CN103410751B - A kind of blower fan - Google Patents
A kind of blower fan Download PDFInfo
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- CN103410751B CN103410751B CN201310372603.XA CN201310372603A CN103410751B CN 103410751 B CN103410751 B CN 103410751B CN 201310372603 A CN201310372603 A CN 201310372603A CN 103410751 B CN103410751 B CN 103410751B
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- blower fan
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Abstract
A kind of blower fan, include casing, motor and impeller, casing has air inlet and air outlet, it is characterized in that: impeller comprises end circle, blade and mid-game, end circle is located at the side near air inlet, the side near air outlet is located in mid-game, blade is fixed in end circle and mid-game, in mid-game, be provided with can synchronize with mid-game rotate oil strain part, the tobacco tar mixing air entering from air inlet forms oil droplet at oil strain part the inner quilt collision of casing trapping, and described oil droplet is got rid of to casing inner wall under the effect of blower fan centrifugal force, air after filtering oil droplet flows out from air outlet through after oil strain part. the invention has the advantages that: blower fan is by arranging mid-game and oil strain part in a side of air outlet, oil smoke mixing air is through under collision trapping and centrifugal action, oil droplet is got rid of to casing inner wall, and air after isolation of purified flows out from air outlet through oil strain part, visible isolating construction is simple and separating effect is better.
Description
Technical field
The present invention relates to a kind of ventilation and oil smoke separation, purifier, especially relate to a kind of blower fan.
Background technology
All can produce a large amount of oil smoke, mist of oils of being mixed with in industries such as metal processing, welding processing, food processing, food and drinkMist, if mist is not suitably processed, not only can affect operating personnel's physical and mental health, to ringSevere contamination also can be caused in border. Such as, generally use by air-duct spiral case, wind wheel, electricity at current integrated kitchen range, lampblack absorberThe centrifugal blower of machine composition extracts, discharge oil smoke, and its operation principle is to utilize the blast producing after wind wheel rotation tobacco tar warpAir-duct spiral case is directly discharged in air. Although some centrifugal blower is provided with metal filtration plate and filters oil smoke, large gaugingCigarette still can be discharged in air, causes air pollution, and, centrifugal blower after long-time use, wind wheel, windRoad spiral case, metal filtration plate can accumulate a large amount of greasy dirts, not only cause exhaust air rate to decline, and motor load is increased,Easily burn out motor, thereby reduce the service life of centrifugal blower.
If the patent No. is that ZL91229442.6(Granted publication number is CN2118901U) Chinese utility model disclosed" with the directed air exhauster of oil catcher ", this air exhauster, on the basis of existing air exhauster, is set up an orientation at topAir outlet, and set up an oil catcher in its bottom, be provided with screen pack at the internal layer of face shield. Purify by screen pack andThough isolation oil smoke has certain effect, poor effect
And for example the patent No. is that ZL200620024011.4(Granted publication number is CN2893239Y) Chinese utility modelPatent disclosed " centrifugal ventilator for cooling electric machine ", this centrifugal ventilator for cooling electric machine comprises with entering,The spiral case of air outlet, is fixed on the blower motor of spiral case side and is positioned at spiral case and by motor-driven centrifugal impeller,In spiral case, air inlet place is fixed with current collector, and spiral case air inlet one side is fixed with oil blocking cover. Adopt after oil blocking cover at air inlet,Although can purify oil smoke and mist of oil to a certain extent, many oil smoke and mist of oil still can through oil blocking cover fromAir inlet enters blower fan, from fan outlet mist out, also contains many oil smoke and mist of oil, oil smoke andThe clean-up effect of mist of oil need further raising.
