CN102837825A

CN102837825A - Air suspension lift device

Info

Publication number: CN102837825A
Application number: CN2011101673999A
Authority: CN
Inventors: 董乾浩
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-06-21
Filing date: 2011-06-21
Publication date: 2012-12-26

Abstract

The invention discloses an air suspension lift device, mainly solving the problem that products in the past can not generate large enough lift or are influenced by certain topography. The device is characterized in that: an outer diameter diffusion compressor is utilized to accelerate axially absorbed air to radially and horizontally spray the air to let the air be into an air chamber, the airflow passes through a certain amount of disc-type wings arranged up and down and then flows out from the air chamber, the disc-type wings generate the main lift for suspending the device, wherein the life blades of the outer diameter diffusion compressor generate certain lift, and the airflow that flows out from the air chamber combines with the airflow that is accelerated by an inner diameter diffusion compressor to be sprayed out from an airflow channel and then enter into the outside with a certain speed. The device disclosed herein is mainly applied in the power of various low-altitude aircrafts or low-altitude vehicles.

Description

Aerial suspension lift unit

Technical field

The present invention relates to a kind of aerial suspension lift unit.

Background technology

At present, aerial suspension technology mainly is divided into magnetic levitation technology and the aircraft that utilizes rotor or duct lift fan.

Magnetic levitation technology; Utilize the principle of same-sex repulsion between magnet that object is unsettled, be mainly used in the magnetic-levitation traffic, following shortcoming is arranged; Because being the same sex between magnet, the principle that suspends repels each other; So receive certain limitation in the suspension scope of object level, and the hoverheight of object to receive the weight of object self relevant with magnitude of field intensity, so the hoverheight of object is generally lower.

Another shortcoming of magnetic levitation technology is that the control technology of levitated object is difficulty relatively.

The aircraft of rotor or duct lift fan; The pulling force that makes progress that carries out VTOL or hovering and mainly be utilizing the rotation of blade in rotor and the duct lift fan and produce; Following shortcoming is arranged, need high rotating speed and minimum vibrations, because blade receives the restriction of duct diameter; Thereby enough big lift can not be provided, be mainly used in some SUAVs at present.

Summary of the invention

To the problems referred to above; Main purpose of the present invention provides a kind of aerial lift unit that suspends that is used for; To eliminate magnetic levitation technology and the shortcoming of utilizing the aircraft of rotor or duct lift fan, this device both can produce enough big lift, can not receive the restriction of landform scope again; And the degree of utilization to air-flow is high, and it is also less to receive external influence.

This device can also a plurality ofly be cascaded up and down to produce bigger lift.

Description of drawings

In the accompanying drawings, with nonrestrictive form for example, explain that one of the present invention is implemented row, more real other characteristic of the present invention and advantage in detailed description subsequently.In the accompanying drawings:

Fig. 1 is a schematic sectional view;

Fig. 2 is a diagrammatic top view;

Fig. 3 is the cutaway view of Fig. 1 C-C in the cross section;

A details among Fig. 4 enlarged and displayed Fig. 1;

B details among Fig. 5 enlarged and displayed Fig. 1;

Fig. 6 is the cross sectional shape of signal external diameter diffusion type compressor blade;

Fig. 7 is the signal narrow pipe crossed of air communication and the shape of spout;

Fig. 8 is the partial cross-sectional top view of signal external diameter diffusion type air compressor at air chamber lower wall place;

The specific embodiment

Consult accompanying drawing, wherein 9 is a disc wing, and the cross sectional shape of its wing is confirmed that by the design-calculated lift coefficient mode that is arranged above and below with multilayer is installed in the air chamber 10 of air current flow through load bar 1.

Connecting dish 4 and air chamber lower wall 3 on the air chamber respectively at two places up and down of load bar 1, the gas that the air chamber of being made up of dish 4 on the air chamber and air chamber lower wall 3 10 has guaranteed to spray from the air-flow spout 11 of external diameter diffusion type air compressor 6 can be stable passes through air chamber 10.

External diameter diffusion type air compressor 6 is installed on the air chamber in the endoporus 16 of the air chamber 10 that dish 4 and air chamber lower wall 3 formed, and the assembling of dish 4 leaves certain clearance 5 on external diameter diffusion type air compressor 6 and the air chamber, thereby guarantees that air-flow can get in the air chamber through gap 5.

The narrow pipe 23 of external diameter diffusion type air compressor 6 is uniformly distributed with on the cylinder 25 that is arranged in air compressor with the form of bending; And the height of the air-flow spout 11 of external diameter diffusion type air compressor 6 is consistent with the height of air chamber 10, guarantees that the air-flow that from air compressor, sprays is minimum in the disturbance that has just got in the air chamber 10.

Because external diameter diffusion type air compressor 6 is installed on the air chamber and coils in 4, and assembles and leave certain clearance 5, so two kinds of blades of external diameter diffusion type air compressor 6, calm the anger blade 18 and lift force blade 20 all cover the entrance in gap 5.

Internal diameter diffusion type air compressor 8 is installed in the endoporus 17 of external diameter diffusion type air compressor 6; And internal diameter diffusion type air compressor 8 leaves certain clearance 7 with the assembling of external diameter diffusion type air compressor 6, guarantees that the air-flow that air-flow can spray with the air-flow spout 12 of internal diameter diffusion type air compressor 8 through gap 7 converges mutually.

The narrow pipe 23 of internal diameter diffusion type air compressor 8 is uniformly distributed with on the transmission shaft 26 that is arranged in air compressor with the form of bending; And the height of the gas channel 2 in the air-flow spout 12 of air compressor and the air chamber lower wall 3 is consistent; The air-flow of ejection can all get in the gas channel 2 from the spout 12 of internal diameter diffusion type air compressor 8 like this, avoids the air-flow of ejection from spout 12 that whole device inside is exerted an influence.

The air-flow of spout 12 ejections of internal diameter diffusion type air compressor 8 will neutralize with effluent air from air chamber 10 through gas channel 2 mutually, makes the exterior air-flow velocity of bleeder reach design value.

Whole device is installed on the base 22 through load bar 1, and the external diameter diffusion type air compressor 6 of device is connected with engine installation 21 with internal diameter diffusion type air compressor 8, and engine installation 21 is installed on the base 22.

After external diameter diffusion type air compressor 6 rotated, the blade 18 of calming the anger of two kinds of difference in functionalitys that air compressor had promptly began to rotate with lift force blade 20.

Extraneous gas promptly gets in the air flow inlet 13 of external diameter diffusion type air compressor 6, gets narrow pipe 23 after-acceleration through air compressor and gets into air chamber 10. from spout 11 with the certain speed ejection

In air chamber 10, air communication is crossed disc wing 9, because aerodynamic effect, wing just can produce and make the topmost lift of this device suspension, flows out air chamber 10 at last.

Other factors of disc wing 9 lift that produces that multilayer is arranged above and below size when design just to confirm; So the size of lift that disc wing 9 produces is confirmed by the air-flow velocity size through air chamber 10; Promptly confirm by the rotating speed of external diameter diffusion type air compressor 6; And for the air-flow between the disc wing 9 that guarantees to be arranged above and below does not interfere with each other, so disc wing 9 should keep certain distance each other.

Two kinds of blades of external diameter diffusion type air compressor 6 cover the entrance in gap 5; So after external diameter diffusion type air compressor 6 rotates, just can produce air-flow gets in the gap 5; Guarantee comparatively pulsation-free rotation of external diameter diffusion type air compressor 6; And avoid with air chamber on dish 4 and air chamber lower wall 3 produce friction or collision and then influence the work of air compressor, its effect is equivalent to the effect of air bearing or inspiration.

Internal diameter diffusion type air compressor 8 is to rotate with external diameter diffusion type 6 opposite directions, and blade 19 air of calming the anger suck in the air flow inlet 14, get into internal diameter diffusion type air compressor 8, quicken the back through the narrow pipe 23 of calming the anger and spray with certain speed from spout 12.

Internal diameter diffusion type air compressor 8 is assemblied in the endoporus 17 of external diameter diffusion type air compressor 6; So from the air-flow of the spout of internal diameter diffusion type air compressor 8 12 ejections through external diameter diffusion type air compressor 6 behind the load bar 24 of air chamber lower wall 3; Get in the gas channel 2 of air chamber lower wall 3, flow out the back and after the air-flow that air chamber 10 flows out is neutralized into certain speed, flow to the device outside.

The blade of internal diameter diffusion type air compressor 8 covers the entrance in gap 7; So after blade 19 rotates, just can produce air-flow gets in the gap 7; Play air bearing or air-sprung effect; Guarantee that internal diameter diffusion type air compressor 8 and external diameter diffusion type air compressor 6 each other can the pulsation-frees runnings, can to a certain degree avoid the generation that rubs or collide, and then device is produced adverse influence.

External diameter diffusion type air compressor 6 rotates with certain revolution ratio with internal diameter diffusion type air compressor 8, could guarantee that the exterior air-flow velocity of device that flows to after the neutralization reaches design value.

Claims

1. aerial suspension lift unit, especially for the aircraft or the vehicle in various low latitudes, he comprises:

---can quicken gas external diameter diffusion type air compressor and the internal diameter diffusion type air compressor of back from the radial level ejection from axial suction;

---by coiling the air chamber of forming with the air chamber lower wall on the air chamber with certain volume;

---the disc wing that has some to be arranged above and below is installed in the air chamber;

---in the air chamber lower wall gas channel is arranged;

After external diameter diffusion type air compressor and the rotation of internal diameter diffusion type air compressor; Will be after axial suction air quickens respectively in the gas channel from radially get into air chamber and air chamber lower wall; Airflow passes disc wing in air chamber; Wing produces lift upwards under aerodynamic effect, flow out air chamber through the air-flow limit behind the disc wing, with in the air-flow that from the air chamber lower wall, sprays with after flow to the device outside; Assembling on the air chamber between dish and external diameter diffusion type air compressor leaves certain clearance, and external diameter diffusion type air compressor and internal diameter diffusion type air compressor leave certain clearance in assembling place.

2. according to a kind of device of claim 1, it is characterized in that having from axially air-breathing and through quickening the external diameter diffusion type air compressor and the internal diameter diffusion type air compressor of back from radial level ejection air-flow.

3. according to a kind of device of claim 1; It is characterized in that; The disc wing of some is installed in the air chamber with the mode of arranging up and down, and the aerodynamic characteristics of disc wing is can design-calculated fine, can more help producing lift to disc wing design-calculated.

4. according to a kind of device of claim 3, it is characterized in that, keeping certain distance between the disc wing that arrange down on the mountain, to avoid the phase mutual interference of air-flow between the disc wing.

5. according to a kind of device of claim 1, it is characterized in that, because the air-flow outside the blowoff is through neutralization, so external diameter diffusion type air compressor becomes certain ratio with the rotating speed of the interior diffusion type of ability unexpectedly air compressor.

6. according to a kind of device of claim 1, it is characterized in that the blade of external diameter expanding formula air compressor and internal diameter diffusion type air compressor all covers on the assembly clearance look inlet.

7. according to a kind of device of claim 6; It is characterized in that; After external diameter diffusion type air compressor and internal diameter diffusion type air compressor rotated, the air-flow that blade produces got into after the assembly clearance, will play air bearing or the air-sprung effect of being similar to; Prevent mutual friction or collision, guarantee the smooth operation of external diameter diffusion type air compressor and internal diameter diffusion type air compressor.