CN206141830U - Screw, power suit and unmanned vehicles - Google Patents
Screw, power suit and unmanned vehicles Download PDFInfo
- Publication number
- CN206141830U CN206141830U CN201621195086.9U CN201621195086U CN206141830U CN 206141830 U CN206141830 U CN 206141830U CN 201621195086 U CN201621195086 U CN 201621195086U CN 206141830 U CN206141830 U CN 206141830U
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- screw
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- gyration
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- 230000001815 facial effect Effects 0.000 claims 1
- 241000209094 Oryza Species 0.000 description 3
- 235000007164 Oryza sativa Nutrition 0.000 description 3
- VIKNJXKGJWUCNN-XGXHKTLJSA-N norethisterone Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 VIKNJXKGJWUCNN-XGXHKTLJSA-N 0.000 description 3
- 235000009566 rice Nutrition 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/46—Blades
- B64C27/467—Aerodynamic features
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/46—Blades
- B64C27/473—Constructional features
- B64C27/48—Root attachment to rotor head
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Wind Motors (AREA)
- Toys (AREA)
Abstract
The utility model provides a screw, it includes the paddle distance on the paddle the centre of turning circle's of screw distance does the slewing radius's of screw 50% department, the angle of attack of paddle is 13.68 2.5 degrees, distance on the paddle the centre of turning circle's of screw distance does the slewing radius's of screw 65.79% department, the angle of attack of paddle is 11.11 2.5 degrees, distance on the paddle the centre of turning circle's of screw distance does the slewing radius's of screw 81.58% department, the angle of attack of paddle is 8.98 2.5 degrees. The utility model provides an adopt the power suit and the unmanned vehicles of above -mentioned screw.
Description
Technical field
The utility model is related to a kind of screw, the suit of the power with the screw and with power suit
Aircraft.
Background technology
Screw on unmanned vehicle for unmanned vehicle key element, the screw be used for by it is described nobody fly
The rotation of rotating shaft in the motor or engine of row device is converted into motive force, so as to provide the dynamic of flight for the unmanned vehicle
Power.Screw of the prior art is due to the restriction of appearance profile and structure, and its operating efficiency is relatively low, operationally cannot meet
The demand of expected motive force.
Utility model content
In view of this, it is necessary to provide one kind can reduce resistance, improve efficiency, increase unmanned vehicle after boat distance
And improve the screw of the flying quality of unmanned vehicle, there is a need to provide a kind of suit of the power with the screw and
Unmanned vehicle.
A kind of screw, it includes blade, and the distance of the centre of gyration on the blade away from the screw is described
At the 50% of the radius of gyration of screw, the angle of attack of the blade is 13.68 ± 2.5 degree；Away from the spiral on the blade
The distance of the centre of gyration of oar is at the 65.79% of the radius of gyration of the screw, the angle of attack of the blade is 11.11 ±
2.5 degree；The distance of the centre of gyration on the blade away from the screw is the 81.58% of the radius of gyration of the screw
Place, the angle of attack of the blade is 8.98 ± 2.5 degree.
Further, the distance of the centre of gyration on the blade away from the screw is the revolution half of the screw
At the 18.42% of footpath, the angle of attack of the blade is 20.11 ± 2.5 degree；
And/or, the distance of the centre of gyration on the blade away from the screw is the radius of gyration of the screw
34.21% at, the angle of attack of the blade is 17.57 ± 2.5 degree；
And/or, the distance of the centre of gyration on the blade away from the screw is the radius of gyration of the screw
97.37% at, the angle of attack of the blade is 7.57 ± 2.5 degree.
Further, the tactical diameter of the screw is 380 millimeters, in the milli of the centre of gyration 35 apart from the screw
At rice, the angle of attack of the blade is 20.11 ± 2.5 degree；
And/or, at 65 millimeters of the centre of gyration of the screw, the angle of attack of the blade is 17.57 ± 2.5
Degree；
And/or, at 95 millimeters of the centre of gyration of the screw, the angle of attack of the blade is 13.68 ± 2.5
Degree；
And/or, at 125 millimeters of the centre of gyration of the screw, the angle of attack of the blade is 11.11 ± 2.5
Degree；
And/or, at 155 millimeters of the centre of gyration of the screw, the angle of attack of the blade is 8.98 ± 2.5
Degree；
And/or, at 185 millimeters of the centre of gyration of the screw, the angle of attack of the blade is 7.57 ± 2.5
Degree.
Further, the distance of the centre of gyration on the blade away from the screw is the revolution half of the screw
At the 50% of footpath, the chord length of the blade is 28.28 ± 5 millimeters；
And/or, the distance of the centre of gyration on the blade away from the screw is the radius of gyration of the screw
65.79% at, the chord length of the blade is 23.45 ± 5 millimeters；
The distance of the centre of gyration on the blade away from the screw is the radius of gyration of the screw
At 81.58%, the chord length of the blade is 19.32 ± 5 millimeters.
