CN105972662A - Rotary flow guiding devices and range hood using the same - Google Patents

Rotary flow guiding devices and range hood using the same Download PDF

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Publication number
CN105972662A
CN105972662A CN201610489457.2A CN201610489457A CN105972662A CN 105972662 A CN105972662 A CN 105972662A CN 201610489457 A CN201610489457 A CN 201610489457A CN 105972662 A CN105972662 A CN 105972662A
Authority
CN
China
Prior art keywords
shaping drum
guide device
flow guide
rotary flow
air outlet
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.)
Pending
Application number
CN201610489457.2A
Other languages
Chinese (zh)
Inventor
叶远璋
丁斐
鲁信辉
李炳坚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Vanward New Electric Co Ltd
Original Assignee
Guangdong Vanward New Electric Co Ltd
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 Guangdong Vanward New Electric Co Ltd filed Critical Guangdong Vanward New Electric Co Ltd
Priority to CN201610489457.2A priority Critical patent/CN105972662A/en
Publication of CN105972662A publication Critical patent/CN105972662A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/20Removing cooking fumes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/20Removing cooking fumes
    • F24C15/2021Arrangement or mounting of control or safety systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/20Removing cooking fumes
    • F24C15/2035Arrangement or mounting of filters

Abstract

The invention provides rotary flow guiding devices and a range hood using the same. The range hood comprises a first draught fan, second draught fans, a fume collecting hood and an oil net, wherein the oil net and the rotary flow guiding devices are mounted at the lampblack inlet of the fume collecting hood; each rotary flow guiding device comprises a shell; each shell comprises an upper ring-shaped cylinder and a lower ring-shaped cylinder which communicate with each other; a flow guiding cavity is formed in each shell, and comprises an air inlet and an air outlet; each air inlet is arranged on the corresponding upper ring-shaped cylinder; each air outlet is arranged at the lower part of the corresponding ring-shaped cylinder; flow guiding sheets used for guiding airflow to the corresponding air outlet are arranged between the inner and outer walls of each lower ring-shaped cylinder; the circular ring thickness d1 of each upper ring-shaped cylinder is 5-30 mm; the air outlet width d2 is 1-10 mm; and the ratio (d1/d2) of the circular ring thickness d1 of each upper ring-shaped cylinder to the air outlet width d2 of each lower ring-shaped cylinder is greater than or equal to 3. By adoption of the range hood provided by the invention, relatively high lampblack trapping efficiency can be achieved at a relatively low exhaust air rate.

