CN106123080B - Range hood - Google Patents
Range hood Download PDFInfo
- Publication number
- CN106123080B CN106123080B CN201610715307.9A CN201610715307A CN106123080B CN 106123080 B CN106123080 B CN 106123080B CN 201610715307 A CN201610715307 A CN 201610715307A CN 106123080 B CN106123080 B CN 106123080B
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- range hood
- blower fan
- necking
- fan
- gas
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- 238000010276 construction Methods 0.000 abstract description 11
- 239000000779 smoke Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 8
- 230000000391 smoking effect Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000008676 import Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
Abstract
The present invention provides a kind of range hoods, comprising: casing (10), casing (10) is interior to be provided with the first blower fan structure (20)；Discharge pipe (30) is arranged in the top of the first blower fan structure (20)；Gas boosting structure (40) is removably disposed on discharge pipe (30).The problem of pressurized construction that technical solution of the present invention can efficiently solve range hood in the prior art lacks flexibility, does not adapt to different user demands.
Description
Technical field
The present invention relates to range hood technical fields, in particular to a kind of range hood.
Background technique
Currently, the smoking effect of range hood in a state of use is heavily dependent on the wind pressure of range hood, wind
Pressure is bigger, and smoking effect is better.When in use, oil smoke is needed through range hood ontology, outlet air the range hood of normal domestic use
Oil smoke is discharged for seat, discharge pipe and public passage, and above-mentioned apparatus can generate centainly the moving air in range hood
Resistance, due to the presence of these resistances, so that moving air is in oil smoke exit, there are certain back pressure, the presence meetings of the back pressure
Largely effect on the smoking effect of range hood.That is, suction of the wind pressure of the blower fan system in range hood to range hood
Cigarette effect has a positive effect, and the presence of back pressure then plays negative consequence to the smoking effect of range hood.
In the prior art, in order to improve the wind pressure of range hood, a kind of double wind of the series connection for range hood are devised
Machine structure.Specifically, above-mentioned series connection two fans structure includes the main blower and secondary fan in blower hood.Main wind
The air outlet of machine is connected with the air inlet of secondary fan by wind-guiding connecting tube, to realize fluid communication.The shell of main blower
The shell of body and secondary fan overlaps in vertical projection, and the lower edge of the air inlet of secondary fan is located at overlapping region
Top.Although above-mentioned series connection two fans structure can play the role of improving the wind pressure of range hood, double due to connecting
Blower fan structure is arranged in inside the blower hood of range hood, lacks flexibility, does not need series connection two fans structure for those
User for, their cost can be greatly increased.
Summary of the invention
The main purpose of the present invention is to provide a kind of range hoods, to solve the pressurization of range hood in the prior art
The problem of structure lacks flexibility, does not adapt to different user demands.
To achieve the goals above, the present invention provides a kind of range hoods, comprising: casing is provided with first in casing
Blower fan structure；The top of the first blower fan structure is arranged in discharge pipe；Gas boosting structure, is removably disposed on discharge pipe.
Further, gas boosting structure includes: the second blower fan structure, has fan inlet and fan outlet；Necking part,
It is arranged at fan outlet, necking part has necking inner cavity, and the area of passage of necking inner cavity is gradually reduced along gas flow direction.
Further, gas boosting structure further includes the airflow channel that the outside of the second blower fan structure is arranged in, and air-flow is logical
Road is connected to fan inlet and necking inner cavity, and gas a part at fan inlet is arranged by the second blower fan structure and necking part
Out, another part is discharged by airflow channel and necking part.
Further, in a ring, airflow channel is looped around the outside of the second blower fan structure for the cross section of airflow channel.
Further, gas boosting structure further includes flaring part, and the downstream of necking part is arranged in flaring part, and flaring part has
It is flared inner cavity, the area of passage for being flared inner cavity is gradually increased along gas flow direction.
Further, gas boosting structure further includes shell, and shell has air inlet and air outlet, and the second blower fan structure is set
It sets inside the shell, and fan inlet is arranged close to air inlet, fan outlet is arranged close to air outlet, and shell includes along gas stream
The dynamic sequentially connected main paragraph in direction, necking section and flared section, form gas between the inner wall of main paragraph and the second blower fan structure
Circulation road, necking section form necking part, and flared section forms flaring part.
Further, the center line of fan inlet and the centerline collineation of fan outlet or parallel.
