CN112874792A - Device for preventing air flow in aircraft passenger cabin from mixing - Google Patents
Device for preventing air flow in aircraft passenger cabin from mixing Download PDFInfo
- Publication number
- CN112874792A CN112874792A CN202110125915.5A CN202110125915A CN112874792A CN 112874792 A CN112874792 A CN 112874792A CN 202110125915 A CN202110125915 A CN 202110125915A CN 112874792 A CN112874792 A CN 112874792A
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- Prior art keywords
- air
- air supply
- cabin
- passenger cabin
- supply pipeline
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- 238000000034 method Methods 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 abstract description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 4
- 108010066114 cabin-2 Proteins 0.000 description 3
- 239000000645 desinfectant Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 230000009385 viral infection Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 241000256626 Pterygota <winged insects> Species 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D13/00—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft
- B64D13/06—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft the air being conditioned
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D13/00—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft
- B64D13/06—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft the air being conditioned
- B64D2013/0603—Environmental Control Systems
- B64D2013/0655—Environmental Control Systems with zone or personal climate controls
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Ventilation (AREA)
Abstract
The invention relates to a device system of an airplane passenger cabin, in particular to a device for preventing air flow in the airplane passenger cabin from mixing, wherein a plurality of transverse air curtains are arranged in the airplane passenger cabin from the top of the passenger cabin to the lower part, and the airplane passenger cabin is divided into a plurality of relatively independent air spaces: the main air supply pipeline (7) is arranged in the longitudinal center of the upper plate of the aircraft cabin, a plurality of rows of left and right supercharging fans (6) which are symmetrically distributed and have opposite rotation directions are arranged on the main air supply pipeline (7), the main air supply pipeline is vertically and downwards discharged from an air outlet (3) at the corresponding position of the top through a branch air supply pipe (5) which is obliquely arranged towards two sides in the middle, and air is sucked into the main air supply pipeline (7) above the air return port (1) on the side wall of the aircraft cabin. The invention creatively modifies the ventilation system in the airplane passenger cabin, forms a plurality of air curtains for isolating the airplane passenger cabin, isolates the whole airplane passenger cabin into relatively independent air spaces from front to back, and prevents the air of the airplane from mixing.
Description
Technical Field
The invention relates to a device system of an airplane cabin, in particular to a device for preventing gas from mixing and mixing in the airplane cabin.
Background
In order to improve the environmental sanitation level of people, specific requirements and regulations are made in many areas, such as office places, living areas, public areas including parking lots, corridors, passages and the like, disinfection treatment with disinfectant is needed, and alcohol wiping is performed on small-area public contact parts which are frequently contacted. The disinfection system is carried out in places with dense staffs such as canteens, dormitories, office places and the like, as well as in gates and elevator cars. Sterilizing the whole body after dinner in a dining room at least 4 times per day; sterilizing the dormitory at least 2 times per day; and the office and the conference room are disinfected in time according to the use condition. The hand washing facilities in public places such as construction sites, toilets and the like run normally, and are provided with articles such as quick-drying hand disinfectants, hand washing liquids, hand wiping paper and the like. The cleaning of garbage containers such as garbage cans and the like is enhanced, and the disinfection treatment is carried out regularly. The ventilation is kept, the door and the window are opened as far as possible, mechanical air exhaust can also be adopted, and if an air conditioner is used, the air supply safety of an air conditioning system is ensured, and the disinfection work is done in time.
At the moment of economic globalization, long-distance traffic is still very frequent, and the demand of opportunity occasions for taking airplanes is large, but the situation proves that the air in the front space and the back space of the cabin is easy to mix in a narrow closed cabin, which is unfavorable for health and sanitation, and improvement measures are needed.
Disclosure of Invention
The object of the present invention is to overcome the disadvantages of the prior art and to provide a device which improves the air in the interior of an aircraft cabin.
The purpose of the invention is realized by the following technical scheme.
