CN115556784A - Air supply and return system, carriage and rail vehicle - Google Patents
Air supply and return system, carriage and rail vehicle Download PDFInfo
- Publication number
- CN115556784A CN115556784A CN202211181663.9A CN202211181663A CN115556784A CN 115556784 A CN115556784 A CN 115556784A CN 202211181663 A CN202211181663 A CN 202211181663A CN 115556784 A CN115556784 A CN 115556784A
- Authority
- CN
- China
- Prior art keywords
- air
- return
- duct
- carriage
- exhaust
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D27/00—Heating, cooling, ventilating, or air-conditioning
- B61D27/009—Means for ventilating only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D1/00—Carriages for ordinary railway passenger traffic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
- B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
- B61D17/12—Roofs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D27/00—Heating, cooling, ventilating, or air-conditioning
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Transportation (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The embodiment of the application provides a return air supply system, a carriage and a railway vehicle, wherein the return air supply system comprises an air conditioning unit and an air duct, the air duct comprises an air supply duct, a return air exhaust shared air duct and an air return duct, the air supply duct is connected with a unit air supply outlet of the air conditioning unit, and the bottom of the air supply duct is provided with an air supply outlet; the air return and exhaust shared air duct is connected with a unit air return port and a unit waste air exhaust port of the air conditioning unit and is arranged in parallel with the air supply air duct; the return air pipeline is connected with a return air and exhaust air shared air duct, the lower end of the return air pipeline is provided with a return air inlet, and the return air inlet is used for extending to the position below a seat in the carriage along the side wall of the carriage. This application sets up the return air inlet in the position that carriage side wall bottom is close to the floor, makes to get back into again after the air intensive mixing in air and the carriage that looses from the roof and airs exhaust the sharing wind channel, returns to inside the sharing wind channel of airing exhaust and return air pipeline block the direct carriage that gets into of air conditioning unit noise in addition, has reduced the influence of air conditioning unit noise to passenger in the carriage.
Description
Technical Field
The application relates to the technical field of rail vehicles, in particular to a wind system, a carriage and a rail vehicle are sent back to.
Background
In rail vehicles, such as subways and high-speed railways, an air return system is an important component, and the air return system can send fresh air outside the vehicle into a carriage, extract turbid air in the carriage and process the turbid air by an air conditioning unit, so that the air in the carriage is kept fresh and cool, and the riding experience of passengers is improved.
Because the air supply and return functions are simultaneously realized in the air supply and return system, the air supply and the return need to be separated, and the mutual influence of the air supply and the return is avoided. At present, the air duct is arranged at the inner top of the carriage and comprises an air supply duct and an air return duct, the air conditioner unit at the top of the carriage sucks air outside the carriage and mixes the air with the air returned from the air return duct, then the air is sent into the carriage through the air supply duct, and the air inside the carriage enters the air return duct to be discharged out of the carriage or enter the air conditioner unit.
The air supply duct and the air return duct in the prior art are provided with air openings, air in the air supply duct can enter the carriage through the air openings, and air in the carriage can also enter the air return duct through the air openings. Because the air supply duct and the air return duct are both positioned at the top of the carriage and are close to each other, the distances between the air outlets on the air supply duct and the air return duct are also close to each other, so that the air flowing out of the air supply duct can directly enter the air return duct, and the expected air mixing effect cannot be achieved. Moreover, the air inlet on the return air duct is usually over against the opening on the carriage, so that the noise of the air conditioning unit can be directly transmitted into the carriage through the return air duct and the air inlet, and the riding experience at the air inlet of the return air duct is poor.
Disclosure of Invention
In order to solve one of the technical defects, the embodiment of the application provides a return air system, a carriage and a rail vehicle.
