts corresponding first negative pressure runner
The size of (101a, 101b) entrance and second negative pressure runner (102a, 102b) entrance, it is no matter manually or automatic, it adjusts related
Connection structure it is simple, corresponding function is more easily implemented.
The first embodiment of the flow-guiding structure and cold plate fit structure of range hood is described below.
Fig. 3 to Figure 10 is please referred to, further, the internal face of the first smoke collecting chamber 51 includes right wall 511 and and right wall
The opening being enclosed in face 511 towards the connected multiple side wall surfaces in multiple sides in the middle part of flow-guiding structure 2a (512a, 512b,
512c), the area of each side wall surface (512a, 512b, 512c) is respectively less than the area of right wall 511, the setting of the first air inlet structure 61
In right wall 511；
The internal face of second smoke collecting chamber 52 includes left wall face 521 and is led with the opening direction being enclosed in left wall face 521
The connected multiple side wall faces (522a, 522b, 522c) in multiple sides in the middle part of flow structure 2a, each side wall face (522a, 522b,
Area 522c) is respectively less than the area in left wall face 521, and the second air inlet structure 62 is arranged on left wall face 521.
In the present embodiment, it is to be understood that in the first smoke collecting chamber 51, the opening court of right wall 511 being enclosed
Multiple sides in the middle part of to flow-guiding structure 2a, i.e., the circumferentially adjacent side of selected part in multiple sides of right wall 511,
These sides are enclosed " Contraband " shape, specifically, when right wall 511 is quadrangle, three, this three are chosen in four edges
While it is " Contraband " shape to be enclosed shape.The area maximum one in the internal face of the first smoke collecting chamber 51 is arranged in first air inlet structure 61
On the one hand a face is so conducive to the incoming air area for expanding air inlet structure (61,62), on the other hand due to the first smoke collecting chamber 51
Negative pressure runner (101a, 102a) is mainly enclosed by right wall 511 and the first cold plate 91a, and right wall 511 is relatively most
Greatly, negative pressure runner 101a can so be expanded as much as possible, to adjust the first negative pressure runner in the first cold plate of rotation 91a
When the size of 101a entrances, regulating effect becomes apparent, and then improves the effect of water conservancy diversion and fume exhaust.
In second smoke collecting chamber 52, with the first smoke collecting chamber 51 on the contrary, controlling with mirroring, the enclosing in left wall face 521
The opening of formation is towards multiple sides in the middle part of flow-guiding structure 2a, i.e., in multiple side plates in left wall face 521 circumferentially selected part
Adjacent side wall, these sides are enclosed anti-" Contraband " shape, i.e. " ]" shape.Similarly, the setting of the second air inlet structure 62 is in the second collection
The maximum face of area in the internal face of smoke chamber 52, in this way, not only improving the incoming air area for expanding the second air inlet structure 62, again
Negative pressure runner (101a, 102a) can be expanded, similarly, entered to adjust the second negative pressure runner 102b in the second cold plate of rotation 92b
When the size of mouth, regulating effect becomes apparent, and then further improves the effect of water conservancy diversion and fume exhaust.
Further, pivotably setting is to adjust the size of the first negative pressure runner 101a entrances by the first cold plate 91a, and the
Side of the pivot of one cold plate 91a in the middle part of the close flow-guiding structure 2a of right wall 511；
Second cold plate 92b is pivotably arranged to adjust the size of the second negative pressure runner 102b entrances, and the second cold plate
Side of the pivot of 92b in the middle part of the close flow-guiding structure 2a in left wall face 521.
In the present embodiment, the first cold plate 91a and the second cold plate 92b pivot setting, more steady in activity.And
Side of the pivot of first cold plate 91a in the middle part of the close flow-guiding structure 2a of right wall 511, the pivot of the second cold plate 92b
Side of the axis in the middle part of the close flow-guiding structure 2a in left wall face 521 so that the first negative pressure runner 101a entrance shapes and second
Negative pressure runner 102b entrance shapes be combined and formed bilateral parantheses shape i.e. ";]" shape, to be inhaled in addition to front and back or lower edges
Mist extractor effect is preferably outer, and the fume exhaust effect of the left and right sides can also get a promotion.
Further, referring once again to Fig. 8 to Figure 10, the first cold plate 91a is pivotably to fitting right wall 511 to block
First air inlet structure 61；Second cold plate 92b is pivotably to fitting left wall face 521 to block the second air inlet structure 62.This implementation
In example, when range hood does not work, the first cold plate 91a and the second cold plate 92b rotate respectively inwards and respectively with right wall
Face 511, left wall face 521 are bonded.After fitting, the first air inlet structure 61 and the second air inlet structure 62 are blocked, so can be real
The consistency of existing appearance prevents flue gas refluence, foreign matter or toy such as cockroach from entering inside range hood.
