CN100343594C - Antiinsects and dustproof device for air blowing system - Google Patents
Antiinsects and dustproof device for air blowing system Download PDFInfo
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- CN100343594C CN100343594C CNB031297080A CN03129708A CN100343594C CN 100343594 C CN100343594 C CN 100343594C CN B031297080 A CNB031297080 A CN B031297080A CN 03129708 A CN03129708 A CN 03129708A CN 100343594 C CN100343594 C CN 100343594C
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- air
- fly net
- circular plate
- air inflow
- rotation
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Abstract
The present invention discloses an insect preventing and dust preventing device of an air supply system, which comprises an organism, an air supply fan and a motor, wherein the organism is provided with an air inflow part for flowing into outside air, and an air flow path communicated with the air inflow part; the air supply fan is fixed on a motor shaft of the organism; the entrance point of the air inflow part is also provided with a plurality of rotary insect preventing nets which are formed by nets in a circular plate shape; the rotary insect preventing nets are fixed on the motor shaft in a multi-layer form, and are rotated with the air supply fan. The present invention has the other technical scheme that the entrance point of the air inflow part can be provided with a multi-layer insect preventing net group and bearings, wherein the multi-layer insect preventing net group formed by nets in a circular plate shape is composed of a plurality of insect preventing nets fixed on a rotary shaft with certain length, and utilizes air flow generated by the rotation of the air supply fan for rotation; the bearings are arranged between the multi-layer insect preventing net group and the air inflow part of the organism. The present invention is suitable for preventing foreign objects, such as fly insects or dust from entering the inside of the present invention when the air supply system inhales air. Inside components can not stack the foreign objects.
Description
Technical field
The present invention relates to a kind of insect protected and dust guard of supply air system, particularly relate to a kind of foreign matters such as winged insect or dust that prevent and enter into supply air system inside, and the air flow resistance that produces is reduced to the insect protected and the dust guard of the supply air system of minimum point.
Background technology
Generally, supply air system is to utilize fluid, both by the mobile system of the pressure official post air of air.Supply air system is to be made of body, drive motors, flabellum.Body possesses air flow circuit is arranged, and drive motors is installed in internal body and produces revolving force, and flabellum is accepted the driving force rotation of drive motors and can be arranged on rotatably in the air flow circuit of body.
Aforesaid supply air system, if to drive motors input power supply, drive motors work, the driving force that flabellum is accepted drive motors is rotated.Flabellum rotation causes air to produce pressure differential, and air since pressure differential along flow path.
The stream of air is that shape, the kind according to flabellum has different settings.When flabellum was the flabellum of tube-axial fan, the mobile of air was to flow into from the rear, the streamlined flow that flows out from the place ahead.When flabellum is the flabellum of centrifugal fan, or during Hot-air fan, the mobile of air is to flow into the curve that flows out to the side to flow from the place ahead.
Above-mentioned supply air system is applicable on the multiple machines such as household electrical appliance such as refrigerator, air-conditioner, micro-wave oven, illuminator without electrode or computer, has the heat that produces in diffusion and the cooling electrical equipment or the function of displacement inner air.
But above-mentioned supply air system has following problem.Winged insect or other foreign matters such as mosquito, fly in work, the air flow circuit by supply air system enters into machine intimate, causes the fault of parts or reduces the performance of supply air system.
Fig. 1 is the existing schematic cross-section that possesses the supply air system structure of dustproof, insect guard system.As shown in Figure 1, supply air system includes: the body that possesses air flow circuit F in inside is installed drive motors 20 for 10 li, 11 li rotatable blowing fan 30 is installed at the air inflow aperture that sucks outside air in the air flow circuit F of body 10, blowing fan 30 is connected on the motor shaft 21 of drive motors 20.
Be stamped the fly net 40 of the flat shape of mating with its size at air inflow aperture 11 places of body 10, fly net 40 is fixed on the body 10.Fly net 40 possesses with the internal diameter of the air inflow aperture 11 of body 10 big or small accordingly, the fixed part 42 that fly net possesses netted mesh portion 41 and curved elongated forms on the limit of mesh portion 41.Fly net 40 is to use by being connected and fixed portion 42 to be secured on the body 10 under mesh portion 41 covers the state of air inflow aperture 11 of body 10.
The support portion that unaccounted symbol 12 is support drive motors 20 among the figure.
