CN207513925U - A kind of double water conservancy diversion ring-type fans with bladed air separator - Google Patents
A kind of double water conservancy diversion ring-type fans with bladed air separator Download PDFInfo
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- CN207513925U CN207513925U CN201721423468.7U CN201721423468U CN207513925U CN 207513925 U CN207513925 U CN 207513925U CN 201721423468 U CN201721423468 U CN 201721423468U CN 207513925 U CN207513925 U CN 207513925U
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- fan
- ring
- separator
- inner ring
- conservancy diversion
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Abstract
The utility model discloses a kind of double water conservancy diversion ring-type fans with bladed air separator, by increasing an inner ring and an outer shroud at the blade tip of fan, each serve as the effect of water conservancy diversion and shunting.The central shaft of the inner ring and outer rings is consistent with fan, and inner ring with connecting at the top of each blade with fan by fixing.Diameter, the width of outer shroud are all higher than inner ring, and at the both ends of outer shroud respectively there are one the annulus baffle of identical ring width, the ring width of annulus baffle is equal to the difference of the radius of inner and outer ring.It is connected between inner ring and outer shroud by numerous prismatic blades being spacedly distributed of the circumferential array along ring, prismatic blade is separated out air duct of a size between inner and outer ring, possesses the effect of rectification.The utility model effectively mitigates the flow instabilities in fan by water conservancy diversion, shunting and rectification, improves the job stability of fan.
Description
Technical field
The utility model is related to a kind of automobile fan, more particularly to a kind of band leaf for car engine cooling system
Double water conservancy diversion ring-type fans of chip air separator.
Background technology
Automobile engine can generate a large amount of heat in operation process, increase engine temperature.When the engine long time
Under hot environment, the working characteristics of engine component can be influenced, declines part life;Influence engine lubrication and can
Mixture strength is fired, makes engine job insecurity;The fit clearance of each component of engine is influenced, makes engine operation irregularity.
So automobile engine all employs " water-cooling system ".Namely increase water channel around cylinder, pass through the work of water pump
It is filled on gelled radiator with cooling water is made to be flowed in these water channels, and by these water introducing automotive front end.And " cooling
Fan " is just mounted in the side of radiator, and the device of cooling water temperature is reduced for providing cooling wind.So automobile is sent out
The main function of motivation cooling system is that pressure cooling can be carried out to engine, and guarantee starts function to be in optimum temperature always
It works under degree state, engine is made to obtain higher engine economic performance, power performance, reliable operation performance.And starting
In the course of work of machine cooling system, cooling fan plays a crucial role again.
The operation principle of cooling fan is:Driven by engine cooling fan is with certain rotational speed, in cooling fan
Both sides generate different size of air pressure.Air rapidly flows toward hyperbar face under the action of the air pressure of both sides from low pressure face, is formed
Certain cooling wind.Cooling blows air over the cooling fin on radiator, takes away a part of heat.The continuous running of cooling fan will be true
The temperature for protecting engine will not be excessively high.
The working range of different cooling fans is different, but with the presence of unstable working region.If cooling fan is transported
Turn under these regions, the blade interior of fan extremely unstable flowing will occur, reduce the job stability of cooling fan.
The flow instabilities phenomenon of fan mostly occur it is smaller in air quantity, if fan work long hours it is unstable at these
Region can also cause the problem of many serious.Flow instabilities will cause the active force between air and fan blade to increase, and make wind
The vibration aggravation of fan leaf reduces the working life of fan;The high vibration of fan blade also increases the noise of blade surface,
Reduce performance of the vehicle in terms of noiseproof feature;The unstability of flowing also reduces the pressure difference of fan both sides, reduces fan
Air quantity, influence the working performance of entire engine-cooling system.
Utility model content
The purpose of this utility model is for flow instabilities phenomenon existing for cooling fan, and it is empty to provide a kind of band vane type
Double water conservancy diversion ring-type fans of gas separating device.The fan can reduce the flow instabilities inside fan blade, and it is steady to improve fan work
It is qualitative, promote the working performance of entire engine-cooling system.