An apparatus for preventing intermixing of air streams within a passenger cabin of an aircraft, comprising: the method comprises the following steps that a plurality of transverse wind curtains are arranged in the aircraft cabin from the top of the cabin downwards to divide the aircraft cabin into a plurality of relatively independent gas spaces, and the wind curtains are formed by the following structures:
the main air supply pipeline is arranged in the longitudinal center of the upper plate of the airplane cabin, a plurality of rows of left and right supercharging fans which are symmetrically distributed and have opposite rotation directions are arranged on the main air supply pipeline, the supercharging fans are vertically and downwards discharged from an air outlet at the corresponding position of the top through branch air supply pipes which are obliquely arranged towards two sides in the middle, and air is sucked into the main air supply pipeline above the air return pipes on the side wall of the airplane cabin.
By adopting the technical scheme, the air conditioner and the air exchange system of the existing airplane are just utilized, the air sucked by the return air inlet on the side wall of the airplane passenger cabin is utilized, some facilities are added, pressurized airflow is generated, the air curtain device is formed by proper arrangement and configuration, the whole airplane passenger cabin is isolated into the air space which is relatively independent from front to back, and the flow of the front air and the back air which are relatively blocked, obstructed and blocked is relatively prevented, so that the flow of the air in the airplane cabin is greatly inhibited, the mutual infection pollution is caused, and the epidemic prevention is facilitated.
In some added facilities, air return openings on the side wall of the aircraft cabin are ready-made, a plurality of rows of left and right supercharging fans which are symmetrically distributed and have opposite rotation directions are arranged on a main air supply pipeline, so that the pressure of wind in the output direction is enhanced powerfully, and the arrangement of branch air supply pipes obliquely arranged from the middle to two sides is also a means which is convenient to adopt in the industry, so that the central pressure air is conveyed to two sides more uniformly, and finally, an air outlet at the corresponding position of the top is vertically discharged downwards to form an air curtain for isolating the aircraft cabin.
Furthermore, the branch air supply pipe is formed by spacing and guiding flow deflectors, and the flow deflectors are formed by connecting a long rectangular strip A plate and a B plate with an arc at a position close to an air inlet;
the A plate is inserted into a U-shaped sliding groove fixed on an upper plate of an airplane cabin, the B plate is connected to the A plate in a long hole bolt mode, and the area of an air inlet of the branch air supply pipe can be changed by changing the connection position of the long holes.
Furthermore, branch air supply pipes formed by arranging a plurality of flow deflectors in a V shape on the main air supply pipeline are delivered to the air outlets, the sections of the branch air supply pipes are equal, and the distances between the branch air supply pipes and the air outlets in the transverse direction are consistent.
The beneficial effect of this technical scheme.
The air curtain machine is an air purification device which forms an invisible door curtain by driving strong airflow generated by a through-flow or centrifugal wind wheel through a high-speed motor. Air curtain machines are also known as air curtain machines, air curtains, air curtain machines, air brakes, air doors. The high-speed airflow of the air curtain machine can isolate outdoor oil smoke and peculiar smell from entering a room, and can also effectively prevent outdoor dust from entering the room, so that the indoor cleanness is kept, and a fresh and comfortable environment is created. The high-speed airflow generated by the air curtain machine forms a protective door, which can effectively prevent outdoor dust and winged insects from invading and keep indoor cleanness.
At present in globalization, remote traffic is still very frequent, and the demand of opportunity occasions for taking airplanes is very large, but the possibility of virus infection is greatly increased in a narrow closed cabin through the practical demonstration, and the basic measure of wearing a mask only has great hidden danger, and improvement measures are needed.
The invention initiatively improves the ventilation system in the airplane cabin, fully utilizes part of the existing facilities, forms a plurality of air curtains for isolating the airplane cabin by adding a plurality of conventional, standard and simple devices and structures, isolates the whole airplane cabin into a gas space which is relatively independent from front to back, and relatively obstructs, blocks and blocks the flow of front and back air, thereby greatly inhibiting the flow of the air in the airplane cabin and having great significance for preventing virus infection caused by taking the airplane.
The invention can be used for accommodating the original passenger cabin air supply pipeline layout without greatly changing the original passenger cabin air supply pipeline layout. The bleed air flowing out of the air supply outlet forms an air curtain at a certain cross section in the cabin, plays the role of an air partition curtain, and separates the cabin into a plurality of areas, so that the mixing of space air in the front and at the back of the cabin can be avoided, and the sanitation and health protection of passengers are improved.
Drawings
FIG. 1 is a perspective view of a section of an aircraft cabin showing the location, and the switching and configuration of the relevant components of an apparatus for preventing air flow intermixing within the aircraft cabin according to the present invention;
FIG. 2 is a schematic top view of the structure of FIG. 1 looking down from above;
FIG. 3 is a schematic structural view of the transmission and connection of the main air supply duct to each branch air supply duct; fig. 4 is a schematic view of a top view of the guide vane viewed from the vertical direction
Fig. 5 is a schematic view of the guide vane of fig. 4 when viewed in a plane direction after being disassembled.
In the figure, 1 is a return air inlet, 2 is an airplane cabin, 3 is an air supply outlet, 4 is a flow deflector, 5 is a branch air supply pipeline, 6 is an exhaust fan, and 7 is a main air supply pipeline.
Detailed Description
A device for preventing air flow in an aircraft cabin from mixing, a plurality of transverse air curtains are arranged in the aircraft cabin from the top of the cabin downwards to divide the aircraft cabin into a plurality of relatively independent air spaces, and the air curtains are composed of the following structures:
the main air supply pipeline 7 is arranged in the longitudinal center of the upper plate of the airplane cabin, a plurality of rows of left and right supercharging fans 6 which are symmetrically distributed and have opposite rotation directions are arranged on the main air supply pipeline 7, the supercharging fans are vertically and downwards discharged from an air outlet 3 at the corresponding position of the top through branch air supply pipes 5 which are obliquely arranged towards two sides in the middle, and air is sucked into the main air supply pipeline 7 above the air return port 1 on the side wall of the airplane cabin.
The branch air supply pipe 5 is formed by interval and guide of flow deflectors 4, and the flow deflectors 4 are formed by connecting a long rectangular strip A plate and a B plate with an arc at a position close to an air inlet;
the long rectangular strip A plate forms each branch air supply pipe 5 to be conveyed to the air outlet 1, and the long rectangular strip A plate and the long rectangular strip B plate are connected to form the air supply pipe, wherein the long rectangular strip A plate is close to the air inlet and provided with an arc. The pressure air is guided more smoothly, and the air supply efficiency is improved.
The A plate is inserted into a U-shaped sliding groove fixed on an upper plate of an airplane cabin, the B plate is connected to the A plate in a long hole bolt mode, and the area of an air inlet of the branch air supply pipe 5 can be changed by changing the connection position of the long holes.
The installation structure of the plate A inserted into the U-shaped chute fixed on the upper plate of the airplane passenger cabin is simple and convenient, simple and convenient to operate, easy to clean and maintain and capable of achieving a standard structure.
The plate B and the plate A are mutually connected in a bolt mode by taking one side as a round hole and one side as a long hole and adjusting and placing the plates to proper positions. The area of the air inlet of the branch air supply pipe 5 can be changed by changing the connection positions of the two parts, the air quantity of the branch air supply pipe 5 is adjusted, the ejection quantity of each part of the air curtain is influenced, and the ideal state can be adjusted according to the position and the shape of the passenger cabin seat.
Branch air supply pipes 5 formed by arranging a plurality of flow deflectors 4 in a V shape on the main air supply pipeline 7 are sent to the air outlet 1, the sections of the branch air supply pipes 5 are equal, and the distances between the horizontal air outlet 1 and the air outlet 1 are consistent. The whole structure is arranged in this way, so that the standard manufacture is facilitated, and the overall effect is achieved.
As shown in fig. 1, the air curtain applied to the airplane cabin is characterized by comprising an air return opening 1, an airplane cabin 2, an air supply opening 3, a flow deflector 4, a branch air supply pipeline 5, an exhaust fan 6 and a main air supply pipeline 7; the main air supply pipeline 7 and the branch air supply pipelines 5 are arranged on the upper plate of the airplane cabin 2, two exhaust fans 6 are arranged at the inlet of the main air supply pipeline 7, flow deflectors 4 are arranged at the inlet of the branch air supply pipeline 5, the branch air supply pipelines 5 are symmetrically distributed on two sides of the main air supply pipeline 7, the branch air supply pipelines 5 are arranged in parallel and have the same included angle with the symmetrical line of the main air supply pipeline 7, the tail ends of the branch air supply pipelines 5 are air supply outlets 3, and the air return inlets 1 are arranged on the side wall of the airplane cabin 2.
As shown in fig. 2 and 3, the bleed air in the supply ducts is evenly conveyed via the main supply duct 7 to the branch supply ducts 5, the shape of the air guide device is designed to ensure that the air guide can be evenly divided, the projection of the protruding part of the initial position of each branch air supply pipeline 5 in the horizontal direction is just coincided with the projection of the main air supply pipeline 7 in the horizontal direction, the air guide of the main air supply pipeline 7 can be completely sent into the branch air supply pipelines 5, secondly, the projection distances of all the adjacent branch air supply pipelines 5 in the horizontal direction are all equal, so that the bleed air can be uniformly transmitted to the branch air supply pipelines 5 through the main air supply pipeline 7, the parts protruding from the initial positions are arranged in the main air supply pipeline 7 in a V shape, the flow velocity of the air entraining can not be attenuated when the air entraining device can evenly distribute the flow, and the speed and the flow of each air supply outlet are ensured to be equal.
A method of using an air curtain for an aircraft cabin may include the steps of:
1) the exhaust fan 6 is started, and bleed air enters the main air supply pipeline 7;
2) the bleed air is accelerated by an exhaust fan 6 and is conveyed to the inlet of each branch air supply pipe 5;
3) the bleed air enters a branch air supply pipeline 5 through the drainage of the flow deflector 4 and is conveyed to an air supply outlet 3;
4) bleed air is discharged through the air supply ports 3 of the branch air supply pipelines 5, and the outlet is forward downward to form an air curtain;
5) the bleed air constituting the air curtain enters the return air inlet 1 of the side wall of the passenger cabin.
Claims (3)
1. An apparatus for preventing intermixing of air streams within a passenger cabin of an aircraft, comprising: the method comprises the following steps that a plurality of transverse wind curtains are arranged in the aircraft cabin from the top of the cabin downwards to divide the aircraft cabin into a plurality of relatively independent gas spaces, and the wind curtains are formed by the following structures:
the main air supply pipeline (7) is arranged in the longitudinal center of the upper plate of the aircraft cabin, a plurality of rows of left and right supercharging fans (6) which are symmetrically distributed and have opposite rotation directions are arranged on the main air supply pipeline (7), the main air supply pipeline is vertically and downwards discharged from an air outlet (3) at the corresponding position of the top through a branch air supply pipe (5) which is obliquely arranged towards two sides in the middle, and air is sucked into the main air supply pipeline (7) above the air return port (1) on the side wall of the aircraft cabin.
2. An arrangement for preventing intermixing of air streams in an aircraft passenger cabin according to claim 1, characterized in that: the branch air supply pipe (5) is formed by a flow deflector (4) at intervals and guiding, and the flow deflector (4) is formed by connecting a long rectangular strip A plate and a B plate with an arc at a position close to an air inlet;
the A plate is inserted into a U-shaped sliding groove fixed on an upper plate of an airplane cabin, the B plate is connected to the A plate in a long hole bolt mode, and the area of an air inlet of the branch air supply pipe (5) can be changed by changing the connection position of the long holes.
3. An arrangement for preventing intermixing of air streams in an aircraft passenger cabin according to claim 1, characterized in that: branch air supply pipes (5) formed by arranging a plurality of flow deflectors (4)) on the main air supply pipeline (7) in a V shape are supplied to the air outlets (1), the sections of the branch air supply pipes (5) are equal, and the distances between the transverse rows of the air outlets (1) are consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110125915.5A CN112874792A (en) | 2021-01-29 | 2021-01-29 | Device for preventing air flow in aircraft passenger cabin from mixing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110125915.5A CN112874792A (en) | 2021-01-29 | 2021-01-29 | Device for preventing air flow in aircraft passenger cabin from mixing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112874792A true CN112874792A (en) | 2021-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110125915.5A Pending CN112874792A (en) | 2021-01-29 | 2021-01-29 | Device for preventing air flow in aircraft passenger cabin from mixing |
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| CN (1) | CN112874792A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114291269A (en) * | 2022-01-25 | 2022-04-08 | 中国商用飞机有限责任公司 | Negative pressure isolation system for vehicle cabin |
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| JP2008125689A (en) * | 2006-11-20 | 2008-06-05 | Fuji Electric Retail Systems Co Ltd | Showcase |
| CN101378958A (en) * | 2006-02-03 | 2009-03-04 | 空中客车德国有限公司 | Air conditioning arrangement for an aircraft with a plurality of climate zones that may be individually temperature-controlled |
| CN103968513A (en) * | 2014-04-28 | 2014-08-06 | 重庆大学 | Local air supply system based on bed |
| CN109250121A (en) * | 2017-07-13 | 2019-01-22 | 中国航空工业集团公司西安飞机设计研究所 | A kind of civil aircraft main cabin air-supply mouth structure |
| US20200140093A1 (en) * | 2018-11-05 | 2020-05-07 | The Boeing Company | Systems and methods for limiting infiltration of cabin air into the flight deck of an aircraft |
| CN210793178U (en) * | 2019-08-30 | 2020-06-19 | 比亚迪股份有限公司 | Air supply pipeline and rail vehicle |
| CN111361744A (en) * | 2020-03-11 | 2020-07-03 | 天津大学 | Ventilation system for air supply along aircraft cabin passageway |
-
2021
- 2021-01-29 CN CN202110125915.5A patent/CN112874792A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101378958A (en) * | 2006-02-03 | 2009-03-04 | 空中客车德国有限公司 | Air conditioning arrangement for an aircraft with a plurality of climate zones that may be individually temperature-controlled |
| JP2008125689A (en) * | 2006-11-20 | 2008-06-05 | Fuji Electric Retail Systems Co Ltd | Showcase |
| CN103968513A (en) * | 2014-04-28 | 2014-08-06 | 重庆大学 | Local air supply system based on bed |
| CN109250121A (en) * | 2017-07-13 | 2019-01-22 | 中国航空工业集团公司西安飞机设计研究所 | A kind of civil aircraft main cabin air-supply mouth structure |
| US20200140093A1 (en) * | 2018-11-05 | 2020-05-07 | The Boeing Company | Systems and methods for limiting infiltration of cabin air into the flight deck of an aircraft |
| CN210793178U (en) * | 2019-08-30 | 2020-06-19 | 比亚迪股份有限公司 | Air supply pipeline and rail vehicle |
| CN111361744A (en) * | 2020-03-11 | 2020-07-03 | 天津大学 | Ventilation system for air supply along aircraft cabin passageway |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114291269A (en) * | 2022-01-25 | 2022-04-08 | 中国商用飞机有限责任公司 | Negative pressure isolation system for vehicle cabin |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210601 |
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| RJ01 | Rejection of invention patent application after publication |