And for example the patent No. is that ZL201220011453.0(Granted publication number is CN202493486U) China practical newType patent disclosed " blower fan ", this blower fan comprises housing, air inlet, air outlet, mounting seat, impeller and motor,Described air inlet and air outlet are located at the opposite side of housing, and described mounting seat is fixed on housing below, and described impeller is installedIn enclosure interior, described motor is located at hull outside and is connected with housing by drive mechanism, wherein, and described impeller belowHousing be provided with some oil leaking holes, the below of described oil leaking hole is provided with a draw-off tray, described draw-off tray one end is provided with one and lets outFuel tap. Although this blower fan is by arranging after oil leaking hole and draw-off tray, under the effect of impeller centrifugal force, in mistOil smoke and mist of oil be thrown to and in inner walls, form oil droplet, oil droplet and then splash in draw-off tray by oil leaking hole. But,Because oil smoke and mist of oil collision trapping is abundant not, be thrown to oil droplet in inner walls comparatively limited, still have many oil smoke andMist of oil flows out from fan outlet, causes the clean-up effect of oil smoke and mist of oil not good.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned prior art present situation, provides a kind of isolating construction simple and oilyThe blower fan of cigarette good separating effect.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of blower fan, includes casing, motor and establishIn casing inside and by motor-driven impeller, described casing has air inlet and air outlet, it is characterized in that: described inImpeller comprise end circle, blade and mid-game, described end circle is located at the side near air inlet, described mid-game is located at and is leaned onOne side of nearly air outlet, described blade is fixed in end circle and mid-game, is provided with and can synchronizes with mid-game in described mid-gameThe oil strain part rotating, the tobacco tar mixing air entering from air inlet forms at oil strain part the inner quilt collision of casing trappingOil droplet, and described oil droplet under the effect of blower fan centrifugal force by being got rid of to casing inner wall, the air after filtering oil droplet is through filterAfter oil part, flow out from air outlet.
Oil strain part can adopt various structures, and a kind of scheme is that described oil strain part is an oil strain ring, described oil strain ringComprise outer retainer ring and Oil Guide bar, the inner of described Oil Guide bar is fixed on the edge of mid-game, and the outer end of described Oil Guide bar is solidFix on outer retainer ring, between described outer retainer ring and casing inner wall, leave gap.
Oil Guide bar can have multiple different structure, and preferably, described Oil Guide bar is spoke-like or latticed.
The another kind of scheme of oil strain part is, described oil strain part is an oil strain ring, described oil strain ring comprise interior retainer ring,Outer retainer ring and be located at interior retainer ring and outer retainer ring between Oil Guide bar, described interior retainer ring is fixed on the limit of mid-gameEdge, leaves gap between described outer retainer ring and casing inner wall.
Another scheme of oil strain part is, described oil strain part is an oil filtering disc, and described oil filtering disc comprises fixed disk, Oil GuideSpoke and retainer plate, the center of described fixed disk has through hole, and described Oil Guide spoke is radial arrangement, Oil Guide spokeThe inner is fixed on the edge of fixed disk, and the outer end of Oil Guide spoke is fixed on retainer plate, and described fixed disk covers and fixesOn the side of air outlet, between described retainer plate and casing inner wall, leave gap in mid-game. Certainly, oil filtering disc also canBeing only to have only included fixed disk, and have numerous filtering holes that circularize distribution in the periphery of fixed disk, fixed disk withBetween casing inner wall, leave gap.
The motor of blower fan can have multiple mounting structure, and preferably, the side near air outlet on described casing is fixed withOne motor mount has installing hole in described mid-game, and described motor is external rotor electric machine, this external rotor electric machineStator be fixed on motor mount, the rotor of external rotor electric machine is through installing hole fixing with mid-game. Certainly electricity,Machine also can adopt inner rotor motor, as long as can realize the rotation of impeller under the driving of motor.
For blade being securely fixed between end circle and mid-game, in described end circle and mid-game, be equipped with bayonet socket, described inThe two ends of blade are provided with the card base being fastened in described bayonet socket. Certainly, blade can also adopt other fixed forms and end circleAnd mid-game fixes, such as blade can weld or be riveted in end circle and mid-game.
Fan casing can adopt various structures, and a kind of scheme is that described casing is at a lateral profile Cheng Youyi of air inletNecking part, the inside of necking part is located at by described end circle and the profile of end circle is consistent with the profile of necking part.
Preferably, the neck-in of described necking part forms mounting groove, and described end circle is hidden towards one end of air inletIn this mounting groove.
The another kind of scheme of fan casing is that described casing is formed with the collection wind of a bell mouth shape in a side direction of air inletCircle.
Compared with prior art, the invention has the advantages that: this blower fan arranges mid-game and oil strain by the side at air outletPart, under the driving of motor, oil smoke mixing air is caught in the inner quilt end of casing circle, blade, mid-game and the collision of oil strain partAfter collection, on oil strain part, form oil droplet, and under the effect of blower fan centrifugal force, oil droplet and then quilt are got rid of to casing inner wall,And air after isolation of purified flows out from fan outlet through oil strain part, visible, the not only oil smoke isolating construction of this blower fanComparatively simple, and tobacco tar mixing air undertakies by impeller and oil strain part after collision trapping fully in casing inside, then byThe oil strain part that is positioned at fan outlet place separates, and oil smoke separating effect is better.