Technical solution is used by the utility model:
A kind of double water conservancy diversion ring-type fans with bladed air separator, including with fan hub and fan blade
Fan, further include the identical rear annulus baffle of inside and outside cylindrical shape inner ring and outer rings, several separator prismatic blades, the ring width being nested and
Preceding annulus baffle, the length of the inner ring are less than outer ring length and are coaxially disposed with the fan hub, the fan hub
It is located in the endoporus of inner ring with fan blade and the top of each fan blade is fixedly connected respectively with inner ring inner wall, the separator
Prismatic blade is connected between inner ring and outer rings with being uniformly distributed circumferentially, and the rear annulus baffle and preceding annulus baffle are fixed respectively
It is at the peristoma of outer shroud rear end and front end and vertical with the axis of outer shroud, it is described after annulus baffle and preceding annulus baffle internal diameter with
The outer diameter of inner ring matches, and the internal diameter of outer diameter and outer shroud matches, and the inner ring front and back end is respectively with preceding annulus baffle and round afterwards
The separator outlet of annular and separator import are formed between ring baffle, between the inner ring and outer rings by separator prismatic blade every
The air duct identical from several sizes are formed, plays the role of rectification.
Preferably, the distance between the outer shroud and inner ring are directlyed proportional to the diameter of fan.Because the air quantity of fan is with fan
The increase of diameter and increase, in order to which separator is made to pass through the flow circuit flow of bigger, need to increase the distance of inside and outside interannular.
Preferably, projection and inner ring projection on axis of the fan blade on axis are along close to rear annulus
Baffle direction mutually staggers distance H.Blade is made to stretch into separator import a certain distance H to be conducive to improve flow circuit flow.
Preferably, the tangent line angle β that each separator prismatic blade place plane is correspondingly connected with place with the inner ring is equal
It is 900。
Preferably, the tangent line angle β that each separator prismatic blade place plane is correspondingly connected with place with the inner ring is equal
It is 600~800, be conducive to destroy the vortex ring structure on flow circuit meridian plane, reduce the unstability of flow circuit.
Preferably, the inclined direction of plane is identical with the direction of rotation of fan where each separator prismatic blade.Phase
Same direction can increase the interaction force between separator prismatic blade and flow circuit, improve the effect of rectification.
Preferably, the distance H and the width ratio of separator import are 1/3 ~ 2/3, are conducive to provide larger flowing and follow
Circulation.
Preferably, the quantity of the separator prismatic blade is directly proportional to the diameter of fan.It can make different-diameter fan in this way
Separator prismatic blade spacing it is suitable, stable rectification effect is provided.
Compared with prior art, the beneficial effects of the utility model are:
The utility model can reduce the flow instabilities inside cooling fan blade, expand the steady operation model of cooling fan
It encloses.By the guide functions of inner ring, reduce the flowing leakage that air flows through fan leaf top gap location, the total blast volume of fan is done
Contribution is gone out.Across fan air some can enter separator from the entrance of separator, flow through the sky in separator
Flowed out after gas channel from the outlet of separator, the air-flow with blowing to fan converge after again by fan, therefore air is detaching
Flow circuit is formed between device and fan blade, when air can mitigate the unstable existing of flowing after the rectified action of flow circuit
As improving the job stability of fan.
Description of the drawings
The utility model is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is typical modern vehicle engine-cooling system schematic diagram.
Fig. 2 is double water conservancy diversion annular fan structure diagrams with bladed air separator of the utility model embodiment.
Fig. 3 is the half sectional view of double water conservancy diversion ring-type fan front views of the utility model embodiment.
Fig. 4 is the half sectional view of double water conservancy diversion ring-type fan vertical views of the utility model embodiment.
Fig. 5 is the operation principle schematic diagram of double water conservancy diversion ring-type fans of the utility model embodiment.