Further, the distance of the centre of gyration on the blade away from the screw is the revolution half of the screw
At the 18.42% of footpath, the chord length of the blade is 33.59 ± 5 millimeters；
And/or, the distance of the centre of gyration on the blade away from the screw is the radius of gyration of the screw
34.21% at, the chord length of the blade is 33.97 ± 5 millimeters；
And/or, the distance of the centre of gyration on the blade away from the screw is the radius of gyration of the screw
81.58% at, the chord length of the blade is 19.32 ± 5 millimeters.
Further, a diameter of 380 ± 30 millimeters of the revolution of the screw.
Further, the blade includes mutually away from the blade face and blade back for arranging, and connects the blade back and described
Second lateral margin of the opposite side of first lateral margin, the connection blade back and the blade face of the side on blade face.
Further, the cross-sectional profiles of the cross-sectional profiles on the blade face and the blade back are warp architecture.
Further, first lateral margin includes that curved outwardly first arches upward portion；The second lateral margin bag
Include curved outwardly second to arch upward portion.
Further, the screw includes propeller hub, and the propeller hub is fixedly connected with the blade,
Further, and the propeller hub is integrally formed setting with the blade.
Further, the quantity of the blade is at least two.
Further, the geometrical pitch of the screw is 5 ± 0.5 inches.
A kind of power suit of unmanned vehicle, the power suit includes at least one screw as above and drive
Move the actuator of the propeller rotational.
Further, the actuator is motor, and the screw is connected on the motor, and the KV values of the motor are
460 turns/(minute volt).
A kind of unmanned vehicle, it includes fuselage, multiple horns and multiple power suits as above, the plurality of machine
Arm is connected with the fuselage, and the plurality of power suit is separately mounted on the plurality of horn.
The design of the angle of attack that the screw that the utility model is provided passes through the different parts to blade, reduces air resistance
Power, improves efficiency, and motive force is relatively large.
Description of the drawings
Fig. 1 is the structural representation of the screw that an embodiment of the present utility model is provided.
Fig. 2 is the top view of the screw in Fig. 1.
Fig. 3 is the side view of the screw in Fig. 1.
Fig. 4 is the front view of the screw in Fig. 2.
Fig. 5 is the front schematic view of the screw in Fig. 2.
Fig. 6 is the sectional view of the A-A sections of the screw in Fig. 5.
Fig. 7 is the sectional view of the B-B sections of the screw in Fig. 5.
Fig. 8 is the sectional view of the C-C sections of the screw in Fig. 5.
Fig. 9 is the sectional view of the D-D sections of the screw in Fig. 5.
Figure 10 is the sectional view of the E-E sections of the screw in Fig. 5.
Figure 11 is the sectional view of the F-F sections of the screw in Fig. 5.
Main element symbol description
Screw 100
Blade 200
Propeller hub 101
Blade face 10
Blade back 20
First lateral margin 30
First arches upward portion 31
Second lateral margin 40
Second arches upward portion 41
Following specific embodiment will further illustrate the utility model with reference to above-mentioned accompanying drawing.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
It should be noted that when component is referred to as " being fixed on " another component, it can directly on another component
Or can also there is component placed in the middle.When a component is considered as " connection " another component, it can be directly connected to
To another component or may be simultaneously present component placed in the middle.When a component is considered as " being arranged at " another component, it
Can be set directly on another component or may be simultaneously present component placed in the middle.
Unless otherwise defined, all of technology used herein and scientific terminology are led with technology of the present utility model is belonged to
The implication that the technical staff in domain is generally understood that is identical.It is simply in term used in the description of the present utility model herein
The purpose of description specific embodiment, it is not intended that in limiting the utility model.Term as used herein " and/or " include
The arbitrary and all of combination of one or more related Listed Items.
During the utility model is realized, inventor is found that following problem：
(1) efficiency of screw is relevant with the angle of attack of screw and chord length, for this purpose, shape and knot of the inventor in screw
Structure aspect is made that emphasis is improved.
(2) especially, the efficiency of screw is subject to the angle of attack and chord length shadow of screw middle part (40%～90% region)
Ring, for this purpose, inventor makes improvement in the middle part emphasis of screw.
(3) shape and structure of screw directly influences promotion force direction that it produces when rotated and motive force is big
It is little, for this purpose, inventor is made that in this regard some improvement.
