CN207510715U - A kind of cross flow fan swing device - Google Patents
A kind of cross flow fan swing device Download PDFInfo
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- CN207510715U CN207510715U CN201721559248.7U CN201721559248U CN207510715U CN 207510715 U CN207510715 U CN 207510715U CN 201721559248 U CN201721559248 U CN 201721559248U CN 207510715 U CN207510715 U CN 207510715U
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- cross flow
- fan
- flow fan
- wing segment
- steering engine
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- 239000004744 fabric Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 7
- 241000883990 Flabellum Species 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 241001075561 Fioria Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 238000004088 simulation Methods 0.000 description 1
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Abstract
A kind of cross flow fan swing device, including several section fan wing segments and cross flow fan, each cross flow fan includes cross flow fan ontology and manipulation device；If each cross flow fan ontology includes end plate, dry plate fan blade and eccentric eddy chamber；Manipulation device is located at the eccentric eddy intracavitary in each cross flow fan ontology, and manipulation device includes steering engine and rudder face body；Steering engine is located at rudder face body both sides, and each steering engine includes waling stripe, and waling stripe one end is fixedly connected with steering engine, and the waling stripe other end is pierced by from end plate to be connected afterwards with fan wing segment；Rudder face body can move up and down and rotate in eccentric eddy intracavitary under the driving of steering engine.The utility model, which can decouple, manipulates the lift of the cross flow fan wing or thrust size.When central axis of the manipulation device towards cross flow fan ontology is moved, thrust increases and lift is basically unchanged.When rudder face body rotates namely changes the angle of attack, lift will increase with the angle of attack and be reduced, and thrust is basically unchanged.
Description
Technical field
The utility model is related to General Aviation device, particularly a kind of cross flow fan swing device.
Background technology
The cross flow fan wing is a kind of device of novel generation aerodynamic lift, it generates whirlpool using the preposition rotary fan of aerofoil profile
Lift and thrust are flown, and are had many advantages, such as that low-speed performance is good, load is big and High Angle of Attack not stall, are shut down by domestic and international phase
Structure and the concern of researcher.
The fan wing generates lift and is made of two parts：A part is the wing latter half upper and lower surface when fan rotates
Flow velocity it is different, cause the pressure differential of wing upper and lower surface, form the lift of wing.When another part is because of fan rotation,
A very strong eccentric whirlpool is generated inside fan, causes stronger eccentric whirlpool low-pressure area so that wing first half cyclotomy
The upper and lower surface of arc area generates larger pressure differential, forms larger portion of airfoil lift, i.e. vortex lift.The fan wing flies
Device comes out soon, research work still in exploring the starting stage, it is external seldom deliver about the newest achievement in research of the fan wing and
Its development of projects.The cross flow fan wing is had been applied on aircraft at present, but is mainly used on fixed wing aircraft, and rotor flies
It is also seldom on row device.
Disclosed in 30 days April in 2014 application No. is 201410012991.5 Chinese utility model patent, it is practical new
Entitled " a kind of lift rotor " that type is created.The patent application was submitted for my school on January 13rd, 2014, passed through one
Transmission shaft drives the rotation of cross flow fan leaf, and transmission shaft runs through cross flow fan.
I has found in school in subsequent multiple simulation test procedure, above-mentioned " a kind of big for high speed rotation is kept to transmit torque
The structure design of lifting rotor ", there is following defects：
1. intermediate rotary shaft is also transmission shaft, deformation is easily generated after torsion pass is too long so that rotating speed can be generated after increasing compared with
Big noise and vibration.
2. when flabellum rotates, since transmission shaft is in flabellum inside center, the eccentric whirlpool generated to flabellum inside causes
It influences so that lift reduces, and reduces pneumatic efficiency.
3. the cross flow fan wing blade used at present is arranged parallel to around transmission shaft surrounding, there is blade to turn every time
Enter in circular arc to concave station rear end and go to concave station front end blade and leave circular arc at that moment, wave can all occur in fan wing lift
It is dynamic, and in cyclically-varying, not only value of lift is brought to fluctuate, but also bring the vibration of whole device, it is normal to be unfavorable for aircraft
Work uses.
4. the fan wing is applied when on wing or rotor, since wing or rotor are acted on from root to tip lift into moment of flexure
And be deformed, transmission shaft also and then deformation rotation, fan blade deformation and other component interferences etc. can all cause it is very big not
Profit influences.
5. the fan wing is applied in wing, lift and thrust cannot decouple, it is impossible to lift or thrust size are individually adjusted, from
And effect of the manipulation is influenced, increase operating difficulty.
Utility model content
The technical problems to be solved in the utility model is in view of the above shortcomings of the prior art, and to provide a kind of cross-flow type wind
Swing device is fanned, the eccentric whirlpool which will not generate flabellum inside impact, and lift is big and can be with
Lift and thrust are adjusted respectively, that is, decouple cross flow fan wing lift and thrust.Further, moreover it is possible to reduce the gas of the cross flow fan wing
The fluctuation and vibration of power value improve pneumatic efficiency.
In order to solve the above technical problems, the technical solution adopted in the utility model is：
A kind of cross flow fan swing device, including it is several save the fan wing segment that is serially connected and with fan wing segment mathematics
Equal cross flow fan, two adjacent sections fan wing segment are fixedly connected with.
Often section fan wing segment includes support plate, has aerodynamic upper and lower surface, often saves the fan wing
The forepart of segment is respectively formed leading edge, and the rear portion for often saving fan wing segment is respectively formed rear.
It is both provided with circular arc concave station, each circular arc concave station along its length positioned at up-front often section fan wing segment upper surface
One cross flow fan of interior setting.
Each cross flow fan includes cross flow fan ontology, fan drive device and manipulation device.
If each cross flow fan ontology includes two end plates, dry plate fan blade and eccentric eddy chamber；Fan blade edge
End plate is circumferentially uniformly distributed between two end plates, and the cavity being enclosed between fan blade and end plate is eccentric eddy chamber；
The center of every piece of end plate is both provided with central through hole.
Fan drive device is arranged on the outside of cross flow fan ontology, for driving the rotation of cross flow fan ontology.
Manipulation device is arranged on the eccentric eddy intracavitary in each cross flow fan ontology, and manipulation device includes steering engine and rudder face
Body；Steering engine is arranged on rudder face body both sides, and each steering engine includes waling stripe, and one end of waling stripe is fixedly connected with steering engine,
The other end of waling stripe is connected after the central through hole of end plate is pierced by, and with fan wing segment；Wherein, end plate connects with horizontal
Bar is rotatablely connected.
Rudder face body can move up and down and rotate in eccentric eddy intracavitary under the driving of steering engine.
Rudder face body is wing body or arc body or cylinder or crescent moon body.
Every fan blade is arranged in torsion shape between two end plates, and each fan blade is mutually parallel.
Every sector is respectively provided with hollow cavity.
Assuming that the quantity of sector is n in each cross flow fan, then the windup-degree of every sector is 0 ° ~ 7*
360°/n。
Leading edge is arc-shaped or rectification aerofoil profile.
It is inclined-plane positioned at the often section fan wing segment upper surface of rear, it is empty that receiving is both provided between inclined-plane and lower surface
Chamber；Fan drive device is arranged in accommodating cavity.
Positioned at rear often section fan wing segment upper surface be straight inclined-plane or with crooked radian curve slope, following table
Face is straight plane or more arcwall faces with crooked radian.
It opens up and has the gap on each inclined-plane, form trailing edge slat.
Each cross flow fan ontology is monolithic construction.