If running drive motors 20 in such structure, the revolving force of drive motors 20 is sent on the blowing fan 30 by motor shaft, and blowing fan 30 rotations are along with the rotation generation pressure differential of blowing fan 30.Therefore, Wai Jie air enters in the air flow circuit F by air inflow aperture 11 and flows.At this moment and air enter into the winged insect of air inflow aperture 11 of body 10 or bigger foreign matter together, hang over and can not enter on the fly net 40 in body 10 inside.
But the insect protected of above-mentioned existing supply air system and dustproof construction have following shortcoming.The pressure differential that produces when utilizing blowing fan 30 rotations sucks in the process of extraneous air, and the winged insect or the foreign matter that suck together with outside air hang on the fly net 40, prevent to enter into the inside of body 10.But winged insect and foreign matter are deposited on the fly net 40, not only reduce the flow of air but also increase the suction resistance of air, and can not prevent that less foreign matter from entering into internal body.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of complete foreign matters such as winged insect or dust that can prevent to enter into inside, and can be reduced to the air flow resistance that produces the insect protected and the dust guard of the supply air system of minimum point.
The technical solution adopted in the present invention is: a kind of insect protected of supply air system and dust guard, include body, blowing fan, motor, and have the air inflow portion that flows into outside air, the air flow circuit that is communicated with air inflow portion in the body; Blowing fan is fixed on the motor shaft that is positioned in the body, and accepts the revolving force of motor and rotate, and is provided with multilayer fly net group, bearing in the porch of air inflow portion; Multilayer fly net group is to be fixed on the rotating shaft of certain-length by a plurality of fly nets that the circular plate type net forms, and utilizes the air that produces when rotating blowing fan to flow and rotate; Multilayer fly net group is arranged on air inflow portion place, and segregating foreign objects only is incorporated into air in the air inflow portion; Bearing is arranged between the air inflow portion of multilayer fly net group and body, can allow multilayer fly net group rotate, and multilayer fly net group is made of rotating shaft, a plurality of fly net, lining, and rotating shaft has certain length; A plurality of fly nets that the net of circular plate shape forms, every certain fixed distance on rotating shaft; Lining is in the spacing that keeps between the fly net between the fly net; In the fly net one or above fly net are by circular plate type mesh portion, fixed part, roll portion of band portion and constitute, circular plate type mesh portion is that the net by circular plate shape forms, the fixed part secure bond of central authorities of circular plate type mesh portion is on rotating shaft, a plurality of band portions of rolling are the center with the rotating shaft, and the radiation direction is formed in the circular plate type mesh portion.
The insect protected of supply air system of the present invention and dust guard have following effect.When being useful in the inside suction air of supply air system or other supply air systems, prevent that foreign matters such as winged insect or dust from entering into inside, make on the inner parts and can not pile up foreign matter.Therefore, can not only prevent that the parts performance from descending and can also prevent the breakage that the corrosion because of parts causes, so can improve reliability of products.And the air flow resistance that produces is dropped to minimum point, therefore not only suck air glibly but also can also contain the generation noise.
Description of drawings
Fig. 1 is the existing schematic cross-section that possesses the supply air system structure of dustproof, insect guard system;
Fig. 2 is the schematic cross-section of the supply air system structure of the insect protected of supply air system of the present invention and dust guard;
Fig. 3 is the front elevation of Fig. 2;
Fig. 4, Fig. 5, Fig. 6 are the schematic cross-sections of the insect protected of supply air system of the present invention and the different embodiment of the rotation fly net in the dust guard;
Fig. 7, Fig. 8 are that the side of the insect protected of supply air system of the present invention and air inflow portion in the dust guard and the different embodiment of rotation fly net is cut signal face figure;
Fig. 9 is the representative side section view of another embodiment of diagram insect protected of supply air system of the present invention and dust guard.
Wherein:
10: body 13: through hole
14: 15: the first planes, inclined plane
The plane 17 in 16: the second: vertical plane
20: motor 22: motor shaft
50: blowing fan 60,60 ': the rotation fly net
63: mesh extension 70: lining
90: rotating shaft 100,110: the fly net of multilayer fly net group
61,111: circular plate type mesh portion 62,112: fixed part
113: roll band portion 120: bearing
A: the air inflow F of portion: air flow circuit
R: multilayer fly net group
The specific embodiment
Provide specific embodiment below in conjunction with accompanying drawing, further specify the present invention and how to realize.
