CN114802770A - Ventilating system and method for embedded return air of aircraft seat - Google Patents
Ventilating system and method for embedded return air of aircraft seat Download PDFInfo
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- CN114802770A CN114802770A CN202210186807.3A CN202210186807A CN114802770A CN 114802770 A CN114802770 A CN 114802770A CN 202210186807 A CN202210186807 A CN 202210186807A CN 114802770 A CN114802770 A CN 114802770A
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000009423 ventilation Methods 0.000 claims abstract description 30
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 4
- 238000004378 air conditioning Methods 0.000 claims description 11
- 238000004064 recycling Methods 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims 1
- 208000015181 infectious disease Diseases 0.000 abstract description 4
- 230000002458 infectious effect Effects 0.000 abstract description 3
- 244000052616 bacterial pathogen Species 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 241000711573 Coronaviridae Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
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Classifications
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- 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
- B64D11/00—Passenger or crew accommodation; Flight-deck installations not otherwise provided for
- B64D11/06—Arrangements of seats, or adaptations or details specially adapted for aircraft seats
- B64D11/0626—Arrangements of seats, or adaptations or details specially adapted for aircraft seats with individual temperature or ventilation control
-
- 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
- B64D2013/0625—Environmental Control Systems comprising means for distribution effusion of conditioned air in the cabin
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- 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
- B64D2013/064—Environmental Control Systems comprising more than one system, e.g. dual systems
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- 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
-
- 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
- B64D2013/0688—Environmental Control Systems with means for recirculating cabin air
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention relates to the field of ventilation of an aircraft air conditioner and a low-pressure air pipeline, and provides a ventilation system and a method for embedded return air of an aircraft seat, wherein the system comprises a return air pipeline, a transverse pipeline, a floor air outlet, an air conditioner recirculation unit, an air supply outlet and a control unit; the bottom of the air return pipeline is provided with an air draft device; the control unit controls the air conditioner recirculation unit and the air draft device; the system also comprises a pressure sensor arranged on the seat, and the pressure sensor is in signal connection with the control unit. The air exhaled by passengers enters the air return pipeline under the action of the air draft device, enters the air conditioner recirculation unit through the transverse pipeline and the floor air outlet, completes disinfection, temperature regulation and humidity regulation, and the treated air is sent into the cabin through the air supply outlet. According to the invention, the embedded air return pipelines are arranged at the backs of all passenger seats, and each seated passenger has an independent air return path, so that the spread range of the exhaust gas breathed by the passenger in the passenger cabin space is greatly reduced, and the spreading of infectious germs in the passenger cabin is prevented.
Description
Technical Field
The invention relates to the field of ventilation of an aircraft air conditioner and a low-pressure air pipeline, in particular to a ventilation system and a method for embedded return air of an aircraft seat.
Background
With the development of economy, an airplane is developing into an important transportation mode, and the airplane provides a proper air environment including the temperature, humidity, flow rate, pressure and the like of air for the airplane through an environment control system, so that the comfort level of passengers in a passenger cabin is ensured. In recent years, respiratory viruses, particularly high-infectivity coronavirus can be transmitted through air, so that passengers can be infected, and the phenomenon makes more and more attention paid to the improvement of the air quality of a passenger cabin. At present, a ventilation path in the passenger plane is used for supplying air from one side of the passenger cabin and returning air from the other side of the passenger cabin, the return air path is wide, particularly for adjacent seats, the exhaled air of a single passenger is very easy to diffuse, and researches show that the probability of infection of the passengers sitting around an infected person is 80% -100%. Therefore, there is a great need for improved ventilation systems for passenger aircraft cabins.
In order to solve the problems in the existing ventilation system, the invention provides an embedded type return air ventilation system and a method for an aircraft seat. This ventilation system can provide solitary return air route for the passenger, has reduced the passenger and has breathed the propagation range of discharge gas in the main cabin space to prevent the spread of infectious germ in the main cabin, further promote main cabin air quality.
Disclosure of Invention
The invention aims to overcome at least one of the defects of the prior art, and provides an embedded type air return ventilation system and an embedded type air return ventilation method for an airplane seat, which realize the independent air return path of passengers in an airplane passenger cabin.
The invention adopts the following technical scheme:
on one hand, the invention provides an embedded type return air ventilation system of an airplane seat, which comprises a return air pipeline arranged at the back of the seat, a transverse pipeline arranged at the bottom of the seat, floor air outlets positioned at two sides of a machine body, an air conditioner recirculation unit, an air supply outlet and a control unit;
the air return pipeline is vertically arranged, and an air return opening of the air return pipeline is arranged at the upper part of the back of the seat and is opposite to the head of a passenger in a sitting state; the bottom of the return air pipeline is communicated with the transverse pipeline; the transverse pipeline is connected with the floor air outlets on two sides of the cabin of the fuselage, the floor air outlets are connected with the input end of the air-conditioning recirculation unit, and the output end of the air-conditioning recirculation unit is connected with the air supply outlet;
the bottom of the air return pipeline is provided with an air draft device used for generating negative pressure in the air return pipeline; the control unit is used for controlling the air conditioner recirculation unit and the air draft device.
Any one of the above possible implementations further provides an implementation, wherein the system further comprises a pressure sensor disposed on the seat, the pressure sensor being in signal connection with the control unit; when the pressure sensor detects that the seat pressure exceeds a set threshold value, the control unit controls the air exhaust device to be started.
Any of the possible implementations described above further provides an implementation in which the air extraction device is a small exhaust fan.
Any of the above possible implementations further provides an implementation in which the air return duct is embedded in the seat back and conforms to the curvature of the seat back.
Any one of the above possible implementation manners further provides an implementation manner, wherein a plurality of the return air pipelines are arranged on each seat back portion, so that the ventilation effect is better.
In any of the above possible implementation manners, there is further provided an implementation manner that the bottom of the return air pipeline is flexibly connected to the transverse pipeline, so as to meet the requirement that the angle of the seat back needs to be adjusted continuously.
In any of the above possible implementations, there is further provided an implementation in which the floor air outlets are disposed on a floor adjacent to a wall of the aircraft cabin, and are evenly arranged along a longitudinal direction of the aircraft fuselage.
Any of the possible implementations described above further provides an implementation in which the supply air outlet is disposed at the front upper side of the seat (obliquely above the top of the passenger seat).
In another aspect, the present invention further provides a ventilation method for aircraft seat embedded return air, which uses the ventilation system for aircraft seat embedded return air, and the method includes:
s1, monitoring the pressure value on the seat by the pressure sensor, and transmitting the pressure value to the control unit; when the pressure value exceeds a set threshold value, determining that a passenger is on the seat; when the pressure value is smaller than a set threshold value, judging that no passenger is on the seat; when the pressure value exceeds a set threshold value, the control unit sends a control instruction, and an air draft device of a corresponding seat back air return pipeline is started to operate;
s2, enabling the air exhaled by the passenger to enter a corresponding air return pipeline positioned at the back of the seat at the front of the passenger, entering a transverse pipeline under the action of an air draft device positioned at the bottom of the air return pipeline, entering an air conditioning and recycling unit through a floor air outlet, completing the disinfection, temperature regulation and humidity regulation of the air in the air conditioning and recycling unit, and sending the treated air into an aircraft cabin through an air supply outlet.
In any of the above possible implementations, there is further provided an implementation that the number of the return air pipes provided on each seat back may be several, for example, 3, and a plurality of return air inlets are formed for returning air.
In another aspect, the invention further provides an aircraft seat, and the aircraft seat is provided with the aircraft seat embedded return air ventilation system.
On the other hand, the invention also provides an aircraft which is provided with the aircraft seat embedded return air ventilation system.
The invention has the beneficial effects that: according to the invention, the embedded air return pipelines are arranged at the backs of all passenger seats, and except the first row, all passengers sitting on the seats have independent air return paths, so that the transmission range of the exhausted air breathed by the passengers in the passenger cabin space is greatly reduced, and the spread of infectious germs in the passenger cabin is prevented; and a pressure sensor is arranged on each seat, and the corresponding air return pipeline is started only after the passengers are detected to be in place, so that the air-conditioning return air energy optimization under the condition of various passenger carrying capacities of the airplane is adapted.
Drawings
Fig. 1 is a schematic diagram showing a relative position relationship between a passenger's head and a return air inlet of a return air duct in the embodiment.
FIG. 2 is a schematic view of the connection between the return air pipe and the transverse pipe in the embodiment.
Fig. 3 is a schematic diagram illustrating the installation position of the exhaust fan in the return air duct according to the embodiment.
FIG. 4 is a schematic view showing the arrangement position of the (cabin) floor air outlet in the embodiment.
Fig. 5 is a schematic view showing the arrangement position of the air supply opening in the embodiment.
FIG. 6 is a schematic view showing the flow of exhaust gas in the embodiment.
In the figure: 1-an air supply outlet; 2-air return pipeline; 3-horizontal pipeline; 4-air outlet of the horizontal pipeline; 5-floor air outlet.
Detailed Description
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that technical features or combinations of technical features described in the following embodiments should not be considered as being isolated, and they may be combined with each other to achieve better technical effects. In the drawings of the embodiments described below, the same reference numerals appearing in the respective drawings denote the same features or components, and may be applied to different embodiments.
The invention embodiment relates to an embedded type return air ventilation system of an airplane seat, which comprises a return air pipeline 2 arranged at the back of the seat, a transverse pipeline 3 arranged at the bottom of the seat, floor air outlets 5 positioned at two sides of a machine body, an air conditioner recirculation unit, an air supply outlet 1 and a control unit; the air return pipeline 2 is vertically arranged, and an air return opening of the air return pipeline 2 is arranged at the upper part of the seat back part and is opposite to the head of a passenger in a sitting state; the bottom of the return air pipeline 2 is communicated with the transverse pipeline 3; the transverse pipeline 3 is connected with the floor air outlets 5 on two sides of the cabin of the fuselage, the floor air outlets 5 are connected with the input end of the air-conditioning recirculation unit, and the output end of the air-conditioning recirculation unit is connected with the air supply outlet 1; the bottom of the return air pipeline 2 is provided with an air draft device for generating negative pressure in the return air pipeline 2; the control unit is used for controlling the air conditioner recirculation unit and the air draft device.
In a specific embodiment, the system further comprises a pressure sensor arranged on the seat, and the pressure sensor is in signal connection with the control unit; when the pressure sensor detects that the seat pressure exceeds a set threshold value, the control unit controls the air draft device to be started
In one embodiment, the air return pipeline 2 is embedded in the chair back of each chair, and the air return opening of the air return pipeline 2 is positioned on the chair back and is opposite to the head of the passenger in a sitting state, as shown in fig. 1.
In one embodiment, the return air pipe 2 embedded in the chair back is consistent with the radian of the chair back, the tail end of the return air pipe 2 is connected with a transverse pipe 3 below the chair, and the return air is collected to the air outlets 5 on the floors on two sides of the cabin of the airplane body through the transverse pipe 3, as shown in fig. 2.
In one embodiment, a small exhaust fan is disposed at the end of the air return pipeline 2, and is located below the seat, and the exhaust fan sucks the exhaled air of the passenger into the air return pipeline 2 and discharges the exhaled air into the transverse pipeline 3, as shown in fig. 3.
In one embodiment, the floor vents 5 are arranged in the floor close to the bulkhead, and are evenly arranged along the longitudinal direction of the fuselage. The floor air outlet 5 is connected to an air exhaust duct below the floor to exhaust the cabin exhaust air into the air exhaust duct and into the air conditioner recirculation system unit. The arrangement of the floor vents 5 is shown in figure 4.
In one embodiment, the air supply opening 1 is arranged in the front upper part of the seat, namely obliquely above the top of the passenger seat, as shown in fig. 5.
The embodiment of the invention provides a ventilation method of embedded return air of an aircraft seat, which uses the ventilation system of the embedded return air of the aircraft seat and comprises the following steps:
s1, monitoring the pressure value on the seat by the pressure sensor, and transmitting the pressure value to the control unit; when the pressure value exceeds a set threshold value, determining that a passenger is on the seat; when the pressure value is smaller than a set threshold value, judging that no passenger is on the seat; when the pressure value exceeds a set threshold value, the control unit sends a control instruction, and the corresponding air draft device of the seat back air return pipeline 2 is started to operate;
s2, enabling air exhaled by a passenger to enter the corresponding air return pipeline 2 positioned on the back of the seat in front of the passenger, entering the transverse pipeline 3 under the action of the air draft device positioned at the bottom of the air return pipeline 2, entering the air conditioning and recycling unit through the floor air outlet 5, completing the disinfection, temperature regulation and humidity regulation of the air in the air conditioning and recycling unit, and sending the treated air into the aircraft cabin through the air supply outlet 1.
The exhaust gas flows as shown in fig. 5 and 6.
The air supply port 1 is a ventilation pipeline 2 and is positioned above the top of a passenger seat in an inclined manner, and air provided by an air conditioner recirculation unit (a refrigeration temperature control system) enters a passenger cabin through the air supply port 1 to provide fresh air for passengers.
The air return inlet of the seat embedded type air return pipeline 2 is used for allowing air exhaled by passengers to enter the air return pipeline 2 through the air return inlet. Based on the demand of the volume of airing exhaust, under the condition of considering the seat size, can set up many return air pipelines 2, form a plurality of return air inlets and carry out the return air.
3 is a transverse pipeline 3 integrated into the seat, and the air expired by the passengers enters the transverse pipeline 3 through the return air pipeline 2. The transverse pipeline 3 is connected with the air return pipeline 2 in the chair back, and the return air in all the air return pipelines 2 of the row of the chairs is collected.
4 is an air outlet of the transverse pipeline 3, and the air in the transverse pipeline 3 is exhausted to the floor of the passenger through the air outlet 4
5 is a cabin floor air outlet, and the air discharged by the transverse pipeline 3 enters an air exhaust pipeline through the transverse pipeline 5 so as to enter a recirculation unit of the air conditioner.
While several embodiments of the present invention have been presented herein, it will be appreciated by those skilled in the art that changes may be made to the embodiments herein without departing from the spirit of the invention. The above examples are merely illustrative and should not be taken as limiting the scope of the invention.
Claims (10)
1. An embedded type return air ventilation system for an aircraft seat is characterized by comprising a return air pipeline arranged at the back of the seat, a transverse pipeline arranged at the bottom of the seat, floor air outlets positioned at two sides of a machine body, an air conditioner recirculation unit, an air supply outlet and a control unit;
the air return pipeline is vertically arranged, and an air return opening of the air return pipeline is arranged at the upper part of the seat back part; the bottom of the return air pipeline is communicated with the transverse pipeline; the transverse pipeline is connected with the floor air outlet, the floor air outlet is connected with the input end of the air conditioner recirculation unit, and the output end of the air conditioner recirculation unit is connected with the air supply outlet;
the bottom of the air return pipeline is provided with an air draft device used for generating negative pressure in the air return pipeline; the control unit is used for controlling the air conditioner recirculation unit and the air draft device.
2. An aircraft seat in-line return air ventilation system as defined in claim 1, further comprising a pressure sensor disposed in the seat, said pressure sensor being in signal communication with said control unit; when the pressure sensor detects that the seat pressure exceeds a set threshold value, the control unit controls the air exhaust device to be started.
3. An aircraft seat return air plenum as in claim 1 wherein said air extractor is an exhaust fan.
4. An aircraft seat embedded return air ventilation system as defined in claim 1, wherein said return duct is embedded in the seat back and conforms to the curvature of the seat back.
5. An aircraft seat return air ventilation system as defined in claim 1 wherein a plurality of said return air ducts are provided for each seat back.
6. An aircraft seat return air ventilation system as defined in claim 1, wherein the bottom of said return air duct is flexibly connected to said cross duct.
7. An aircraft seat embedded return air ventilation system as defined in claim 1, wherein said floor air outlets are provided in the floor adjacent to the wall of the aircraft cabin, and are arranged uniformly in the longitudinal direction of the aircraft fuselage; the air supply outlet is arranged at the front upper part of the seat.
8. A method of ventilating aircraft seat embedded return air using the ventilation system for aircraft seat embedded return air of any one of claims 2 to 7, the method comprising:
s1, monitoring a pressure value on the seat by the pressure sensor, and transmitting the pressure value to the control unit; when the pressure value exceeds a set threshold value, determining that a passenger is on the seat; when the pressure value is smaller than a set threshold value, judging that no passenger is on the seat; when the pressure value exceeds a set threshold value, the control unit sends a control instruction, and an air draft device of a corresponding seat back air return pipeline is started to operate;
s2, enabling the air exhaled by the passenger to enter a corresponding air return pipeline positioned at the back of the seat at the front of the passenger, entering a transverse pipeline under the action of an air draft device positioned at the bottom of the air return pipeline, entering an air conditioning and recycling unit through a floor air outlet, completing the disinfection, temperature regulation and humidity regulation of the air in the air conditioning and recycling unit, and sending the treated air into an aircraft cabin through an air supply outlet.
9. An aircraft seat fitted with an aircraft seat in-dash return air ventilation system as claimed in any one of claims 1 to 7.
10. An aircraft having an aircraft seat embedded return air ventilation system as claimed in any one of claims 1 to 7 installed therein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210186807.3A CN114802770A (en) | 2022-02-28 | 2022-02-28 | Ventilating system and method for embedded return air of aircraft seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210186807.3A CN114802770A (en) | 2022-02-28 | 2022-02-28 | Ventilating system and method for embedded return air of aircraft seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114802770A true CN114802770A (en) | 2022-07-29 |
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ID=82528684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210186807.3A Pending CN114802770A (en) | 2022-02-28 | 2022-02-28 | Ventilating system and method for embedded return air of aircraft seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114802770A (en) |
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2022
- 2022-02-28 CN CN202210186807.3A patent/CN114802770A/en active Pending
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