Brief description of the drawings
Fig. 1 is the structural representation (air inlet upward) of the embodiment of the present invention one;
Fig. 2 is the structural representation (air outlet upward) of the embodiment of the present invention one;
Fig. 3 is the perspective exploded view of blower fan shown in Fig. 2;
Fig. 4 is the further perspective exploded view of blower fan shown in Fig. 3;
Fig. 5 is the cutaway view of blower fan shown in Fig. 1;
Fig. 6 is the perspective exploded view of the embodiment of the present invention two;
Fig. 7 is the structural representation of the embodiment of the present invention three;
Fig. 8 is the structural representation of the embodiment of the present invention four;
Fig. 9 is the perspective exploded view of blower fan shown in Fig. 8;
Figure 10 is the structural representation of the embodiment of the present invention five
Figure 11 is the cutaway view of blower fan shown in Figure 10.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.
Embodiment mono-: as shown in Figures 1 to 5, the blower fan in the present embodiment comprises casing 1, motor 2, end circle 3, leafSheet 4, mid-game 5, oil strain ring 6 and motor mount 8. Wherein, the opposite side of casing 1 has air inlet 11 and air-outMouth 12, end circle 3 and blade 4 are all located at casing 1 inside, and end circle 3 is located at sides of close air inlet 11, inDish 5 is located at the side near fan outlet 12, in end circle 3 and mid-game 5, is equipped with bayonet socket 9, the two ends of blade 4Have card base 41, when installation, the card base 41 of blade one end snaps in the bayonet socket 9 of end circle 3, the card base 41 of the other endBe stuck in the bayonet socket 9 of mid-game 5, thereby form impeller after making blade, end circle and mid-game fixing. Oil strain ring 6 comprises outer solidFixed ring 61 and Oil Guide bar 62, the inner of Oil Guide bar 62 is fixed on the edge of mid-game 5, and the outer end of Oil Guide bar 62 is fixed onOn outer retainer ring 61, between outer retainer ring 61 and casing 1 inwall, leave gap. In the present embodiment, Oil Guide bar 62 isSpoke-like. Motor mount 8 is fixed on the side near air outlet 12 on casing 1, in mid-game 5, has installing hole51, motor 2 adopts external rotor electric machine, and the stator 21 of external rotor electric machine is fixed on motor mount 8, external rotor electricThe rotor 22 of machine passes installing hole 51 and fixes with mid-game 5. From the mounting structure of above-mentioned each parts, end circle 3,Blade 4, mid-game 5 and oil strain ring 6 are fixed together, and carry out in casing 1 inside under the driving of external rotor electric machineSynchronous rotation.
In addition, the casing 1 in the present embodiment becomes to have necking part 13 in a lateral profile of air inlet 11, and end circle 3 is positioned atThe inside of necking part 13 and its profile are consistent with the profile of necking part 13. And the neck-in shape of necking part 13Become mounting groove 14, end circle 3 is in one end of air inlet is hidden in this mounting groove 14.
When blower fan work, motor 2 drives impeller are rotated, and by the Bas Discharged in casing 1, the gas in casing 1 are pressedPower is less than the external world, utilizes the blast that wheel rotation produces to suck tobacco tar mixing air from air inlet. Because oil strain ring 6 is with leafWheel is synchronous to rotate, and tobacco tar mixing air enters behind casing 1 inside, at end circle 3, blade 4, mid-game 5 and oil strain ring 6Collision trapping under, oil smoke is separated and is formed oil droplet and be attached on Oil Guide bar 62 from mixing air, and exists simultaneouslyUnder the effect of centrifugal force, oil droplet radially gets rid of to casing 1 inwall along Oil Guide bar 62. Can install at casing 1 inwallOil catcher such as oil collecting ring, to collect the oil droplet being formed on casing inner wall, oil collecting ring can flow by oil guide pipeEnter in lubricating cup, this prior art that is blower fan, launches to describe at this no longer in detail. Oil droplet quilt in tobacco tar mixing airWhen separation, flow out from fan outlet 12 in the space of the air after isolation of purified through Oil Guide bar 62, only hasThe oil smoke of minute quantity is separated and enter air from fan outlet 12, thereby has greatly reduced air pollution. ThisOutward, in the blower fan course of work, motor 2 keeps constant rotational speed so that blower fan produces constant flow rate, thereby blower fan is producedConstant oil smoke separating effect.
Embodiment bis-, as shown in Figure 6, the oil strain ring 6 of the present embodiment comprises interior retainer ring 63, outer retainer ring 61 and establishesOil Guide bar 62 between interior retainer ring and outer retainer ring, wherein, interior retainer ring 63 is fixed on the edge of mid-game 5, outerBetween retainer ring 61 and casing 1 inwall, leave gap. All the other structures are identical with embodiment mono-, do not repeat them here.
Embodiment tri-: as shown in Figure 7, the Oil Guide bar 62 of the oil strain ring 6 of the present embodiment adopts fenestral fabric, adoptsAfter fenestral fabric, can increase the collision seizure probability of mixing oil smoke in oil smoke air, all the other structures and embodiment mono-phaseWith, do not repeat them here.
Embodiment tetra-: as shown in Figure 8 and Figure 9, what the oil strain part in the present embodiment adopted is oil filtering disc 7, this oil filtering disc7 comprise fixed disk 71, Oil Guide spoke 72 and retainer plate 73, and fixed disk 71 center has through hole 74, Oil Guide spoke72 are radial arrangement, and the inner of Oil Guide spoke 72 is fixed on the edge of fixed disk 71, and the outer end of Oil Guide spoke 72 is solidFix on retainer plate 73, fixed disk 71 covers and is fixed on mid-game 5 on the side of air outlet 12, retainer plate 73And leave gap between casing 1 inwall. When mounted motor, the rotor 22 of motor is through the through hole 74 of fixed disk. Certainly,Oil filtering disc 7, except adopting Oil Guide spoke 72, also can adopt latticed Oil Guide bar, latticed Oil Guide bar structureCan reference example three and Fig. 7, do not launch to describe at this.
Embodiment five: as shown in Figure 10 and Figure 11, the casing 1 in the present embodiment is shape in a side direction of air inlet 11The collection solar or lunar halo 15 that becomes to have bell mouth shape, all the other structures are identical with embodiment mono-, do not repeat them here.
The foregoing is only the preferred embodiment of the present invention, it should be pointed out that for those of ordinary skills,Not departing under principle prerequisite of the present invention, can carry out multiple remodeling or improvement to the present invention, such as the structure of oil strain partBe not limited to the given structure of above-described embodiment, also can adopt oil strain ring or the oil strain of bilayer or sandwich constructionDish, such as the casing of blower fan is except the structure that adopts above-described embodiment and provide, can also adopt other applicable structures again,Within all these are all regarded as protection scope of the present invention.
Claims (10)
1. a blower fan, include casing (1), motor (2) and be located at casing inner and by motor-driven impeller, described inCasing (1) there is air inlet (11) and air outlet (12), it is characterized in that: described impeller comprises end circle (3), blade (4)And mid-game (5), described end circle (3) is located at the side near air inlet (11), and described mid-game (5) is located near air outlet (12)A side, described blade (4) is fixed on end circle (3) and mid-game (5) is gone up, in described mid-game (5), be provided with can with mid-game (5)The oil strain part of synchronous rotation, the tobacco tar mixing air entering from air inlet (11) is being filtered the inner quilt collision of casing (1) trappingOn oil part, form oil droplet, and described oil droplet is got rid of to casing (1) inwall, after filtering oil droplet under the effect of blower fan centrifugal forceAir through flowing out from air outlet (12) after oil strain part.
2. blower fan according to claim 1, is characterized in that: described oil strain part is an oil strain ring (6), described inOil strain ring (6) comprise outer retainer ring (61) and Oil Guide bar (62), the inner of described Oil Guide bar is fixed on the edge of mid-game (5),The outer end of described Oil Guide bar is fixed on outer retainer ring, between leaving between described outer retainer ring (61) and casing (1) inwallGap.
3. blower fan according to claim 2, is characterized in that: described Oil Guide bar (62) is spoke-like or gridShape.
4. blower fan according to claim 1, is characterized in that: described oil strain part is an oil strain ring (6), described inOil strain ring (6) comprise interior retainer ring (63), outer retainer ring (61) and be located at interior retainer ring and outer retainer ring between Oil Guide bar(62), described interior retainer ring (63) is fixed on the edge of mid-game (5), described outer retainer ring (61) and casing (1) inwall itBetween leave gap.
