CN206648111U - A kind of top-sucking kitchen ventilator - Google Patents
A kind of top-sucking kitchen ventilator Download PDFInfo
- Publication number
- CN206648111U CN206648111U CN201720044678.9U CN201720044678U CN206648111U CN 206648111 U CN206648111 U CN 206648111U CN 201720044678 U CN201720044678 U CN 201720044678U CN 206648111 U CN206648111 U CN 206648111U
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- CN
- China
- Prior art keywords
- cowling panel
- fairing
- kitchen ventilator
- cowling
- sucking kitchen
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of top-sucking kitchen ventilator, including exhaust fume collecting hood and fairing, air inlet is offered on the exhaust fume collecting hood, the air inlet is provided with oil cleaner screen, it is characterised in that：The fairing is arranged on below the air inlet, the fairing includes the cowling panel of multiple strips, each cowling panel extends in the front and rear direction of range hood, and arranged side by side on the left and right direction of range hood, air intake passage is formed between two adjacent cowling panels, the incoming air area of the air intake passage is gradually increased to the left and right sides by the centre of fairing.By setting fairing below air inlet, and the incoming air area of fairing is gradually increased from centre to both sides, so as to which the negative pressure below air inlet be extended out to both sides, optimize negative pressure distribution, make it more reasonable, it is more evenly distributed, strengthens the control ability to both sides oil smoke, prevents fumes escaping.
Description
Technical field
A kind of range hood is the utility model is related to, especially a kind of top-sucking kitchen ventilator.
Background technology
With the improvement of living standard, the raising to quality of the life requirement, range hood is cooked as exhaustion in family kitchen
The important electrical equipment of oil smoke produced by timing, and be widely used in each family.
The subject matter that presently, there are is, when range hood works, is easily accumulated by the oil smoke in air channel in air channel
Substantial amounts of greasy dirt, because the greasy dirt viscosity of formation is larger, it is difficult to be discharged from the air outlet in air channel, cause corruption of the greasy dirt to pipeline
Erosion, reduces the service life of range hood, while improves the operation and maintenance cost of range hood, and another part is then
It is directly outer to arrange, considerable influence is produced to environment containing the material of a large amount of carcinogenic substances and particle more than pm2.5 in oil smoke.In order to solve
This problem, currently used way are the air inlet setting oil networks in range hood.But oil network only has simple oil filtering function,
The air-flow passed through can not effectively be guided so that the air inlet air-flow of range hood is chaotic, wind speed is small, easily causes to inhale
The disorder of lampblack absorber internal gas flow and noise.
Rectification layer is set to be made an uproar to reduce the turbulent flow and sinuous flow in air-flow so as to reduce in filter screen upstream therefore, there is now
The scheme of sound, a kind of screen pack as disclosed in the Chinese patent of Application No. 201410612221.4, including outer rectifier and interior
Filter layer, the first via is offered in outer rectifier, multiple cowling panels be arrangeding in parallel are provided with the first via；Internal filtration layer position
In the inner side of outer rectifier, and internal filtration layer is provided with multiple filter mesh.This cowling panel, negative pressure are uniformly distributed, for two
The control ability of side oil smoke is weaker, easily causes oil smoke and is escaped in both sides.
Utility model content
Technical problem to be solved in the utility model is in view of the above-mentioned problems of the prior art, providing a kind of improve
The top-sucking kitchen ventilator of smoke absorption effect.
Technical scheme is used by the utility model solves above-mentioned technical problem：A kind of top-sucking kitchen ventilator, including
Exhaust fume collecting hood and fairing, air inlet are offered on the exhaust fume collecting hood, the air inlet is provided with oil cleaner screen, and its feature exists
In：The fairing is arranged on below the air inlet, and the fairing includes the cowling panel of multiple strips, each whole
Flowing plate extends in the front and rear direction of range hood, and is arranged side by side on the left and right direction of range hood, adjacent
Form air intake passage between two cowling panels, the incoming air area of the air intake passage by fairing centre to the left and right sides
Gradually increase.
It is preferable according to the utility model, realized by two groups of cowling panels, the cowling panel includes at least two first
Cowling panel and at least two second cowling panels, first cowling panel are arranged between the centre of fairing and left end,
Second cowling panel is arranged between the centre of fairing and right-hand end, and the air intake passage includes being formed adjacent the
The second air intake passage of the first air intake passage, formation between adjacent second cowling panel between one cowling panel.
It is preferable according to the utility model, two groups of cowling panels are set in a manner of reversed dip, structure is convenient easily to be realized,
Air-flow is oriented to the air inlet of exhaust fume collecting hood by and can, and first cowling panel tilts gradually downward to the left from right side, and described second
Cowling panel is tilted gradually downward to the right by left side.
To ensure certain ventilation, first cowling panel is with respect to the inclination that the horizontal plane where itself right side is formed
Angle be the first cowling panel open angle α, positioned at centre the first cowling panel open angle α span for 10 °~
20 °, among first cowling panel to the left, open angle α is incremented by with certain amplitude.
To extend out effect with preferable negative pressure, amplitude incremental the open angle α of the first adjacent cowling panel for 5 °~
8°。
To ensure certain ventilation, second cowling panel is with respect to the inclination that the horizontal plane where itself left side is formed
Angle be the second cowling panel open angle β, positioned at centre the second cowling panel open angle β span for 10 °~
20 °, second cowling panel by it is middle to the right, open angle β is incremented by with certain amplitude.
To extend out effect with preferable negative pressure, amplitude incremental the open angle β of the second adjacent cowling panel for 5 °~
8°。
To avoid oil cleaner screen and the downward oil dripping of volute of blower, the left end of first cowling panel is folded upward at and formed
There is the first oil guide groove, the right-hand end of second cowling panel is folded upward at and formed with the second oil guide groove.
For ease of oil-collecting and cleaning, lubricating cup, first oil guide groove and second are provided with below the rear side of the exhaust fume collecting hood
Oil guide groove extends in front and rear direction, and the rear end of first oil guide groove and the second oil guide groove is extended to above lubricating cup, and described the
One cowling panel and the second cowling panel tilt down from front to back.
During make it that range hood shuts down, fairing can close upwards, to keep complete machine appearance looks elegant, and avoid dripping
Oil, the fairing also include the first motor, driving second cowling panel for driving the first cowling panel rotation
Second motor of rotation.
To avoid windage excessive, the air inlet of air inlet is influenceed, while again in order to avoid fairing is made a slip of the tongue apart from air intake
The effect of rectification far is lost, in the vertical direction between the extreme lower position of the oil cleaner screen and the extreme higher position of fairing
Distance is d1, and the distance of in the vertical direction is between the extreme lower position of the oil cleaner screen and the extreme lower position of exhaust fume collecting hood, 0.4≤
d1/d2≤0.7。
Compared with prior art, the utility model has the advantage of：By setting fairing below air inlet, and
So that the incoming air area of fairing gradually increases from centre to both sides, so as to which the negative pressure below air inlet be extended out to both sides,
Optimize negative pressure distribution, make it more reasonable, be more evenly distributed, strengthen the control ability to both sides oil smoke, to prevent fumes escaping.
Brief description of the drawings
Fig. 1 is the fairing closure state schematic diagram of range hood of the present utility model；
Fig. 2 is the front section view of Fig. 1 range hood；
Fig. 3 is the side sectional view of Fig. 1 range hood；
Fig. 4 is the fairing open mode schematic diagram of range hood of the present utility model；
Fig. 5 is the front section view of Fig. 4 range hood；
Fig. 6 is the schematic diagram of the fairing of the closure state of range hood of the present utility model；
Fig. 7 is the schematic diagram of the fairing of the open mode of range hood of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing embodiment.
Referring to Fig. 1~Fig. 3, Fig. 6, a kind of top-sucking kitchen ventilator, including exhaust fume collecting hood 1, the blower fan above exhaust fume collecting hood 1
2 are covered, blower fan 3 is provided with fan shroud 2.The overall depression upwards of exhaust fume collecting hood 1 forms smoke collecting chamber 11, and air intake is offered on exhaust fume collecting hood 1
Mouthfuls 12, by smoke collecting chamber 11 with connected in fan shroud 2.Oil cleaner screen 4 is installed, so that oil smoke is from air inlet at air inlet 12
12 enter first progress grease separation before blower fan 3, avoid largely accumulating in air channel.Oil is provided with below the rear side of exhaust fume collecting hood 1
Cup 6, lubricating cup 6 is elongated, is upwardly extended in left and right side.For ease of description, in this manual, "front", "rear", " left side ",
" right side " all referring to the position using relative user during range hood, " preceding " refers to range hood close to the side of user, " rear "
Refer to side of the range hood away from user, left side when " left side " instigates the user to face range hood, " right side " instigates user to face
Right side during range hood.
The lower section of air inlet 12 is provided with fairing 5, and fairing 5 includes the cowling panel of multiple strips, each rectification
Plate extends in front and rear direction, and is arranged side by side on left and right direction.
Cowling panel includes the first cowling panel 51 and the second cowling panel 52, and the first cowling panel 51 and the second cowling panel 52 are respectively
At least two, the first cowling panel 51 is arranged among fairing 5 between left end, and the second cowling panel 52 is arranged in rectification
Among device 5 between right-hand end.Preferably, the first cowling panel 51 and the second cowling panel 52 are arranged symmetrically.
In the present embodiment, the first cowling panel 51 is arranged in left side, and the second cowling panel 52 is arranged in right side, the first rectification
The front end of plate 51 is provided with the first motor 53, and the front end of the second cowling panel 52 is provided with the second motor 54, and first drives
The dynamic motor 54 of motor 53 and second can be arranged in exhaust fume collecting hood 1, or can also be by the first motor 53 and second
Motor 54 is arranged on the rear side of exhaust fume collecting hood 1, its output shaft through exhaust fume collecting hood 1 and with the first cowling panel 51 and the second cowling panel 52
Connection.The left end of first cowling panel 51 is folded upward at and formed with the first oil guide groove 551, the right-hand end of the second cowling panel 52
Portion is folded upward at and prolonged formed with the second oil guide groove 552, the first oil guide groove 551 and the second oil guide groove 552 in front and rear direction
Stretch, its rear end extends to the top of lubricating cup 6, so as to which the oil droplet accumulated on cowling panel is directed in lubricating cup 6.First cowling panel 51
Tilted down from front to back with the second cowling panel 52, inclined angle is 1 °~2 °, facilitates Oil Guide, while solve oil cleaner screen 4
And the oil dripping problem of the spiral case of blower fan 3.
Referring to Fig. 4, Fig. 5 and Fig. 7, when range hood works, the first motor 53 and the second motor 54 start,
First cowling panel 51 and the second cowling panel 52 are rotated a certain angle, the side of the first cowling panel 51 and the rotation of the second cowling panel 52
To on the contrary, in the present embodiment, the first cowling panel 51 is rotated down counterclockwise around with the junction of the first motor 53, and second is whole
Flowing plate 52 is rotated down clockwise around with the junction of the second motor 54, is finally the first cowling panel in the open mode of cowling panel
51 are tilted gradually downward to the left from right side, and the second cowling panel 52 is tilted gradually downward to the right by left side.
The open angle of first cowling panel 51 is α, and (first is whole for horizontal plane where α refers to 51 its relative right side of the first cowling panel
Plane where the extreme higher position of flowing plate 51, the left side of the first cowling panel 51 are to be rotated down opening from initial extreme higher position) shape
Into angle of inclination, the open angle α span positioned at the first cowling panel 51 of centre is preferably 10 °~20 °, in
Between to the left, the open angle α of the first cowling panel 51 be incremented by with certain amplitude, the amplitude is preferably 5 °~8 °.Likewise,
The open angle of second cowling panel 52 is β, and horizontal plane where β refers to 52 its relative left side of the second cowling panel be (the second cowling panel 52
Plane where extreme higher position, the right side of the second cowling panel 52 is is rotated down openings from initial extreme higher position) inclination of formation
Angle, the span positioned at the open angle β of the second cowling panel 52 of centre are preferably 10 °~20 °, by centre to the right
Side, the open angle β of the second cowling panel 52 are incremented by with certain amplitude, and the amplitude is preferably 5 °~8 °.Adjacent two
The first air intake passage 561 and second of fairing 5 is formed between one cowling panel 51, between adjacent two the second cowling panels 52
Vent passages 562.
The gradual change of this open angle is incremented by, i.e., (the first air intake passage 561 and second enters the incoming air area of fairing 5
The area of wind passage 562) gradually increase from centre to both sides, the negative pressuren zone of the lower section of air inlet 12 of exhaust fume collecting hood 1 can be caused to two
Side extends out, and optimization negative pressure distribution, makes it more reasonable, is more evenly distributed, strengthen the control ability to both sides oil smoke, to prevent oil smoke
Escape.
The fairing of open mode, there is rectified action, Ke Yiqi for the air-flow of the lower section of air inlet 12 of exhaust fume collecting hood 1
To noise reduction.
When range hood is closed, the first cowling panel 51 and the second cowling panel 52 are in horizontal closed form
State, range hood oil dripping when not working is prevented, while also improve the overall aesthetic degree of range hood.
To avoid windage excessive, the air inlet of air inlet 12 is influenceed, while again in order to avoid fairing 5 is apart from air inlet
12 lose the effect of rectification too far, in the vertical direction between the extreme lower position of oil cleaner screen 4 and the extreme higher position of fairing 5
Distance be d1, the distance of in the vertical direction is d2 between the extreme lower position of oil cleaner screen 4 and the extreme lower position of exhaust fume collecting hood 1,0.4
≤d1/d2≤0.7。
Alternatively, it is also possible that cowling panel is fixed open angle, i.e., when range hood works and do not worked
Above-mentioned open mode is held in, without being driven with motor, now cowling panel can be by setting connecting shaft and collection cigarette in front end
Cover 1 is fixed or rectification front edge of board is directly fixed with exhaust fume collecting hood 1.
Claims (11)
1. a kind of top-sucking kitchen ventilator, including exhaust fume collecting hood (1) and fairing (5), air intake is offered on the exhaust fume collecting hood (1)
Mouth (12), air inlet (12) place are provided with oil cleaner screen (4), it is characterised in that：The fairing (5) is entered described in being arranged on
Below air port (12), the fairing (5) includes the cowling panel of multiple strips, each cowling panel before range hood,
Rear upwardly extends, and is arranged side by side on the left and right direction of range hood, formed between adjacent two cowling panels into
Wind passage, the incoming air area of the air intake passage are gradually increased to the left and right sides by the centre of fairing (5).
2. top-sucking kitchen ventilator as claimed in claim 1, it is characterised in that：It is whole that the cowling panel includes at least two first
Flowing plate (51) and at least two second cowling panels (52), first cowling panel (51) be arranged in fairing (5) centre and
Between left end, second cowling panel (52) is arranged between centre and the right-hand end of fairing (5), the air intake
Passage include formed between adjacent first cowling panel (51) the first air intake passage (561), formed in adjacent second cowling panel
(52) the second air intake passage (562) between.
3. top-sucking kitchen ventilator as claimed in claim 2, it is characterised in that：First cowling panel (51) from right side to the left
Side is tilted gradually downward, and second cowling panel (52) is tilted gradually downward to the right by left side.
4. top-sucking kitchen ventilator as claimed in claim 3, it is characterised in that：First cowling panel (51) is right with respect to itself
The angle of inclination that horizontal plane where side is formed is the open angle α of the first cowling panel (51), positioned at the first middle rectification
The open angle α of plate (51) span is 10 °~20 °, and first cowling panel (51) is middle to the left, open angle α
It is incremented by with certain amplitude.
5. top-sucking kitchen ventilator as claimed in claim 4, it is characterised in that：The opening angle of adjacent the first cowling panel (51)
It is 5 °~8 ° to spend the incremental amplitudes of α.
6. top-sucking kitchen ventilator as claimed in claim 3, it is characterised in that：Second cowling panel (52) is left with respect to itself
The angle of inclination that horizontal plane where side is formed is the open angle β of the second cowling panel (52), positioned at the second middle rectification
The open angle β of plate (52) span is 10 °~20 °, second cowling panel (52) by it is middle to the right, open angle
β is incremented by with certain amplitude.
7. top-sucking kitchen ventilator as claimed in claim 4, it is characterised in that：The opening angle of adjacent the second cowling panel (52)
It is 5 °~8 ° to spend the incremental amplitudes of β.
8. the top-sucking kitchen ventilator as any one of claim 2~7, it is characterised in that：First cowling panel
(51) left end is folded upward at and formed with the first oil guide groove (551), the right-hand end of second cowling panel (52) to
It is upper bending and formed with the second oil guide groove (552), first oil guide groove (551) and the second oil guide groove (552) are in front and rear direction
Upper extension.
9. top-sucking kitchen ventilator as claimed in claim 8, it is characterised in that：Set below the rear side of the exhaust fume collecting hood (1)
There is a lubricating cup (6), the rear end of first oil guide groove (551) and the second oil guide groove (552) is extended to above lubricating cup (6), and described the
One cowling panel (51) and the second cowling panel (52) tilt down from front to back.
10. the top-sucking kitchen ventilator as any one of claim 2~7, it is characterised in that：The fairing (5)
Also include driving the second cowling panel (52) rotation of the first motor (53) of the first cowling panel (51) rotation, driving
The second motor (54).
11. such as top-sucking kitchen ventilator according to any one of claims 1 to 7, it is characterised in that：The oil cleaner screen (4)
The distance of in the vertical direction is d1 between the extreme higher position of extreme lower position and fairing (5), the oil cleaner screen (4) it is minimum
The distance of in the vertical direction is d2 between the extreme lower position of position and exhaust fume collecting hood (1), 0.4≤d1/d2≤0.7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720044678.9U CN206648111U (en) | 2017-01-13 | 2017-01-13 | A kind of top-sucking kitchen ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720044678.9U CN206648111U (en) | 2017-01-13 | 2017-01-13 | A kind of top-sucking kitchen ventilator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206648111U true CN206648111U (en) | 2017-11-17 |
Family
ID=60282766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720044678.9U Withdrawn - After Issue CN206648111U (en) | 2017-01-13 | 2017-01-13 | A kind of top-sucking kitchen ventilator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206648111U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107191985A (en) * | 2017-01-13 | 2017-09-22 | 宁波方太厨具有限公司 | A kind of top-sucking kitchen ventilator |
| CN108105827A (en) * | 2018-03-09 | 2018-06-01 | 张建会 | A kind of filtration system of fume exhausting fan |
| CN108954442A (en) * | 2018-03-08 | 2018-12-07 | 佛山市云米电器科技有限公司 | A kind of kitchen ventilator and noise-reduction method with denoising device |
-
2017
- 2017-01-13 CN CN201720044678.9U patent/CN206648111U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107191985A (en) * | 2017-01-13 | 2017-09-22 | 宁波方太厨具有限公司 | A kind of top-sucking kitchen ventilator |
| CN108954442A (en) * | 2018-03-08 | 2018-12-07 | 佛山市云米电器科技有限公司 | A kind of kitchen ventilator and noise-reduction method with denoising device |
| CN108105827A (en) * | 2018-03-09 | 2018-06-01 | 张建会 | A kind of filtration system of fume exhausting fan |
| CN108105827B (en) * | 2018-03-09 | 2021-05-14 | 西安智财全技术转移中心有限公司 | Filtering system of range hood |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171117 Effective date of abandoning: 20221021 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20171117 Effective date of abandoning: 20221021 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |