CN104748184B - A kind of disc for range hood fan - Google Patents

A kind of disc for range hood fan Download PDF

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Publication number
CN104748184B
CN104748184B CN201510098048.5A CN201510098048A CN104748184B CN 104748184 B CN104748184 B CN 104748184B CN 201510098048 A CN201510098048 A CN 201510098048A CN 104748184 B CN104748184 B CN 104748184B
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Prior art keywords
groove
main body
disc
disc main
layer
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CN104748184A (en
Inventor
李斌
茅忠群
诸永定
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Ningbo Fotile Kitchen Ware Co Ltd
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Ningbo Fotile Kitchen Ware Co Ltd
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    • 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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ventilation (AREA)
  • Separating Particles In Gases By Inertia (AREA)

Abstract

The invention discloses a kind of disc for range hood fan, including disc main body, it is characterised in that:Be provided with the surface of the disc main body be centrosymmetric and array arrangement arc groove, each groove radially extends, and at least two layers of the groove array is provided with the surface of the disc main body, each layer groove array forms annular shape, and spoke is formd on the disc main body surface, between every layer of adjacent groove.By setting the deep-slotted chip breaker radially extended, after oil droplet contacts with disc main body, it can compare and successfully flow from inside to outside, and realize that the grease of higher efficiency centrifuges after obtaining bigger centrifugal force;And multi-layer groove array is set, on the one hand the rigidity of disc main body is improved, on the other hand, can be after specific selected blower fan system according to actual flue gas concentration distribution character, every layer of groove and spoke are more freely distributed to optimal width dimensions, without being influenceed by other layer of groove, filter effect is lifted as much as possible.

Description

A kind of disc for range hood fan
Technical field
The present invention relates to a kind of lampblack absorber, especially a kind of disc for range hood fan.
Background technology
With the continuous improvement of people's environment protection health level of consciousness, people give more next to the environmental protection index of range hood More attention.And range hood has an important performance indications -- grease separating degree.Range hood crosses grease in filtering fume Ability it is stronger, then grease separating degree is also higher.
The interception that oil smoke is carried out by cavernous screen pack is generally employed on traditional range hood at present, by with Filtering to lampblack absorber grease is realized in the soot gas effects such as deceleration, condensation that collide.Such as Application No. A kind of lampblack absorber rotation grease separation filter screen, filter screen center hole pass through sleeve disclosed in 201420296349.X Chinese patent The rotary shaft of motor is installed on knob, filter screen plate disk body is rounded, and disk body is provided with filter opening, and filter opening is using the centre bore of disk body as circle The heart, in the circumferential arrangement of different radii;A kind of and for example fume-exhausting disclosed in the Chinese patent of Application No. 201420326485.9 The screen pack of machine, including filter screen body and installation portion, offer multiple circular mesh on filter screen body, and multiple mesh are along circle All array or triangular array regular arrays.But due to the approximate aperture of cellular net should not design it is too small, otherwise can shape Into larger air intake resistance, influence smoke absorption effect and deteriorate noise, therefore the ability for intercepting filtering grease is not universal high.
The filtration of also a kind of rotating disk using steel wire winding, such as the China of Application No. 201320066289.8 A kind of oil strain guard of household smoke exhaust ventilator disclosed in patent, including cover body, cover body include breathable outer rigid cap layer, can be saturating The rigid inner shield layer of gas, the oil reservoirs between outer rigid cap layer and rigid inner shield layer, oil reservoirs are by with outer rigid cap layer Center centered in made of mesh grid to the concavo-convex water ripples shape of external diffusion, mesh grid can use stainless steel wire;And for example A kind of oil fume separator disclosed in the Chinese patent of Application No. 201320126221.4, including wheel body, oil smoke filter screen steel wire And stator, wheel body have hub portion and drop center portion, hub portion center is provided with axle sleeve, and oil smoke filter screen steel wire passes through axle sleeve, and And the circumferencial direction uniform winding along drop center portion periphery is knitted to form radial guard and is arranged at wheel body surface.But this filter Web frame, the manufacturing process of its winding steel wire is extremely complex, and the winding of steel wire can only between two fulcrums linear state, The straight spoke cross structure of similar bicycle tyre, on the one hand have impact on filter capacity, on the other hand, thickly dotted steel wire rotation Great noise is generated after turning, sound quality declines, and cleaning is also very troublesome.
The content of the invention
The technical problems to be solved by the invention are in view of the above-mentioned problems of the prior art, providing a kind of lifting grease The disc for range hood fan of filter capacity.
Technical scheme is used by the present invention solves above-mentioned technical problem:A kind of disc for range hood fan, Including disc main body, it is characterised in that:It is provided with the surface of the disc main body and is centrosymmetric and the arc of array arrangement Groove, each groove radially extends, and at least two layers of the groove array is provided with the surface of the disc main body, each The layer groove array forms annular shape, and spoke is formd on the disc main body surface, between every layer of adjacent groove.
The shape of groove can be preferably, the width of the groove along it is radially uniform it is equal, along radially gradually increase or Along being radially gradually reduced.
It is unsuitable excessive or too small because the width of groove has bigger influence to filter effect, the too small groove of one side Though width can filter more grease particles, it is easy to adhere to grease, while can also increases windage, influences air quantity and noise It is horizontal;And excessive width then can decline filter capacity, using suitable width, could preferably solve strainability, block up Contradiction between plug, therefore, in the present invention preferably, the width of the groove is between 0.3mm~3mm.
To lift oil separation effect, the exit angle of the groove is more than 90 ° into backward arrangement, so that in oil smoke A pre-rotation is produced before into impeller, further make use of the rotation of oil smoke, increase oil smoke and disc main body makees expenditure.
To reduce the windage of disc, the width of the spoke is between 0.5~2mm.
According to an aspect of the present invention, the disc main body has a first end and the second end, and the diameter at second end is small In the diameter of the first end, the first end and the second end are located at approximately the same plane so that the disc main body is rounded to put down Tabular.
According to another aspect of the present invention, the disc main body has first end and the second end, the diameter at second end Less than the diameter of the first end, the disc main body is from first end gradually to the second end indent so that the disc main body is in height For H hollow round table shape, H>0.Due to adding the tapering transition of a H height in the axial direction, on the one hand, can cause same The oil-feed cigarette channel of diameter is actual to be increased with the contact area of oil smoke, is advantageous to occur to separate with the collision of oil smoke, on the other hand, It can play a part of flowing into speed reduction to oil smoke, improve the time of contact of oil smoke and disc main body, lift the interception effect of grease Rate.
For ease of processing, the groove is directly processed by punching press, laser cutting or liquid corrosion mode on a metal plate It is made, it is possible thereby to which the width and radian to groove design according to the filter effect of most advantage, for filtering the oil of different-grain diameter Smoke particle.
Compared with prior art, the advantage of the invention is that:1st, by setting the deep-slotted chip breaker radially extended, when oil droplet and disk After body contact, it can compare and successfully flow from inside to outside, and obtain the grease that higher efficiency is realized after bigger centrifugal force Centrifuge;And multi-layer groove array is set, and the rigidity of disc main body is on the one hand improved, on the other hand, can be in specific selected wind According to actual flue gas concentration distribution character after machine system, every layer of groove and spoke are more freely distributed to optimal width dimensions, and It will not be influenceed by other layer of groove, lift filter effect as much as possible;2nd, the width of suitable groove is taken, preferably solves filtering Contradiction between performance, blocking;3rd, the exit angle of groove is in backward arrangement, with the direction of rotation of impeller on the contrary, so that Oil smoke produces a pre-rotation before entering impeller, further make use of the rotation of oil smoke, increases the effect of oil smoke and disc main body Degree;4th, due to adding the tapering transition of a H height in the axial direction, on the one hand, the oil smoke that enters of same diameter can be caused to lead to Road is actual to be increased with the contact area of oil smoke, is advantageous to occur to separate with the collision of oil smoke, on the other hand, can be played to oil smoke The effect that inflow velocity slows down, the time of contact of oil smoke and disc main body is improved, lift the intercepting efficiency of grease.
Brief description of the drawings
The dimensional structure diagram of the disc of Fig. 1 present invention;
Fig. 2 is the front view of the disc of the present invention;
Fig. 3 is the side view of the disc of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
Referring to Fig. 1~Fig. 3, a kind of disc for range hood fan, including disc main body 1, suction can be directly installed on The air inlet of the wheel nose of the blower fan of lampblack absorber, placed in static state;The forward position of the impeller of blower fan can also be located at, and And be coaxially mounted on impeller on the motor shaft of blower fan, with impeller synchronous rotary;Can also individually with it is whole after motor connection Body is installed on the front side of impeller.Above-mentioned a variety of application methods and occasion, the versatility of the disc of the present invention can be improved.
Disc main body 1 has the end 12 of first end 11 and second, and the diameter at the second end 12 is less than the diameter D of first end 11. In one embodiment of the present of invention, the end 12 of first end 11 and second is located at approximately the same plane, the i.e. rounded flat board of disc main body 1 Shape, H=0, H are the depth of disc main body 1.
And in another preferred embodiment of the present invention, disc main body 1 from first end 11 gradually to the indent of the second end 12, So that the depth H of the air line distance, i.e. disc main body 1 at the end 12 of first end 11 and second>0, now disc main body 1 is in H in height It is empty round table-like.Compared with H=0 embodiment, due to adding the tapering transition of a H height in the axial direction, on the one hand, can To cause the oil-feed cigarette channel of same diameter actual and the increasing of the contact area of oil smoke, be advantageous to occur to separate with the collision of oil smoke, On the other hand, it can play a part of flowing into speed reduction to oil smoke, improve the time of contact of oil smoke and disc main body 1, lifting oil The intercepting efficiency of fat.During installation, according to space layout in blower fan, the second end 12 can be caused to set inwardly or outwardly.
The groove 2 of the arc along Central Symmetry and array arrangement is provided with the surface of disc main body 1, on the surface of disc main body 1 At least two layers of the array of groove 2 can be radially set, as depicted in figs. 1 and 2, arranged in the embodiment in the present invention Three layers of array combination of groove 2.Due to oil smoke enter draught fan impeller before flue gas circumference concentration distribution by blower fan rotating speed, The influence of the species of impeller and inlet and outlet angular dimensions, after hierarchical design, the rigidity of disc main body 1 is on the one hand improved, on the other hand, Every layer of groove 2 and spoke can be more freely distributed after specific selected blower fan system according to actual flue gas concentration distribution character Bar 3 (will be explained below) arrives optimal width dimensions, and without being influenceed by other layer of groove 2, lifting filtering as much as possible is imitated Fruit.
The array of groove 2 is arranged to centrosymmetric annular shape, and each groove 2 radially extends, and its bending direction and radian are excellent Choosing is consistent.By setting the groove 2 radially extended and with certain radian, after oil droplet contacts with disc main body 1, can compare Flow more from inside to outside, and realize that the grease of higher efficiency centrifuges after obtaining bigger centrifugal force.
Groove 2 directly can be entered accommodating by kinds of processes such as punching press, laser cutting or liquid corrosions on a metal plate Processing successively, technique is simple, and the width and radian of groove 2 can be designed according to the filter effect of most advantage, is used for Filter the smoke particle of different-grain diameter.The width for remembering the radial outside end of groove 2 is t1, and the width t at the radially inner side end of groove 22, T can be caused1=t2Or it is gradually reduced from radially inner side end to radial outside end in tapered or gradual increase in flaring Trend, i.e. t1≠t2.Can be 0.3mm at the width minimum of groove 2, and maximum can be then 3mm.The width of groove 2 is imitated to filtering Fruit has bigger influence, unsuitable excessive or too small, though on the one hand the width of too small groove 2 can filter more grease particles, But it is easy to adhere to grease, while can also increases windage, influence air quantity and noise level;And excessive width can then make filtering Ability declines, and using suitable width, could preferably solve the contradiction between strainability, blocking.
The exit angle β of the groove 2 of each layer of arc arranges in backward, i.e., more than 90 °, wherein, exit angle refers to groove 2 The angle between tangent to periphery where the tangent line of the port of export and the point, its direction of rotation with the impeller of blower fan is on the contrary, each The exit angle of layer groove 2 can unanimously can also be inconsistent.Arranged by the backward exit angle β of groove 2, enter impeller in oil smoke One pre-rotation of preceding generation, further make use of the rotation of oil smoke, and increase oil smoke and disc main body 1 makees expenditure, improve point From effect.
The spoke 3 of the protrusion of opposed slot 2, the width δ controls of spoke 3 are formd between groove 2 on the surface of disc main body 1, adjacent It is advisable between 0.5~2mm, it is possible thereby to significantly reduce windage.