In figure:1- outer shrouds, annulus baffle after 2-, annulus baffle before 3-, 4- inner ring, 5- fan hubs, 6- fan blade, 7-
Separator prismatic blade, 8- air ducts, 9- separator imports, 10- separator outlets, 11- flow circuits, 12- condensers, 13-
Charge air cooler, 14- radiators, 15- cooling fans, 16- engines, 17. cooling air-flows.
Specific embodiment
The utility model is described further below by the drawings and specific embodiments.
Shown in Fig. 1, condenser 12, charge air cooler 13 and the radiator 14 of conventional car engine cooling system are pacified successively
Mounted in the front end of cooling fan 15, cooling fan 15 is mounted on the housing of engine 16.Engine 16 is used in cylinder water channel
Circulating water, in water channel be heated water introduce radiator 14, by being again returned in water channel after air cooling.Work as engine
During 16 operating, water pump rotates with, and improves the pressure of coolant, promotes coolant forced circulation.The coolant of cycle is taken away
The heat of the parts such as 16 cylinder body of engine, cylinder sleeve, cylinder cap;When coolant temperature is not up to the opening temperature of engine thermostat
When, coolant directly will not enter cylinder body by radiator 14 from water pump, avoid the unnecessary cooling of coolant.Work as cooling
Liquid temperature reaches the opening temperature of engine thermostat, and thermostat acts, and coolant will pass through thermostat to flow into radiator
Hydroecium in 14.Air enters automobile engine nacelle from automobile grille, forms air-flow 17.17 priority of air-flow passes through 12 He of condenser
Charge air cooler 13 obtains enough coolings.Engine 16 drives cooling fan 15 to be rotated with certain rotating speed, the two of cooling fan
Side generates different size of air pressure.The air-flow 17 of cooling rapidly flows toward engine under the action of the air pressure of both sides from 14 side of radiator
Side forms certain cooling wind.Cooling blows air over the cooling fin on radiator 14, takes away a part of heat.Temperature has declined
Coolant, flow back to the hydroecium of radiator 14, be pumped into cylinder body again through water pump and participate in cooling cycle again.Cooling fan 15 is in stabilization
Working condition under continuous running, will ensure that engine-cooling system long-time normal work, keep the temperature of engine
In proper range.
The present embodiment is by being improved cooling fan 15, to reduce the flow instabilities inside fan blade, improves
Fan work stability promotes the working performance of entire engine-cooling system.
As described in Fig. 2 and Fig. 3, a kind of double water conservancy diversion ring-type fans with bladed air separator, including with fan wheel
The fan of hub 5 and fan blade 6 further includes the inside and outside cylindrical shape inner ring 4 being nested and outer shroud 1, several separator prismatic blades 7, ring
Wide identical rear annulus baffle 2 and preceding annulus baffle 3, the length of the inner ring 4 be less than 1 length of outer shroud and with the fan wheel
Hub 5 is coaxially disposed, and the fan hub 5 and fan blade 6 are located in the endoporus of inner ring 4 and the top of each fan blade 6 is distinguished
It being fixedly connected with 4 inner wall of inner ring, the separator prismatic blade 7 is connected between inner ring 4 and outer shroud 1 with being uniformly distributed circumferentially,
Wherein, each 7 place plane of the separator prismatic blade and the tangent line angle β at the inner ring place of being correspondingly connected with are 900Namely
The 7 place plane of separator prismatic blade is consistent with the 4 corresponding radial direction of inner ring.
Annulus baffle 2 and preceding annulus baffle 3 is separately fixed at the peristoma of 1 rear end of outer shroud and front end and and outer shroud after described
1 axis is vertical, and the internal diameter and the outer diameter of inner ring 4 of the rear annulus baffle 2 and preceding annulus baffle 3 match, outer diameter and outer shroud 1
Internal diameter match, 4 front and back end of inner ring formed between preceding annulus baffle 3 and rear annulus baffle 2 respectively annular separation
Device outlet 10 and separator import 9 form several sizes, shape between the inner ring 4 and outer shroud 1 by the isolation of separator prismatic blade 7
The identical air duct 8 of shape, plays the role of rectification.
Wherein, the radial distance W between the outer shroud 1 and inner ring 4 is directlyed proportional to the diameter of fan.It is namely straight when fan
When diameter is larger, the radial distance W between the outer shroud 1 and inner ring 4 is smooth so as to ensure to divulge information also with increase.The separation
The quantity of device prismatic blade 7 is directly proportional to the diameter of fan namely the diameter of fan is bigger, the quantity of the separator prismatic blade 7
Increase therewith, the purpose is to make the separator prismatic blade spacing of different-diameter fan suitable, provide stable rectification effect.
As shown in figure 3, in one feasible embodiment of the utility model, projection of the fan blade 6 on axis
With projection of the inner ring 4 on axis distance H is mutually staggered along close to rear 2 direction of annulus baffle.Namely in the axial direction,
The fan blade 6 than with inner ring 4 closer to rear annulus baffle 2 namely fan blade 6 and rear annulus baffle 2 distance than
The distance of inner ring 4 and rear annulus baffle 2 lacks H, the purpose is to blade is made to stretch into 9 a certain distance H of separator import provide compared with
Big flow circuit flow.The distance H and the width ratio of separator import 9 are 1/3 ~ 2/3.
As described in Figure 4, in the utility model in another feasible embodiment, where each separator prismatic blade 7
Plane and the tangent line angle β at 4 place of being correspondingly connected with of inner ring are 600~800.Each 7 place plane of the separator prismatic blade
Inclined direction it is identical with the direction of rotation of fan.The change of 8 shape of air duct can influence the shunting of separator, rectification effect
Fruit, the present embodiment is by changing angle and inclined direction, so as to be destroyed on 11 meridian plane of flow circuit conducive to separator prismatic blade
Vortex ring structure, reduce flow circuit 11 unstability.
Can by rationally design separator prismatic blade 7 quantity and angle beta, radial distance W, distance H and separator into
Performance of the width than separator can be optimized of mouth 9.
Described in Fig. 5, the operation principle and process of above-described embodiment are as follows:
Entered by automobile grille, successively blow to wind across the cooling air-flow 17 of condenser 12, charge air cooler 13 and radiator 14
Fan.The hollow position of cooling air-flow 17 from preceding annulus baffle 3 enters fan, then passes around fan hub 5 from the gap of fan blade 6
Across fan, at this time under the action of preceding annulus baffle 3, cooling air-flow 17 can avoid separator outlet 10.After fan
Cooling air-flow 17 possesses certain radial velocity, and air is made to flow outward, and a portion air enters via separator import 9
It is flowed out again from separator outlet 10 after air duct 8.From the air that separator outlet 10 comes out and the cooling from radiator 14
Air-flow 17 converges, and again passes through fan and forms flow circuit 11.The presence of flow circuit 11 can reduce the shakiness inside fan
Constant current is moved, and expands the stable operation range of cooling fan.
Above-described embodiment of the utility model is only intended to clearly illustrate the utility model example, and is not
Restriction to the embodiment of the utility model.For those of ordinary skill in the art, on the basis of above description
On can also make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.
All any modification, equivalent and improvement made within the spirit and principles of the present invention etc., should be included in this reality
Within novel scope of the claims.