According to a first aspect of the embodiments of the present application, there is provided a return air system, including:
an air conditioning unit;
wind channel for set up on the interior top surface in carriage, the wind channel includes:
the air supply duct is connected with an air supply outlet of the air conditioning unit and extends along the length direction of the air duct, and the bottom of the air supply duct is provided with an air supply outlet;
the air return and exhaust shared air duct is respectively connected with a unit air return port and a unit exhaust air outlet of the air conditioning unit and is arranged in parallel with the air supply air duct;
the air return pipeline is connected with the air return pipeline through a common air duct for air return and exhaust, the lower end of the air return pipeline is provided with an air return opening, and the air return opening is used for extending to the position below a seat in the carriage along the side wall of the carriage.
According to a second aspect of the embodiments of the present application, there is provided a car including a roof, side walls, a floor, and a side roof, wherein the above-mentioned return air system is disposed in the car, and the return air pipeline is disposed in the side walls and the side roof.
According to a third aspect of the embodiments of the present application, there is provided a railway vehicle comprising a plurality of the above-described cars.
Adopt the return air system that provides in the embodiment of this application, carriage and rail vehicle have following advantage:
1. and circulating the surrounding airflow. Fresh air is conveyed into the carriage through the top plate, and after passing through passengers, return air and exhaust air pass through the side walls from bottom to top, so that cold energy (heat in winter) carried in the air can be rapidly and uniformly distributed into the inner space of the carriage. The cold quantity/heat quantity can be fully utilized, the temperature difference between the upper part and the lower part of the carriage is small, and the uniformity is good.
2. The space utilization rate is high. The air supply, return air and exhaust functions are integrated in the regular air channels, so that the space utilization rate is greatly improved compared with the prior scheme (two air supply channels and two return air channels).
3. The cost is reduced by about 30 percent. The number of the air ports of the car roof is reduced, the air channel is in a regular shape, the car roof can be made of large plates, the removal rate of leftover materials is reduced, a large number of fasteners are omitted in the whole air channel, and the expected cost can be reduced by 30%.
4. The modularization degree is high. According to different air volume requirements of different projects, the structure of the air duct can be kept unchanged, the air duct is realized by adjusting the overall dimension of the air duct and the partition plate, and the universality is high.
5. Hidden return air ensures the beauty.
6. The noise is greatly reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a top view of a prior art vehicle cabin and duct;
FIG. 2 is a schematic view of the direction of air flow in a prior art vehicle compartment;
FIG. 3 is a top view of a car provided in an embodiment of the present application;
FIG. 4 is a schematic structural diagram of a cabin and an air duct according to an embodiment of the present disclosure;
fig. 5 is a schematic side wall front view structure diagram provided in an embodiment of the present application;
fig. 6 is a schematic view of a rear view structure of a sidewall provided in the embodiment of the present application;
fig. 7 is a schematic view of a side wall test structure provided in the embodiment of the present application;
fig. 8 is a schematic partial enlarged view of a sidewall provided in an embodiment of the present application;
FIG. 9 is a schematic view of the direction of air flow in the passenger compartment provided by the embodiments of the present application;
fig. 10 is a schematic view illustrating simulation of air flow in a vehicle cabin according to an embodiment of the present application.
Reference numerals: 100-air returning device, 110-air supply device, 120-air returning device, 1-compartment, 4-air conditioning unit, 41-unit air returning opening, 42-unit air supply opening, 43-unit waste air exhaust opening, 300-side wall, 44-air returning pipeline, 440-air returning opening, 500-air duct, 510-air supply air duct and 520-air returning and exhausting shared air duct.