Claims (5)

1. a kind of disc for range hood fan, including disc main body (1), it is characterised in that:The surface of the disc main body (1) On be provided be centrosymmetric and array arrangement arc groove (2), the groove (2) on a metal plate directly by punching press, Laser cutting or liquid corrosion mode are processed into, and each groove (2) radially extends, and the disc main body (1) At least two layers groove (2) array is provided with surface, each layer groove (2) array forms annular shape, the disc main body (1) spoke (3) is formd on surface, between the groove (2) that every layer adjacent;The exit angle of the groove (2) is more than 90 ° into backward Arrangement, the width of the spoke (3) is between 0.5~2mm.
2. it is used for the disc of range hood fan as claimed in claim 1, it is characterised in that:The width of the groove (2) along It is radially uniform it is equal, along radially gradually increase or along being radially gradually reduced.
3. it is used for the disc of range hood fan as claimed in claim 2, it is characterised in that:The width of the groove (2) exists Between 0.3mm~3mm.
4. such as the disc according to any one of claims 1 to 3 for range hood fan, it is characterised in that:The disk master Body (1) has first end (11) and the second end (12), and the diameter of second end (12) is less than the diameter of the first end (11), The first end (11) and the second end (12) are located at approximately the same plane so that the rounded tabular of the disc main body (1).
5. such as the disc according to any one of claims 1 to 3 for range hood fan, it is characterised in that:The disk master Body (1) has first end (11) and the second end (12), and the diameter of second end (12) is less than the diameter of the first end (11), The disc main body (1) is from first end (11) gradually to the second end (12) indent so that the disc main body (1) is in H in height Round table-like, the H of sky>0.
CN201510098048.5A 2015-03-05 2015-03-05 A kind of disc for range hood fan Active CN104748184B (en)

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Publication number Priority date Publication date Assignee Title
CN105091056A (en) * 2015-08-19 2015-11-25 王小兵 Lampblack filter for three-dimensional wire coil
CN105953281A (en) * 2016-06-30 2016-09-21 江苏保丽洁环境科技股份有限公司 Oil-fume separation meshed disc in dynamic oil-fume separation device
CN105937783A (en) * 2016-06-30 2016-09-14 江苏保丽洁环境科技股份有限公司 Dynamic oil smoke separation device
CN107774049A (en) * 2017-11-20 2018-03-09 佛山市卓健环保科技有限公司 A kind of self-priming intercepts poly- oil type oil fume purifier
CN108361792B (en) * 2018-04-13 2023-07-14 四川厨源不锈钢设备有限公司 Oil slinger
CN108800369A (en) * 2018-09-04 2018-11-13 北京元始天地科技有限公司 A kind of air purification all-in-one machine
CN109764376A (en) * 2018-12-31 2019-05-17 佛山市云米电器科技有限公司 The kitchen ventilator surface texture and its control method of liquid flow efficiency can be promoted
CN110793084A (en) * 2019-11-18 2020-02-14 杭州德意电器股份有限公司 Built-in chuck type range hood rotary filter screen and purification method thereof

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CN203744329U (en) * 2013-09-27 2014-07-30 任立伟 Rotary oil smoke purification device
CN204388168U (en) * 2014-12-18 2015-06-10 宁波方太厨具有限公司 A kind of range hood with filtering function
CN204513523U (en) * 2015-03-05 2015-07-29 宁波方太厨具有限公司 A kind of disc for range hood fan

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