CN204268537U - A kind of range hood - Google Patents

A kind of range hood Download PDF

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Publication number
CN204268537U
CN204268537U CN201420691670.8U CN201420691670U CN204268537U CN 204268537 U CN204268537 U CN 204268537U CN 201420691670 U CN201420691670 U CN 201420691670U CN 204268537 U CN204268537 U CN 204268537U
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CN
China
Prior art keywords
exhaust fume
casing
hood
smoke
fume collecting
Prior art date
Application number
CN201420691670.8U
Other languages
Chinese (zh)
Inventor
梁雪斐
Original Assignee
宁波方太厨具有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 宁波方太厨具有限公司 filed Critical 宁波方太厨具有限公司
Priority to CN201420691670.8U priority Critical patent/CN204268537U/en
Application granted granted Critical
Publication of CN204268537U publication Critical patent/CN204268537U/en

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Abstract

The utility model discloses a kind of range hood, comprise exhaust fume collecting hood, described exhaust fume collecting hood fovea superior is formed with smoke collecting chamber, it is characterized in that: the both sides of described exhaust fume collecting hood are respectively arranged with fluidic device, the blower fan that described fluidic device comprises casing and will spray in air intake to described casing and from described casing, described casing is formed be communicated with described smoke collecting chamber, the jet exit be upwards ejected into for the air in casing in described smoke collecting chamber.Fluidic device spray is to after the air pressurized sucked, the air-flow ejected in smoke collecting chamber along the sidewall flow at high speed of smoke collecting chamber time, because speed fluid comparatively is around fast, drive fluid around flows together, the change of jet-stream wind circumferential pressure at a high speed produces the effect of drainage to the fluid of surrounding, strengthen the guiding to fluids such as oil smoke, air inlet to range hood center flows, thus reduces the escape at exhaust fume collecting hood both sides oil smoke, and promotes the efficiency of smoking.

Description

A kind of range hood
Technical field
The utility model relates to a kind of range hood, especially a kind of range hood that can reduce fumes escaping.
Background technology
Current existing top-sucking kitchen ventilator (is arranged on directly over kitchen range, thin type, dark type or tower range hood, do not comprise side draught and lower-discharging type) mostly version be: top arranges exhaust fume collecting hood and forms concave cavity (smoke collecting chamber), exhaust fume collecting hood is provided with air inlet and screen pack.The oil smoke produced in cooking process is collected in smoke collecting chamber, and by outside the air channel discharge chamber that is communicated with smoke collecting chamber.
As application number a kind of top-sucking kitchen ventilator disclosed in the Chinese patent application of 201410315985.7, comprise exhaust fume collecting hood and be arranged on the air inlet of exhaust fume collecting hood bottom surface, oil collection plate is fixed on immediately below air inlet, the passage of four side air intakes is formed with air inlet bottom surface, kuppe is located at the lower surface of oil collection plate, and owing to being four side air intakes, smoking efficiency is higher, and kuppe can carry out the water conservancy diversion of four direction to oil smoke, at utmost strengthen the fume-exhausting ability of lampblack absorber.
Above-mentioned this range hood, the oil smoke that cooking stove below it produces is in the process of ascension, by kuppe, oil smoke is imported in air inlet, although this range hood by oil collection plate and kuppe setting thus oil smoke is sucked as much as possible, if but the oil smoke amount produced is comparatively large or when having an external air flow disturbance, oil smoke is easy to escape from the position of exhaust fume collecting hood both sides, not only can reduce the smoking efficiency of range hood thus, if produce the phenomenon of fumes escaping, easily the environment in kitchen is impacted, also can affect the health of user.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned prior art Problems existing, provides a kind of range hood reducing fumes escaping.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of range hood, comprise exhaust fume collecting hood, described exhaust fume collecting hood fovea superior is formed with smoke collecting chamber, it is characterized in that: the both sides of described exhaust fume collecting hood are respectively arranged with fluidic device, the blower fan that described fluidic device comprises casing and will spray in air intake to described casing and from described casing, described casing is formed be communicated with described smoke collecting chamber, the jet exit be upwards ejected into for the air in casing in described smoke collecting chamber.
Preferably, fluidic device is formed in exhaust fume collecting hood, not only save but also attractive in appearance, described fluidic device comprises housing, described casing is formed jointly by the sidewall of described housing and described smoke collecting chamber, and described housing and blower fan are positioned at described exhaust fume collecting hood, and the bottom rear-inclined that the lower end of described housing extends to described exhaust fume collecting hood upwards bends, have gap between the sidewall of described exhaust fume collecting hood tilts upward bending part towards the side in smoke collecting chamber and housing, described gap forms described jet exit.
In order to better guiding fuel injection air-flow, the part tilting upward bending of described housing is overlapping with described sidewall sections and parallel to each other.
In order to the better air pressurized to being drawn in fluidic device being accelerated, the end face of described exhaust fume collecting hood offering and passes through for air and be drawn into the air intake in described casing.
Compared with prior art, the utility model has the advantage of: fluidic device spray is to after the air pressurized sucked, the air-flow ejected in smoke collecting chamber along the sidewall flow at high speed of smoke collecting chamber time, because speed fluid comparatively is around fast, drive fluid around flows together, the change of jet-stream wind circumferential pressure at a high speed produces the effect of drainage to the fluid of surrounding, strengthen the guiding to fluids such as oil smoke, air inlet to range hood center flows, thus the escape reduced at exhaust fume collecting hood both sides oil smoke, and promote the efficiency of smoking.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of range hood of the present utility model first embodiment;
Fig. 2 is local I enlarged drawing of Fig. 1;
Fig. 3 is the schematic diagram of range hood of the present utility model second embodiment;
Fig. 4 is local II enlarged drawing of Fig. 3.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the utility model is described in further detail.
Embodiment one
See Fig. 1 and Fig. 2, a kind of range hood, the centrifugal blower 2 comprising exhaust fume collecting hood 1 and be positioned at above exhaust fume collecting hood 1, exhaust fume collecting hood 1 is formed with the air inlet 11 be communicated with centrifugal blower 2, air inlet 11 place is provided with the screen pack 3 for filtering oil smoke.Below exhaust fume collecting hood 1, just to air inlet 11 and and the isolated position of air inlet 11 be provided with smoke deflector 4, the oil smoke passage passed through for oil smoke is formed between smoke deflector 4 and exhaust fume collecting hood 1, by arranging smoke deflector 4, oil smoke divided and inhales it, expanding the bounds of cigarette smoking, being convenient between smoke deflector 4 and exhaust fume collecting hood 1 form Venturi effect, hold together oil smoke completely, the flowing of flue gas can be accelerated thus be centrifuged blower fan 2 and siphon away.
In the middle part of exhaust fume collecting hood 1, fovea superior forms smoke collecting chamber 12, the both sides (arranged on left and right sides of user when range hood) of exhaust fume collecting hood 1 are respectively arranged with fluidic device 5, fluidic device 5 comprises the small-sized blower fan 51 being positioned at exhaust fume collecting hood 1 and the casing 52 being formed with inner chamber, casing 52 is formed with the jet exit be communicated with smoke collecting chamber 12.Blower fan 51 and exhaust fume collecting hood 1 ft connection, suck air, by upwards spraying from jet exit after casing 52 from exhaust fume collecting hood 1 outside.In the present embodiment, the end face of exhaust fume collecting hood 1 offers air intake 13, suck air by air intake 13 from the outside of exhaust fume collecting hood 1 for blower fan 51.Casing 52 is formed jointly by the sidewall 14 forming smoke collecting chamber 12 of housing 53 and exhaust fume collecting hood 1, housing 53 is positioned at exhaust fume collecting hood 1, and the bottom rear-inclined that the lower end of housing 53 extends to exhaust fume collecting hood 1 upwards bends, the bottom interval of sidewall 14 and exhaust fume collecting hood 1 is opened, gap 54 is there is between the sidewall 14 of exhaust fume collecting hood 1 tilts upward bending part towards the side in smoke collecting chamber 12 and housing 53, namely this gap 54 forms above-mentioned jet exit, preferably, the part that housing 53 tilts upward bending partly overlaps with sidewall 14, thus can better guiding fuel injection air-flow, and the housing 53 of this part is parallel with sidewall 14, gap 54 width is Δ L, gap 54 can be determined according to required smoking efficiency.
After blower fan 51 starts, suck air from exhaust fume collecting hood 1 outside, in casing 52, form gases at high pressure after pressurization, and upwards eject uniform and stable jet-stream wind from gap 54.When jet-stream wind in smoke collecting chamber 12 along sidewall 14 flow at high speed of smoke collecting chamber 12 time, because speed fluid (as oil smoke) comparatively is around fast, drive fluid around flows together, the change of jet-stream wind circumferential pressure at a high speed produces the effect of drainage to the fluid of surrounding, strengthen the guiding to fluids such as oil smoke, air inlet 11 to range hood center flows, thus the escape reduced at exhaust fume collecting hood 1 both sides oil smoke, and promoting the efficiency of smoking, in Fig. 1, arrow indication is the flow direction of air-flow (air and oil smoke).And by changing the rotating speed of blower fan 51, the pressure of adjustable jet-stream wind, thus adapt to different oil smoke amount, to reach energy-efficient effect.
Alternative, fluidic device 5 also can be fixed on outside exhaust fume collecting hood 1 shaping separately.
Embodiment two
See Fig. 3 and Fig. 4, be with the difference of above-described embodiment one, the screen pack 3 ' of the air inlet 11 place setting of exhaust fume collecting hood 1, it is bucket shape and has oil leakaging port 31 ' at central lower concave part, and oil leakaging port 31 ' below arranges catchment cup 32 '.In the present embodiment, oil smoke is directly entered in air inlet 11 by screen pack 3 '.

Claims (4)

1. a range hood, comprise exhaust fume collecting hood (1), described exhaust fume collecting hood (1) fovea superior is formed with smoke collecting chamber (12), it is characterized in that: the both sides of described exhaust fume collecting hood (1) are respectively arranged with fluidic device (5), described fluidic device (5) comprise casing (52) and by air intake in described casing (52) and the blower fan (51) sprayed from described casing (52), described casing (52) is formed and is communicated with described smoke collecting chamber (12), the jet exit in described smoke collecting chamber (12) is upwards ejected into for the air in casing (52).
2. range hood as claimed in claim 1, it is characterized in that: described fluidic device (5) comprises housing (53), described casing (52) is formed jointly by the sidewall (14) of described housing (53) and described smoke collecting chamber (12), described housing (53) and blower fan (51) are positioned at described exhaust fume collecting hood (1), the bottom rear-inclined that the lower end of described housing (53) extends to described exhaust fume collecting hood (1) upwards bends, between the sidewall (14) of described exhaust fume collecting hood (1) tilts upward bending part towards the side in smoke collecting chamber (12) and housing (53), there is gap (54), described gap (54) forms described jet exit.
3. range hood as claimed in claim 2, is characterized in that: the part tilting upward bending and the described sidewall (14) of described housing (53) partly overlap and parallel to each other.
4. the range hood according to any one of claims 1 to 3, is characterized in that: the end face of described exhaust fume collecting hood (1) offers and passes through for air and be drawn into the air intake (13) in described casing (52).
CN201420691670.8U 2014-11-18 2014-11-18 A kind of range hood CN204268537U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420691670.8U CN204268537U (en) 2014-11-18 2014-11-18 A kind of range hood

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420691670.8U CN204268537U (en) 2014-11-18 2014-11-18 A kind of range hood

Publications (1)

Publication Number Publication Date
CN204268537U true CN204268537U (en) 2015-04-15

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Family Applications (1)

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CN201420691670.8U CN204268537U (en) 2014-11-18 2014-11-18 A kind of range hood

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105066201A (en) * 2015-07-24 2015-11-18 唐国锐 Pneumatic beam-control lampblack guide method for range hood, and pneumatic beam-control lampblack guide range hood
CN106524267A (en) * 2016-12-30 2017-03-22 宁波方太厨具有限公司 Top suction type extractor hood
CN106594833A (en) * 2016-12-23 2017-04-26 宁波方太厨具有限公司 Ejection auxiliary device of extractor hood

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105066201A (en) * 2015-07-24 2015-11-18 唐国锐 Pneumatic beam-control lampblack guide method for range hood, and pneumatic beam-control lampblack guide range hood
CN106594833A (en) * 2016-12-23 2017-04-26 宁波方太厨具有限公司 Ejection auxiliary device of extractor hood
CN106594833B (en) * 2016-12-23 2019-11-29 宁波方太厨具有限公司 A kind of injection auxiliary device of range hood
CN106524267A (en) * 2016-12-30 2017-03-22 宁波方太厨具有限公司 Top suction type extractor hood
CN106524267B (en) * 2016-12-30 2020-08-11 宁波方太厨具有限公司 Ceiling type range hood

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