Detailed Description
In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
In carrying out the present application, the inventors found that a vehicle compartment in the related art is shown in fig. 1 and 2. The top surface in the carriage is provided with a return air device 100, the return air device 100 comprises an air supply device 110 and an air return device 120, and the top surface outside the carriage is provided with an air conditioning unit. The bottom surfaces of the air supply device 110 and the air return device 120 are respectively provided with an air supply outlet and an air return inlet, and the air conditioning unit is provided with an opening connected with the air supply device 110 and the air return device 120. Because the air supply device 110 and the air return device 120 are both located on the top surface of the carriage and are close to each other, the distance between the air supply opening and the air return opening is also close to each other. It can be seen that the prior art car and its return air system have the following disadvantages: 1. uneven return air. The top plate of each carriage is provided with two return air inlets which are arranged below the air conditioning unit, the return air is basically air near the return air inlets, and the air of adjacent areas is passively supplemented. Moreover, because the air supply outlet and the air return inlet are both arranged on the middle top plate, if the treatment is not good, the phenomenon of short circuit of air flow can occur, namely, fresh air coming out of the air conditioning unit is sucked away by the air return inlet just after being sent to the carriage. 2. The carriage roof has large-area grids, and the aesthetic property is poor. The top plate is generally a whole large plane, the visual field is wide, and the space sense is good. After the top plate is provided with the air return inlet and the air return grille, the sense of space can be damaged. Simultaneously, because the existence of return air grid for the convenience of guaranteeing the installation for well roof can only be the flat board, and can't carry out the molding of radian. 3. The noise is large. Because of the needs of return air, the carriage is open at air conditioning unit's return air inlet department, and air conditioning unit's noise directly transmits the car in through return air wind channel and return air inlet, and whole passageway is spacious completely, and the transmission of noise does not stop, can cause the regional relatively poor experience of taking a bus of return air inlet.
In view of the above problems, the present application provides a return air system, a carriage and a rail vehicle, where the return air system includes an air conditioning unit and an air duct, the air duct is disposed on an inner top surface of the carriage, and the air duct includes an air supply duct, a return air exhaust common air duct and a return air duct; the air supply duct is connected with a unit air supply outlet of the air conditioning unit and extends along the length direction of the air duct, and the bottom of the air supply duct is provided with the air supply outlet; the air return and exhaust shared air duct is respectively connected with a unit air return port and a unit exhaust air outlet of the air conditioning unit and is arranged in parallel with the air supply air duct; and the return air exhaust shared air duct is connected with the return air duct, the lower end of the return air duct is provided with a return air inlet, and the return air inlet is used for extending to the position below the seat in the carriage along the side wall of the carriage. This application sets up the return air inlet in the position that is close to the floor on the carriage side wall, makes to get back into again after the air intensive mixing in air and the carriage that gets into from the roof and airs exhaust the sharing wind channel, returns moreover to air exhaust sharing wind channel and return air pipeline and has blocked inside air conditioning unit noise directly gets into the carriage, has reduced air conditioning unit noise to passenger's in the carriage influence.
Fig. 3-10 are schematic structural diagrams of a return air system and a vehicle cabin provided in an embodiment of the present application. The embodiment of the application provides a send wind system back, includes:
an air conditioning unit 4;
an air supply duct 510 connected to the unit air supply outlet 42 of the air conditioning unit 4 and extending in the longitudinal direction of the air duct 500, the air supply duct 510 having an air supply outlet at the bottom;
a common return-exhaust air duct 520 connected to the unit return air inlet 41 and the unit exhaust air outlet 43 of the air conditioning unit 4, respectively, and arranged side by side with the supply air duct 510;
the return air duct 44 and the return air exhaust shared duct 520 are connected to the return air duct 44, the lower end of the return air duct 44 has a return air inlet 440, and the return air inlet 440 is configured to extend to a position below a seat in the car 1 along a side wall of the car 1.
Illustratively, the lower end of the return air duct 44 extends to a position near the floor of the car 1, and the return air duct 44 is used for conveying air near the floor inside the car 1 into the return-exhaust common duct 520.
The return air pipeline 44 comprises a return air pipe and a return air cavity, the return air cavity is arranged inside the side wall 300 of the carriage 1, and the return air pipe is connected between the return air cavity and the air conditioning unit 4. The return air pipe is an arc-shaped tubular structure arranged between the side wall 300 and the middle roof of the carriage, the return air cavity is an internal space of the side wall 300, specifically, a partition plate can be arranged inside the side wall 300 to separate the internal space of the side wall 300, one part of the space is communicated with the return air pipe, and the part of the space is called as the return air cavity.