The utility model embodiment provides a kind of screw, and it includes blade.Away from the screw on the blade
The distance of the centre of gyration is that at the 50% of the radius of gyration of the screw, the angle of attack of the blade is 13.68 ± 2.5 degree；
The distance of the centre of gyration on the blade away from the screw is at the 65.79% of the radius of gyration of the screw, described
The angle of attack of blade is 11.11 ± 2.5 degree；The distance of the centre of gyration on the blade away from the screw is the screw
The radius of gyration 81.58% at, the angle of attack of the blade is 8.98 ± 2.5 degree.
The utility model embodiment also provides a kind of power suit of unmanned vehicle, and the power suit includes screw
And motor, the screw is connected on the motor, and the motor is used to drive the propeller rotational, the motor
KV values be 460 turns/(minute volt).The screw includes blade, in the revolution on the blade away from the screw
The distance of the heart is that at the 50% of the radius of gyration of the screw, the angle of attack of the blade is 13.68 ± 2.5 degree；In the oar
The distance of the centre of gyration on leaf away from the screw is at the 65.79% of the radius of gyration of the screw, the blade
The angle of attack is 11.11 ± 2.5 degree；The distance of the centre of gyration on the blade away from the screw is the revolution of the screw
At the 81.58% of radius, the angle of attack of the blade is 8.98 ± 2.5 degree.The screw can provide larger motive force.
The utility model embodiment also provides a kind of unmanned vehicle, and it includes fuselage, multiple horns and multiple power
Suit, the plurality of horn is connected with the fuselage, and the plurality of power suit is separately mounted on the plurality of horn.Can be with
Understand, a set of power suit is at least installed on each horn.The power suit includes screw and motor.The spiral
Oar is connected on the motor, and the motor is used to drive the propeller rotational, and the KV values of the motor are 460 turns/(divide
Clock volt).The screw includes blade, and the distance of the centre of gyration on the blade away from the screw is the spiral shell
At the 50% of the radius of gyration of rotation oar, the angle of attack of the blade is 13.68 ± 2.5 degree；Away from the screw on the blade
The centre of gyration distance be the screw the radius of gyration 65.79% at, the angle of attack of the blade is 11.11 ± 2.5
Degree；The distance of the centre of gyration on the blade away from the screw is at the 81.58% of the radius of gyration of the screw,
The angle of attack of the blade is 8.98 ± 2.5 degree.
Below in conjunction with the accompanying drawings, some embodiments of the present utility model are elaborated.In the case where not conflicting, under
Feature in the embodiment stated and embodiment can be mutually combined.
The unmanned vehicle that the embodiment of the utility model one is provided, it includes fuselage, horn, screw and for driving
The actuator of the propeller rotational, the horn is connected with the fuselage.It is appreciated that in some embodiments, institute
Stating screw can be to fold oar.The quantity of the screw can be selected according to actual needs, can for one, two or
It is multiple.In present embodiment, the actuator is motor, the KV values of the motor for 460 turns/(minute volt)；Can manage
Solution, in other embodiments, the KV values of the motor can need to choose according to actual flight；The actuator can be
Other forms, such as engine.
The screw can be positive oar or anti-oar.So-called positive oar, refers to from the afterbody of actuator such as motor to motor head
Portion sees in direction, and rotate counterclockwise is producing the screw of lift；So-called anti-oar, refers in terms of from motor afterbody to motor head direction,
Turn clockwise to produce the screw of lift.Specular between the structure of the structure of the positive oar and the anti-oar, therefore under
Text only illustrates the structure of the screw by taking positive oar as an example.
Fig. 1 to Fig. 4 is seen also, the screw 100 of the embodiment of the utility model one offer, the spiral are provided
Oar 100 includes propeller hub 101 and is respectively arranged at two blades 200 of the both sides of the propeller hub 101, and two blades 200 are closed
It is centrosymmetric in the center of the propeller hub 101.In the present embodiment, the propeller hub 101 and blade 200 of the screw 100
Be formed in one structure.Described two blades 200 rotate to form an oar disk.In present embodiment, in the propeller hub 101
The heart is essentially coincided with the center of the oar disk.Certainly, in other embodiments, the screw 100 include oar seat and with institute
State two blades that oar seat is fixedly connected.
It is appreciated that in other implementations, the screw 100 can also be foldable oar, the blade 200
It is rotatably connected on the propeller hub.Or, in some embodiments, the blade 200 passes through connector removably
It is installed on the propeller hub 101, it is not limited to described in the utility model embodiment.It can also be appreciated that according to
Be actually needed, the quantity of blade 200 described in each described screw 100 can be other quantity, such as three, four.
Specifically such as, in another embodiment, the quantity of the blade 200 is three, the relatively described oar of three blades 200
The center of hub 101 is spaced is uniformly distributed in a circumferential direction.