Description

Rotary flow guide device and apply its range hood
Technical field
The invention belongs to range hood field, particularly relate to a kind of rotary flow guide device and apply its range hood.
Background technology
The Main Function of range hood is the quick discharge realizing harmful kitchen exhaust gas such as cooking fume, and efficient oil smoke capture rate is the final goal of range hood design.Current numerous manufacturer is mainly by increasing the air quantity of range hood, it is intended to improve the arresting efficiency of oil smoke.It is true that there are some researches show when air output exceedes trapping oil smoke limit air quantity, it will cause the excessive of air pollutants, thus cause the oil smoke arresting efficiency of range hood to reduce.For overcoming these defects, the special dependency structure to range hood is improved.
Summary of the invention
A technical problem to be solved by this invention is intended to provide a kind of rotary flow guide device, and it can produce the air-flow being rotated down, and coordinates range hood to use and range hood can be made to realize higher trapping oil smoke efficiency with less air quantity.
The present invention solves its technical problem and the technical scheme is that it includes the housing being made up of the upper shaping drum being interconnected and lower shaping drum, water conservancy diversion cavity it is provided with in housing, water conservancy diversion cavity is provided with air inlet and air outlet, air inlet is connected with upper shaping drum, air outlet is located at lower shaping drum bottom, it is provided with, between inwall and the outer wall of lower shaping drum, the flow deflector directing flow into air outlet, the annulus thickness d 1 of upper shaping drum is 5mm-30mm, air outlet width d2 is 1mm-10mm, and ratio d1/d2 >=3 of the annulus thickness d 1 of upper shaping drum and the air outlet width d2 of lower shaping drum.
A kind of example of the technical program is, the internal diameter d3 of described upper shaping drum is 100mm-400mm, and upper and lower shaping drum total height h1 is 40mm-100mm, and the height h2 of upper shaping drum is 0.1-0.9 with the ratio h2/h1 of upper and lower shaping drum total height h1.
A kind of example of the technical program is, described flow deflector is the arc that middle part is recessed, connected the become string of a musical instrument of flow deflector two-end-point is 10 °-90 ° with horizontal angle theta 1, bottom flow deflector, at end points, tangent line and horizontal angle theta 2 are 0 °-60 °, the external diameter r2 of flow deflector is 0.5-10 than the long 2-10mm of internal diameter r1, the internal diameter r1 of flow deflector of flow deflector and ratio r 1/h1 of upper and lower shaping drum total height h1.
A kind of example of the technical program is, described flow deflector is the straight plate being obliquely installed, and tiltangleθ 1 is 10 °-90 °.
A kind of example of the technical program is, described flow deflector is the arc of middle part epirelief, and the thickness of arc is gradually increased from bottom to top.
A kind of example of the technical program is, the outside wall surface of described lower shaping drum is straight line or camber line.
A kind of example of the technical program is, the number of described flow deflector is 6-60, and adjacent baffle and the inwall of lower shaping drum, outer wall form independent flow-guiding channel.
A kind of example of the technical program is, described air inlet is arranged with the diameter co-axial of upper shaping drum, to ensure that air-flow is uniformly full of in upper shaping drum.
Any of the above example, both can be separately as an embodiment, it is also possible under ensureing reconcilable premise, and each example combination in any constitutes combination type embodiment.
Another technical problem to be solved by this invention is intended to provide a kind of range hood, and it can produce and realize higher trapping oil smoke efficiency with less exhaust air rate.
The present invention solves its technical problem and the technical scheme is that it includes the first blower fan, the second blower fan, exhaust fume collecting hood and oil network, oil network is arranged on the oil smoke entrance of exhaust fume collecting hood, and first the entrance of blower fan connect with oil smoke entrance, oil smoke entrance is provided with the rotary flow guide device in any of the above-described example, the outlet of the second blower fan connects with the air inlet of rotary flow guide device, oil network is arranged under rotary flow guide device in the center ring of shaping drum, or oil network is arranged on the air outlet of oil smoke entrance and rotary flow guide device and stretches out oil network.According to the design principle of local exhaust, rotary flow guide device generates and rotates air curtain, in the range of the pollutant such as oil smoke are enclosed in less air curtain, thus reaches to realize preferable oil smoke trapping effect with less exhaust air rate.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the perspective view of rotary flow guide device in the present invention;
Fig. 3 is the cross-sectional view of rotary flow guide device in the present invention;
Fig. 4 a, Fig. 4 b, Fig. 4 c are three kinds of structural representations of rotary flow guide device flow deflector 33 in the present invention;
Fig. 5 a, Fig. 5 b, Fig. 5 c, Fig. 5 d, Fig. 5 e are five kinds of structural representations of shaping drum 32 under rotary flow guide device in the present invention;
Fig. 6 is the working state schematic representation of the present invention;