The utility model with the above structure, has the advantages that：
1. above-mentioned manipulation device is arranged on the inside of cross flow fan ontology, and is not rotated with cross flow fan ontology, therefore
And it can decouple and manipulate the lift of the cross flow fan wing or thrust size.When the central shaft by manipulation device towards cross flow fan ontology
When line moves, thrust increases and lift is basically unchanged.When rotating namely changing the angle of attack rudder face body in manipulation device, rise
Power will increase with the angle of attack and be reduced, and thrust is basically unchanged.
2. said fans blade twist is set, the fluctuation and vibration of the pneumatic force value of the cross flow fan wing can be reduced, carried
High pneumatic efficiency.
3. optimizing fan swing device internal structure, whole assembling efficiency is improved.
Description of the drawings
Fig. 1 is a kind of dimensional structure diagram of cross flow fan swing device of the utility model.
Fig. 2 shows the dimensional structure diagram of cross flow fan ontology.
Fig. 3 shows the dimensional structure diagram of fan wing segment.
Fig. 4 shows schematic view of the mounting position of the rudder face body on end plate.
Fig. 5 shows the dimensional structure diagram of manipulation device.
Fig. 6 shows that thrust adjusts schematic diagram, and wherein arrow represents the moving direction of rudder face body.
Fig. 7 shows rudder face body into the central axis moving process of cross flow fan ontology, eccentric eddy schematic diagram.
Fig. 8 shows that lift adjusts schematic diagram, and wherein arrow represents the rotation direction of rudder face body.
During Fig. 9 shows rudder face body change in angle of attack, eccentric eddy schematic diagram.
Wherein have：
10. fan wing segment；
11. support plate；12. circular arc concave station；13. inclined-plane；
20. cross flow fan；
21. end plate；211. central through hole；22. fan blade；
30. manipulation device；
31. steering engine；311. waling stripe；312. the vertical chute；313. Universal linking lever；
32. rudder face body；321. shaft；322. fixed column.
Specific embodiment
The utility model is described in further detail with specific better embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of cross flow fan swing device, the fan wing segment 10 being serially connected and and wind are saved including several
The equal cross flow fan 20 of wing segment mathematics is fanned, two adjacent sections fan wing segment is fixedly connected with.
As shown in figure 3, often section fan wing segment includes support plate 11, has aerodynamic upper surface and following table
Face, the forepart for often saving fan wing segment are respectively formed leading edge, and the rear portion for often saving fan wing segment is respectively formed rear.
Support plate 11 is preferably provided at every end face for saving fan wing segment or two end faces, when support plate is arranged on often
When saving an end face of fan wing segment, as shown in figure 3, two adjacent sections fan wing segment shares a support plate.
When support plate is arranged on two end faces of every section fan wing segment, often saving fan wing segment can individually process,
Easy to disassemble, two pieces of adjacent support plates are fixed and connected by the modes such as two adjacent sections fan wing segment is bolted or welds
It connects.
Leading edge is preferably arc-shaped or rectification aerofoil profile etc..
It is both provided with circular arc concave station 12 along its length positioned at up-front often section fan wing segment upper surface.
Inclined-plane is both preferably positioned at the often section fan wing segment upper surface of rear, further preferably straight inclined-plane or with curved
Curve slope of bent radian etc..Lower surface is straight plane or more arcwall faces with crooked radian.
Accommodating cavity is preferably provided between inclined-plane and lower surface.
It preferably opens up and has the gap on each above-mentioned inclined-plane, trailing edge slat can be formed.
One cross flow fan of setting in each circular arc concave station.
Each cross flow fan includes cross flow fan ontology, fan drive device and manipulation device 30.
Each cross flow fan ontology is both preferably monolithic construction, can be used as fixed wing, or rotor blades
Make lift unit.In addition, intensity and vibration and noise reducing are also strengthened.
As shown in Fig. 2, if each cross flow fan ontology includes two end plates 21, dry plate fan blade 22 and eccentric eddy
Chamber.
Fan blade is circumferentially uniformly distributed between two end plates along end plate, is enclosed between fan blade and end plate
Cavity is eccentric eddy chamber；The center of every piece of end plate is both provided with central through hole 211.
Every fan blade is preferably arranged in torsion shape between two end plates, and each fan blade is mutually parallel.
Every sector preferably has hollow cavity, the further preferably hollow cavity with aerofoil profile, so as to
Enough there is enough rigidity and intensity to support itself aerodynamic force and transmit the driving torque of cross flow fan ontology.
Assuming that the quantity of sector is n in each cross flow fan, then the windup-degree of every sector be preferably 0 ° ~
7*360°/n。
Said fans blade twist is set, and can reduce the fluctuation and vibration of the pneumatic force value of the cross flow fan wing, is improved
Pneumatic efficiency.
Fan drive device is arranged on the outside of cross flow fan ontology, for driving the rotation of cross flow fan ontology.Fan
Driving device is preferably provided in the accommodating cavity formed between inclined-plane and lower surface.Fan drive device is the prior art, such as
Pulley drive or gear auxiliary driving etc..
By adjusting gear size or belt pulley size in transmission shaft or shaft, to adjust each cross flow fan ontology
Rotating speed, so as to make the cross flow fan ontology being located on different fan wing segments that there is different rotating speeds.
Manipulation device is arranged on the eccentric eddy intracavitary in each cross flow fan ontology, as shown in Fig. 1, Fig. 4 and Fig. 6, behaviour
The upper middle side of end plate is preferably provided at as device.
As shown in figure 5, manipulation device includes steering engine 31 and rudder face body 32.
Above-mentioned rudder face body is preferably wing body or arc body or cylinder or crescent moon body etc..
The two side ends of rudder face body are preferably provided with shaft 321 and fixed column 322, and fixed column is preferably symmetricly set on shaft
Both sides.
Steering engine is preferably provided at rudder face body both sides, and each steering engine includes waling stripe 311, the vertical chute 312 and universal
Connecting rod 313.
One end of waling stripe is fixedly connected with steering engine, the other end of waling stripe after the central through hole of end plate is pierced by,
And it is connected with fan wing segment.Wherein, it is rotatablely connected between end plate and waling stripe, between waling stripe and fan wing segment
Preferably it is detachably connected.
Shaft is located in the vertical chute, and can slide up and down along the vertical chute.It is mutually cut with scissors with fixed column one end of Universal linking lever
It connects, the other end and the steering engine of Universal linking lever are hinged.
Rudder face body can move up and down and rotate in eccentric eddy intracavitary under the driving of steering engine.
As shown in Figure 6 and Figure 7, in rated speed, manipulation device position moves downward namely towards cross flow fan ontology
Central axis movement when, thrust increase and lift is basically unchanged.
As shown in Figure 8 and Figure 9, in rated speed, when rudder face body rotates namely changes the angle of attack, lift will increase with the angle of attack
Add and reduce, thrust is basically unchanged.
The preferred embodiment of the utility model described in detail above, still, the utility model are not limited to above-mentioned reality
Apply the detail in mode, in the range of the technology design of the utility model, can to the technical solution of the utility model into
The a variety of equivalents of row, these equivalents belong to the scope of protection of the utility model.
Claims (10)
1. a kind of cross flow fan swing device, it is characterised in that：The fan wing segment being serially connected and and fan are saved including several
The equal cross flow fan of wing segment mathematics, two adjacent sections fan wing segment are fixedly connected with；
Often section fan wing segment includes support plate, has aerodynamic upper and lower surface, often saves fan wing segment
Forepart be respectively formed leading edge, the rear portion for often saving fan wing segment is respectively formed rear；
It is both provided with circular arc concave station along its length positioned at up-front often section fan wing segment upper surface, is set in each circular arc concave station
Put a cross flow fan；
Each cross flow fan includes cross flow fan ontology, fan drive device and manipulation device；
If each cross flow fan ontology includes two end plates, dry plate fan blade and eccentric eddy chamber；Fan blade is along end plate
Circumferential uniformly distributed between two end plates, the cavity being enclosed between fan blade and end plate is eccentric eddy chamber；Every piece
The center of end plate is both provided with central through hole；
Fan drive device is arranged on the outside of cross flow fan ontology, for driving the rotation of cross flow fan ontology；
Manipulation device is arranged on the eccentric eddy intracavitary in each cross flow fan ontology, and manipulation device includes steering engine and rudder face body；
Steering engine is arranged on rudder face body both sides, and each steering engine includes waling stripe, and one end of waling stripe is fixedly connected with steering engine, horizontal
The other end of connecting rod is connected after the central through hole of end plate is pierced by, and with fan wing segment；Wherein, end plate turns with waling stripe
Dynamic connection；
Rudder face body can move up and down and rotate in eccentric eddy intracavitary under the driving of steering engine.