In the present embodiment, a diameter of 380 ± 30 millimeters of the oar disk.Specifically, the diameter of the oar disk can be with
For 350 millimeters, 360 millimeters, 370 millimeters, 380 millimeters, 390 millimeters, 400 millimeters, 410 millimeters, or, the diameter of the oar disk
The arbitrary value in number range that can be defined by above-mentioned any two numerical value.Preferably, a diameter of 380 milli of the oar disk
Rice.Because the oar disk is the effect that formed by the blade 200 and propeller hub rotation, it is previously mentioned above and hereinafter
" " center " of oar disk and " oar disk center ", it should be understood that " centre of gyration of screw ", similarly, above and hereinafter
" diameter of oar disk " and " oar disk diameter " being previously mentioned should be understood to " tactical diameter of screw ", " radius of oar disk " and
" oar disk radius " should be understood to " radius of gyration of screw ".
The propeller hub 101 can be used for being connected with the rotating shaft of the actuator (not shown) of the unmanned vehicle, so that
The actuator 400 can drive the screw 100 to rotate.Reinforcement pad can be embedded with the propeller hub 101, it is described to add
Strong piece can be made using light-weight high-strength materials such as aluminium alloys, to improve the intensity of the screw 100.
The propeller hub 101 is substantially cylindrical.Two blades 200 shape that is centrosymmetric is arranged on the two of the propeller hub
Connection between side, and each described blade 200 and the propeller hub connects in shape of threads.In the present embodiment, the spiral
The geometrical pitch of oar 100 is 5 ± 0.5 inches, and when the geometrical pitch is zero for the propeller-blade section angle of attack, blade rotates a circle before institute
The distance entered.Specifically, the geometrical pitch of the screw 100 can for 4.5 inches, 4.6 inches, 4.7 inches, 4.8 inches,
4.9 inches, 5.0 inches, 5.1 inches, 5.2 inches, 5.3 inches, 5.4 inches, 5.5 inches, or, the geometrical pitch can be with
The arbitrary value in number range defined by above-mentioned any two numerical value.Preferably, the geometrical pitch is 5 inches.
The blade 200 includes mutually away from the blade face 10 and blade back 20 for arranging, and connects the blade back 20 and described
Second lateral margin 40 of the opposite side of first lateral margin 30, the connection blade back 20 and the blade face 10 of the side on blade face 10.It is described
The cross-sectional profiles of the cross-sectional profiles on blade face 10 and the blade back 20 are warp architecture (referring to Fig. 7 to Figure 11).Work as institute
When stating screw 100 and being installed on the actuator of the unmanned plane, the blade face 10 towards the actuator, that is, the leaf
Face 10 is arranged down；And the blade back 20 deviates from the actuator, that is, the blade back 20 is arranged upward.In present embodiment
In, the blade face 10 and the blade back 20 are curved surface.First lateral margin 30 includes curved the first outwardly arch
Play portion 31.Described first portion 31 that arches upward is connected smoothly with the other parts of first lateral margin 30.In the present embodiment,
Described first portion 31 that arches upward is arranged adjacent to the propeller hub 101.Second lateral margin 40 includes curved outwardly second
Arch upward portion 41, and described second portion 41 that arches upward is connected smoothly with the other parts of second lateral margin 40.In present embodiment
In, described second portion 41 that arches upward is arranged adjacent to the propeller hub 101.
In the screw 100 that the utility model embodiment is provided, without drastically torsion part on the blade 200,
Stress is less, and structural strength is higher, is not easily broken, and reliability is high.The blade 200 is the oar away from one end of the propeller hub
The most thin part of leaf 200, is conducive to reducing air drag.That is, thickness of the described blade 200 away from the one end at the center of the oar disk
Thickness of the degree less than the other parts of the blade 200.
The angle of attack referred to herein, refers to the angle between the wing chord and speed of incoming flow of the blade 200.
Please refer to Fig. 5 and Fig. 6, the distance of the center O on the blade 200 away from the oar disk is the oar disk half
At the 18.42% of footpath, the angle of attack 1 of the blade 200 is 20.11 ± 2.5 degree.Specifically, the angle of attack of blade described herein 200
1 can be 17.61 degree, 18.61 degree, 19.11 degree, 20.11 degree, 21.11 degree, 21.61 degree, 22.61 degree, or, it is described herein
The arbitrary value in number range that the angle of attack 1 of blade 200 can be defined by above-mentioned any two numerical value, in present embodiment
In, the angle of attack 1 is 20.11 degree.The distance of the center O on the blade 200 away from the oar disk is the oar disk radius
At 18.42%, chord length L1 of the blade 200 is 33.59 ± 5 millimeters.Specifically, chord length L1 of blade described herein 200 can
Think 28.596 millimeters, 30.59 millimeters, 32.59 millimeters, 33.59 millimeters, 35.59 millimeters, 37.59 millimeters, 38.59 millimeters, or
Person, the numerical value in number range that chord length L1 of blade described herein 200 can be defined by above-mentioned any two numerical value, at this
In embodiment, chord length L1 is 33.59 millimeters.