Fig. 2 is the schematic cross-section of the supply air system structure of the insect protected of supply air system of the present invention and dust guard; Fig. 3 is the front elevation of Fig. 2.
As Fig. 2, shown in Figure 3, at first installation can produce the motor 20 of revolving force in the body 10 of the air flow circuit F that has the air inflow A of portion that flows into outside air, is communicated with the air inflow A of portion.
The air inflow A of portion of body 10 is formed by through hole 13, inclined plane 14, first plane 15.Through hole 13 is communicated with air flow circuit F in a side of body 10.There is certain width also to tilt at the outer peripheral face of through hole 13 for the inclined plane 14 of annular.There is first plane 15 of certain area to be connected bending prolongation formation on the inclined plane 14.Inclined plane 14 forms acute angle with first plane 15.
Blowing fan 50 is fixed on the motor shaft 22 of motor 20, and in order to allow blowing fan 50 be positioned at 13 li of the through holes of air inflow portion, so it is arranged in the air flow circuit F.
Though blowing fan 50 can use Hot-air fan, axial flow fan, preferably use axial flow fan.
The top of motor shaft 22 is fixed with a plurality of rotation fly nets 60 that formed by the net of circular plate shape at a certain distance.
Between two adjacent rotation fly nets 60, be provided with the lining 70 that keeps distance between the rotation fly net 60, lining 70 is loop configuration.Rotation fly net 60 can be fixed on the lining 70, and lining 70 can be fixed on the motor shaft 22.
Each size of rotating fly net 60 is all identical, and the edge of its rotation fly net 60 is positioned at the space on the inclined plane 14 of air inflow portion, and is connected on the motor shaft.
Second embodiment of rotation fly net 60 as shown in Figure 4, each size of rotating fly net 60 is all different, and from the external diameter minimum of the nearest rotation fly net 60 of through hole 13, from the external diameter maximum of through hole 13 rotation fly net 60 farthest.
The 3rd embodiment of rotation fly net 60 as shown in Figure 5, in a plurality of rotation fly nets 60 from farthest rotation fly net 60 of through hole ' have mesh extension 63.The mesh extension 63 that possesses certain area is at the edge of rotation fly net 60, and both bending prolonged formation on the edge of circular plate type mesh portion 61, and wraps the edge of rotation fly net 60.
The 4th embodiment of rotation fly net 60 as shown in Figure 6, the size of a plurality of rotation fly nets 60 is all different, and from the outer peripheral face of through hole 13 rotation fly net 60 farthest, breaks away from the inclined plane 14 of air inflow portion, and be positioned on first plane 15.
In addition, second embodiment of the air inflow A of portion of body 10 is formed by through hole 13, second plane 16, vertical plane 17, first plane 15 as shown in Figure 7.Through hole 13 is communicated with air flow circuit F in a side of body 10.Second plane 16 of annular that certain width is arranged is on the outer peripheral face of through hole 13.There is the vertical plane 17 of the annular of certain width to be connected on second plane 16 also vertical with second plane 16.First plane 15 is connected on the vertical plane 17 and follows at vertical plane 17 vertical.
In second embodiment of the air inflow A of portion of body 10, a plurality of rotation fly net 60 sizes should be all identical, and be combined in separately on the lining 70 that keeps distance between the rotation fly net 60.And rotation fly net 60 should be positioned in vertical plane 17 spaces.
In second embodiment of the air inflow A of portion of body 10, the structure of rotation fly net 60 also can be as shown in Figure 8, in rotation fly net 60, from farthest rotation fly net 60 of through hole 13 ', bigger than other rotation fly net 60.And from farthest rotation fly net 60 of through hole 13 ' have mesh extension 63.The mesh extension 63 that possesses certain area rotation fly net 60 ' the edge both on the edge of circular plate type mesh portion 61 bending prolong and form, and wrap the edge of rotation fly net 60.The rotation fly net 60 ' disengaging vertical plane 17 that possesses mesh extension 63 is positioned at vertical plane 17 outsides both on first plane 15.