Further, joints may be respectively disposed on the return air exhaust shared air duct 520 and the return air duct 44, and the return air duct may be detachably connected to the joints by using a sleeve joint or a flange connection. In the embodiment of the present application, the number of joints on the air duct 500 can be adjusted according to the actual length of the car 1 and the requirement of the air volume, so as to match the number of the return air ducts 44 and the joints inside the car 1. Moreover, the return air pipeline 44 and the return air exhaust common air duct 520 are detachably connected, so that the whole return air supply system can be manufactured and assembled in a modularized manner, and the universality of the return air supply system is improved.
Air conditioning unit 4 can set up on the outer top surface in carriage 1, and it can have the new trend entry, is provided with the filter screen in this new trend entry, and this filter screen is arranged in debris such as dust among the filtered air. The air conditioning unit 4 sucks and filters air outside the vehicle compartment 1 through the fresh air inlet, mixes the sucked air with air conveyed by the return air exhaust shared air duct 520 in a mixing chamber of the air conditioning unit 4, and is cooled and dehumidified by an evaporator of the air conditioning unit 4 after being filtered again, and finally is sent into the air supply duct 510 through the unit air supply outlet 42, and then enters the vehicle compartment 1. After entering the cabin 1, the air sent from the air supply duct 510 is fully mixed with the air in the cabin 1 to absorb heat and moisture, and finally enters the air return pipeline 44 from the air return opening 440 close to the floor, and finally enters the air conditioning unit 4 through the return air exhaust common duct 520 and the unit air return opening 41 to participate in the air mixing treatment.
In the embodiment of the present application, a grille may be disposed in the air supply opening, and the grille may be a fixed or movable sheet structure, so as to control the air flowing direction and shield the structure inside the air supply duct 510, thereby achieving the effect of beauty.
This application will return air inlet 440 of airing exhaust shared air duct 520 and set up on the side wall 300 of carriage 1, and be located the position that is close to the floor, make and carry out the intensive mixing from the inside air of roof entering carriage 1 and the inside air in carriage 1, reentrant return air exhaust shared air duct 520, reach the anticipated effect of sending back the wind. And the unit return air inlet 41 of the air conditioning unit 4 is not opposite to the return air inlet 440 any more, and the return air inlet 440 is far away from the air conditioning unit 4 as far as possible, so that the intensity of noise generated by the air conditioning unit 4 entering the carriage 1 is reduced, and the riding experience of passengers in the area of the return air inlet 440 is improved.
In the embodiment of the present application, the air conditioning unit 4 also has a unit waste air discharge outlet 43. The unit supply air outlet 42 and the unit return air outlet 41 may be provided on a first side of the air conditioning unit 4 and the unit exhaust air outlet 43 may be provided on a second side opposite to the first side. A part of the air in the return-exhaust air common duct 520 is sucked into the mixing chamber by the air conditioning unit 4, and the other part is directly discharged to the outside of the vehicle compartment 1 through the unit exhaust air outlet 43, so as to maintain the air pressure balance in the vehicle compartment 1.
In one possible embodiment, the number of the return-exhaust common air ducts 520 is two, and the two return-exhaust common air ducts 520 are respectively disposed at both sides of the supply air duct 510.
Illustratively, the side walls 300 are disposed on both sides of the interior of the car 1, the return air pipelines 44 may be disposed inside the side walls 300, and the two return air exhaust shared air channels 520 located on both sides of the air supply duct 510 are respectively connected to the return air pipelines 44 on both sides of the interior of the car 1, so that air in the car 1 can enter the return air exhaust shared air channels 520 from the left and right directions, and an effect of circular air circulation flow is achieved. As shown in fig. 9 and 10, the direction of the arrow in fig. 9 is the direction of the wind flow.