2. cross flow fan swing device according to claim 1, it is characterised in that：Rudder face body for wing body or arc body or
Cylinder or crescent moon body.
3. cross flow fan swing device according to claim 1, it is characterised in that：Every fan blade is in torsion shape cloth
It puts between two end plates, each fan blade is mutually parallel.
4. cross flow fan swing device according to claim 3, it is characterised in that：Every sector is respectively provided with hollow cavity
Body.
5. cross flow fan swing device according to claim 3, it is characterised in that：Assuming that fan-shaped leaf in each cross flow fan
The quantity of piece is n, then the windup-degree of every sector is 0 ° ~ 7*360 °/n.
6. cross flow fan swing device according to claim 1, it is characterised in that：Leading edge is arc-shaped or rectification aerofoil profile.
7. cross flow fan swing device according to claim 1, it is characterised in that：Positioned at the often section fan wing segment of rear
Upper surface is inclined-plane, and accommodating cavity is both provided between inclined-plane and lower surface；Fan drive device is arranged in accommodating cavity.
8. cross flow fan swing device according to claim 7, it is characterised in that：Positioned at the often section fan wing segment of rear
Upper surface is straight inclined-plane or the curve slope with crooked radian, and lower surface is straight plane or the multi sphere shape with crooked radian
Face.
9. cross flow fan swing device according to claim 7, it is characterised in that：It opens up and has the gap on each inclined-plane,
Form trailing edge slat.
10. cross flow fan swing device according to claim 1, it is characterised in that：Each cross flow fan ontology is whole
Body formula structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721559248.7U CN207510715U (en) | 2017-11-21 | 2017-11-21 | A kind of cross flow fan swing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721559248.7U CN207510715U (en) | 2017-11-21 | 2017-11-21 | A kind of cross flow fan swing device |
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| Publication Number | Publication Date |
|---|---|
| CN207510715U true CN207510715U (en) | 2018-06-19 |
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ID=62540278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721559248.7U Expired - Fee Related CN207510715U (en) | 2017-11-21 | 2017-11-21 | A kind of cross flow fan swing device |
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| Country | Link |
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| CN (1) | CN207510715U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107826245A (en) * | 2017-11-21 | 2018-03-23 | 南京航空航天大学 | A kind of cross flow fan swing device |
| CN108860599A (en) * | 2018-06-19 | 2018-11-23 | 温和 | A kind of roller fan wing |
| CN110182342A (en) * | 2019-06-24 | 2019-08-30 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of deep sea fan wing submariner device |
-
2017
- 2017-11-21 CN CN201721559248.7U patent/CN207510715U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107826245A (en) * | 2017-11-21 | 2018-03-23 | 南京航空航天大学 | A kind of cross flow fan swing device |
| CN107826245B (en) * | 2017-11-21 | 2023-12-05 | 南京航空航天大学 | Cross-flow fan blade device |
| CN108860599A (en) * | 2018-06-19 | 2018-11-23 | 温和 | A kind of roller fan wing |
| CN110182342A (en) * | 2019-06-24 | 2019-08-30 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of deep sea fan wing submariner device |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180619 Termination date: 20211121 |
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| CF01 | Termination of patent right due to non-payment of annual fee |