CN220374512U - Passenger room air supply system suitable for urban railway vehicle - Google Patents
Passenger room air supply system suitable for urban railway vehicle Download PDFInfo
- Publication number
- CN220374512U CN220374512U CN202321902227.6U CN202321902227U CN220374512U CN 220374512 U CN220374512 U CN 220374512U CN 202321902227 U CN202321902227 U CN 202321902227U CN 220374512 U CN220374512 U CN 220374512U
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- Prior art keywords
- air
- air duct
- duct
- air supply
- vehicle
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- 238000004378 air conditioning Methods 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 230000003068 static effect Effects 0.000 claims description 15
- 230000002706 hydrostatic effect Effects 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
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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
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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- Air-Conditioning For Vehicles (AREA)
Abstract
The utility model provides a passenger room air supply system suitable for urban railway vehicles.A left air conditioning unit and a right air conditioning unit on a roof are asymmetrically arranged in the length direction of the vehicle by taking the central line of the vehicle body as a reference, the bottoms of two ends of each air conditioning unit are respectively provided with an air supply opening, and the air supply openings are respectively sealed with four openings on the outer part of the roof by adopting first sealing rubber strips; the inner side of the vehicle roof is provided with a first air duct, a second air duct, a third air duct and a fourth air duct, and each air delivery duct is an independent unit; the lower sides of the four roof external openings are respectively connected with a first air channel top interface, a second air channel top interface, a third air channel top interface and a fourth air channel top interface, and are sealed by a second sealing rubber strip, and air supply enters the first air channel, the second air channel, the third air channel and the fourth air channel from an air conditioner air supply outlet through the four roof external openings. The utility model adopts four sections of independent air delivery duct structures, and can meet the air delivery uniformity requirement of each area in the vehicle.
Description
Technical Field
The utility model belongs to the technical field of railway vehicle manufacturing, and particularly relates to a passenger room air supply system suitable for urban railway vehicles.
Background
In order to meet the demand of urban rail transit passenger traffic, two unit air conditioning units are arranged on the roof of an urban railway vehicle. When other equipment is arranged on the roof of the vehicle, the two air conditioning units cannot be symmetrically arranged in the vehicle length direction, so that the positions of air supply outlets of the air conditioning units are also asymmetric, the air supply channels of the urban railway vehicle are generally arranged in the whole vehicle length, and an installation interface is arranged between each two air supply channels to enable the air supply channels to be communicated. In order to ensure uniform air supply in each area in the vehicle, a passenger room air supply system suitable for urban railway vehicles is designed.
Disclosure of Invention
The utility model aims to solve the problems that two air conditioning units of an urban railway vehicle cannot be symmetrically arranged in the length direction of the vehicle and air supply uniformity of each area in the vehicle cannot be guaranteed, so that a passenger room air supply system suitable for the urban railway vehicle is provided, the arrangement is reasonable, and the air supply uniformity of each area in the vehicle is guaranteed.
In order to achieve the aim, the utility model provides a passenger room air supply system suitable for an urban railway vehicle, wherein a left air conditioning unit and a right air conditioning unit on a roof are asymmetrically arranged in the length direction of the vehicle by taking the central line of the vehicle body as a reference, air supply openings are respectively arranged at the bottoms of two ends of each air conditioning unit, and the air supply openings are respectively sealed with four openings on the outer part of the roof by adopting first sealing rubber strips; the inner side of the vehicle roof is provided with a first air duct, a second air duct, a third air duct and a fourth air duct, and each air delivery duct is an independent unit; the first air channel is provided with a first air channel top interface, the second air channel is provided with a second air channel top interface, the third air channel is provided with a third air channel top interface, the fourth air channel is provided with a fourth air channel top interface, the lower sides of four roof external openings are respectively connected with the first air channel top interface, the second air channel top interface, the third air channel top interface and the fourth air channel top interface, the second sealing rubber strip is adopted for sealing a periphery, and air supply enters the first air channel, the second air channel, the third air channel and the fourth air channel from an air conditioner air supply outlet through the four roof external openings respectively; the first air channel, the second air channel, the third air channel and the fourth air channel are uniformly distributed in the vehicle length direction, and the lower side of the first air channel, the second air channel, the third air channel and the fourth air channel are connected with a passenger room air supply grid.
Further, the first air channel, the second air channel, the third air channel and the fourth air channel are respectively divided into a middle main air channel cavity and static pressure cavities at two sides, the transverse section of the middle main air channel cavity is square, a gradual change structural form is adopted in the longitudinal direction of the vehicle body, and the section from the top interface of the air channel to the end part of the air channel is gradually reduced.
Further, the section of the hydrostatic cavity is right trapezoid, and the upper side face of the hydrostatic cavity is inclined downwards towards the direction outside the vehicle.
Further, the outer sides of the air duct hydrostatic cavities are fixedly connected to the slide ways on the lower side of the vehicle roof through brackets 17, and the positions of the suspended ceilings of the brackets 17 on the two sides of the air duct hydrostatic cavities are the same.