In a possible embodiment, two partitions are fixedly disposed inside the air duct 500 along the length direction, and the two partitions divide the air duct 500 into three spaces, wherein the two spaces at two sides are two return-exhaust shared air ducts 520, respectively, and the space at the center is an air supply duct 510.
The air duct 500 is a regular hollow structure, such as a rectangular tube or an oval tube, and the air duct 500 extends along the length direction of the compartment 1 and nearly extends through the entire compartment 1. The partition board inside the air duct 500 also extends along the length direction of the air duct 500, i.e. along the length direction of the cabin 1, and divides the space inside the air duct 500 into three long and narrow spaces independent from each other, wherein the spaces on both sides are two return-exhaust shared air ducts 520, and the space between the two return-exhaust shared air ducts 520 is the air supply duct 510.
In the embodiment of the application, the partition board may be fixed inside the air duct 500 by a sealant or a rivet, so as to ensure the isolation effect between the air return and exhaust shared air duct 520 and the air supply air duct 510, and when the sealant is adopted, the sealant may be disposed between the partition board and the inner wall of the air duct 500. By adopting the air duct 500 with the regular shape, the air duct 500 can be manufactured by adopting a large plate, the generation of leftover materials in the manufacturing process is reduced, the manufacturing cost is reduced, and meanwhile, the return air pipeline 44 is integrated in the side wall 300 and improves the utilization rate of the internal space of the carriage 1 together with the air duct 500 with the regular shape.
Further, the width of the supply air duct 510 is larger than the width of the return-exhaust air common duct 520. Specifically, the width of the supply air duct 510 may be 2-4 times the width of the return-exhaust common air duct 520.
In one possible embodiment, the return air conduit 44 is made of a thermally conductive material.
Illustratively, the air conditioning unit 4 needs to cool the air when the temperature is high in summer, and the air conditioning unit 4 heats the air when the temperature is low in winter. The cooled or heated air may not be sufficiently heat-exchanged after entering the interior of the vehicle compartment 1 and then enter the return air duct 44, resulting in a waste of energy. This application adopts the heat conduction material to make return air pipeline 44, makes the air that enters into return air pipeline 44 still can continue to carry out the heat exchange with the air in carriage 1, promotes the utilization ratio of the energy. The heat conducting material may be metal, such as aluminum, aluminum alloy, etc.
The embodiment of the application further provides a carriage, which comprises a roof, a side wall 300, a floor and a side roof, wherein the air return system is arranged in the carriage 1, and the air return pipeline 44 is arranged in the side wall 300 and the side roof.
Illustratively, the roof is located at the top of the compartment 1, the side ceiling is arranged between the roof and the side wall 300, the bottom of the compartment 1 has a floor, and the duct 500 in the return air system is arranged in the space between the side ceiling and the roof. The side wall 300 is a hollow structure, and the air return pipeline 44 is arranged inside the side wall 300.
In the embodiment of the present application, the air return opening 440 is provided on the inner side surface of the side wall 300, i.e., on the side surface on the side of the interior of the vehicle compartment 1. Specifically, the return air opening 440 is provided at the bottom of the inner side of the wall 300.
Specifically, a plurality of air return cavities are arranged in the side wall 300 at intervals, and air return openings 440 are arranged at the bottoms of the air return cavities; and a return air pipe is arranged in a cavity formed between the side top plate and the roof and is communicated with the return air cavity to form a return air pipeline 44.
In one possible embodiment, a seat is provided on the floor and the air return opening 440 is located on the sidewall 300 below the seat.
Illustratively, the seats are arranged along the length direction of the carriage 1, the side surfaces of the seats are connected to the inner side surfaces of the side walls 300, the bottom ends of the seats are connected to the floor of the carriage 1, the air return opening 440 is arranged below the seats, a hidden air return opening can be formed, the attractiveness of the interior of the carriage 1 is improved, the distance between the air supply opening and the air return opening is increased, and the uniformity of air mixing in the carriage 1 is further improved.