Fig. 7 is another working state schematic representation of the present invention.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, and the most same or similar label represents same or similar element or has the element of same or like function.The embodiment described below with reference to accompanying drawing is exemplary, it is only used for explaining the present invention, and be not construed as limiting the claims, on the contrary, all changes, amendment and the equivalent in the range of spirit that embodiments of the invention include falling into attached claims and intension.
As it is shown in figure 1, the present embodiment includes first blower fan the 1, second blower fan 2, exhaust fume collecting hood and oil network, oil network is arranged on the oil smoke entrance of exhaust fume collecting hood, and the entrance of the first blower fan 1 connects with oil smoke entrance, and oil smoke entrance is provided with rotary flow guide device 3.
As shown in Figures 2 and 3, rotary flow guide device 3 includes the housing being made up of the upper shaping drum 31 being interconnected and lower shaping drum 32, water conservancy diversion cavity it is provided with in housing, water conservancy diversion cavity is provided with air inlet 34 and air outlet 35, air inlet 34 is located on shaping drum 31 and is arranged with the diameter co-axial of upper shaping drum 31, air outlet 35 is provided at the annular breach of lower shaping drum 32 bottom, it is provided with 6-60 sheet between inwall and the outer wall of lower shaping drum 32 and directs flow into the flow deflector 33 of air outlet, adjacent baffle 33 and the inwall of lower shaping drum 32, outer wall forms independent flow-guiding channel.The outlet of the second blower fan 2 connects with the air inlet 34 of rotary flow guide device 3, and oil network is arranged in the center ring of 3 times shaping drums 32 of rotary flow guide device, or oil network is arranged on the air outlet 35 of oil smoke entrance and rotary flow guide device 3 and stretches out oil network.
The annulus thickness d 1 of upper shaping drum 31 is more than the air outlet width d2 of lower shaping drum 32, the annulus thickness d 1 of upper shaping drum 1 and ratio d1/d2 >=3 of the air outlet width d2 of lower shaping drum 32.The annulus thickness d 1 of upper shaping drum 31 is 5mm-30mm.Air outlet 35 width d2 is 1mm-10mm.The internal diameter d3 of upper shaping drum 31 is 100mm-400mm.Upper shaping drum 31, lower shaping drum 32 total height h1 are 40mm-100mm, and the height h2 of upper shaping drum 31 is 0.1-0.9 with upper shaping drum 31, the ratio h2/h1 of lower shaping drum 32 total height h1.
As shown in fig. 4 a, flow deflector 33 is the arc that middle part is recessed, connected the become string of a musical instrument of flow deflector 33 two-end-point is 10 °-90 ° with horizontal angle theta 1, bottom flow deflector 33, at end points, tangent line and horizontal angle theta 2 are 0 °-60 °, the external diameter r2 of flow deflector 33 is 0.5-10 than the long 2-10mm of internal diameter r1, the internal diameter r1 of flow deflector 33 and upper shaping drum 31, ratio r 1/h1 of lower shaping drum 32 total height h1 of flow deflector 33.In addition, flow deflector 33 can also is that as shown in Figure 4 b, and flow deflector 33 is the straight plate being obliquely installed, and tiltangleθ 1 is 10 °-90 °;Or, as illustrated in fig. 4 c, flow deflector is the arc of epirelief in the middle part of in the of 33, and the thickness of arc is gradually increased from bottom to top;Can also is that other similar wing-shaped structure.
The profile of rotary flow guide device 3 is various, and the outside wall surface especially descending shaping drum 32 can be straight line or camber line.Represent the interior diameter at lower shaping drum 32 top with d3, d4 represents the interior diameter bottom lower shaping drum 32.The profile of rotary flow guide device 3 can be the d3<d4 shown in d3>d4, Fig. 5 c and Fig. 5 e shown in d3=d4 as shown in Figure 5 a, Fig. 5 b and Fig. 5 d.
The duty of the present invention, as shown in Figure 6 and Figure 7, the rotated guiding device of air-flow 3 that second blower fan 2 work produces flows out, swirling eddy at rotary flow guide device 3 air outlet 35 can present, due to the effect of tangential force, the phenomenon the most gradually concentrated, and i.e. forms " tornado " formula air flow method.Being affected by the rotation air curtain from rotary flow guide device 3, the pollutant such as oil smoke are controlled in a local space, and along with the center ring region of the common spiral escalation of rotational flow gas to rotary flow guide device 3, can realize " artificial spout ".This form air current composition has that transmitting range is remote, exhaust air rate is little, arresting efficiency is high, pollutant range of scatter is little, local exhaust negative pressuren zone is big, negative pressure value advantages of higher.Now, as long as the air quantity that the first blower fan 1 is less, can accelerate the pollutant such as the oil smoke in " artificial spout " are evacuated to outdoor.
The present invention configures corresponding rotary flow guide device 3 according to the oil smoke entry number of range hood and connects the blower fan of generation " artificial spout " with rotary flow guide device 3, and by each blower fan being arranged individually switch, user is made according to actual needs the blower fan of rotary flow guide device 3 can individually to cut out, individually opens, jointly cut out or jointly open." artificial spout " effect utilizing rotary flow guide device 3 to be formed can realize the efficient trapping to cooking fume, and oil smoke indiffusion by less exhaust air rate.

Claims (9)

  1. null1. a rotary flow guide device,It is characterized in that: include the housing being made up of the upper shaping drum (31) being interconnected and lower shaping drum (32),Water conservancy diversion cavity it is provided with in housing,Water conservancy diversion cavity is provided with air inlet (34) and air outlet (35),Air inlet (34) is located on shaping drum (31),Air outlet (35) is located at lower shaping drum (32) bottom,The flow deflector (33) directing flow into air outlet (35) it is provided with between inwall and the outer wall of lower shaping drum (32),The annulus thickness d 1 of upper shaping drum (31) is 5mm-30mm,Air outlet (35) width d2 is 1mm-10mm,And ratio d1/d2 >=3 of the annulus thickness d 1 of upper shaping drum (31) and air outlet (35) the width d2 of lower shaping drum (32).
  2. Rotary flow guide device the most according to claim 1, it is characterized in that: the internal diameter d3 of described upper shaping drum (31) is 100mm-400mm, upper and lower shaping drum (31,32) total height h1 is 40mm-100mm, and the height h2 of upper shaping drum (31) is 0.1-0.9 with the ratio h2/h1 of upper and lower shaping drum (31,32) total height h1.
  3. Rotary flow guide device the most according to claim 1, it is characterized in that: described flow deflector (33) is the arc that middle part is recessed, connected the become string of a musical instrument of flow deflector (33) two-end-point is 10 °-90 ° with horizontal angle theta 1, at the end points of flow deflector (33) bottom, tangent line is 0 °-60 ° with horizontal angle theta 2, the external diameter r2 of flow deflector (33) is 0.5-10 than the long 2-10mm of internal diameter r1, the internal diameter r1 of flow deflector (33) of flow deflector (33) and ratio r 1/h1 of upper and lower shaping drum (31,32) total height h1.
  4. Rotary flow guide device the most according to claim 1, it is characterised in that: described flow deflector (33) is the straight plate being obliquely installed, and tiltangleθ 1 is 10 °-90 °.
  5. Rotary flow guide device the most according to claim 1, it is characterised in that: described flow deflector is the arc of (33) middle part epirelief, and the thickness of arc is gradually increased from bottom to top.
  6. 6. according to the rotary flow guide device described in any one of claim 1-5, it is characterised in that: the outside wall surface of described lower shaping drum (32) is straight line or camber line.
  7. 7. according to the rotary flow guide device described in any one of claim 1-5, it is characterised in that: the number of described flow deflector (33) is 6-60, and adjacent baffle (33) and the inwall of lower shaping drum (32), outer wall form independent flow-guiding channel.
  8. 8. according to the rotary flow guide device described in any one of claim 1-5, it is characterised in that: described air inlet (34) is arranged with the diameter co-axial of upper shaping drum (31).
  9. 9. a range hood, including the first blower fan (1), second blower fan (2), exhaust fume collecting hood and oil network, oil network is arranged on the oil smoke entrance of exhaust fume collecting hood, and first the entrance of blower fan (1) connect with oil smoke entrance, it is characterized in that: described oil smoke entrance is provided with the rotary flow guide device (3) described in any one of claim 1-7, the outlet of the second blower fan (2) connects with the air inlet (34) of rotary flow guide device (3), oil network is arranged under rotary flow guide device (3) in the center ring of shaping drum (32), or oil network is arranged on the air outlet (35) of oil smoke entrance and rotary flow guide device (3) and stretches out oil network.
CN201610489457.2A 2016-06-29 2016-06-29 Rotary flow guiding devices and range hood using the same Pending CN105972662A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610489457.2A CN105972662A (en) 2016-06-29 2016-06-29 Rotary flow guiding devices and range hood using the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610489457.2A CN105972662A (en) 2016-06-29 2016-06-29 Rotary flow guiding devices and range hood using the same

Publications (1)

Publication Number Publication Date
CN105972662A true CN105972662A (en) 2016-09-28

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106402972A (en) * 2016-11-07 2017-02-15 宁波方太厨具有限公司 Smoke exhauster
CN106524252A (en) * 2016-11-07 2017-03-22 宁波方太厨具有限公司 Extractor hood
CN108194960A (en) * 2018-03-07 2018-06-22 佛山市云米电器科技有限公司 A kind of oil-fume separating device for forming vortex and a kind of kitchen ventilator
CN112771316A (en) * 2018-07-18 2021-05-07 金知河 Local exhaust device
CN114688597A (en) * 2022-06-01 2022-07-01 杭州老板电器股份有限公司 Double-cavity range hood

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2566147Y (en) * 2002-06-06 2003-08-13 严振华 Air curtain type oil-fume exhauster
CN1668880A (en) * 2002-07-26 2005-09-14 株式会社山善 Range hood
CN2791516Y (en) * 2004-12-02 2006-06-28 张伟生 Cooking fume pumping machine for kitchen
CN1940392A (en) * 2005-09-26 2007-04-04 司廷 Entrainment internally-circulating cooker hood with air curtain
US20070202791A1 (en) * 2006-02-24 2007-08-30 Shuei-Yuan Lee Auxiliary exhaust structure and method therfor
CN103175238A (en) * 2011-12-22 2013-06-26 博西华电器(江苏)有限公司 Method, device and smoke exhaust ventilator for enhancing smoke extraction effect
CN103375831A (en) * 2012-04-20 2013-10-30 博西华电器(江苏)有限公司 Range hood and rotary air curtain generation device for oil smoke purification device
CN205825168U (en) * 2016-06-29 2016-12-21 广东万和新电气股份有限公司 Rotary flow guide device and apply its range hood

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2566147Y (en) * 2002-06-06 2003-08-13 严振华 Air curtain type oil-fume exhauster
CN1668880A (en) * 2002-07-26 2005-09-14 株式会社山善 Range hood
CN2791516Y (en) * 2004-12-02 2006-06-28 张伟生 Cooking fume pumping machine for kitchen
CN1940392A (en) * 2005-09-26 2007-04-04 司廷 Entrainment internally-circulating cooker hood with air curtain
US20070202791A1 (en) * 2006-02-24 2007-08-30 Shuei-Yuan Lee Auxiliary exhaust structure and method therfor
CN103175238A (en) * 2011-12-22 2013-06-26 博西华电器(江苏)有限公司 Method, device and smoke exhaust ventilator for enhancing smoke extraction effect
CN103375831A (en) * 2012-04-20 2013-10-30 博西华电器(江苏)有限公司 Range hood and rotary air curtain generation device for oil smoke purification device
CN205825168U (en) * 2016-06-29 2016-12-21 广东万和新电气股份有限公司 Rotary flow guide device and apply its range hood

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106402972A (en) * 2016-11-07 2017-02-15 宁波方太厨具有限公司 Smoke exhauster
CN106524252A (en) * 2016-11-07 2017-03-22 宁波方太厨具有限公司 Extractor hood
CN106524252B (en) * 2016-11-07 2019-11-29 宁波方太厨具有限公司 A kind of range hood
CN108194960A (en) * 2018-03-07 2018-06-22 佛山市云米电器科技有限公司 A kind of oil-fume separating device for forming vortex and a kind of kitchen ventilator
CN108194960B (en) * 2018-03-07 2022-12-30 佛山市云米电器科技有限公司 Oil smoke separating device capable of forming vortex and range hood
CN112771316A (en) * 2018-07-18 2021-05-07 金知河 Local exhaust device
CN114688597A (en) * 2022-06-01 2022-07-01 杭州老板电器股份有限公司 Double-cavity range hood
CN114688597B (en) * 2022-06-01 2022-09-20 杭州老板电器股份有限公司 Double-cavity range hood

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