Please refer to Fig. 5 and Fig. 7, the distance of the center O on the blade 200 away from the oar disk is the oar disk half
At the 34.21% of footpath, the angle of attack 2 of the blade 200 is 17.57 ± 2.5 degree.Specifically, the angle of attack of blade described herein 200
2 can be 15.07 degree, 16.07 degree, 16.57 degree, 17.57 degree, 18.57 degree, 19.07 degree, 20.07 degree, or, it is described herein
The arbitrary value in number range that the angle of attack 2 of blade 200 can be defined by above-mentioned any two numerical value, in present embodiment
In, the angle of attack 2 is 17.57 degree.The distance of the center O on the blade 200 away from the oar disk is the oar disk radius
At 34.21%, chord length L2 of the blade 200 is 33.97 ± 5 millimeters.Specifically, chord length L2 of blade described herein 200 can
Think 28.97 millimeters, 30.97 millimeters, 32.97 millimeters, 33.97 millimeters, 35.97 millimeters, 37.97 millimeters, 38.97 millimeters, or
Person, specifically, appointing in the number range that chord length L2 of blade described herein 200 can be defined by above-mentioned any two numerical value
Meaning value, in the present embodiment, chord length L2 is 33.97 millimeters.
Please refer to Fig. 5 and Fig. 8, the distance of the center O on the blade 200 away from the oar disk is the oar disk half
At the 50% of footpath, the angle of attack 3 of the blade 200 is 13.68 ± 2.5 degree.Specifically, the angle of attack 3 of blade described herein 200 can
Think 11.18 degree, 12.18 degree, 12.68 degree, 13.68 degree, 14.68 degree, 15.18 degree, 16.18 degree, or, blade described herein
The arbitrary value in number range that 200 angle of attack 3 can be defined by above-mentioned any two numerical value, in the present embodiment, institute
Angle of attack 3 is stated for 13.68 degree.The distance of the center O on the blade 200 away from the oar disk is the 50% of the oar disk radius
Place, chord length L3 of the blade 200 is 28.28 ± 5 millimeters.Specifically, chord length L3 of blade described herein 200 can be
23.28 millimeters, 25.28 millimeters, 27.28 millimeters, 28.28 millimeters, 30.28 millimeters, 32.28 millimeters, 33.28 millimeters, or, this
Locate the arbitrary value in the number range that chord length L3 of the blade 200 can be defined by above-mentioned any two numerical value, in this reality
In applying mode, chord length L3 is 28.28 millimeters.
Please refer to Fig. 5 and Fig. 9, the distance of the center O on the blade 200 away from the oar disk is the oar disk half
At the 65.79% of footpath, the angle of attack 4 of the blade 200 is 11.11 ± 2.5 degree.Specifically, the angle of attack of blade described herein 200
4 can be 8.61 degree, 9.61 degree, 10.11 degree, 11.11 degree, 12.11 degree, 12.61 degree, 13.61 degree, or, oar described herein
The arbitrary value in number range that the angle of attack 4 of leaf 200 can be defined by above-mentioned any two numerical value, in the present embodiment,
The angle of attack 4 is 11.11 degree.The distance of the center O on the blade 200 away from the oar disk is the oar disk radius
At 65.79%, chord length L4 of the blade 200 is 23.45 ± 5 millimeters.Specifically, chord length L4 of blade described herein 200 can
Think 18.45 millimeters, 20.45 millimeters, 22.45 millimeters, 23.45 millimeters, 25.45 millimeters, 27.45 millimeters, 28.45 millimeters, or
Person, the arbitrary value in number range that chord length L4 of blade described herein 200 can be defined by above-mentioned any two numerical value,
In present embodiment, chord length L4 is 23.45 millimeters.
Please refer to Fig. 5 and Figure 10, the distance of the center O on the blade 200 away from the oar disk is the oar disk
At the 81.58% of radius, the angle of attack 5 of the blade 200 is 8.98 ± 2.5 degree.Specifically, the angle of attack of blade described herein 200
α 5 can be 6.48 degree, 7.48 degree 7.98 degree, 8.98 degree, 9.98 degree, 10.48 degree, 11.48 degree, or, blade described herein
The arbitrary value in number range that 200 angle of attack 5 can be defined by above-mentioned any two numerical value, in the present embodiment, institute
Angle of attack 5 is stated for 8.98 degree.The distance of the center O on the blade 200 away from the oar disk is the oar disk radius
At 81.58%, chord length L5 of the blade 200 is 19.32 ± 5 millimeters.Specifically, chord length L5 of blade described herein 200 can
Think 14.32 millimeters, 16.32 millimeters, 18.32 millimeters, 19.32 millimeters, 21.32 millimeters, 23.32 millimeters, 24.32 millimeters, or
Person, the arbitrary value in number range that chord length L5 of blade described herein 200 can be defined by above-mentioned any two numerical value,
In present embodiment, chord length L5 is 19.32 millimeters.