Further, the center line of air inlet is vertically arranged, and the center line of air outlet is horizontally disposed, and gas boosting structure is set
Set in discharge pipe close to one end of the first blower fan structure, and gas boosting structure be located at the first blower fan structure and discharge pipe it
Between, range hood further includes the communicating pipe for being connected to gas boosting structure and the first blower fan structure, is vertically arranged simultaneously communicating pipe
And the end of communicating pipe is connected on air inlet, discharge pipe is horizontally disposed with and the end of discharge pipe is connected on air outlet.
Further, the center line of fan inlet and the centerline collineation of air inlet or parallel, the center line of fan outlet
With the centerline collineation of air outlet or parallel.
Further, gas boosting structure setting in discharge pipe close to one end of the first blower fan structure, and gas boosting
Structure between the first blower fan structure and discharge pipe, casing include chassis body and be arranged in chassis body top dress
Decorations cover, the first blower fan structure are arranged in chassis body, and gas boosting structure is at least partially disposed in Decorative Cover.Further
The internal diameter of the junction of ground, necking section and flared section is D5, wherein 100mm≤D5≤300mm.
Further, 150mm≤D5≤250mm.
Further, necking section is D8 along the length of the axial direction of shell, wherein 0 < D8≤(1/2) * D5.
Further, fan outlet on the axial direction of shell between necking section and the junction of flared section at a distance from
For D7, wherein 0 < D7≤2*D8.
Further, the expansion angle of flared section is A, wherein 5 °≤A≤15 °.
It applies the technical scheme of the present invention, independent gas boosting structure is set, which removably sets
It sets on discharge pipe.Above-mentioned gas pressurized construction is connected to the first blower fan structure and discharge pipe, what the first blower fan structure came out
Flowing gas is discharged after gas boosting structure, and in the process, above-mentioned gas pressurized construction can play raising fume-exhausting
The effect of the whole system wind pressure of machine, to improve smoking effect.Meanwhile gas boosting structure is to be removably disposed, and is used
Flexibility is stronger, and for a user, gas boosting structure is the component that can be matched, can be according to the specific feelings of use environment
Condition is selectively purchased and installed, very humanized, more convenient.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 shows the perspective diagram of the embodiment one of range hood according to the present invention；
Fig. 2 shows the perspective diagrams of another angle of the range hood of Fig. 1；
Fig. 3 shows the structural schematic diagram of the partly cut-away of the gas boosting structure of the range hood of Fig. 1；
Fig. 4 shows the schematic cross-sectional view of the gas boosting structure of the range hood of Fig. 1；
Fig. 5 shows the schematic front view of the gas boosting structure of Fig. 4；
Fig. 6 shows the schematic side view of the gas boosting structure of Fig. 4；
Fig. 7 shows the schematic cross-sectional view of the second blower fan structure of the embodiment two of range hood according to the present invention；
Fig. 8 shows the perspective diagram of the embodiment three of range hood according to the present invention；
Fig. 9 shows the perspective diagram of the example IV of range hood according to the present invention；
Figure 10 shows the perspective diagram of the embodiment five of range hood according to the present invention；
Figure 11 shows the perspective diagram of the embodiment six of range hood according to the present invention；And
Figure 12 shows the structural schematic diagram of the second blower fan structure of the range hood of Figure 11.
Wherein, the above drawings include the following reference numerals:
10, casing；11, chassis body；12, Decorative Cover；20, the first blower fan structure；30, discharge pipe；40, gas boosting knot
Structure；41, the second blower fan structure；411, fan inlet；412, fan outlet；42, necking inner cavity；43, airflow channel；44, shell；
441, air inlet；442, air outlet；443, main paragraph；444, necking section；445, flared section；50, communicating pipe；60, common flue；
70, air outlet seat.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the present invention and its application or make
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
It is not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawing
The size divided not is to draw according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part of book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label
Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need that it is further discussed in figure.
In the description of the present invention, it is to be understood that, the noun of locality such as " front, rear, top, and bottom, left and right ", " it is laterally, vertical,
Vertically, orientation or positional relationship indicated by level " and " top, bottom " etc. is normally based on orientation or position shown in the drawings and closes
System, is merely for convenience of description of the present invention and simplification of the description, in the absence of explanation to the contrary, these nouns of locality do not indicate that
It must have a particular orientation or be constructed and operated in a specific orientation with the device or element for implying signified, therefore cannot manage
Solution is limiting the scope of the invention；The noun of locality " inside and outside " refers to inside and outside the profile relative to each component itself.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for
Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this
The limitation of invention protection scope.
