CN203052775U - Range hood - Google Patents
Range hood Download PDFInfo
- Publication number
- CN203052775U CN203052775U CN 201220597117 CN201220597117U CN203052775U CN 203052775 U CN203052775 U CN 203052775U CN 201220597117 CN201220597117 CN 201220597117 CN 201220597117 U CN201220597117 U CN 201220597117U CN 203052775 U CN203052775 U CN 203052775U
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- China
- Prior art keywords
- angle
- sheet
- range hood
- left wing
- wing sheet
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- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses a range hood which comprises a smoke collection cover, wherein an air inlet is formed in the smoke collection cover; and a smoke guide plate is arranged at a position opposite to the air inlet. The range hood is characterized in that a fixing shaft is arranged at the air inlet; and the smoke guide plate comprises a left wing sheet and a right wing sheet which are rotatably arranged on the left side and right side of the fixing shaft. When the range hood is started, the left wing sheet and the right wing sheet are downwards rotated a preset angle and are downwards inclined; a speed reduction and flow guide lower inner cavity is formed below the lower surfaces of the left wing sheet and the right wing sheet; acceleration upper inner cavities are respectively formed between the upper surface of the left wing sheet and the lower surface of the smoke collection cover as well as between upper surface of the right wing sheet and the lower surface of the smoke collection cover; the section of the upper inner cavity is gradually reduced from the outer side to the inner side; and when the range hood is stopped, the left wing sheet and the right wing sheet are upwards rotated a preset angle and are upwards inclined. Due to a design of two inner cavities, by a venturi effect and a Coanda effect, lampblack can be completely covered and can be cleaned quickly.
Description
Technical field
The utility model relates to a kind of range hood, especially a kind of range hood of the two inner chambers that are formed for cigarette with smoke deflector.
Background technology
Existing range hood, the place arranges smoke deflector at air inlet, and smoke deflector and air inlet are reserved certain distance, can effectively oil smoke condensation be separated, and the passage of air intake are many, has guaranteed enough incoming air areas, and it is higher to make that oil suction efficient compares.
Publication number as the applicant is the Chinese patent application of CN101514823A, a kind of range hood with smoke deflector is disclosed, have body, exhaust fume collecting hood and smoke deflector, exhaust fume collecting hood is provided with air inlet, smoke deflector maintains predetermined spacing over against this air inlet setting and with exhaust fume collecting hood, hold the oil smoke passage that oil smoke passes through thereby be formed with between smoke deflector and exhaust fume collecting hood, the smoke deflector at corresponding oil smoke passage place and the spacing between the exhaust fume collecting hood circumferential air inlet direction outside smoke deflector is the gesture that reduces gradually.And for example publication No. is the disclosed a kind of range hood of Chinese patent application of CN101701726A, comprise by smoke deflector, exhaust fume collecting hood, screens and casing, exhaust fume collecting hood is provided with air inlet, and smoke deflector is over against the air inlet setting, and maintains predetermined spacing with exhaust fume collecting hood.
Above-mentioned this smoke deflector, the distance of itself and oil smoke is far away, has part and running into diffusion before the smoke deflector and can not creep along the attached wall of smoke deflector in the oil smoke uphill process, and this makes that the effect of cigarette is not very desirable; In addition, because smoke deflector is fixing plane or curved surface, when lampblack absorber is stopped using, the oil after oil smoke condensation separates can not well flow into oil-collecting device, can cause part oil to remain on the smoke deflector, makes the comparatively inconvenience of cleaning of smoke deflector.
The utility model content
Technical problem to be solved in the utility model provides that a kind of to hold together cigarette effective, collects oil easily with the range hood of smoke deflector.
The utility model solves the problems of the technologies described above the technical scheme that adopts: a kind of range hood, comprise exhaust fume collecting hood, described exhaust fume collecting hood is provided with air inlet, the place is provided with smoke deflector over against air inlet, it is characterized in that, described air inlet place is provided with fixed axis, and described smoke deflector comprises left wing's sheet and the right flank sheet that is arranged on the described fixed axis left and right sides respectively rotationally; When described range hood is opened, described left wing sheet and right flank sheet are downward-sloping state after rotating predetermined angle, constitute the lower inner cavity of deceleration and water conservancy diversion under the lower surface of described left wing sheet and right flank sheet, constitute the last inner chamber that accelerates between the upper surface of described left wing sheet and right flank sheet and the lower surface of described exhaust fume collecting hood, the described cross section outside-in of going up inner chamber reduces gradually; When described range hood was closed, described left wing sheet and right flank sheet were acclivitous state after upwards rotating predetermined angle.