Please refer to Fig. 5 and Figure 11, the distance of the center O on the blade 200 away from the oar disk is the oar disk
At the 97.37% of radius, the angle of attack 6 of the blade 200 is 7.57 ± 2.5 degree.Specifically, the angle of attack of blade described herein 200
α 6 can be 5.07 degree, 6.07 degree, 6.57 degree, 7.57 degree, 8.57 degree, 9.07 degree, 10.07 degree, or, blade described herein
The arbitrary value in number range that 200 angle of attack 6 can be defined by above-mentioned any two numerical value, in the present embodiment, institute
Angle of attack 6 is stated for 7.57 degree.The distance of the center O on the blade 200 away from the oar disk is the oar disk radius
At 97.37%, chord length L6 of the blade 200 is 15.46 ± 5 millimeters.Specifically, chord length L6 of blade described herein 200 can
Think 10.46 millimeters, 12.46 millimeters, 14.46 millimeters, 15.46 millimeters, 17.46 millimeters, 19.46 millimeters, 20.46 millimeters, or
Person, the arbitrary value in number range that chord length L6 of blade described herein 200 can be defined by above-mentioned any two numerical value,
In present embodiment, chord length L6 is 15.46 millimeters.
Referring to Fig. 6 to Figure 11, in the present embodiment, a diameter of 380 millimeters of the oar disk.In the blade
On 200 at 35 millimeters of oar disk center described in distance, the angle of attack 1 of the blade 200 is 20.11 degree, the chord length of the blade 200
L1 is 33.59 millimeters；At 65 millimeters of the center of the oar disk, the angle of attack 2 of the blade 200 is 17.57 degree, described
Chord length L2 of blade 200 is 33.97 millimeters；At 95 millimeters of the center of the oar disk, the angle of attack 3 of the blade 200 is
13.68 degree, chord length L3 of the blade 200 is 28.28 millimeters；At 125 millimeters of the center of the oar disk, the blade
200 angle of attack 4 is 11.11 degree, and chord length L4 of the blade 200 is 23.45 millimeters；In the milli of center 155 apart from the oar disk
At rice, the angle of attack 5 of the blade 200 is 8.98 degree, and chord length L5 of the blade 200 is 19.32 millimeters；Apart from the oar
At 185 millimeters of the center of disk, the angle of attack 5 of the blade 200 is 7.57 degree, and chord length L6 of the blade 200 is 15.46 millimeters.
Table 1 is referred to, table 1 show promotion force value of the screw of present embodiment offer under different rotating speeds.
The screw pulling force of table 1-performance number
By the screw of embodiment offer of the present utility model is can be seen that in table under identical pulling force size, need
The power wanted is less such that it is able to save electric quantity consumption, increased the endurance distance of unmanned vehicle, improves efficiency.
The design of the angle of attack that the screw that the utility model is provided passes through the different parts to blade, reduces air resistance
Power, improves efficiency, increased the endurance distance of aircraft and improves the flying quality of aircraft.
In addition, those skilled in the art are it should be appreciated that the embodiment of the above is intended merely to explanation originally
Utility model, and be not used as be to restriction of the present utility model, if within spirit of the present utility model, it is right
The appropriate change and change that above example is made all falls within the scope of the utility model is claimed.
Claims (16)
1. a kind of screw, it includes blade, it is characterised in that：The centre of gyration on the blade away from the screw away from
Away from 50% of the radius of gyration for the screw, the angle of attack of the blade is 13.68 ± 2.5 degree；On the blade away from
The distance of the centre of gyration of the screw is that at the 65.79% of the radius of gyration of the screw, the angle of attack of the blade is
11.11 ± 2.5 degree；The distance of the centre of gyration on the blade away from the screw is the radius of gyration of the screw
At 81.58%, the angle of attack of the blade is 8.98 ± 2.5 degree.
2. screw as claimed in claim 1, it is characterised in that：The centre of gyration on the blade away from the screw
Distance is that at the 18.42% of the radius of gyration of the screw, the angle of attack of the blade is 20.11 ± 2.5 degree；
And/or, the distance of the centre of gyration on the blade away from the screw is the radius of gyration of the screw
At 34.21%, the angle of attack of the blade is 17.57 ± 2.5 degree；
And/or, the distance of the centre of gyration on the blade away from the screw is the radius of gyration of the screw
At 97.37%, the angle of attack of the blade is 7.57 ± 2.5 degree.