As depicted in figs. 1 and 2, the range hood of embodiment one includes casing 10, discharge pipe 30 and gas boosting structure
40.Wherein, the first blower fan structure 20 is provided in casing 10.The top of the first blower fan structure 20 is arranged in discharge pipe 30.Gas
Pressurized construction 40 is removably disposed in discharge pipe 30 close to one end of the first blower fan structure 20, and 40, gas boosting structure
Between the first blower fan structure 20 and discharge pipe 30.Gas boosting structure 40 connects with the first blower fan structure 20 and discharge pipe 30
It is logical.
Using the range hood of the present embodiment, independent gas boosting structure 40 is set, the gas boosting structure 40 is removable
Discharge pipe 30 is set with unloading close to one end of the first blower fan structure 20.Above-mentioned gas pressurized construction 40 and the first blower fan structure 20
It is connected to discharge pipe 30, the flowing gas that the first blower fan structure 20 comes out is discharged after gas boosting structure 40, herein mistake
Cheng Zhong, above-mentioned gas pressurized construction 40 can play the role of improving the whole system wind pressure of range hood, to improve smoking
Effect.Meanwhile gas boosting structure 40 is to be removably disposed, using flexible is stronger, for a user, gas boosting knot
Structure 40 is the component that can be matched, and can selectively be purchased and installed according to the concrete condition of use environment, non-ordinary person
Property, it is more convenient.
In the prior art, the wind pressure of range hood whole system be connect two fans structure main and secondary fan it
It is the air quantity of that grade of big blower of air quantity with, the air quantity of whole system, but since internal structure can be to the flowing in range hood
Air generates certain resistance, generates back pressure, practical upper air volume is only the 80% of maximum quantity of wind.
As depicted in figs. 1 and 2, in the range hood of embodiment one, casing 10 includes that chassis body 11 and setting exist
The Decorative Cover 12 of the top of chassis body 11.First blower fan structure 20 is arranged in Decorative Cover 12, and gas boosting structure 40 is located at
The top of Decorative Cover 12.Oil smoke import is provided on chassis body 11, the oil smoke import, the inner cavity of chassis body 11, Decorative Cover
The inlet communication of 12 inner cavity and the first blower fan structure 20.The exit of first blower fan structure 20 is provided with air outlet seat 70.The
One blower fan structure 20 is connected to by air outlet seat 70 with gas boosting structure 40.Carry oil smoke flowing gas successively pass through oil smoke into
Mouth, the inner cavity of chassis body 11, the inner cavity of Decorative Cover 12, the import of the first blower fan structure 20, the outlet of the first blower fan structure 20,
Air outlet seat 70 is expelled in gas boosting structure 40.
As shown in Figures 1 to 6, in the range hood of embodiment one, gas boosting structure 40 includes shell 44 and sets
Set the second blower fan structure 41 in shell 44.Shell 44 has air inlet 441 and air outlet 442, the second blower fan structure 41 tool
There are fan inlet 411 and fan outlet 412.Fan inlet 411 is arranged close to air inlet 441, and fan outlet 412 is close to air outlet
442 settings.The air inlet 441 of shell 44 is connected to air outlet seat 70, and the import of the air outlet 442 and discharge pipe 30 of shell 44 connects
Logical, the outlet of discharge pipe 30 is exported as oil smoke to be connected to common flue 60.Above-mentioned shell 44 include along gas flow direction (i.e.
Air inlet 441 is to the direction of air outlet 442) sequentially connected main paragraph 443, necking section 444 and flared section 445.Main paragraph
Airflow channel 43 is formed between 443 inner wall and the second blower fan structure 41.Necking section 444 forms necking part, necking part setting
At fan outlet 412.Necking part has necking inner cavity 42, and the area of passage of necking inner cavity 42 gradually subtracts along gas flow direction
It is small.Flared section 445 forms flaring part, which is arranged in the downstream of necking part.Being flared part has flaring inner cavity, is flared inner cavity
Area of passage be gradually increased along gas flow direction.