Form first angle between the lower surface of described left wing sheet and right flank sheet, described left wing sheet and right flank sheet are respectively and form the second angle β between the described exhaust fume collecting hood
1With the 3rd angle β
2, when described left wing sheet and right flank sheet constituted lower inner cavity, first angle was less than 180 °, the second angle β
1With the 3rd angle β
2Be acute angle.When range hood is installed in the different environments for use, resistance to flow output is inconsistent, the oil smoke amount varies in size or setting height(from bottom) not simultaneously, can adjust the first angle α, the second angle β manually or automatically
1Or the 3rd angle β
2, make lampblack absorber adapt to different behaviours in service, to guarantee the ability of best eliminating oil smoke.
When needing to regulate smoke deflector automatically, described smoke deflector is driven by the drive unit that is arranged in the described fixed axis, thereby the outlet of described range hood is provided with the resistance to flow output induction installation and according to described resistance to flow output induction installation described drive unit is regulated and to be changed the described first angle α, the second angle β
1Or the 3rd angle β
2Control system.
Described smoke deflector is driven by the drive unit that is arranged in the described fixed axis, thereby described exhaust fume collecting hood side is provided with for the smell induction installation of the excessive oil smoke of induction and according to described smell induction installation described drive unit to be regulated and changes the described first angle α, the second angle β
1Or the 3rd angle β
2Control system.
Described exhaust fume collecting hood tilts above described exhaust fume collecting hood respectively in the part of described air inlet both sides, formation is the recessed curved surface of lowest part with described air inlet, can further strengthen the descending variation of intracavity section, thereby accelerate flowing of soot gas, strengthen the effect of holding together cigarette.
Compared with prior art, advantage of the present utility model is: smoke deflector can rotate around fixed axis, thus when it is pivotally lowered into the precalculated position, form the lower inner cavity of deceleration and water conservancy diversion under the lower surface, form the last inner chamber that accelerates between the lower surface of upper surface and exhaust fume collecting hood, the design of two inner chambers, use venturi and Koln to reach effect, left-right and front-back all can enter soot gas, hold together oil smoke fully, allow cleaner, faster that oil smoke inhales, the design of last inner chamber no longer is confined to the body of indent, and plane or evagination also can; The existence of the indent angle α of lower inner cavity, the phenomenon that soot gas is loose is outward eliminated, to upwards cavity region is accelerated to flow, outwards important function has not been played in dissipation; When smoke deflector upwards turns to the precalculated position, inclination angle with horizontal plane formation ecto-entad, the oil of staying after the separation on the smoke deflector can be in the inclination angle flow to the oily gathering-device that is arranged in the middle of two smoke deflectors, and can not continue to remain on the smoke deflector, the cleaning that is conducive to smoke deflector has satisfied the performance requirement in two moment of user thus; By to angle α, β
1Or β
2Adjust respectively, can adapt to different environments for use, reach the effect of best eliminating oil smoke; When the lower surface of exhaust fume collecting hood is curved surface, can further strengthen the descending variation of intracavity section, thereby accelerate flowing of soot gas, strengthen the effect of holding together cigarette.
Description of drawings
Fig. 1 is the perspective view of range hood of the present utility model;
Fig. 2 is the use state front view of range hood of the present utility model;
Fig. 3 is the closed condition front view of range hood of the present utility model;
Fig. 4 is another embodiment schematic diagram of exhaust fume collecting hood of the present utility model.
The specific embodiment
Describe in further detail below in conjunction with the utility model of accompanying drawing embodiment.
Referring to Fig. 1 and Fig. 2, a kind of range hood comprises exhaust fume collecting hood 1, and in the present embodiment, exhaust fume collecting hood 1 is the plane, is arranged on the fan shroud 2 on the exhaust fume collecting hood 1, is provided with fan assembly 3 in the fan shroud 2, is discharged to public flue or outdoor with the flue gas after oil smoke is separated.
Offer air inlet 11 on the exhaust fume collecting hood 1, air inlet 11 is over against the kitchen range top, and air inlet 11 places are provided with fixed axis 12, preferably, fixed axis 12 extends at fore-and-aft direction, and is positioned at air inlet 11 centre positions, smoke deflector 4 is pivotally connected to fixed axis 12, and arranges over against air inlet 11.
When range hood was opened, drive unit drove smoke deflector 4 and turns over predetermined angle downwards, and stops at preposition, at this moment, the state that left wing's sheet 41 and right flank sheet 42 all are tilted down is with respect to existing smoke deflector, can be conducive to hold together cigarette more near oil smoke like this.Be the first angle α between the lower surface of left wing's sheet 41 and right flank sheet 42, the first angle α is less than 180 °, constituted the lower inner cavity 43 with first angle α indent district under both lower surfaces, form Koln thus and reached effect, make that (this sentences the gas-cooker with two kitchens range top to the soot gas that rises, be example when opening the left side kitchen range top) a part of outer edge that at first touches left wing's sheet 41, another part then can enter into the indent district of lower inner cavity 43, because the existence of the first angle α and the double action of thermal current effect of increasing, soot gas speed is retarded, can rise in the indent district and station, then flow until the outer edge that arrives right flank sheet 42 along right flank sheet 42, well played the effect of water conservancy diversion.
Constitute last inner chamber 44 between the lower surface of both upper surfaces of left wing's sheet 41 and right flank sheet 42 and exhaust fume collecting hood 1, because left wing's sheet 41 and right flank sheet 42 are tilted to down, formed the second angle β of acute angle respectively with exhaust fume collecting hood 1
1With the 3rd angle β
2The cross section outside-in of going up inner chamber 44 thus is descending variation, preceding, a left side at smoke deflector 4 become the same Venturi effect of chimney with right trihedral, thereby formed acceleration channels, after outer edge that soot gas depends on left wing's sheet 41 of smoke deflector 4 and right flank sheet 42 flow to inner chamber 44, enter acceleration channels, because soot gas is along smoke deflector temperature reduction after 4 mobile a period of times, oil smoke condensation separates, and then the flue gas after separating under the effect of fan assembly 3 enters into and is discharged to public flue or outdoor in the fan shroud 2.The size of last lower inner cavity can be regulated according to the needs that reality is used.
When range hood is installed on different environments for use, the resistance to flow output difference can appear, and perhaps the oil smoke amount varies in size, and perhaps the different situation of setting height(from bottom) can manually be regulated the first angle α, the second angle β
1Or the 3rd angle β
2, the outlet resistance sense also can be set in fan assembly 3 exits should be installed, and by the resistance that its soot gas of sensing climbs, control system is automatically regulated the first angle α, the second angle β
1Or the 3rd angle β
2, the second angle β
1With the 3rd angle β
2Can be unequal, thus the ability of the eliminating oil smoke of assurance the best.
In addition, also the smell induction installation can be set in the side of exhaust fume collecting hood 1, when it sensed excessive oil smoke, control system is the adjusting angle first angle α, the second angle β automatically
1Or the 3rd angle β
2, the second angle β
1With the 3rd angle β
2Can be unequal, thus the ability of the eliminating oil smoke of assurance the best.
Referring to Fig. 3, when range hood is closed, drive unit drives smoke deflector 4 and upwards turns over predetermined angle, and stops at initial position, at this moment, left wing's sheet 41 and right flank sheet 42 all are the state that is tilted to, form the inclination angle of ecto-entad with horizontal plane, this moment, the first angle α was greater than 180 °, and the oil of staying after the separation on the smoke deflector 4 can be in the inclination angle flow to the oily gathering-device that is arranged in the middle of two fins, and can not continue to remain on the smoke deflector 4, be conducive to the cleaning of smoke deflector 4.
Referring to Fig. 4, the difference of itself and above-described embodiment 1 is, the part of exhaust fume collecting hood 1 ' in air inlet 11 both sides is respectively that the direction of fan shroud 2 tilts towards exhaust fume collecting hood 1 ' top, formation is the recessed curved surface of lowest part with air inlet 11, can further strengthen the descending variation of inner chamber 44 cross section outside-ins, thereby accelerate flowing of soot gas.
The above only is preferred embodiment of the present utility model; should be pointed out that for the ordinary skill in the art, do not breaking away under the principle prerequisite of the present utility model; can also make various deformation and improvement, this also should be considered as protection domain of the present utility model.
