CN217416117U - Ventilation system, seat and aircraft of embedded return air of aircraft seat - Google Patents

Ventilation system, seat and aircraft of embedded return air of aircraft seat Download PDF

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Publication number
CN217416117U
CN217416117U CN202220414671.2U CN202220414671U CN217416117U CN 217416117 U CN217416117 U CN 217416117U CN 202220414671 U CN202220414671 U CN 202220414671U CN 217416117 U CN217416117 U CN 217416117U
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China
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air
seat
return
aircraft
pipeline
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CN202220414671.2U
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Chinese (zh)
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白璐
夏明�
王赟
汲生成
扈静泽
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Commercial Aircraft Corp of China Ltd
Beijing Aeronautic Science and Technology Research Institute of COMAC
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Commercial Aircraft Corp of China Ltd
Beijing Aeronautic Science and Technology Research Institute of COMAC
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/50—On board measures aiming to increase energy efficiency

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Abstract

The utility model relates to the field of aircraft air conditioner ventilation and low-pressure air pipelines, and provides a ventilation system for embedded return air of an aircraft seat, a seat and an aircraft, 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. The utility model discloses at the embedded return air duct of all passenger seat back installations, every passenger just sat all has solitary return air route, reduces the passenger by a wide margin and breathes the propagation range of exhaust in the main cabin, prevents that infectious germ from spreading in the main cabin.

Description

Ventilation system, seat and aircraft of embedded return air of aircraft seat
Technical Field
The utility model relates to an aircraft air conditioner ventilates and low pressure air pipeline field, in particular to ventilation system, seat and aircraft of embedded return air of 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 highly infectious coronavirus such as novel coronavirus can be transmitted through air, so that passengers can be infected, and the phenomenon makes the improvement of the air quality of a passenger cabin more and more important. 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 problem in the existing ventilation system, the utility model provides a ventilation system and a method of embedded return air of 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.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming one of prior art's not enough at least, providing a ventilation system, seat and the aircraft of the embedded return air of aircraft seat, realizing aircraft passenger cabin passenger's independent return air route, the utility model is used for the reduction passenger breathes the propagation range of exhaust gas in the main cabin space, prevents the diffusion of infectious germ in the main cabin.
The utility model adopts the following technical scheme:
on one hand, the utility model provides an embedded ventilation system of return air of aircraft 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 the 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 draft 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 any of the above possible implementation manners, there is further provided an implementation manner that each seat back is provided with 3 return air pipes, and a plurality of return air inlets are formed for returning air.
On the other hand, the utility model also provides an aircraft seat, aircraft seat installs the ventilation system of the embedded return air of foretell aircraft seat.
On the other hand, the utility model also provides an aircraft installs the ventilation system of the embedded return air of foretell aircraft seat.
Utilize the utility model discloses a ventilation method of embedded return air of aircraft seat uses the ventilation system of the embedded return air of foretell aircraft seat, 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.
The utility model has the advantages that: the utility model installs embedded return air pipelines at the back of all passenger seats, and all passengers sitting on the seats except the first row have independent return air paths, thereby greatly reducing the spread range of the exhausted gas breathed by the passengers in the space of the passenger cabin and preventing the spread of infectious germs in the passenger cabin; 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 embodiment of the utility model provides a ventilation system of embedded return air of aircraft seat, including the return air pipeline 2 that sets up in the seat back, set up the horizontal pipeline 3 in the seat bottom, be located the floor air exit 5 of fuselage both sides, air conditioner recirculation unit, supply-air outlet 1 and the 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.
Use the utility model discloses a ventilation method of embedded return air of aircraft seat uses the ventilation system of the embedded return air of foretell aircraft seat, 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 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 exhaled 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 discharging pipeline through the 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 can be made to the embodiments herein without departing from the spirit of the invention. The above-described embodiments are merely exemplary 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 ventilation system as defined 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 the aircraft cabin wall and are evenly spaced longitudinally along the aircraft fuselage.
8. An aircraft seat return air ventilation system as defined in claim 1 wherein said supply air outlet is located above and forward of the seat.
9. An aircraft seat fitted with an aircraft seat in-dash return air ventilation system as claimed in any one of claims 1 to 8.
10. An aircraft having an aircraft seat embedded return air ventilation system as claimed in any one of claims 1 to 8 installed therein.
CN202220414671.2U 2022-02-28 2022-02-28 Ventilation system, seat and aircraft of embedded return air of aircraft seat Active CN217416117U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220414671.2U CN217416117U (en) 2022-02-28 2022-02-28 Ventilation system, seat and aircraft of embedded return air of aircraft seat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220414671.2U CN217416117U (en) 2022-02-28 2022-02-28 Ventilation system, seat and aircraft of embedded return air of aircraft seat

Publications (1)

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CN217416117U true CN217416117U (en) 2022-09-13

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