In range hood work, the gas (carrying oil smoke) being discharged by air outlet seat 70 first passes through the air inlet of shell 44
441 enter in shell 44.Gas is in the case where high wind pressure and high wind speed drive, then by the fan inlet 411 of the second blower fan structure 41
Into the second blower fan structure 41, it is discharged by fan outlet 412.Due to the setting of airflow channel 43, above-mentioned gas is from air inlet 441
Can be in the tapped upstream of fan inlet 411 after entering in shell 44: a part of gas enters the second wind by fan inlet 411
Machine structure 41, due to the isostructural blocking of impeller of blower in the second blower fan structure 41, above-mentioned gas has certain air quantity damage
It loses；Another part gas then enters airflow channel 43.Into the second blower fan structure 41 gas the second blower fan structure 41 work
Increased with lower flow velocity, hereafter, which is expelled in the necking inner cavity 42 of necking section 444 by fan outlet 412, at this point,
Since the area of passage of necking inner cavity 42 reduces, the flow velocity of gas can be further increased.The second blower fan structure 41 of above-mentioned entrance
Gas forms high-speed flow after accelerating twice, which drives the gas flowing in airflow channel 43, makes it
It flows through necking inner cavity 42, flared section 445 and is discharged from air outlet 442.Above structure uses Venturi tube structure, even if in oil suction
There are in the case where back pressure, can also guarantee that air quantity is not suffered a loss in smoke machine, to ensure that smoking effect.Specifically, oil suction
There are resistance inside smoke machine, a part of air quantity is lost, but since gas flow rate increasing degree is big, contracting is flowed to by airflow channel 43
Gas at mouthful part increases, and guarantees that air quantity is not suffered a loss with this.
It should be noted that the structure of gas boosting structure 40 is without being limited thereto, in other embodiments not shown in the figure
In, gas boosting structure can only include the second blower fan structure and necking part, be not provided with shell and airflow channel, the second blower knot
The fan inlet of structure is connected to the first blower fan structure, necking part be arranged at fan outlet, necking part have necking inner cavity, second
The fan outlet of blower fan structure is connected to necking inner cavity, at this point, flow velocity increases after necking part by the gas of fan outlet discharge
Greatly, it can equally draw partial gas to be discharged using the second blower fan structure, guarantee can be played to a certain extent in this way
The effect of air quantity；Alternatively, gas boosting structure may include the second blower fan structure, necking part and be independently arranged at the second blower
The airflow channel in the outside of structure is not provided with shell, and one end of airflow channel is connected on fan inlet, airflow channel it is another
End is connected to necking inner cavity, and the gas at fan inlet is shunted, and a part a part passes through the second blower fan structure and necking
Part discharge, another part are discharged by airflow channel and necking part.
As shown in Figures 3 to 5, in the range hood of embodiment one, gas boosting structure includes flaring part, in this implementation
In example, flared section 445 forms flaring part, which is arranged in the downstream of necking part.Flaring part, which has, is flared inner cavity, in flaring
The area of passage of chamber is gradually increased along gas flow direction.When gas passes through above-mentioned flaring part, flow velocity can reduce, more conducively gas
The stabilization of stream, and being flared part and being arranged jointly with necking part can make the ejector action to the gas in airflow channel more significant,
The effect for increasing air quantity is more preferable.Certainly, in other embodiments not shown in the figure, it can also be not provided with flaring part, only set
Necking part is set, can also play the role of drawing ambient gas so to a certain extent.
As shown in Fig. 1, Fig. 3, Fig. 4 and Fig. 6, in the range hood of embodiment one, the cross section of airflow channel 43 is in
Annular.Airflow channel 43 is looped around the outside of the second blower fan structure 41.In the present embodiment, the second blower fan structure 41 and shell 44
Coaxial arrangement, that is to say, that the channel volume everywhere in airflow channel 43 is identical.Above structure can be such that airflow channel 43 is distributed
It is more uniform, convenient for the stabilization of gaseous fluid.Certainly, the form of airflow channel 43 and the second blower fan structure 41 and shell 44
Setting relationship is without being limited thereto, and in other embodiments not shown in the figure, airflow channel can be other forms, the second blower
Structure and shell can also be different axis setting.