Further, the first air duct and the second air duct are connected with the air supply outlets at the two ends of the left air conditioning unit, the first air duct and the second air duct respectively extend to the left from the positions of the air supply outlets, the third air duct and the fourth air duct are connected with the air supply outlets at the two ends of the right air conditioning unit, and the third air duct and the fourth air duct respectively extend to the two sides from the positions of the air supply outlets.
The passenger room air supply system adopts a four-section independent air supply duct structure with basically the same length, the bottom of the hydrostatic cavities at two sides of each section of air duct is provided with the air duct air supply opening, the air supply openings are bilaterally symmetrical in the width direction of the vehicle, and meanwhile, the air supply openings are basically arranged from one end to the other end of the vehicle in the length direction of the vehicle, and the air supply quantity of each air duct is the same, so that the air supply uniformity requirement of each area in the vehicle can be realized. Meanwhile, the positions of the suspended ceilings of the brackets of all the air channels are the same, and each air channel is an independent unit, so that no interface relation limitation exists between the air channels, the air channel installation only needs to meet the alignment requirement and the height limitation requirement of the air channel with the opening of the vehicle body, and the air channel is convenient to install.
Drawings
FIG. 1 is a schematic diagram of an air conditioning unit layout;
FIG. 2 is a schematic view of a bottom supply port of an air conditioning unit;
FIG. 3 is a schematic diagram of an air supply system;
FIG. 4 is a top view of the air delivery system (with roof removed);
FIG. 5 is a schematic diagram of the mounting relationship and air supply principle of the air supply system (the position of the air supply port of the unit);
FIG. 6 is a schematic diagram of the cross-sectional mounting relationship and air supply principle of an air supply system (the position of an air supply grille of a passenger room);
FIG. 7 is a schematic top view of the air supply system;
FIG. 8 is a diagram of a bottom supply port of the air supply system;
wherein: 1. an air conditioning unit; 2. a vehicle body center line; 3. a first air duct; 4. a second air duct; 5. a third air duct; 6. a fourth air duct; 7. a first air duct top interface; 8. a second air duct top interface; 9. a third air duct top interface; 10. a fourth air duct top interface; 11. a first sealing rubber strip; 12. a second sealing rubber strip; 13. an air duct bracket; 14. a main air duct cavity; 15. static pressure cavities at two sides; 16. an opening of the air duct static pressure cavity; 17. and (3) a bracket.
Detailed Description
In order to better understand the purpose, structure and function of the present utility model, a passenger compartment air supply system applicable to urban railway vehicles is described in further detail below with reference to the accompanying drawings.
Referring to fig. 1, the left and right air conditioning units 1 are arranged asymmetrically in the longitudinal direction of the vehicle based on the vehicle body center line 2 due to the arrangement of other devices on the vehicle roof. The air supply outlets 101 are arranged at the bottoms of the two ends of each air conditioning unit 1, and the specific positions are shown in fig. 2. The lower part of the air supply outlet is connected with an air duct, which comprises a first air duct 3, a second air duct 4, a third air duct 5 and a fourth air duct 6, wherein each air supply duct is an independent unit, and the lower side of each air supply duct is connected with a passenger room top plate grid.
Referring to fig. 4 and 5, an air duct of the air supply system is hung on a vehicle body by an air duct bracket 13. The air supply outlets 101 at two ends of the two air conditioning units are respectively sealed with the outer openings of the four roofs by adopting the first sealing rubber strips 11 in a circumferential manner. The first air duct 3 is provided with a first air duct top connector 7, the second air duct 4 is provided with a second air duct top connector 8, the third air duct 5 is provided with a third air duct top connector 9, the fourth air duct 6 is provided with a fourth air duct top connector 10, the lower sides of four roof external openings are respectively connected with the first air duct top connector 7, the second air duct top connector 8, the third air duct top connector 9 and the fourth air duct top connector 10, the second sealing rubber strip 12 is adopted for sealing, air supply enters the first air duct 3, the second air duct 4, the third air duct 5 and the fourth air duct 6 from the air conditioner air supply outlet 101 through four roof external openings respectively, and the first air duct 3, the second air duct 4, the third air duct 5 and the fourth air duct 6 are uniformly distributed in the vehicle length direction, and the lower sides are connected with a passenger room air supply grid.
Each duct is divided into a central main duct chamber 14 and two side hydrostatic chambers 15. In order to better introduce wind into the static pressure cavity, the transverse section of the main air channel cavity 14 in the middle is square, a gradual change structural form is adopted in the longitudinal direction of the vehicle body, the section from the air channel top interface to the air channel end part is gradually reduced, the wind speed at a position far from the air channel top interface is improved, and the wind can uniformly reach all the positions of the carriage. The section of the static pressure cavity 15 is right trapezoid, the upper side face of the static pressure cavity is inclined downwards towards the direction outside the vehicle, the wind speed of flowing air is increased, air supply enters the static pressure cavity through the main air duct cavity, and finally enters the room from the bottom opening of the static pressure cavity through the passenger room roof grid. The air flow direction in the air duct of the whole vehicle air supply system is shown in fig. 7, the first air duct 3 and the second air duct 4 are connected with air supply outlets at two ends of the left air conditioning unit on the figure, the first air duct 3 and the second air duct 4 respectively extend leftwards from the air supply outlet position, the third air duct 5 and the fourth air duct 6 are connected with air supply outlets at two ends of the right air conditioning unit on the figure, the third air duct 5 and the fourth air duct 6 respectively extend from the air supply outlet position to two sides, and the first air duct 3, the second air duct 4, the third air duct 5 and the fourth air duct 6 cover the inner area of a carriage.
The two sides of the static pressure cavity are fixedly connected to the slide way on the lower side of the vehicle roof through the brackets 17, the positions of the brackets 17 on the two sides of the static pressure cavity of all air channels are the same, and each air channel is an independent unit, so that no interface relation restriction exists between the air channels, the air channel installation only needs to meet the alignment requirement and the height restriction requirement with the opening of the vehicle body, and the air channels are convenient to install.
The air duct static pressure cavity opening 16 of the air supply system is arranged at the lower part of each static pressure cavity in a through length mode and corresponds to the top plate grid, and the air supply of each region with the through length of the passenger room is ensured.
Claims (5)
1. A passenger room air supply system suitable for urban railway vehicles is characterized in that: the left air conditioning unit (1) and the right air conditioning unit (1) on the roof are asymmetrically arranged in the length direction of the vehicle by taking the central line (2) of the vehicle body as a reference, the bottoms of the two ends of each air conditioning unit (1) are provided with air supply outlets (101), and the air supply outlets (101) are respectively sealed with the outer openings of the four roofs by adopting first sealing rubber strips (11) in a circumferential manner; the inner side of the vehicle roof is provided with a first air duct (3), a second air duct (4), a third air duct (5) and a fourth air duct (6), and each air delivery duct is an independent unit; the first air duct (3) is provided with a first air duct top interface (7), the second air duct (4) is provided with a second air duct top interface (8), the third air duct (5) is provided with a third air duct top interface (9), the fourth air duct (6) is provided with a fourth air duct top interface (10), the lower sides of four roof external openings are respectively connected with the first air duct top interface (7), the second air duct top interface (8), the third air duct top interface (9) and the fourth air duct top interface (10), the second sealing rubber strip (12) is adopted for sealing in a circle, and air supply enters the first air duct (3), the second air duct (4), the third air duct (5) and the fourth air duct (6) from an air conditioner air supply outlet (101) through the four roof external openings respectively; the first air duct (3), the second air duct (4), the third air duct (5) and the fourth air duct (6) are uniformly distributed in the vehicle length direction, and the lower side of the first air duct is connected with a passenger room air supply grid.
2. A passenger compartment air supply system for a city railway vehicle as set forth in claim 1, wherein: the air conditioner is characterized in that the first air duct (3), the second air duct (4), the third air duct (5) and the fourth air duct (6), each air duct is divided into a middle main air duct cavity (14) and two side static pressure cavities (15), the transverse section of the middle main air duct cavity (14) is square, a gradual change structural form is adopted in the longitudinal direction of the vehicle body, and the section from the top interface of the air duct to the end part of the air duct is gradually reduced.
3. A passenger compartment air supply system for a city railway vehicle as set forth in claim 2, wherein: the section of the static pressure cavity (15) is right trapezoid, and the upper side face of the static pressure cavity is inclined downwards towards the direction outside the vehicle.
4. A passenger compartment air supply system for a city railway vehicle as set forth in claim 2, wherein: the outer sides of the air duct hydrostatic cavities are fixedly connected to the slide ways on the lower side of the vehicle roof through brackets (17), and the positions of the brackets (17) on the two sides of the air duct hydrostatic cavities are the same.
5. A passenger compartment air supply system for a city railway vehicle as set forth in claim 1, wherein: the first air duct (3) and the second air duct (4) are connected with air supply outlets at two ends of the left air conditioning unit, the first air duct (3) and the second air duct (4) respectively extend to the left side from the position of the air supply outlets, the third air duct (5) and the fourth air duct (6) are connected with air supply outlets at two ends of the right air conditioning unit, and the third air duct (5) and the fourth air duct (6) respectively extend to two sides from the position of the air supply outlets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321902227.6U CN220374512U (en) | 2023-07-19 | 2023-07-19 | Passenger room air supply system suitable for urban railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321902227.6U CN220374512U (en) | 2023-07-19 | 2023-07-19 | Passenger room air supply system suitable for urban railway vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220374512U true CN220374512U (en) | 2024-01-23 |
Family
ID=89559166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321902227.6U Active CN220374512U (en) | 2023-07-19 | 2023-07-19 | Passenger room air supply system suitable for urban railway vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220374512U (en) |
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2023
- 2023-07-19 CN CN202321902227.6U patent/CN220374512U/en active Active
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