CN109424999A - Range hood - Google Patents
Range hood Download PDFInfo
- Publication number
- CN109424999A CN109424999A CN201710721729.1A CN201710721729A CN109424999A CN 109424999 A CN109424999 A CN 109424999A CN 201710721729 A CN201710721729 A CN 201710721729A CN 109424999 A CN109424999 A CN 109424999A
- Authority
- CN
- China
- Prior art keywords
- smoke
- collecting chamber
- suction inlet
- oil
- smoke collecting
- 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.)
- Granted
Links
- 239000000779 smoke Substances 0.000 claims abstract description 109
- 239000003517 fume Substances 0.000 claims abstract description 24
- 235000019504 cigarettes Nutrition 0.000 claims abstract description 15
- 238000005192 partition Methods 0.000 claims description 6
- 238000005119 centrifugation Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 16
- 239000008896 Opium Substances 0.000 abstract 1
- 229960001027 opium Drugs 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000003447 ipsilateral effect Effects 0.000 description 1
- 230000002195 synergetic effect Effects 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
- F24C15/2071—Removing cooking fumes mounting of cooking hood
Abstract
The present invention relates to a kind of range hoods, including the exhaust fume collecting hood (2) for being mounted therein with the cabinet (1) of centrifugal blower (4) and being connected to below the cabinet (1), smoke collecting chamber is formed between cabinet (1) and exhaust fume collecting hood (2), the smoke collecting chamber is connected to the suction inlet of the centrifugal blower in the cabinet (1)；The exhaust fume collecting hood (2) includes left and right side plate (21) and the oil guide plate (24) being obliquely installed that is connected between left and right side plate (21)；It is characterized by: the middle part of the oil guide plate (24) is equipped with oil smoke suction inlet (22) close to the lower edge position of oil guide plate (24), the oil smoke suction inlet (22) is connected to the smoke collecting chamber by the inner cavity of the exhaust fume collecting hood (2).The present invention can effectively avoid running cigarette, have good suction effect to opium, small cigarette, and anti-external air flow jamming performance is good.
Description
Technical field
The present invention relates to the good range hoods in range hood field more particularly to a kind of suction effect.
Background technique
CN201610905111.6 discloses " a kind of range hood ", including cabinet and the collection cigarette being connected to below cabinet
Cover, cabinet is interior to be equipped with centrifugal blower, and the exhaust fume collecting hood is equipped with the air inlet for being connected to the inner cavity of the cabinet；It is characterized in that institute
Stating centrifugal blower is Double suction type centrifugal wind motor；The exhaust fume collecting hood includes mutually independent first cavity and the second cavity, it is described into
Air port is connected to first cavity, and first cavity is connected to the advance air port of the centrifugal blower；Second cavity is downward
Extend and have the inclined-plane to turn forward from bottom to top, left side axial flow blower and right-hand axis stream wind are equipped at intervals on the inclined-plane
Machine, second cavity is interior to be divided into left channel corresponding with the left side axial flow blower for second cavity equipped with partition
With right channel corresponding with the right side axial flow blower, the left channel is connected to the centrifugation with second airflow channel
The rear air inlet of blower.And it is equipped with temperature-detecting device, judges whether the left and right sides has kitchen range work, when side work,
The axial flow blower being arranged on corresponding position kitchen ventilator is opened, improves the effluent amount, and then improve smoke absorption effect.This application is in stove
When the work of tool unilateral side, kitchen ventilator flow can be efficiently used, improves smoke absorption effect, race caused by less external air flow disturbance
Cigarette problem, but when an axial flow blower works, another also can be with flow rotation, and then occupies a part of kitchen ventilator
Flow reduces and singly opens the due effect in side.
Summary of the invention
There is provided one kind the technical problem to be solved by the present invention is to the status for the prior art can effectively avoid running cigarette
The good range hood of suction effect.
The technical scheme of the invention to solve the technical problem is: the range hood, including be mounted therein with from
The cabinet of heart blower and the exhaust fume collecting hood being connected to below the cabinet, are formed with smoke collecting chamber, the collection between cabinet and exhaust fume collecting hood
Smoke chamber is connected to the suction inlet of the centrifugal blower in the cabinet；The exhaust fume collecting hood includes left and right side plate and is connected to left and right side
The oil guide plate being obliquely installed between plate；
It is characterized by:
The middle part of the oil guide plate is equipped with oil smoke suction inlet close to the lower edge position of oil guide plate, and the oil smoke suction inlet is logical
The inner cavity for crossing the exhaust fume collecting hood is connected to the smoke collecting chamber.
As an improvement, the centrifugal blower can have the second suction inlet of preposition the first suction inlet and postposition；
Partition is connected between the upper edge of the oil guide plate and the spiral case of the centrifugal blower, the partition passes through described
The smoke collecting chamber is divided into preceding smoke collecting chamber and rear smoke collecting chamber by smoke collecting chamber, and by the first suction inlet of the centrifugal blower and second
Suction inlet is kept apart；
The preceding smoke collecting chamber is connected to the first suction inlet of the centrifugal blower, and the rear smoke collecting chamber is connected to the exhaust fume collecting hood
Inner cavity and second suction inlet.The structure can further avoid entering the interference that oil smoke is mutual in two suction inlets,
More preferably suction effect can be obtained.
It is 1~3:1 via the aspiration Q1 and the ratio between the aspiration Q2 via the rear smoke collecting chamber of the preceding smoke collecting chamber.
Preferably, the vertical distance >=300mm between the oil smoke suction inlet and the smoke collecting chamber.Smoke collecting chamber setting is existed
Farther out apart from cookware the speed of quick ascension can be preferably absorbed in the above position oil smoke suction inlet 300mm apart from lower part
Biggish oil smoke, because big oil smoke speed is fast, upward dash is big, and closer air inlet can not grab the flow at high speed oil of process
Cigarette, and when oil smoke reaches remotely air inlet, oil smoke speed is decreased, draws be more easier at this time.Two air inlets
It cooperates, synergistic effect can effectively avoid running cigarette, and anti-external disturbance performance is good.
The front-end edge of the left and right side plate externally protrudes out in the 30~100mm of oil guide plate；The left and right side plate evagination
Part and the surface of the oil guide plate form collection cigarette slot, are formed and hold together cigarette district, obtain better suction effect.If the distance of evagination
It is too deep, it will lead to oil smoke undiscipline；If evagination is too shallow, oil smoke can be crashed on oil guide plate, under the action of oil guide plate outward
Rebound；It will influence suction effect.
Further, the oil smoke suction inlet can be mutually perpendicular to the inlet face of the smoke collecting chamber.The structure makes two
A oil smoke entrance is cooperated, is complementary to one another, so that most of oil smoke is quickly siphoned away via smoke collecting chamber, fraction oil smoke enters
Oil smoke suction inlet effectively avoids running cigarette phenomenon and shields external air flow interference.
It is preferred that the ratio between length and width of the oil smoke suction inlet is 8~15:1.The structure can either guarantee suction velocity, with compared with
High flow velocity sucks oil smoke, can also guarantee inhalation area, to guarantee suction effect.
Preferably, the length of the oil smoke suction inlet can be 400~600mm.The program can combine left and right
The suction of the oil smoke of two sides kitchen range.
Preferably, the width of the smoke collecting chamber can be 30~80mm；The program can guarantee the flow velocity of oil smoke, improve suction
Effect.
Compared with prior art, range hood provided by the present invention on oil guide plate by being arranged oil smoke suction inlet, shape
At upper and lower two air inlets, wherein lower air inlet is closer apart from cookware, there is bigger attraction for oil smoke, can be good at by
Oil smoke inhales control into kitchen ventilator smoke collecting chamber, reduces diffusion of oil smoke during ascension, mainly for lesser oil smoke, because compared with
Small oil smoke speed is low, and the upward dash of oil smoke is small, and air inlet distance closely can easily draw oil smoke, holds after the diffusion of remote oil smoke
Easily escape；Oil smoke suction inlet is usually arranged in the middle position of oil guide plate, generated oil smoke can will be cooked and inwardly aspirate,
Oil smoke is avoided to surrounding diffusion, escape, suction effect is more preferable.
Detailed description of the invention
Fig. 1 is the stereoscopic schematic diagram of assembling structure of the embodiment of the present invention；
Fig. 2 is the longitudinal sectional view of assembling structure of the embodiment of the present invention；
Fig. 3 is the stereoscopic schematic diagram after the left plate of removal exhaust fume collecting hood of the embodiment of the present invention；
Fig. 4 is that oil smoke channel is formed by between forward and backward smoke collecting chamber and cavity and centrifugal blower in the embodiment of the present invention
Relational graph.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
As shown in Figures 1 to 4, which includes:
Cabinet 1 is mounted therein with centrifugal blower 4；Centrifugal blower in the present embodiment is Double suction type centrifugal wind motor, before having
Second suction inlet 42 of the first suction inlet 41 set and postposition.
Exhaust fume collecting hood 2 is connected to the lower section of cabinet 1, is formed with smoke collecting chamber between cabinet 1 and exhaust fume collecting hood 2；Exhaust fume collecting hood 2 includes
Left and right side plate 21 and the oil guide plate 24 being obliquely installed and vertically arranged backboard 27 being connected between left and right side plate 21 enclose
It closes, the lower ora terminalis of the lower ora terminalis connection backboard 27 of oil guide plate 24.
The front-end edge of left and right side plate 21 externally protrudes out in forward oil guide plate 50mm；The part of 21 evagination of left and right side plate and Oil Guide
The surface of plate 24 forms collection cigarette slot 23, holds together cigarette to facilitate, and rebound escape after avoiding oil smoke from colliding oil guide plate.
The upper edge of oil guide plate 24 is located at the middle part of smoke collecting chamber, and smoke collecting chamber is divided into preceding smoke collecting chamber 25 and rear smoke collecting chamber
26.The upper edge of oil guide plate 24 is connected with partition 3, and partition 3 extend into the spiral case 43 of connection centrifugal blower 4 in cabinet 1, thus will
The first suction inlet 41 and the second suction inlet 42 of centrifugal blower are kept apart；Smoke collecting chamber 25 is only connected to centrifugal blower before making first inhales
Entrance 41, rear smoke collecting chamber 26 are only connected to the second suction inlet 42 of centrifugal blower 4.
Smoke collecting chamber 26 after the cavity 28 of exhaust fume collecting hood 2 is connected to.
Oil guide plate 24 is equipped with the oil smoke suction inlet 22 of connection cavity 28.Oil smoke suction inlet 22 in the present embodiment, which is located at, leads
The lower edge of the medium position of oiled-plate method and close oil guide plate, oil smoke suction inlet 22 are connected to the cavity 28 of exhaust fume collecting hood.
The entrance face of oil smoke suction inlet is vertically arranged, and the entrance face of smoke collecting chamber is laterally arranged, and is mutually perpendicular；Oil
Vertical distance between cigarette suction inlet 22 and smoke collecting chamber 21 is 350mm.
The length of oil smoke suction inlet 22 is 500mm, width 50mm in the present embodiment；The width of smoke collecting chamber 21 is 50mm,
So that aspiration Q1 and the ratio between the aspiration Q2 via oil smoke suction inlet 22 via smoke collecting chamber 21 is 2:1.