Claims (5)
1. a range hood comprises exhaust fume collecting hood (1; 1 '), described exhaust fume collecting hood (1; 1 ') be provided with air inlet (11), locate to be provided with smoke deflector (4) over against air inlet (11), it is characterized in that, described air inlet (11) locates to be provided with fixed axis (12), and described smoke deflector (4) comprises left wing's sheet (41) and the right flank sheet (42) that is arranged on described fixed axis (12) left and right sides respectively rotationally; When described range hood is opened, after rotating predetermined angle, described left wing sheet (41) and right flank sheet (42) be downward-sloping state, constitute the lower inner cavity (43) of deceleration and water conservancy diversion under the lower surface of described left wing sheet (41) and right flank sheet (42), upper surface and the described exhaust fume collecting hood (1 of described left wing sheet (41) and right flank sheet (42); 1 ') constitute the last inner chamber (44) that accelerates between the lower surface, the described cross section outside-in of going up inner chamber (44) reduces gradually; When described range hood was closed, described left wing sheet (41) and right flank sheet (42) were acclivitous state after upwards rotating predetermined angle.
2. range hood as claimed in claim 1, it is characterized in that, form first angle (α) between the lower surface of described left wing sheet (41) and right flank sheet (42), described left wing sheet (41) and right flank sheet (42) the formation second angle (β respectively and between the described exhaust fume collecting hood (1)
1) and the 3rd angle (β
2), when described left wing sheet (41) and right flank sheet (42) constituted lower inner cavity (43), first angle (α) was less than 180 °, the second angle (β
1) and the 3rd angle (β
2) be acute angle.
3. range hood as claimed in claim 2, it is characterized in that, described smoke deflector (4) is driven by the drive unit that is arranged in the described fixed axis (12), thereby the outlet of described range hood is provided with the resistance to flow output induction installation and according to described resistance to flow output induction installation described drive unit is regulated and to be changed described first angle (α), the second angle (β
1) or the 3rd angle (β
2) control system.
4. range hood as claimed in claim 2 is characterized in that, described smoke deflector (4) drives described exhaust fume collecting hood (1 by the drive unit that is arranged in the described fixed axis (12); 1 ') thus the side is provided with for the smell induction installation of the excessive oil smoke of induction and according to described smell induction installation described drive unit is regulated and changes described first angle (α), the second angle (β
1) or the 3rd angle (β
2) control system.
5. as each described range hood among the claim 1-4, it is characterized in that, described exhaust fume collecting hood (1 ') tilts towards described exhaust fume collecting hood (1 ') top respectively in the part of described air inlet (11) both sides, and forming with described air inlet (11) is the recessed curved surface of lowest part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220597117 CN203052775U (en) | 2012-11-13 | 2012-11-13 | Range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220597117 CN203052775U (en) | 2012-11-13 | 2012-11-13 | Range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203052775U true CN203052775U (en) | 2013-07-10 |
Family
ID=48735722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220597117 Expired - Lifetime CN203052775U (en) | 2012-11-13 | 2012-11-13 | Range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203052775U (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103697513A (en) * | 2013-11-30 | 2014-04-02 | 宁波方太厨具有限公司 | Range hood with flow guide plate |
| CN103697511A (en) * | 2013-11-30 | 2014-04-02 | 宁波方太厨具有限公司 | Diffusion drainage device of range hood |
| CN104121614A (en) * | 2014-07-25 | 2014-10-29 | 宁波方太厨具有限公司 | Rectification acceleration disk structure for range hood |
| CN104165399A (en) * | 2014-07-25 | 2014-11-26 | 宁波方太厨具有限公司 | Rectification acceleration disc structure of range hood |
| CN104315578A (en) * | 2014-10-13 | 2015-01-28 | 宁波方太厨具有限公司 | Ceiling extractor hood |
| CN104676696A (en) * | 2015-03-05 | 2015-06-03 | 广东顺德东方麦田工业设计有限公司 | Range hood provided with annular air duct |
| CN105465853A (en) * | 2014-08-25 | 2016-04-06 | 青岛恒昌盛集团有限公司 | Range hood with double wing assistant oil fume suction and discharge chambers |
| DE102016218468A1 (en) | 2016-09-26 | 2018-03-29 | BSH Hausgeräte GmbH | Extractor device with cover for a housing opening of the extractor housing of the extractor device |
| DE102016218470A1 (en) | 2016-09-26 | 2018-03-29 | BSH Hausgeräte GmbH | Extractor device with cover for a housing opening of the extractor housing of the extractor device |
| CN108954454A (en) * | 2018-09-19 | 2018-12-07 | 杭州老板电器股份有限公司 | Kitchen ventilator and cigarette stove all-in-one machine |
| EP3415822A1 (en) * | 2017-06-13 | 2018-12-19 | BSH Hausgeräte GmbH | Cooker hood |
| CN109519996A (en) * | 2018-12-13 | 2019-03-26 | 海信(广东)厨卫系统有限公司 | Control method, range hood and the integration kitchen range of range hood |
| CN110068031A (en) * | 2019-04-11 | 2019-07-30 | 武汉科技大学 | A kind of on-bladed and the kitchen ventilator for controlling suction opening respectively |
| CN111006272A (en) * | 2020-01-03 | 2020-04-14 | 宁波方太厨具有限公司 | Fume exhaust fan |
-
2012
- 2012-11-13 CN CN 201220597117 patent/CN203052775U/en not_active Expired - Lifetime
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103697513B (en) * | 2013-11-30 | 2018-10-02 | 宁波方太厨具有限公司 | A kind of range hood with deflector |
| CN103697511A (en) * | 2013-11-30 | 2014-04-02 | 宁波方太厨具有限公司 | Diffusion drainage device of range hood |
| CN103697511B (en) * | 2013-11-30 | 2015-05-13 | 宁波方太厨具有限公司 | Diffusion drainage device of range hood |
| CN103697513A (en) * | 2013-11-30 | 2014-04-02 | 宁波方太厨具有限公司 | Range hood with flow guide plate |
| CN104121614A (en) * | 2014-07-25 | 2014-10-29 | 宁波方太厨具有限公司 | Rectification acceleration disk structure for range hood |
| CN104165399A (en) * | 2014-07-25 | 2014-11-26 | 宁波方太厨具有限公司 | Rectification acceleration disc structure of range hood |
| CN104121614B (en) * | 2014-07-25 | 2016-12-28 | 宁波方太厨具有限公司 | A kind of rectification acceleration dish structure used for range hood |
| CN105465853A (en) * | 2014-08-25 | 2016-04-06 | 青岛恒昌盛集团有限公司 | Range hood with double wing assistant oil fume suction and discharge chambers |
| CN104315578A (en) * | 2014-10-13 | 2015-01-28 | 宁波方太厨具有限公司 | Ceiling extractor hood |
| CN104315578B (en) * | 2014-10-13 | 2016-08-24 | 宁波方太厨具有限公司 | Top-sucking kitchen ventilator |
| CN104676696A (en) * | 2015-03-05 | 2015-06-03 | 广东顺德东方麦田工业设计有限公司 | Range hood provided with annular air duct |
| DE102016218468A1 (en) | 2016-09-26 | 2018-03-29 | BSH Hausgeräte GmbH | Extractor device with cover for a housing opening of the extractor housing of the extractor device |
| DE102016218470A1 (en) | 2016-09-26 | 2018-03-29 | BSH Hausgeräte GmbH | Extractor device with cover for a housing opening of the extractor housing of the extractor device |
| EP3415822A1 (en) * | 2017-06-13 | 2018-12-19 | BSH Hausgeräte GmbH | Cooker hood |
| CN108954454A (en) * | 2018-09-19 | 2018-12-07 | 杭州老板电器股份有限公司 | Kitchen ventilator and cigarette stove all-in-one machine |
| CN109519996A (en) * | 2018-12-13 | 2019-03-26 | 海信(广东)厨卫系统有限公司 | Control method, range hood and the integration kitchen range of range hood |
| CN110068031A (en) * | 2019-04-11 | 2019-07-30 | 武汉科技大学 | A kind of on-bladed and the kitchen ventilator for controlling suction opening respectively |
| CN110068031B (en) * | 2019-04-11 | 2024-02-13 | 武汉科技大学 | Kitchen ventilator without blades and with exhaust openings controlled respectively |
| CN111006272A (en) * | 2020-01-03 | 2020-04-14 | 宁波方太厨具有限公司 | Fume exhaust fan |
| CN111006272B (en) * | 2020-01-03 | 2022-03-18 | 宁波方太厨具有限公司 | Fume exhaust fan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130710 |
|
| CX01 | Expiry of patent term |