5. blower fan according to claim 1, is characterized in that: described oil strain part is an oil filtering disc (7), described inOil filtering disc (7) comprises fixed disk (71), Oil Guide spoke (72) and retainer plate (73), and the center of described fixed disk (71) has through hole(74), described Oil Guide spoke (72) is radial arrangement, and the inner of Oil Guide spoke (72) is fixed on the edge of fixed disk, Oil GuideIt is upper that the outer end of spoke (72) is fixed on retainer plate (73), and described fixed disk (71) covers and be fixed on mid-game (5) towards air outlet(12), on side, between described retainer plate (73) and casing (1) inwall, leave gap.
6. blower fan according to claim 1, is characterized in that: upper near air outlet (12) at described casing (1)One side is fixed with a motor mount (8), has installing hole (51) in described mid-game (5), and described motor (2) is for turning outwardSub-motor, it is upper that the stator (21) of this external rotor electric machine is fixed on motor mount (8), and the rotor (22) of external rotor electric machine passesInstalling hole (51) also fixes with mid-game (5).
7. blower fan according to claim 1, is characterized in that: in described end circle (3) and mid-game (5), be equipped with cardMouth (9), the two ends of described blade (4) are provided with the card base (41) being fastened in described bayonet socket (9).
8. according to the blower fan described in arbitrary claim in claim 1 to 7, it is characterized in that: described casing (1) existsOne lateral profile Cheng Youyi necking part (13) of air inlet (11), described end circle (3) is located at inside and the end circle of necking part (13)(3) profile is consistent with the profile of necking part (13).
9. blower fan according to claim 8, is characterized in that: the neck-in of described necking part (13) formsMounting groove (14), described end circle (3) is in one end of air inlet (11) is hidden in this mounting groove (14).
10. according to the blower fan described in arbitrary claim in claim 1 to 7, it is characterized in that: described casing (1)In a side direction of air inlet (11), be formed with the collection solar or lunar halo (15) of a bell mouth shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310372603.XA CN103410751B (en) | 2013-08-23 | 2013-08-23 | A kind of blower fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310372603.XA CN103410751B (en) | 2013-08-23 | 2013-08-23 | A kind of blower fan |
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| Publication Number | Publication Date |
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| CN103410751A CN103410751A (en) | 2013-11-27 |
| CN103410751B true CN103410751B (en) | 2016-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310372603.XA Active CN103410751B (en) | 2013-08-23 | 2013-08-23 | A kind of blower fan |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104595956B (en) * | 2015-01-27 | 2017-10-17 | 北京洁星环保科技有限公司 | The electrically separated device of oil smoke, smoke exhaust ventilator and oil smoke separation method |
| CN105952689B (en) * | 2016-07-19 | 2018-11-02 | 宁波日进通风设备有限公司 | Wind turbine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2363215Y (en) * | 1999-01-06 | 2000-02-09 | 曾明 | Strong cooking fume purifier |
| JP2001012381A (en) * | 1999-06-29 | 2001-01-16 | Souki:Kk | Ventilating fan |
| CN101028575A (en) * | 2007-01-18 | 2007-09-05 | 黄友阶 | Air dust centrifugal purifier and method for making rotary filter net disk |
| CN201730874U (en) * | 2010-01-13 | 2011-02-02 | 张生位 | Centrifugal fan with oil fume separating function |
| CN102072515A (en) * | 2011-01-21 | 2011-05-25 | 宁波方太厨具有限公司 | Range hood with air-suction double-injection acceleration function |
| CN203441793U (en) * | 2013-08-23 | 2014-02-19 | 董贵生 | Draught fan |
-
2013
- 2013-08-23 CN CN201310372603.XA patent/CN103410751B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2363215Y (en) * | 1999-01-06 | 2000-02-09 | 曾明 | Strong cooking fume purifier |
| JP2001012381A (en) * | 1999-06-29 | 2001-01-16 | Souki:Kk | Ventilating fan |
| CN101028575A (en) * | 2007-01-18 | 2007-09-05 | 黄友阶 | Air dust centrifugal purifier and method for making rotary filter net disk |
| CN201730874U (en) * | 2010-01-13 | 2011-02-02 | 张生位 | Centrifugal fan with oil fume separating function |
| CN102072515A (en) * | 2011-01-21 | 2011-05-25 | 宁波方太厨具有限公司 | Range hood with air-suction double-injection acceleration function |
| CN203441793U (en) * | 2013-08-23 | 2014-02-19 | 董贵生 | Draught fan |
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| CN103410751A (en) | 2013-11-27 |
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