The second embodiment of the flow-guiding structure and cold plate fit structure of range hood is described below.
Figure 11 to Figure 18 is please referred to, further, the internal face of the first smoke collecting chamber 71 includes left wall face 711 and and left wall
The connected multiple side wall surfaces in multiple sides of the opening being enclosed in face 711 in the middle part of flow-guiding structure 2b (712a, 712b,
712c), the area of each side wall surface (712a, 712b, 712c) is respectively less than the area in left wall face 711, the setting of the first air inlet structure 81
On left wall face 711；
The internal face of second smoke collecting chamber 72 includes right wall 721 and is led backwards with the opening of right wall 721 being enclosed
The connected multiple side wall faces (722a, 722b, 722c) in multiple sides in the middle part of flow structure 2b, each side wall face (722a, 722b,
Area 722c) is respectively less than the area of right wall 721, and the second air inlet structure 82 is arranged on left wall face 711.
In the present embodiment, similar to the first embodiment of cold plate fit structure to the flow-guiding structure of range hood, the
In one smoke collecting chamber 71, the opening being enclosed in left wall face 711 is towards multiple sides in the middle part of flow-guiding structure 2b, i.e., in left wall face
The circumferentially adjacent side of selected part in 711 multiple sides, but these sides are enclosed anti-" Contraband " shape, i.e. " ]" shape, tool
Body, when left wall face 711 is quadrangle, three are chosen in four edges, it is anti-" Contraband " shape that this three sides, which are enclosed shape,.
The maximum face of the area in the internal face of the first smoke collecting chamber 71 is arranged in first air inlet structure 81, is so on the one hand conducive to expand
The incoming air area of big first air inlet structure 81, on the other hand since the first negative pressure runner 101b of the first smoke collecting chamber 71 is mainly by a left side
Wall surface 711 is enclosed with the first cold plate 1b, and 721 relative maximum of right wall, and it is negative can so to expand first as much as possible
Runner 101b is pressed, to which when rotating the size of first cold plate 91b the first negative pressure runner 101b entrances of adjusting, regulating effect is more
To be apparent, and then improve the effect of water conservancy diversion and fume exhaust.
In second smoke collecting chamber 72, with the first smoke collecting chamber 71 on the contrary, controlling with mirroring, the enclosing of right wall 721
The opening of formation is towards multiple sides in the middle part of flow-guiding structure 2b, i.e., in multiple side plates of right wall 721 circumferentially selected part
Adjacent side wall, these sides are enclosed " Contraband " shape.Similarly, the second air inlet structure 82 is arranged in the second smoke collecting chamber 72
The maximum face of area in wall surface in this way, not only improving the incoming air area for expanding the second air inlet structure 82, and can expand second
Negative pressure runner 102b, similarly, to when rotating the size of second cold plate 92b the second negative pressure runner 102b entrances of adjusting, adjust
Section effect becomes apparent, and then further improves the effect of water conservancy diversion and fume exhaust.
Further, pivotably setting is to adjust the size of the first negative pressure runner 101b entrances by the first cold plate 91b, and the
Side of the pivot of one cold plate 91b in the middle part of the separate flow-guiding structure 2b in left wall face 711；
Second cold plate 92b is pivotably arranged to adjust the size of the second negative pressure runner 102b entrances, and the second cold plate
Side of the pivot of 92b in the middle part of the separate flow-guiding structure 2b of right wall 721.
In the present embodiment, similar, the first cold plate 91b and the second cold plate 92b pivot setting, more in activity
Steadily.And side of the pivot of the first cold plate 91b in the middle part of the separate flow-guiding structure 2b in left wall face 711, the second cold plate
Side of the pivot of 92b in the middle part of the separate flow-guiding structure 2b of right wall 721 so that the first negative pressure runner 101b entrance shapes
With the second negative pressure runner 102b entrance shapes be combined and formed the open bilateral parantheses shape in left and right i.e. ";[" shape, in addition to preceding
Afterwards or lower edges fume exhaust effect is preferably outer, and the fume exhaust effect at middle part can also get a promotion.
Further, referring once again to Figure 16 to Figure 18, the first cold plate 91b is pivotably to fitting left wall face 711 with envelope
Stifled first air inlet structure 81；Second cold plate 92b is pivotably to fitting right wall 721 to block the second air inlet structure 82.This reality
It applies in example, similar, when range hood does not work, the first cold plate 91b and the second cold plate 92b rotate and divide respectively inwards
It is not bonded with left wall face 711, right wall 721.After fitting, the first air inlet structure 81 and the second air inlet structure 82 are blocked, such as
This may be implemented the consistency of appearance, prevents flue gas refluence, foreign matter or toy such as cockroach from entering inside range hood.