The embodiment of the application also provides a railway vehicle which comprises a plurality of carriages 1.
Illustratively, a plurality of cars 1 may be connected in series to form a rail vehicle in the present application.
In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered limiting of the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including the preferred embodiment and all changes and modifications that fall within the scope of the present application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (12)
1. A return air system, comprising:
an air conditioning unit;
the wind channel for set up on the interior top surface in carriage, the wind channel includes:
the air supply duct is connected with a unit air supply outlet of the air conditioning unit and extends along the length direction of the air duct, and the bottom of the air supply duct is provided with an air supply outlet;
the air return and exhaust shared air duct is respectively connected with a unit air return port and a unit exhaust port of the air conditioning unit and is arranged side by side with the air supply air duct;
the air return pipeline is connected with the air return pipeline through the air return and exhaust shared air duct, an air return opening is formed in the lower end of the air return pipeline, and the air return opening is used for extending to the position below a seat in the carriage along the side wall of the carriage.
2. The return air supply system according to claim 1, wherein the number of the return air exhaust common air ducts is two, and the two return air exhaust common air ducts are respectively provided on both sides of the supply air duct.
3. A return air system as claimed in claim 2, wherein two partitions are fixed along the length direction inside the air duct, and divide the air duct into three spaces, wherein the two spaces on both sides are respectively two return air exhaust shared air ducts, and the space in the center is the supply air duct.
4. A return air system as claimed in claim 3, wherein a sealant is provided between the partition and the inner wall of the duct.
5. A return air system as set forth in claim 1, wherein the width of the supply air duct is greater than the width of the return air common duct.
6. A return air system as set forth in claim 5, wherein said supply air duct has a width 2-4 times as wide as said return air exhaust common duct.
7. A return air system as set forth in claim 1, wherein said unit supply air outlet and said unit return air outlet are disposed on a first side of said air conditioning unit, and said unit exhaust air outlet is disposed on a second side opposite said first side.
8. A return air system as set forth in claim 1, wherein the return air duct is made of a heat conductive material so that air in the return air duct exchanges heat with air in the vehicle cabin.
9. A car body comprising a roof, side walls, a floor and a side roof, wherein the return air system of any one of claims 1-8 is disposed in the car body, and the return air duct is disposed in the side walls and the side roof.
10. The compartment according to claim 9, wherein a plurality of air return cavities are arranged at intervals in the side wall, and the air return openings are arranged at the bottoms of the air return cavities;
and a return air pipe is arranged in a cavity formed between the side top plate and the roof, and the return air pipe is communicated with the return air cavity to form the return air pipeline.
11. A carriage as claimed in claim 10, wherein a seat is provided on the floor, and the air return opening is located on the side wall below the seat.