As shown in Figures 4 to 6, in the range hood of embodiment one, the center line and fan outlet of fan inlet 411
412 centerline collineation.In the present embodiment, the second blower fan structure 41 is axial flow blower.The center line and blower of air inlet 441
The centerline collineation of import 411, the center line of air outlet 442 are also conllinear with the center line of fan outlet 412.That is, into
Air port 441, air outlet 442, the center line of fan inlet 411 and fan outlet 412 are conllinear.Above structure can as far as possible compared with
The loss of few air quantity.Certainly, the set-up mode of fan inlet 411 and fan outlet 412 is without being limited thereto, the second blower fan structure 41
Type is also not necessarily limited to this, and in other embodiments, fan inlet and fan outlet can be arranged otherwise, the second blower
Structure may be other kinds of blower, for example, can be for cross flow fan, centrifugal blower etc., the electricity in the second blower fan structure
Machine can be alternating current generator, or direct current generator.In addition, the center line of the center line of fan inlet 411 and air inlet 441
It is not limited to collinearly, the center line of fan outlet 412 and the center line of air outlet 442 are also not necessarily limited to collinearly, in other embodiments
In, the center line of fan inlet can also be parallel with the center line of air inlet, the center line of fan outlet and the center of air outlet
Line can also be parallel.
In the range hood of embodiment one, optimum optimization configuration is carried out to the structure of gas boosting structure 40, gas increases
The range of each size of laminated structure 40 is as follows:
D1 is the diameter of air inlet 441, and D2 is the diameter of fan outlet 412, and D3 is the outer diameter of the second blower fan structure 41, D4
For the outer diameter of shell 44, D5 is the internal diameter of 445 junction of necking section 444 and flared section, and D6 is the length of flared section 445, and D7 is
The distance between fan outlet 412 and 445 junction of necking section 444 and flared section, A are the expansion angle of flared section 445, and D8 is necking
The length of section 444, D9 are the length of shell 44.
Wherein, key dimension are as follows:
100mm≤D5≤300mm, preferably 150mm≤D5≤250mm；
0<D8≤(1/2)*D5；
0<D7≤2*D8；
5°≤A≤15°；
Other sizes are as follows:
D1=160~200mm；
1.1≤D4/D1≤1.4；
0.7≤D2/D1≤0.8；
1.45≤D3/D2≤1.55；
1.3≤D5/D2≤1.4；
400mm≤D9≤600mm；
0.15≤D6/D9≤0.25。
As shown in fig. 7, the range hood of embodiment two and the main distinction of embodiment one are, in fan inlet 411
The centerline parallel of heart line and fan outlet 412.Above structure is designed to adapt to specific installation environment, is made it easy to
Installation, and there is no the range hood of embodiment one good in the effect for guaranteeing air quantity.The other structures of the present embodiment and work are former
Reason is essentially identical with the range hood of embodiment one, and details are not described herein.
As shown in figure 8, the range hood of embodiment three and the main distinction of embodiment one are that gas boosting structure 40 can
The one end of discharge pipe 30 far from the first blower fan structure 20 is releasably set.The exit of first blower fan structure 20 is provided with outlet air
Seat 70.First blower fan structure 20 is connected to by air outlet seat 70 with discharge pipe 30.The air inlet and discharge pipe of gas boosting structure 40
The air outlet of 30 connections, gas boosting structure 40 is connected to by one section of connecting tube with common flue 60.The fume-exhausting of the present embodiment
The other structures and working principle and the range hood of embodiment one of machine are essentially identical, and details are not described herein.
It should be noted that the setting position of gas boosting structure 40 is without being limited thereto, in other implementations not shown in the figure
In mode, gas boosting structure be can be set at the middle part of discharge pipe.
As shown in figure 9, the range hood of example IV and the main distinction of embodiment one are, casing 10 includes casing master
Body 11 and be arranged in chassis body 11 top Decorative Cover 12.First blower fan structure 20 is arranged in chassis body 11, gas
The part of body pressurized construction 40 is arranged in Decorative Cover 12.As shown in Fig. 2, the first blower fan structure of the range hood of embodiment one
20 are arranged in Decorative Cover 12, and gas boosting structure 40 is located at the top of casing 10, and the space occupied is larger.In actual installation
When, it is typically only capable to for gas boosting structure 40 being mounted in furred ceiling, there is significant limitation.It is asked to solve above-mentioned installation
First blower fan structure 20 is arranged in chassis body 11 range hood of topic, the present embodiment, the part of gas boosting structure 40
It is hidden in Decorative Cover 12, size so in the height direction just will be greatly reduced, and saves many spaces, is easily installed
It is used with user.