Further, range hood further includes smoke detection module, controller and drive module (figure is not shown), smoke
Detection module is at least correspondingly arranged on cold plate (91a, 92a to detect；91b, 92b) smoke collecting chamber (51,52；71,72) at
Smoke size；Controller to according to the detection signal of smoke detection module control drive module driving cold plate (91a,
92a；91b, 92b) it is movable to adjust corresponding negative pressure runner (101a, 102a；101b, 102b) entrance size.
In the present embodiment, any existing smoke detection technique may be used in smoke detection module, usually, smoke detection
Module includes sensor, driving circuit and analog to digital conversion circuit, and sensor is electrically connected to convert detection limit with driving circuit
For electric signal, analog to digital conversion circuit is to convert analog signals into digital signal and be sent to controller, controller then basis
The detection signal of smoke detection module, control drive module is to adjust cold plate (91a, 92a；91b, 92b) action.It can manage
Solution, it may be class's discrete signal, smoke detection module that the detection signal of smoke detection module, which can be continuous signal,
When the smoke detected tends to become larger, controller, which correspondingly controls drive module, makes cold plate (91a, 92a；91b, 92b) open
Conjunction degree increases to increase negative pressure runner (101a, 102a；101b, 102b) entrance, the smoke that smoke detection module detects
Tend to become hour, controller, which correspondingly controls drive module, makes cold plate (91a, 92a；91b, 92b) opening and closing degree reduce with
Reduce negative pressure runner (101a, 102a；101b, 102b) entrance.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention,
It is every under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes
It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (10)
1. a kind of range hood, including casing, flow-guiding structure and blower fan system, the casing are enclosed with the flow-guiding structure
One vessel, the blower fan system are set to the vessel, which is characterized in that
The flow-guiding structure is formed with multiple smoke collecting chambers on one side away from the blower fan system, and the internal face of the smoke collecting chamber is all provided with
There is air inlet structure；
The range hood further includes being set to the flow-guiding structure away from the blower fan system side and at least two smoke collecting chambers
Corresponding multiple cold plates；
Be formed with negative pressure runner between the cold plate and the internal face of the corresponding smoke collecting chamber, the negative pressure runner with it is corresponding
The air inlet structure connection；
The cross section of the negative pressure runner is in inwardly tapered setting from its entrance, and the cold plate is movable to be arranged to adjust correspondence
The size of negative pressure flow channel entry point.
2. range hood as described in claim 1, which is characterized in that
Multiple smoke collecting chambers include the first smoke collecting chamber close to the flow-guiding structure left hand edge, and close to the water conservancy diversion knot
Second smoke collecting chamber of structure right hand edge；
Each air inlet structure includes the first air inlet structure being set on the first smoke collecting chamber internal face, and set on described
The second air inlet structure on second smoke collecting chamber internal face；
Multiple cold plates include the first cold plate and the second cold plate；Each negative pressure runner includes：
The first negative pressure runner being formed between first cold plate and the internal face of first smoke collecting chamber, and
The formation being formed between second cold plate and the internal face of second smoke collecting chamber has the second negative pressure runner；
First cold plate is movable to be arranged to adjust the size of the first negative pressure flow channel entry point, and second cold plate is movable
It is arranged to adjust the size of the second negative pressure flow channel entry point.
3. range hood as claimed in claim 2, which is characterized in that first cold plate is rotatably arranged to adjust first
The size of negative pressure flow channel entry point, second cold plate are rotatably arranged to adjust the size of the second negative pressure flow channel entry point.
4. range hood as claimed in claim 3, which is characterized in that
The internal face of first smoke collecting chamber include right wall and with the opening that is enclosed of the right wall described in
Multiple side wall surfaces that multiple sides in the middle part of flow-guiding structure are connected, the area of each side wall surface are respectively less than the face of the right wall
Product, first air inlet structure are arranged in the right wall；
The internal face of second smoke collecting chamber includes left wall face and is led described in the opening being enclosed in the left wall face
Multiple side wall faces that multiple sides in the middle part of flow structure are connected, the area in each side wall face are respectively less than the face in the left wall face
Product, second air inlet structure are arranged on the left wall face.
5. range hood as claimed in claim 4, which is characterized in that
First cold plate is pivotably arranged to adjust the size of the first negative pressure flow channel entry point, and the pivot of first cold plate
Axis is adjacent to the side in the middle part of the flow-guiding structure of the right wall；
Second cold plate is pivotably arranged to adjust the size of the second negative pressure flow channel entry point, and the pivot of second cold plate
Side close to the flow-guiding structure in the middle part of of the axis adjacent to the left wall face.
6. range hood as claimed in claim 5, which is characterized in that first cold plate is pivotably to being bonded the right wall
Face is to block first air inlet structure；Second cold plate pivotably to be bonded the left wall face with block described second into
Wind structure.
7. range hood as claimed in claim 3, which is characterized in that
The internal face of first smoke collecting chamber include left wall face and with the opening being enclosed in the left wall face backwards to described
Multiple side wall surfaces that multiple sides in the middle part of flow-guiding structure are connected, the area of each side wall surface are respectively less than the face in the left wall face
Product, first air inlet structure are arranged on the left wall face；
The internal face of second smoke collecting chamber includes right wall and is led backwards to described with the opening of the right wall being enclosed
Multiple side wall faces that multiple sides in the middle part of flow structure are connected, the area in each side wall face are respectively less than the face of the right wall
Product, second air inlet structure are arranged on the left wall face.
8. range hood as claimed in claim 7, which is characterized in that
First cold plate is pivotably arranged to adjust the size of the first negative pressure flow channel entry point, and the pivot of first cold plate
Axis is adjacent to the left wall face far from the side in the middle part of the flow-guiding structure；
Second cold plate is pivotably arranged to adjust the size of the second negative pressure flow channel entry point, and the pivot of second cold plate
Axis is adjacent to the right wall far from the side in the middle part of the flow-guiding structure.
9. range hood as claimed in claim 8, which is characterized in that first cold plate is pivotably to being bonded the left wall
Face is to block first air inlet structure；Second cold plate pivotably to be bonded the right wall with block described second into
Wind structure.
10. such as claim 1-9 any one of them range hoods, which is characterized in that further include smoke detection module, controller
And drive module, the smoke detection module is at least detecting the cigarette being correspondingly arranged at the smoke collecting chamber of the cold plate
Measure size；The controller is described cold to control the drive module driving according to the detection signal of the smoke detection module
Solidifying plate activity is to adjust the size of the corresponding negative pressure flow channel entry point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820481066.0U CN208011824U (en) | 2018-03-30 | 2018-03-30 | Range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820481066.0U CN208011824U (en) | 2018-03-30 | 2018-03-30 | Range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208011824U true CN208011824U (en) | 2018-10-26 |
Family
ID=63892141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820481066.0U Active CN208011824U (en) | 2018-03-30 | 2018-03-30 | Range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208011824U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108458383A (en) * | 2018-03-30 | 2018-08-28 | 广东美的厨房电器制造有限公司 | Range hood |
-
2018
- 2018-03-30 CN CN201820481066.0U patent/CN208011824U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108458383A (en) * | 2018-03-30 | 2018-08-28 | 广东美的厨房电器制造有限公司 | Range hood |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208059004U (en) | Range hood | |
| CN208735717U (en) | A kind of intelligent range hood | |
| CN108458383A (en) | Range hood | |
| CN108662640A (en) | Range hood | |
| CN208059007U (en) | Range hood | |
| CN108916961A (en) | A kind of intelligent range hood and control method | |
| CN208011824U (en) | Range hood | |
| CN201034091Y (en) | Fan housing of double air intake smoke exhaust ventilator | |
| CN109990345A (en) | Negative pressure area adjustable range hood | |
| CN202692203U (en) | Telescopic smoke exhaust ventilator | |
| CN208253672U (en) | Range hood with adjustable negative pressure area | |
| CN108224532A (en) | Range hood | |
| CN206648111U (en) | A kind of top-sucking kitchen ventilator | |
| CN206055730U (en) | A kind of pair of air-inlet range hood | |
| CN212252750U (en) | Fume exhaust fan | |
| CN206957996U (en) | A kind of centrifugal blower and application have the range hood of the centrifugal blower | |
| CN201327094Y (en) | Close side-absorbing and upwards-discharging range hood | |
| CN110131758A (en) | Cover plate assembly and integrated stove | |
| CN208058973U (en) | Cover plate assembly and integrated stove | |
| CN201121938Y (en) | Side air intake type ventilator | |
| CN2874321Y (en) | Fume exhaust fan mounted with large size even air net cover | |
| CN208442905U (en) | Wall draft range hood | |
| CN208817545U (en) | Efficient kitchen ventilator | |
| CN205536033U (en) | Directional water conservancy diversion smoke ventilator of box formula | |
| CN205939324U (en) | Range hood |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221221 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. |
|
| TR01 | Transfer of patent right |