An alternative embodiment of the invention is possessing the air inflow A of portion that flows into outside air as shown in Figure 9, and 10 li of the bodies of the air flow circuit F that is communicated with the air inflow A of portion are provided with blowing fan 50 and rotate the motor 20 of blowing fan 50.Multilayer fly net group R all is fixed on the rotating shaft 90 of certain-length by a plurality of rotation fly nets 100,110 that the circular plate type net constitutes, and the air that produces when utilizing blowing fan 50 rotations flows and rotates.Multilayer fly net group R is arranged on the air inflow A of portion simultaneously, and separable foreign matter only is incorporated into air in the air inflow A of portion.And the bearing 120 that can allow multilayer fly net group R rotate is set between the air inflow A of portion of multilayer fly net group R and body 10.
Multilayer fly net group R is made of rotating shaft 90, a plurality of rotation fly net 100,110, lining 70.Rotating shaft 90 has certain length.A plurality of rotation fly nets of forming with the net of circular plate shape 100,110 every certain fixed distance on rotating shaft 90.Lining 120 is in the spacing that keeps between the rotation fly net 100,110 between the rotation fly net 100,110.One or an above fly net 110 in the fly net are by circular plate type mesh portion 111, fixed part 112, roll band portion 113 and constitute.Circular plate type mesh portion 111 is that the net by circular plate shape forms.Fixed part 112 secure bond of 111 central authorities of circular plate type mesh portion are on rotating shaft 90.A plurality of band portions 113 of rolling are to be the center with rotating shaft 90, and the radiation direction is formed in the circular plate type mesh portion 111.Other rotation fly net 100 is circular plate type mesh portions 101 that the net by circular plate shape forms, and in 101 central authorities of circular plate type mesh portion, and the fixed part 102 that is fixed on the rotating shaft 90 constitutes.
The air inflow A of portion of above-mentioned body 10 is formed by through hole 13, second plane 16, vertical plane 17, first plane 15.Through hole 13 is in a side of body 10, and F is communicated with air flow circuit.Have second plane 16 of the annular of certain width be formed on through hole 13 around.The vertical plane 17 that the annular of certain width is arranged is connected on second plane 16 and vertical with second plane 16.First plane 15 is connected on the vertical plane 17 and follows vertical plane 17 vertical.
Below, illustrate that the course of work of the insect protected of supply air system of the present invention and dust guard is as follows.
At first, one embodiment of the present of invention are described.Apply power supply for motor 20 and drive, blowing fan 50 rotates by the driving force of motor 20, therefore is connected rotation fly net 60,60 ' also rotations on the blowing fan 50.
Extraneous air, also passes through air flow circuit F through blowing fan 50 and flows to inner after the air inflow portion through hole 13 and rotation fly net 60,60 ' inflow by body 10 owing to the influence of the pressure differential that is subjected to producing along with the rotation of rotating blowing fan 50.
Meanwhile because rotation fly net 60,60 ' rotation, therefore flow to together with air foreign matters such as the winged insect of air inflow portion through hole 13 or dust bump rotation fly net 60,60 in multilayer ' on outwards ejection go.So rotation fly net 60,60 ' prevent that foreign matter from entering into the inside of air flow circuit F, and can only be by extraneous air.
The revolving force of a plurality of rotation nets 60,60 in such structure ' utilize motor 20 rotates, and the foreign matter that flows into together with air, by the rotation net 60,60 of multilayer ' keep off, therefore can prevent that fully foreign matter from entering into inside.While and a plurality of rotation fly net 60,60 ' rotate keeps off foreign matter, so even low speed rotation can prevent effectively that also foreign matter from entering.The air inflow A of portion of a plurality of rotation nets 60,60 ' inflow outside air is provided with multilayer.
Because multi-level rotation fly net 60,60 ' ejections of being rotated of foreign matter, therefore can prevent foreign matter be deposited in rotation net 60,60 ' on, so can drop to minimum point to the air drag of generation.
An alternative embodiment of the invention is described.Drive blowing fan 50 rotations by the running of motor 20, and extraneous air produces pressure differential when utilizing blowing fan 50 rotations, enter in the air flow circuit F through the air inflow A of portion by body 10 after the multilayer fly net group R.
Meanwhile, multilayer fly net group R is that air that the pressure differential that produces when utilizing blowing fan 50 rotation forms flows and rotates, and therefore flows to foreign matters such as the winged insect of the air inflow A of portion or dust with air together and bumps outwards to eject on multilayer rotation fly net group R and go.Enter into the inside of air flow circuit F so prevent foreign matter.