As shown in Figure 10, the range hood of embodiment five and the main distinction of embodiment one are, the second blower fan structure is
Centrifugal blower.The center line of the air inlet of gas boosting structure 40 is horizontally disposed, the center line of air inlet and the center of air outlet
Line is mutually perpendicular to.Discharge pipe 30 is arranged in close to one end of the first blower fan structure 20 in gas boosting structure 40, and gas boosting
Structure 40 is between the first blower fan structure 20 and discharge pipe 30.Range hood further includes for being connected to 40 He of gas boosting structure
The communicating pipe 50 of first blower fan structure 20.It is vertically arranged communicating pipe 50 and one end of communicating pipe 50 has horizontal connection portion, it should
Horizontal connection portion is connected on air inlet.Discharge pipe 30 is horizontally disposed with and one end of discharge pipe 30 has vertical interconnecting piece, should
Vertical interconnecting piece is connected on air outlet.The connection of above structure realization gas boosting structure 40, but gas boosting structure 40
Connection type it is complex, the space occupied is very big, poor availability.
As is illustrated by figs. 11 and 12, the range hood of embodiment six and the main distinction of embodiment five are, the second blower
Structure 41 is centrifugal blower.The center line of air inlet 441 is vertically arranged, and the center line of air outlet 442 is horizontally disposed, air inlet
The center line of 441 center line and air outlet 442 is mutually perpendicular to.Gas boosting structure 40 is arranged in discharge pipe 30 close to the first wind
One end of machine structure 20, and gas boosting structure 40 is between the first blower fan structure 20 and discharge pipe 30.Range hood is also
Including the communicating pipe 50 for being connected to gas boosting structure 40 and the first blower fan structure 20.Communicating pipe 50 is vertically arranged and is connected to
One end of pipe 50 is connected on air inlet 441.Discharge pipe 30 is horizontally disposed with and one end of discharge pipe 30 is connected to air outlet 442
On.For the range hood of the present embodiment compared with embodiment five, discharge pipe 30 and communicating pipe 50 is arranged in gas boosting structure 40
90 ° of corners, not only enter the wind in this way it is smooth, but also very save space.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (12)
1. a kind of range hood characterized by comprising
Casing (10), the casing (10) is interior to be provided with the first blower fan structure (20)；
Discharge pipe (30) is arranged in the top of first blower fan structure (20)；
Gas boosting structure (40) is removably disposed on the discharge pipe (30), and the gas boosting structure (40) includes:
Second blower fan structure (41), including shell, the shell have fan inlet (411) and fan outlet (412)；
Necking part is arranged at the fan outlet (412), and the necking part has necking inner cavity (42), the necking inner cavity
(42) area of passage is gradually reduced along gas flow direction, and the gas boosting structure (40) further includes flaring part, the expansion
The downstream of the necking part is arranged in mouth part, and the flaring part has flaring inner cavity, and the area of passage of the flaring inner cavity is along gas
Body flow direction is gradually increased, and the gas boosting structure (40) further includes shell of the setting in second blower fan structure (41)
The airflow channel (43) in outside, the airflow channel (43) connect with the fan inlet (411) and the necking inner cavity (42)
Logical, gas a part at the fan inlet (411) is discharged by second blower fan structure (41) and the necking part, separately
A part is discharged by the airflow channel (43) and the necking part.
2. range hood according to claim 1, which is characterized in that the cross section of the airflow channel (43) in a ring,
The airflow channel (43) is looped around the outside of second blower fan structure (41).
3. range hood according to claim 1, which is characterized in that the gas boosting structure (40) further includes shell
(44), the shell (44) has air inlet (441) and air outlet (442), and second blower fan structure (41) is arranged described
In shell (44), and the fan inlet (411) is arranged close to the air inlet (441), and the fan outlet (412) is close
Air outlet (442) setting, the shell (44) includes along the sequentially connected main paragraph of gas flow direction (443), necking
Section (444) and flared section (445), form institute between the inner wall and second blower fan structure (41) of the main paragraph (443)
It states airflow channel (43), the necking section (444) forms the necking part, and the flared section (445) forms the flaring part.
4. range hood according to claim 3, which is characterized in that the center line of the fan inlet (411) with it is described
The centerline collineation of fan outlet (412) is parallel.