3. screw as claimed in claim 1, it is characterised in that：The tactical diameter of the screw is 380 millimeters, in distance
At 35 millimeters of the centre of gyration of the screw, the angle of attack of the blade is 20.11 ± 2.5 degree；
And/or, at 65 millimeters of the centre of gyration of the screw, the angle of attack of the blade is 17.57 ± 2.5 degree；
And/or, at 95 millimeters of the centre of gyration of the screw, the angle of attack of the blade is 13.68 ± 2.5 degree；
And/or, at 125 millimeters of the centre of gyration of the screw, the angle of attack of the blade is 11.11 ± 2.5 degree；
And/or, at 155 millimeters of the centre of gyration of the screw, the angle of attack of the blade is 8.98 ± 2.5 degree；
And/or, at 185 millimeters of the centre of gyration of the screw, the angle of attack of the blade is 7.57 ± 2.5 degree.
4. screw as claimed in claim 1, it is characterised in that：The centre of gyration on the blade away from the screw
Distance is that at the 50% of the radius of gyration of the screw, the chord length of the blade is 28.28 ± 5 millimeters；
And/or, the distance of the centre of gyration on the blade away from the screw is the radius of gyration of the screw
At 65.79%, the chord length of the blade is 23.45 ± 5 millimeters；
The distance of the centre of gyration on the blade away from the screw is the 81.58% of the radius of gyration of the screw
Place, the chord length of the blade is 19.32 ± 5 millimeters.
5. screw as claimed in claim 4, it is characterised in that：The centre of gyration on the blade away from the screw
Distance is that at the 18.42% of the radius of gyration of the screw, the chord length of the blade is 33.59 ± 5 millimeters；
And/or, the distance of the centre of gyration on the blade away from the screw is the radius of gyration of the screw
At 34.21%, the chord length of the blade is 33.97 ± 5 millimeters；
And/or, the distance of the centre of gyration on the blade away from the screw is the radius of gyration of the screw
At 81.58%, the chord length of the blade is 19.32 ± 5 millimeters.
6. screw as claimed in claim 1, it is characterised in that：A diameter of 380 ± 30 millimeters of the revolution of the screw.
7. screw as claimed in claim 1, it is characterised in that：The blade is included mutually away from the blade face and leaf for arranging
The back of the body, and connect the first lateral margin of the side on the blade back and the blade face, connect the opposite side on the blade back and the blade face
The second lateral margin.
8. screw as claimed in claim 7, it is characterised in that：The cross-sectional profiles on the blade face and the blade back it is transversal
Facial contour is warp architecture.
9. screw as claimed in claim 7, it is characterised in that：First lateral margin includes curved outwardly the
One arches upward portion；Second lateral margin includes that curved outwardly second arches upward portion.
10. the screw as described in claim 1-9 any one, it is characterised in that：The screw includes propeller hub, the oar
Hub is fixedly connected with the blade.
11. screws as claimed in claim 10, it is characterised in that：And the propeller hub is integrally formed setting with the blade.
12. screws as claimed in claim 10, it is characterised in that：The quantity of the blade is at least two.
13. screws as claimed in claim 10, it is characterised in that：The geometrical pitch of the screw is 5 ± 0.5 inches.
A kind of power suit of 14. unmanned vehicles, it is characterised in that：The power suit is included described in claim 10 extremely
The actuator of a few screw and the driving propeller rotational.
15. power suits as claimed in claim 14, it is characterised in that：The actuator is motor, the screw connection
On the motor, the KV values of the motor are 460 turns/(minute volt).