When the range hood works, generated oil smoke is cooked under the action of centrifugal blower, about the oil smoke of one third
Enter in the cavity of exhaust fume collecting hood via oil smoke suction inlet 22, the second suction inlet quilt of centrifugal blower is then entered via rear smoke collecting chamber
Drain；About 2/3rds oil smoke is discharged via the second suction inlet that preceding smoke collecting chamber enters centrifugal blower.
By the comparison of range hood and conventional range hood progress suction effect in the present embodiment.
Conventional range hood is there was only smoke collecting chamber, and oil guide plate is tabular, is not provided with oil smoke suction inlet；And opening oil
After smoke machine, flow shows that the present embodiment and the parameter of conventional range hood are consistent with pressure detecting system.
Under identical operating condition and external condition, in the ipsilateral same distance of two kitchen ventilators, same location setting is the same as a batch
The secondary small blower of interference, interferes fume-exhausting environment, controls the size of interference air-flow by adjusting small blower supply voltage.
Under noiseless situation, two kitchen ventilators have preferable smoke absorption effect, when being gradually increased annoyance level, often
Rule range hood occurs fumes escaping phenomenon in the case where interfering small blower 3v voltage；And the range hood in the present embodiment is in 4.5v
Just start to run cigarette under interference voltage.
This explanation, under same blower fan system behavior pattern, range hood of the invention has more excellent fume-exhausting
Effect, and reasonable the distance between air inlet ratio and upper and lower air inlet, so that this patent can be realized large and small oil smoke
Double excellent absorption effects.
Claims (9)
1. a kind of range hood, including being mounted therein with the cabinet (1) of centrifugal blower (4) and being connected to below the cabinet (1)
Exhaust fume collecting hood (2), be formed with smoke collecting chamber between cabinet (1) and exhaust fume collecting hood (2), the smoke collecting chamber is connected in the cabinet (1)
The suction inlet of centrifugal blower；The exhaust fume collecting hood (2) includes left and right side plate (21) and is connected between left and right side plate (21)
The oil guide plate (24) being obliquely installed；
It is characterized by:
The middle part of the oil guide plate (24) is equipped with oil smoke suction inlet (22) close to the lower edge position of oil guide plate (24), the oil smoke
Suction inlet (22) is connected to the smoke collecting chamber by the inner cavity of the exhaust fume collecting hood (2).
2. range hood according to claim 1, it is characterised in that the centrifugal blower (4) has the first preposition sucking
The second suction inlet (42) of mouth (41) and postposition；
Be connected with partition (3) between the upper edge of the oil guide plate (24) and the spiral case (43) of the centrifugal blower (4), it is described every
Plate (3) passes through the smoke collecting chamber and the smoke collecting chamber is divided into preceding smoke collecting chamber (25) and rear smoke collecting chamber (26), and by the centrifugation
The first suction inlet (41) and the second suction inlet (42) of blower are kept apart；
The preceding smoke collecting chamber (25) is connected to the first suction inlet (41) of the centrifugal blower, it is described after described in smoke collecting chamber (26) connection
The inner cavity of exhaust fume collecting hood and second suction inlet (42).
3. range hood according to claim 2, it is characterised in that via the preceding smoke collecting chamber (25) aspiration Q1 with
The ratio between aspiration Q2 via the rear smoke collecting chamber (26) is 1~3:1.
4. according to claim 1 to range hood described in 3 any claims, it is characterised in that the oil smoke suction inlet (22)
Vertical distance >=300mm between the smoke collecting chamber.
5. range hood according to claim 4, it is characterised in that the front-end edge of the left and right side plate (21) externally protrudes out in
(24) 30~100mm of oil guide plate；The part of left and right side plate (21) evagination and the surface of the oil guide plate (24) are formed
Collect cigarette slot (23).
6. range hood according to claim 5, it is characterised in that the inlet face of the oil smoke suction inlet (22) with it is described
The inlet face of smoke collecting chamber is mutually perpendicular to.
7. range hood according to claim 6, it is characterised in that the ratio between length and width of the oil smoke suction inlet (22) is 8
~15:1.
8. range hood according to claim 7, it is characterised in that the length of the oil smoke suction inlet (22) be 400~
600mm。
9. range hood according to claim 8, it is characterised in that the width of the smoke collecting chamber (21) is 30~80mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710721729.1A CN109424999B (en) | 2017-08-22 | 2017-08-22 | Fume exhaust fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710721729.1A CN109424999B (en) | 2017-08-22 | 2017-08-22 | Fume exhaust fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109424999A true CN109424999A (en) | 2019-03-05 |
| CN109424999B CN109424999B (en) | 2024-01-16 |
Family
ID=65498012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710721729.1A Active CN109424999B (en) | 2017-08-22 | 2017-08-22 | Fume exhaust fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109424999B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113154491A (en) * | 2021-03-29 | 2021-07-23 | 宁波方太厨具有限公司 | Fume exhaust fan |
| CN113154490A (en) * | 2021-03-29 | 2021-07-23 | 宁波方太厨具有限公司 | Fume exhaust fan |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2658619Y (en) * | 2003-10-15 | 2004-11-24 | 中山华帝燃具股份有限公司 | Oil filter for filtering type enviornmental protection kitchen ventilator |
| CN104141975A (en) * | 2013-05-09 | 2014-11-12 | 博西华电器（江苏）有限公司 | Side draft smoke ventilator shell and side draft smoke ventilator |
| CN204115037U (en) * | 2014-09-01 | 2015-01-21 | 蔡爱文 | Range hood with improved oil fume suction mode |
| CN204285557U (en) * | 2014-11-04 | 2015-04-22 | 杭州老板电器股份有限公司 | A kind of side-sucking oil smoke sucking machine trapezoidal hold together smoke chamber structure |
| CN106152219A (en) * | 2016-08-19 | 2016-11-23 | 宁波方太厨具有限公司 | A kind of oil smoke leading type range hood |
| CN206361764U (en) * | 2016-12-09 | 2017-07-28 | 成都前锋电子有限责任公司 | A kind of integrally formed L-type range hood of internal oil guide plate |
| CN207050052U (en) * | 2017-08-22 | 2018-02-27 | 宁波方太厨具有限公司 | Range hood |
-
2017
- 2017-08-22 CN CN201710721729.1A patent/CN109424999B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2658619Y (en) * | 2003-10-15 | 2004-11-24 | 中山华帝燃具股份有限公司 | Oil filter for filtering type enviornmental protection kitchen ventilator |
| CN104141975A (en) * | 2013-05-09 | 2014-11-12 | 博西华电器（江苏）有限公司 | Side draft smoke ventilator shell and side draft smoke ventilator |
| CN204115037U (en) * | 2014-09-01 | 2015-01-21 | 蔡爱文 | Range hood with improved oil fume suction mode |
| CN204285557U (en) * | 2014-11-04 | 2015-04-22 | 杭州老板电器股份有限公司 | A kind of side-sucking oil smoke sucking machine trapezoidal hold together smoke chamber structure |
| CN106152219A (en) * | 2016-08-19 | 2016-11-23 | 宁波方太厨具有限公司 | A kind of oil smoke leading type range hood |
| CN206361764U (en) * | 2016-12-09 | 2017-07-28 | 成都前锋电子有限责任公司 | A kind of integrally formed L-type range hood of internal oil guide plate |
| CN207050052U (en) * | 2017-08-22 | 2018-02-27 | 宁波方太厨具有限公司 | Range hood |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113154491A (en) * | 2021-03-29 | 2021-07-23 | 宁波方太厨具有限公司 | Fume exhaust fan |
| CN113154490A (en) * | 2021-03-29 | 2021-07-23 | 宁波方太厨具有限公司 | Fume exhaust fan |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109424999B (en) | 2024-01-16 |
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| GR01 | Patent grant |