5. range hood according to claim 3, which is characterized in that the center line of the air inlet (441) is vertically arranged,
The center line of the air outlet (442) is horizontally disposed, and gas boosting structure (40) setting is close in the discharge pipe (30)
One end of first blower fan structure (20), and the gas boosting structure (40) be located at first blower fan structure (20) and
Between the discharge pipe (30), the range hood further includes for being connected to the gas boosting structure (40) and first wind
The communicating pipe (50) of machine structure (20), the communicating pipe (50) is vertically arranged and the end of the communicating pipe (50) is connected to institute
It states on air inlet (441), the discharge pipe (30) is horizontally disposed with and the end of the discharge pipe (30) is connected to the outlet air
On mouth (442).
6. range hood according to any one of claim 3 to 5, which is characterized in that in the fan inlet (411)
Heart line and the centerline collineation of the air inlet (441) are parallel, the center line and the air outlet of the fan outlet (412)
(442) centerline collineation or parallel.
7. range hood according to claim 1, which is characterized in that the gas boosting structure (40) setting it is described go out
Air hose (30) is close to one end of first blower fan structure (20), and the gas boosting structure (40) is located at first wind
Between machine structure (20) and the discharge pipe (30), the casing (10) includes chassis body (11) and is arranged in the casing
The Decorative Cover (12) of the top of main body (11), the first blower fan structure (20) setting are described in the chassis body (11)
Gas boosting structure (40) is at least partially disposed in the Decorative Cover (12).
8. range hood according to claim 3, which is characterized in that the necking section (444) and the flared section (445)
Junction internal diameter be D5, wherein 100mm≤D5≤300mm.
9. range hood according to claim 8, which is characterized in that 150mm≤D5≤250mm.
10. range hood according to claim 8 or claim 9, which is characterized in that the necking section (444) is along the shell
(44) length of axial direction is D8, wherein 0 < D8≤(1/2) * D5.
11. range hood according to claim 10, which is characterized in that the fan outlet (412) is in the shell
It (44) with the distance between the junction of the necking section (444) and the flared section (445) is D7 on axial direction,
In, 0 < D7≤2*D8.
12. range hood according to claim 11, which is characterized in that the expansion angle of the flared section (445) is A, wherein
5°≤A≤15°。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610715307.9A CN106123080B (en) | 2016-08-24 | 2016-08-24 | Range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610715307.9A CN106123080B (en) | 2016-08-24 | 2016-08-24 | Range hood |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106123080A CN106123080A (en) | 2016-11-16 |
| CN106123080B true CN106123080B (en) | 2019-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610715307.9A Active CN106123080B (en) | 2016-08-24 | 2016-08-24 | Range hood |
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| Country | Link |
|---|---|
| CN (1) | CN106123080B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109425000A (en) * | 2017-08-23 | 2019-03-05 | 博西华电器（江苏）有限公司 | A kind of kitchen ventilator and its two fans system, negative pressure drainage structure |
| CN110425622A (en) * | 2019-09-06 | 2019-11-08 | 陈关锋 | A kind of range hood |
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| CN206018768U (en) * | 2016-08-24 | 2017-03-15 | 浙江苏泊尔家电制造有限公司 | Range hood |
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| CN2511896Y (en) * | 2001-08-14 | 2002-09-18 | 林官宝 | Series connected cooker hood |
| CN101329080A (en) * | 2008-07-30 | 2008-12-24 | 肖克贤 | Method for manufacturing down draft type cooking fume exhauster and down draft type cooking fume exhauster |
| CN202338495U (en) * | 2011-11-30 | 2012-07-18 | 江苏兆胜空调有限公司 | Portable liquamatic fan with smoke-eliminating and dust-removing functions |
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| Publication number | Publication date |
|---|---|
| CN106123080A (en) | 2016-11-16 |
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Effective date of registration: 20231130 Address after: 312073 No. 399, Xingbin Road, economic and Technological Development Zone, Keqiao District, Shaoxing City, Zhejiang Province Patentee after: Zhejiang SUPOR kitchen and bathroom Electrical Appliance Co.,Ltd. Patentee after: ZHEJIANG SUPOR ELECTRICAL APPLIANCES MANUFACTURING Co.,Ltd. Address before: No. 501, Bin'an Road, hi tech (Binjiang) District, Hangzhou City, Zhejiang Province 310051 Patentee before: ZHEJIANG SUPOR ELECTRICAL APPLIANCES MANUFACTURING Co.,Ltd. |