A kind of 16. unmanned vehicles, it includes the multiple power suit described in fuselage, multiple horns and claims 14 or 15,
The plurality of horn is connected with the fuselage, and the plurality of power suit is separately mounted on the plurality of horn.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621195086.9U CN206141830U (en) | 2016-10-28 | 2016-10-28 | Screw, power suit and unmanned vehicles |
| PCT/CN2016/108287 WO2018076457A1 (en) | 2016-10-28 | 2016-12-01 | Airscrew, power suite and unmanned aerial vehicle |
| CN201680085525.7A CN109071004A (en) | 2016-10-28 | 2016-12-01 | Propeller, power suit and unmanned vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621195086.9U CN206141830U (en) | 2016-10-28 | 2016-10-28 | Screw, power suit and unmanned vehicles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206141830U true CN206141830U (en) | 2017-05-03 |
Family
ID=58624447
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621195086.9U Expired - Fee Related CN206141830U (en) | 2016-10-28 | 2016-10-28 | Screw, power suit and unmanned vehicles |
| CN201680085525.7A Pending CN109071004A (en) | 2016-10-28 | 2016-12-01 | Propeller, power suit and unmanned vehicle |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680085525.7A Pending CN109071004A (en) | 2016-10-28 | 2016-12-01 | Propeller, power suit and unmanned vehicle |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN206141830U (en) |
| WO (1) | WO2018076457A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109153449A (en) * | 2017-12-21 | 2019-01-04 | 深圳市大疆创新科技有限公司 | Propeller, Power Component and unmanned vehicle |
| WO2019019343A1 (en) * | 2017-07-25 | 2019-01-31 | 深圳市大疆创新科技有限公司 | Propeller, power assembly and aircraft |
| WO2019024202A1 (en) * | 2017-07-31 | 2019-02-07 | 深圳市大疆创新科技有限公司 | Blade, propeller, power assembly and unmanned aerial vehicle |
| CN109969391A (en) * | 2017-12-28 | 2019-07-05 | 辽宁壮龙无人机科技有限公司 | Unmanned plane and its propeller |
| WO2019205497A1 (en) * | 2018-04-25 | 2019-10-31 | 深圳市大疆创新科技有限公司 | Propeller, power assembly, and aircraft |
| CN114228988A (en) * | 2021-11-26 | 2022-03-25 | 南昌三瑞智能科技有限公司 | High-thrust high-lift-drag-ratio propeller and propeller blade design method |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105253295A (en) * | 2015-10-30 | 2016-01-20 | 深圳市道通智能航空技术有限公司 | Screw propeller and aerocraft |
| CN205345321U (en) * | 2016-01-19 | 2016-06-29 | 深圳市大疆创新科技有限公司 | Screw, power suit and unmanned vehicles |
| CN205345320U (en) * | 2016-01-27 | 2016-06-29 | 深圳市大疆创新科技有限公司 | Screw, power component and aircraft |
| CN205524939U (en) * | 2016-01-27 | 2016-08-31 | 深圳市大疆创新科技有限公司 | Screw, power component and aircraft |
| CN205366054U (en) * | 2016-01-28 | 2016-07-06 | 深圳市大疆创新科技有限公司 | Screw, power component and aircraft |
| CN205418072U (en) * | 2016-02-26 | 2016-08-03 | 深圳市大疆创新科技有限公司 | Screw, power component and aircraft |
| CN205524940U (en) * | 2016-02-29 | 2016-08-31 | 深圳市大疆创新科技有限公司 | Screw, power component and aircraft |
| CN205589457U (en) * | 2016-02-29 | 2016-09-21 | 深圳市大疆创新科技有限公司 | Screw, power component and aircraft |
| CN205469778U (en) * | 2016-02-29 | 2016-08-17 | 深圳市大疆创新科技有限公司 | Screw, power component and aircraft |
| CN205396538U (en) * | 2016-03-02 | 2016-07-27 | 深圳市道通智能航空技术有限公司 | Screw and aircraft |
-
2016
- 2016-10-28 CN CN201621195086.9U patent/CN206141830U/en not_active Expired - Fee Related
- 2016-12-01 WO PCT/CN2016/108287 patent/WO2018076457A1/en active Application Filing
- 2016-12-01 CN CN201680085525.7A patent/CN109071004A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019019343A1 (en) * | 2017-07-25 | 2019-01-31 | 深圳市大疆创新科技有限公司 | Propeller, power assembly and aircraft |
| WO2019024202A1 (en) * | 2017-07-31 | 2019-02-07 | 深圳市大疆创新科技有限公司 | Blade, propeller, power assembly and unmanned aerial vehicle |
| CN110431077A (en) * | 2017-07-31 | 2019-11-08 | 深圳市大疆创新科技有限公司 | Blade, propeller, Power Component and unmanned vehicle |
| CN109153449A (en) * | 2017-12-21 | 2019-01-04 | 深圳市大疆创新科技有限公司 | Propeller, Power Component and unmanned vehicle |
| WO2019119379A1 (en) * | 2017-12-21 | 2019-06-27 | 深圳市大疆创新科技有限公司 | Propeller, power assembly, and unmanned aerial vehicle |
| CN109969391A (en) * | 2017-12-28 | 2019-07-05 | 辽宁壮龙无人机科技有限公司 | Unmanned plane and its propeller |
| WO2019205497A1 (en) * | 2018-04-25 | 2019-10-31 | 深圳市大疆创新科技有限公司 | Propeller, power assembly, and aircraft |
| CN110896625A (en) * | 2018-04-25 | 2020-03-20 | 深圳市大疆创新科技有限公司 | Screw, power component and aircraft |
| CN114228988A (en) * | 2021-11-26 | 2022-03-25 | 南昌三瑞智能科技有限公司 | High-thrust high-lift-drag-ratio propeller and propeller blade design method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109071004A (en) | 2018-12-21 |
| WO2018076457A1 (en) | 2018-05-03 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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