Claims (8)
1. a kind of double water conservancy diversion ring-type fans with bladed air separator, including with fan hub(5)And fan blade
(6)Fan, it is characterised in that:Further include the inside and outside cylindrical shape inner ring being nested(4)And outer shroud(1), several separator prismatic blades
(7), the identical rear annulus baffle of ring width(2)With preceding annulus baffle(3), the inner ring(4)Length be less than outer shroud(1)Length and
With the fan hub(5)Coaxial arrangement, the fan hub(5)And fan blade(6)Positioned at inner ring(4)Endoporus in and
Each fan blade(6)Top respectively with inner ring(4)Inner wall is fixedly connected, the separator prismatic blade(7)Circumferentially uniformly divide
It is connected to inner ring to cloth(4)And outer shroud(1)Between, the rear annulus baffle(2)With preceding annulus baffle(3)It is separately fixed at outer shroud
(1)At the peristoma of rear end and front end and and outer shroud(1)Axis it is vertical, it is described after annulus baffle(2)With preceding annulus baffle(3)'s
Internal diameter and inner ring(4)Outer diameter match, outer diameter and outer shroud(1)Internal diameter match, the inner ring(4)Front and back end respectively with it is preceding
Annulus baffle(3)With rear annulus baffle(2)Between formed annular separator outlet(10)With separator import(9), it is described interior
Ring(4)And outer shroud(1)Between by separator prismatic blade(7)Isolation forms the identical air duct 8 of several sizes.
2. double water conservancy diversion ring-type fans according to claim 1 with bladed air separator, it is characterised in that:It is described outer
Ring(1)With inner ring(4)Between radial distance it is directly proportional to the diameter of fan.
3. double water conservancy diversion ring-type fans according to claim 1 with bladed air separator, it is characterised in that:The wind
Fan leaf(6)Projection and the inner ring on axis(4)Projection on axis is along close to rear annulus baffle(2)Direction is mutual
The distance that is staggered H.
4. double water conservancy diversion ring-type fans according to claim 1 with bladed air separator, it is characterised in that:Each institute
State separator prismatic blade(7)Place plane and the tangent line angle β at the inner ring place of being correspondingly connected with are 900。
5. double water conservancy diversion ring-type fans according to claim 1 with bladed air separator, it is characterised in that:Each institute
State separator prismatic blade(7)Place plane and the tangent line angle β at the inner ring place of being correspondingly connected with are 600~800。
6. double water conservancy diversion ring-type fans according to claim 5 with bladed air separator, it is characterised in that:Each institute
State separator prismatic blade(7)The inclined direction of place plane is identical with the direction of rotation of fan.
7. double water conservancy diversion ring-type fans according to claim 3 with bladed air separator, it is characterised in that:It is described away from
From H and separator import(9)Width ratio be 1/3 ~ 2/3.
8. double water conservancy diversion ring-type fans according to claim 1 with bladed air separator, it is characterised in that:Described point
From device prismatic blade(7)Quantity it is directly proportional to the diameter of fan.
Priority Applications (1)
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CN201721423468.7U CN207513925U (en) | 2017-10-31 | 2017-10-31 | A kind of double water conservancy diversion ring-type fans with bladed air separator |
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CN201721423468.7U CN207513925U (en) | 2017-10-31 | 2017-10-31 | A kind of double water conservancy diversion ring-type fans with bladed air separator |
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CN201721423468.7U Expired - Fee Related CN207513925U (en) | 2017-10-31 | 2017-10-31 | A kind of double water conservancy diversion ring-type fans with bladed air separator |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107676299A (en) * | 2017-10-31 | 2018-02-09 | 华南理工大学 | A kind of double water conservancy diversion ring-type fans with bladed air separator |
CN110005516A (en) * | 2018-12-07 | 2019-07-12 | 苏州睿昕汽车配件有限公司 | A kind of water conservancy diversion cooling system being made of ring-type fan and shield solar or lunar halo |
-
2017
- 2017-10-31 CN CN201721423468.7U patent/CN207513925U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107676299A (en) * | 2017-10-31 | 2018-02-09 | 华南理工大学 | A kind of double water conservancy diversion ring-type fans with bladed air separator |
CN110005516A (en) * | 2018-12-07 | 2019-07-12 | 苏州睿昕汽车配件有限公司 | A kind of water conservancy diversion cooling system being made of ring-type fan and shield solar or lunar halo |
CN110005516B (en) * | 2018-12-07 | 2024-02-23 | 苏州睿昕汽车配件有限公司 | Diversion cooling system composed of annular fan and air protection ring |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180619 Termination date: 20191031 |
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CF01 | Termination of patent right due to non-payment of annual fee |