In such structure, the air that the pressure differential that rotation produced when multilayer fly net group R utilized blowing fan 50 forms flows and rotates, and the foreign matter that flows into air is kept off by a plurality of rotation fly nets 100,110, therefore can prevent that fully foreign matter from entering into inside.And a plurality of rotation fly nets 100,110 prevent that while rotating foreign matter from entering, so even low speed rotation can prevent effectively that also foreign matter from entering into inside.Multilayer fly net group R is provided with a plurality of rotation fly nets 100,110 on the air inflow A of portion that flows into outside air.
And the rotation fly net 100,110 of the multilayer that foreign matter is rotated ejects and goes, and can prevent that therefore foreign matter is deposited on the rotation fly net 100,110, so can drop to minimum point to the air drag that produces.
Claims (1)
1. the insect protected of a supply air system and dust guard include body (10), blowing fan (50), motor (20), and body (10) lining has the air inflow portion (A) that flows into outside air, the air flow circuit (F) that is communicated with air inflow portion (A); Blowing fan (50) is fixed on the motor shaft (22) that is positioned at body (10) lining, and accepts the revolving force of motor (20) and rotate, and is provided with multilayer fly net group (R), bearing (120) in the porch of air inflow portion (A); Multilayer fly net group (R) is to be fixed on the rotating shaft (90) of certain-length by a plurality of fly nets (100,110) that the circular plate type net forms, and utilizes the air that produces when rotating blowing fan (50) to flow and rotate; Multilayer fly net group (R) is arranged on air inflow portion (A) and locates, and segregating foreign objects only is incorporated into air in the air inflow portion; Bearing (120) is arranged between the air inflow portion (A) of multilayer fly net group (R) and body (10), can allow multilayer fly net group (R) rotate, it is characterized in that, multilayer fly net group (R) is made of rotating shaft (90), a plurality of fly net (100,110), lining (70), and rotating shaft (90) has certain length; A plurality of fly nets (100,110) that the net of circular plate shape forms, every certain fixed distance on rotating shaft (90); Lining (70) is positioned at the spacing that keeps between the fly net (100,110) between the fly net (100,110); In the fly net (100,110) one or above fly net are by circular plate type mesh portion (111), fixed part (112), roll band portion (113) and constitute, circular plate type mesh portion (111) is that the net by circular plate shape forms, fixed part (112) secure bond of central authorities of circular plate type mesh portion (111) is on rotating shaft (90), a plurality of band portions (113) of rolling are the center with rotating shaft (90), and the radiation direction is formed in the circular plate type mesh portion (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031297080A CN100343594C (en) | 2003-05-13 | 2003-05-13 | Antiinsects and dustproof device for air blowing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031297080A CN100343594C (en) | 2003-05-13 | 2003-05-13 | Antiinsects and dustproof device for air blowing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1548837A CN1548837A (en) | 2004-11-24 |
| CN100343594C true CN100343594C (en) | 2007-10-17 |
Family
ID=34322392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031297080A Expired - Fee Related CN100343594C (en) | 2003-05-13 | 2003-05-13 | Antiinsects and dustproof device for air blowing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100343594C (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5494006A (en) * | 1995-03-10 | 1996-02-27 | Davis, Jr.; Robert D. | Rotating debris screen for internal combustion engines |
| JP2000161734A (en) * | 1998-11-27 | 2000-06-16 | Topre Corp | Moth-proofing structure of external hood |
| CN2509508Y (en) * | 2001-09-07 | 2002-09-04 | 孙彩瑜 | Protection hood for scavenge port |
| CN1403721A (en) * | 2001-08-31 | 2003-03-19 | Lg电子株式会社 | Fan with dustproof device |
-
2003
- 2003-05-13 CN CNB031297080A patent/CN100343594C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5494006A (en) * | 1995-03-10 | 1996-02-27 | Davis, Jr.; Robert D. | Rotating debris screen for internal combustion engines |
| JP2000161734A (en) * | 1998-11-27 | 2000-06-16 | Topre Corp | Moth-proofing structure of external hood |
| CN1403721A (en) * | 2001-08-31 | 2003-03-19 | Lg电子株式会社 | Fan with dustproof device |
| CN2509508Y (en) * | 2001-09-07 | 2002-09-04 | 孙彩瑜 | Protection hood for scavenge port |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1548837A (en) | 2004-11-24 |
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