12. A rail vehicle, characterized in that it comprises a plurality of carriages according to any one of claims 9 to 11.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211181663.9A CN115556784A (en) | 2022-09-27 | 2022-09-27 | Air supply and return system, carriage and rail vehicle |
| PCT/CN2023/121001 WO2024067459A1 (en) | 2022-09-27 | 2023-09-25 | Air supply and return system, carriage and rail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211181663.9A CN115556784A (en) | 2022-09-27 | 2022-09-27 | Air supply and return system, carriage and rail vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115556784A true CN115556784A (en) | 2023-01-03 |
Family
ID=84742702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211181663.9A Pending CN115556784A (en) | 2022-09-27 | 2022-09-27 | Air supply and return system, carriage and rail vehicle |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN115556784A (en) |
| WO (1) | WO2024067459A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024067459A1 (en) * | 2022-09-27 | 2024-04-04 | 中车唐山机车车辆有限公司 | Air supply and return system, carriage and rail vehicle |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004106709A (en) * | 2002-09-19 | 2004-04-08 | Hitachi Ltd | Air-conditioning ventilation device for rail vehicle |
| CN103158730B (en) * | 2011-12-09 | 2016-02-10 | 南车青岛四方机车车辆股份有限公司 | Intercity motor train unit air conditioning duct system |
| CN103434522B (en) * | 2013-08-29 | 2015-10-28 | 南车南京浦镇车辆有限公司 | Railway compartment exhaust emission device |
| CN206297560U (en) * | 2016-12-28 | 2017-07-04 | 石家庄国祥运输设备有限公司 | A kind of empty rail Vehicular air-conditioning unit with useless row function |
| CN209795481U (en) * | 2019-01-03 | 2019-12-17 | 中车株洲电力机车有限公司 | Rail transit vehicle air current organizes device |
| CN213228637U (en) * | 2020-09-18 | 2021-05-18 | 济南轨道交通集团有限公司 | Air conditioner air supply and return system for railway vehicle |
| CN214450955U (en) * | 2021-03-26 | 2021-10-22 | 宁波工程学院 | Terminal layering ventilation system of subway air conditioner |
| CN216943064U (en) * | 2021-12-02 | 2022-07-12 | 中车浦镇阿尔斯通运输系统有限公司 | Collect air supply and return air in amortization wind channel of an organic whole |
| CN115556784A (en) * | 2022-09-27 | 2023-01-03 | 中车唐山机车车辆有限公司 | Air supply and return system, carriage and rail vehicle |
-
2022
- 2022-09-27 CN CN202211181663.9A patent/CN115556784A/en active Pending
-
2023
- 2023-09-25 WO PCT/CN2023/121001 patent/WO2024067459A1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024067459A1 (en) * | 2022-09-27 | 2024-04-04 | 中车唐山机车车辆有限公司 | Air supply and return system, carriage and rail vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024067459A1 (en) | 2024-04-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9724978B2 (en) | HVAC module having an open architecture | |
| CN103158730B (en) | Intercity motor train unit air conditioning duct system | |
| CN202378885U (en) | Air conditioning air duct system for intercity motor train unit | |
| CN115556784A (en) | Air supply and return system, carriage and rail vehicle | |
| CN111361582A (en) | Low-noise air conditioner air duct for railway vehicle | |
| JP2003002035A (en) | Air conditioner for automobile | |
| CN107010081B (en) | The ducting system of sleeping berth parlor and the air-conditioning system of sleeper-car EMUs | |
| WO2022257445A1 (en) | Roof structure of railway vehicle | |
| CN103434522A (en) | Railway compartment exhaust emission device | |
| CN112849176A (en) | Carriage and rail vehicle | |
| CN109969212B (en) | Rail train and air conditioner air duct thereof | |
| CN210212386U (en) | Car body top plate assembly, air-conditioning air duct matching system and railway vehicle | |
| CN212708825U (en) | Automobile air conditioning box assembly and automobile | |
| CN212022251U (en) | Air conditioning system of passenger car | |
| CN100366483C (en) | Ventilation system for vehicles | |
| CN214029156U (en) | Air guide pipe, air conditioning system and aircraft | |
| RU2254252C1 (en) | Method of and device for delivering plenum air and taking out return air in passenger car with air conditioning system | |
| CN105555561A (en) | Motor vehicle air-conditioning device of the dual zone type | |
| CN210680712U (en) | Rail vehicle air conditioning unit and rail vehicle | |
| CN212796871U (en) | Air duct assembly, air conditioner and train | |
| HU223686B1 (en) | Device for ventilating railway vehicle | |
| RU2029687C1 (en) | Thermoelectric air conditioner | |
| CN117698779A (en) | Independent circulation air conditioning system and method | |
| CN218661254U (en) | Integrated air distribution box for vehicle, air conditioning box group and vehicle | |
| CN219325823U (en) | Rail vehicle air conditioning system and rail vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |