CN212373375U - Air conditioner and train - Google Patents
Air conditioner and train Download PDFInfo
- Publication number
- CN212373375U CN212373375U CN202020939430.0U CN202020939430U CN212373375U CN 212373375 U CN212373375 U CN 212373375U CN 202020939430 U CN202020939430 U CN 202020939430U CN 212373375 U CN212373375 U CN 212373375U
- Authority
- CN
- China
- Prior art keywords
- air
- air conditioner
- air inlet
- duct piece
- air duct
- 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.)
- Active
Links
Images
Landscapes
- Air-Conditioning For Vehicles (AREA)
Abstract
The application discloses an air conditioner and a train, wherein the air conditioner comprises an air duct piece and two air conditioner main bodies, the two air conditioner main bodies and the air duct piece are horizontally arranged, and the two air conditioner main bodies are respectively positioned on two sides of the air duct piece; and air-conditioning air outlets are arranged on one sides of the two air-conditioning main bodies, which are close to the air duct piece. The air duct piece is internally provided with an air inlet channel, the two side walls of the air duct piece, which are adjacent to the two air conditioner main bodies, are respectively provided with an air inlet communicated with the air inlet channel, and the air inlet is communicated with an air conditioner air outlet; the side wall of the air duct piece is provided with an air outlet of the air duct piece communicated with the air inlet channel; the air blown out by the two air conditioner main bodies enters the air inlet channel through the air conditioner air outlet and the air inlet in sequence and then is blown out through the air channel part air outlet. The air duct piece that this application embodiment set up simple structure, the processing of being convenient for, and can send the wind that the air conditioner blew off to each position in the carriage, promote the homogeneity of temperature in the carriage, increased the travelling comfort of train.
Description
Technical Field
The application relates to the technical field of machinery, in particular to an air conditioner and a train.
Background
In recent years, air conditioners have become the standard of transportation means for improving the comfort of riding in automobiles, trains, high-speed trains and the like. When the air conditioner is arranged on a train such as a train, a high-speed rail and the like, because the carriage length of the train is longer, the air blown out from the air outlet of the air conditioner cannot cover the whole passenger room, so that the temperature is uneven at a position close to the air outlet of the air conditioner and at a position far away from the air outlet of the air conditioner.
SUMMERY OF THE UTILITY MODEL
An object of this application is to provide an air conditioner and train, through setting up the wind channel subassembly, sends the wind that the first air outlet of air conditioner blew off to each position of guest room through the wind channel subassembly to the inhomogeneous problem of temperature in the carriage of solving the train.
In a first aspect, the present application provides an air conditioner, wherein two air conditioner main bodies are respectively located at two sides of the air duct piece; air conditioner air outlets are formed in one sides, close to the air duct pieces, of the two air conditioner main bodies; an air inlet channel is arranged in the air duct piece, air inlets communicated with the air inlet channel are respectively arranged on two side walls of the air duct piece, which are adjacent to the two air conditioner main bodies, and the air inlets are communicated with the air conditioner air outlet; the side wall of the air duct piece is provided with an air outlet of the air duct piece communicated with the air inlet channel; the air blown out by the two air conditioner main bodies sequentially passes through the air conditioner air outlet and the air inlet into the air inlet channel and then passes through the air outlet of the air channel piece.
The air conditioner as described above, wherein the air duct member is a rectangular parallelepiped and includes two first side walls disposed opposite to each other and two second side walls disposed opposite to each other; the air inlets are respectively arranged on the two first side walls; a guide plate is fixedly arranged in the air inlet channel; one end of the guide plate is close to the air inlet, and one end, far away from the air inlet, of the guide plate extends towards any one of the second side walls and is in sealing contact with any one of the second side walls; the upper side and the lower side of the guide plate are in sealing contact with the top and the bottom of the air inlet channel respectively.
The air conditioner as described above, wherein the guide plate has an arc-shaped guide surface on a side facing the air outlet of the air duct member.
The air conditioner as described above, wherein a central axis of one end of the guide plate near the air inlet is aligned with a central axis in a height direction of the air inlet; the guide plate is far away from the central axis of one end of the air inlet and is aligned with the central axis of the second side wall in the height direction.
The air conditioner is characterized in that the side wall of the air duct piece is provided with a static pressure cavity communicated with the air outlet of the air duct piece; the air blown out by the two air conditioner main bodies sequentially passes through the air conditioner air outlet and the air inlet to enter the air inlet channel, then enters the static pressure cavity through the air outlet of the air channel part and is blown out through the static pressure cavity.
The air conditioner as described above, wherein a baffle is disposed in the static pressure chamber, and the baffle divides the static pressure chamber into at least two sub static pressure chambers; the air blown out by the two air conditioner main bodies sequentially passes through the air conditioner air outlet and the air inlet to enter the air inlet channel, then enters the at least two sub-static pressure cavities through the air duct part air outlet, and is blown out through the at least two sub-static pressure cavities.
The air conditioner as above, wherein the side wall of the baffle is provided with silencing cotton.
The air conditioner as described above, wherein the first side wall is an inclined wall, and the air inlet is disposed on the inclined wall.
The air conditioner as described above, wherein the air duct outlet is a slit extending along a side wall of the air duct.
The second aspect of the present application provides a train, comprising a carriage and the air duct piece of any one of the first aspect of the present application, wherein the carriage is provided with a carriage air inlet; the air inlet of the carriage is communicated with the air outlet of the air duct piece.
The air conditioner that this application embodiment provided, wherein the air conditioner includes two air conditioner main parts, two the air conditioner main part with wind channel spare level is arranged, two the air conditioner main part is located respectively the both ends of wind channel spare, two the air conditioner main part is close to air conditioner air outlet is established to one side of wind channel spare. An air inlet channel is arranged in the air channel piece, air inlets communicated with the air inlet channel are respectively arranged at two ends of the air channel piece, and the two air inlets are respectively communicated with the two air conditioner air outlets; the side wall of the air duct piece is provided with an air outlet of the air duct piece; the air blown out by the two air conditioner main bodies sequentially passes through the air conditioner air outlet and the air inlet into the air inlet channel and then passes through the air outlet of the air channel piece. When the air duct piece is used, the air duct piece can be installed on a train, cold air or hot air made by the air conditioner main body flows into the air inlet channel from the air outlet of the air conditioner through the air inlet on the air duct piece, then reaches the air inlet of the carriage from the air outlet of the air duct piece, and is blown into the carriage from the air inlet of the carriage, so that the cold air or the hot air made by the air conditioner can be sent into the carriage. The air duct piece that this application embodiment set up simple structure, the processing of being convenient for, and can send the wind that the air conditioner blew off to each position in the carriage, promote the homogeneity of temperature in the carriage, increased the travelling comfort of train.
Drawings
In order to more clearly illustrate the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is an isometric view of an air duct member provided by an embodiment of the present application;
FIG. 2 is an isometric view of another orientation of an air duct member provided by an embodiment of the present application;
FIG. 3 is a schematic view of a guide plate of an air duct member provided in an embodiment of the present application;
FIG. 4 is a cross-sectional view of an air duct provided in an embodiment of the present application;
FIG. 5 is an isometric view of an air duct member provided by an embodiment of the present application.
Description of reference numerals:
10-air channel part, 11-air inlet channel, 111-guide plate, 12-air inlet, 13-air channel part air outlet, 14-static pressure cavity, 141-sub static pressure cavity, 15-baffle, 16-first side wall, 17-second side wall, 18-static pressure cavity side wall, 19-top wall and 20-bottom wall.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As shown in fig. 1 and fig. 2, the air conditioner 10 provided in the embodiment of the present application, wherein the air conditioner (not shown in the figure) includes two air conditioner main bodies (not shown in the figure), two air conditioner main bodies and the air duct member 10 are horizontally arranged, two air conditioner main bodies are respectively located at two sides of the air duct member 10, and two air conditioner main bodies are close to one side of the air duct member 10 and provided with an air conditioner air outlet. The air duct 10 may be shaped as a flat rectangular parallelepiped, the length and width of which may be determined according to the length (X-direction dimension in fig. 1) and width (Y-direction dimension in fig. 1) of a train to be installed, and the thickness (Z-direction dimension in fig. 1) of which is thin, and when the thickness is set, it is sufficient for the air duct of the air intake duct 11 to facilitate the flow of air.
An air inlet channel 11 is arranged in the air duct piece 10, air inlets 12 communicated with the air inlet channel 11 are respectively arranged on two side walls of the air duct piece 10, which are adjacent to the two air conditioner main bodies, and the air inlets 12 are communicated with the air conditioner air outlets; an air duct piece air outlet 13 communicated with the air inlet channel 11 is arranged on the side wall of the air duct piece 10; the air blown out by the two air conditioner main bodies sequentially passes through the air conditioner air outlet and the air inlet 12 enters the air inlet channel 11 and then is blown out through the air duct piece air outlet 13.
When the air conditioner is used, cold air or hot air made by the air conditioner main body flows into the air inlet channel 11 from the air conditioner air outlet through the air inlet 12 on the air duct piece 10, then reaches the air inlet of the carriage from the air duct piece air outlet 13, and is blown into the carriage from the air inlet of the carriage, so that the cold air or the hot air made by the air conditioner can be sent into the carriage. In a case, can install above-mentioned wind channel 10 on the train, because of the length of wind channel 10 is longer, consequently can be longer with wind channel 13 setting, cold wind or hot-blast each position that can reach the carriage from this wind channel 13 so to make the temperature in the carriage more even, promoted the train travelling comfort. Of course, it will be understood by those skilled in the art that the air conditioner 10 may also be used in large indoor spaces such as workshops, parking lots, and station waiting rooms, to increase the positions where the wind of the air conditioner can reach, so that the indoor temperature is more uniform and the comfort is higher.
The air duct piece with the structure is convenient for the air duct piece and the two air conditioner main bodies to be horizontally arranged, is convenient to install on a longer train, and can meet the air volume requirement of the longer train. In addition, the two air conditioner main bodies and the air duct member 10 may be divided into three parts, and then assembled when being mounted to a train, thereby facilitating transportation and also facilitating later maintenance.
The air duct piece 10 that this application embodiment set up simple structure, the processing of being convenient for, and can send the wind that the air conditioner blew off to each position in the carriage, promote the homogeneity of temperature in the carriage, increased the travelling comfort of train.
The rectangular parallelepiped air duct 10 includes a top wall 19, a bottom wall 20, two first side walls 16 disposed opposite to each other, and two second side walls 17 disposed opposite to each other, wherein two air inlets 12 are respectively disposed on the two first side walls 16, and the two air inlets 12 are respectively communicated with air-conditioning outlets of air-conditioning bodies adjacent to the two air inlets 12. Air duct piece air outlet 13 sets up on second lateral wall 17, in order to increase the air output, can both set up air duct piece air outlet 13 on two second lateral walls 17. For convenience of manufacture and installation, the intake vent 12 is rectangular and the intake vent 12 is disposed at the center of the first sidewall 16. The air inlet 12 and the air duct outlet 13 are disposed on different side walls, which facilitates the arrangement of the trend of the air inlet channel 11, so that the air can smoothly flow from the air inlet 12 to the air duct outlet 13.
Optionally, a guide plate 111 is fixedly arranged in the air intake channel 11, one end a of the guide plate 111 is close to the air intake 12, and one end b of the guide member 111, which is far away from the air intake 12, extends to any one of the second side walls 17 and is in sealing contact with any one of the second side walls 17; the upper and lower sides of the guide plate 111 are in sealing contact with the top and bottom of the air intake passage 11, respectively.
One end of the guide plate 111 is close to the intake vent 12, where close is understood as long as the guide plate 111 does not protrude from the intake vent 12 out of the intake air passage 11. As mentioned above, two air duct outlets 13 may be disposed on the side wall of the air duct 11, and the number of the air inlets 12 is also two, so, referring to fig. 3, four guide plates 111 may be disposed, and each air inlet 12 corresponds to two guide plates 111, so as to guide the air at each air inlet 12 to the positions of the two air duct outlets 13, thereby increasing the air outlet efficiency. Because the upside and the downside of guide board 111 respectively with inlet air channel 11's top and bottom sealing contact, consequently four guide boards 111 divide into four independent cavities with inlet air channel 11, and each cavity mutual noninterference can be better with the wind that two air intakes come in, guide to the air outlet, improve air-out efficiency.
Alternatively, the guide plate 111 has an arc-shaped guide surface on a side facing the air outlet 13 of the air duct member. The arc-shaped guide surface is beneficial to the incoming wind at the air inlet 12 to flow along the arc surface, and the guide efficiency of the guide plate 111 is improved. Referring to fig. 2 and 3, and referring to the directions of fig. 2 and 3, if the conditions allow, one end of the two left guide plates 111 may divide the left air inlet 12 into two sub air inlets, so that the air entering from one of the sub air inlets is guided by the upper left guide plate 111 to reach the air duct outlet 13 located at the upper side in fig. 2. The wind entering from the other sub-wind inlet is guided by the left lower guide plate 111 to reach the wind channel member wind outlet located at the lower side in fig. 2. The two guide plates 111 on the right side are the same and will not be described again.
It will be understood that, referring to fig. 5, fig. 5 illustrates the arrangement of one guide plate 111, the remaining three guide plates not being shown. It can be seen that the central axis of one end a of the guide plate 111 close to the air inlet 13 is aligned with the central axis a in the height direction of the air inlet 12; a center axis of one end B of the guide plate 111, which is away from the intake vent 12, is aligned with a height direction center axis B of the second side wall 17. It should be clear that if the first side wall 16 is parallel to the Z-axis, the central axis of one end a of the guide plate 111 close to the air inlet 13 is also parallel to the Z-axis; if the first side wall 16 is an inclined wall, the center axis of one end a of the guide plate 111 near the air inlet 13 is inclined with respect to the Z axis. That is, one end a of the guide plate 111 near the intake vent 13 is disposed following the first side wall 16, that is, the first side wall 16 is a vertical wall, and then one end a of the guide plate 111 near the intake vent 13 is also vertical; the first side wall 16 is an inclined wall, and one end a of the guide plate 111 near the intake vent 13 is also inclined.
If the air inlet 12 is disposed at the middle of the first side wall 16, one end of the guide plate 111 faces the middle of the first side wall 16, and the other end of the guide plate 111 faces the middle of the second side wall 17. As already mentioned above, four guide plates 111 may be provided, so that on the one hand, the air volume of the two air inlets 12 can be uniformly blown out from the two air duct outlet 13. On the other hand, so set up, four guide plate 111's length and width are all the same, and the processing of being convenient for can save the cost. The Z direction in fig. 1 is the height direction.
Further, referring to fig. 1, fig. 2 and fig. 4, a static pressure chamber 14 is disposed on a side wall of the air duct 10 and is communicated with the air outlet 13 of the air duct. The air blown out by the two air conditioner main bodies sequentially passes through the air conditioner air outlet and the air inlet 12 enters the air inlet channel 11, and then enters the static pressure cavity 14 through the air duct piece air outlet 13 and is blown out through the static pressure cavity 14. The static pressure cavity 14 is arranged, partial dynamic pressure can be changed into static pressure to enable wind to be blown farther, noise can be reduced, and the wind quantity can be uniformly distributed, so that the comfort is further improved. If the air duct outlet 13 is provided on both second side walls 17, the number of hydrostatic pockets 14 is correspondingly two.
Referring to fig. 2 and fig. 4, it can be seen that the bottom wall of the static pressure chamber 14 is provided with a static pressure air outlet communicated with the static pressure chamber 14, and the air duct air outlet 13 on the second side wall 17 blows air with a wind direction opposite to the side wall 18 of the static pressure chamber, and the wind direction is changed to blow air downwards (fig. 4) towards the static pressure air outlet by being blocked by the side wall 18 of the static pressure chamber.
Optionally, referring to fig. 2, a baffle 15 is disposed in the static pressure chamber 14, and the static pressure chamber 14 is divided into at least two sub static pressure chambers 141 by the baffle 15; the air blown out by the two air conditioner main bodies sequentially enters the air inlet channel 11 through the air conditioner air outlet and the air inlet 12, then enters the at least two sub static pressure cavities 141 through the air duct piece air outlet 13, and is blown out through the sub static pressure cavities 141. The air flows into the room through the sub-static pressure cavity 141, so that the noise can be further reduced, and the air distribution is more uniform. In addition, the side wall of the baffle 15 can be provided with noise reduction cotton. This amortization is cotton further increases noise cancelling effect, noise reduction.
Optionally, the air duct outlet 13 is a slit opening extending along the side wall of the air duct 10. The slit opening can increase the air output and the position where wind energy reaches, so that the temperature uniformity is further improved. The slit may be a single continuous slit or a plurality of discontinuous small slits.
Further, referring to fig. 1, the two ends of the air duct 10 are provided with inclined walls, and the air inlet 12 is disposed on the inclined walls. That is, the first side wall 16 is an inclined wall. The inclined wall is convenient for the butt joint of the air duct piece 10 and the air conditioner main body, enables the air conditioner main body and the air duct piece 10 to be more tightly jointed, saves space and increases the structural strength after the installation is finished.
The embodiment of the application also provides a train, which comprises a carriage and the air duct piece provided by any embodiment of the application, wherein the carriage is provided with a carriage air inlet; the air inlet of the carriage is communicated with the air outlet of the air duct piece. That is, above-mentioned wind channel spare can be installed on the train to be used for carrying out temperature regulation for the carriage of train, and make the temperature in the carriage of train more even, the temperature inhomogeneous can not appear, lead to local temperature higher, the lower condition of local temperature improves train passenger's travelling comfort.
The foregoing detailed description of the embodiments of the present application has been presented to illustrate the principles and implementations of the present application, and the above description of the embodiments is only provided to help understand the method and the core concept of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. An air conditioner is characterized by comprising an air duct piece and two air conditioner main bodies, wherein the two air conditioner main bodies and the air duct piece are horizontally arranged, and the two air conditioner main bodies are respectively positioned at two sides of the air duct piece;
air conditioner air outlets are formed in one sides, close to the air duct pieces, of the two air conditioner main bodies; an air inlet channel is arranged in the air duct piece, air inlets communicated with the air inlet channel are respectively arranged on two side walls of the air conditioner main body, which are adjacent to the air duct piece, and the air inlets are communicated with the air conditioner air outlet; the side wall of the air duct piece is provided with an air outlet of the air duct piece communicated with the air inlet channel;
the air blown out by the two air conditioner main bodies sequentially passes through the air conditioner air outlet and the air inlet into the air inlet channel and then passes through the air outlet of the air channel piece.
2. The air conditioner according to claim 1, wherein the air duct member is a rectangular parallelepiped and includes two first side walls disposed opposite to each other and two second side walls disposed opposite to each other;
the air inlets are respectively arranged on the two first side walls;
a guide plate is fixedly arranged in the air inlet channel; one end of the guide plate is close to the air inlet, and one end, far away from the air inlet, of the guide plate extends towards any one of the second side walls and is in sealing contact with any one of the second side walls; the upper side and the lower side of the guide plate are in sealing contact with the top and the bottom of the air inlet channel respectively.
3. The air conditioner according to claim 2, wherein the guide plate is provided with an arc-shaped guide surface at a side thereof facing the side wall.
4. The air conditioner according to claim 2, wherein a central axis of one end of the guide plate near the air inlet is aligned with a height direction central axis of the air inlet; the guide plate is far away from the central axis of one end of the air inlet and is aligned with the central axis of the second side wall in the height direction.
5. The air conditioner according to claim 1, wherein the side wall of the air duct member is provided with a static pressure chamber communicated with the air outlet of the air duct member;
the air blown out by the two air conditioner main bodies sequentially passes through the air conditioner air outlet and the air inlet to enter the air inlet channel, then enters the static pressure cavity through the air outlet of the air channel part and is blown out through the static pressure cavity.
6. The air conditioner according to claim 5, wherein a baffle is arranged in the static pressure cavity, and the baffle divides the static pressure cavity into at least two sub static pressure cavities; the air blown out by the two air conditioner main bodies sequentially passes through the air conditioner air outlet and the air inlet to enter the air inlet channel, then enters the at least two sub-static pressure cavities through the air outlet of the air channel part, and is blown out through the at least two sub-static pressure cavities.
7. The air conditioner as claimed in claim 6, wherein the side wall of the baffle is provided with sound deadening cotton.
8. The air conditioner of claim 2, wherein the first side wall is an inclined wall, and the air inlet is disposed on the inclined wall.
9. The air conditioner according to any one of claims 1 to 8, wherein the air duct member outlet is a slit opening extending along a side wall of the air duct member.
10. A train comprising a car body and the air duct member of any one of claims 1 to 9, the car body being provided with a car body air inlet; the air inlet of the carriage is communicated with the air outlet of the air duct piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020939430.0U CN212373375U (en) | 2020-05-28 | 2020-05-28 | Air conditioner and train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020939430.0U CN212373375U (en) | 2020-05-28 | 2020-05-28 | Air conditioner and train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212373375U true CN212373375U (en) | 2021-01-19 |
Family
ID=74179042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020939430.0U Active CN212373375U (en) | 2020-05-28 | 2020-05-28 | Air conditioner and train |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212373375U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115123326A (en) * | 2021-03-29 | 2022-09-30 | 青岛四方川崎车辆技术有限公司 | Subway vehicle air duct structure |
| CN117416380A (en) * | 2023-12-05 | 2024-01-19 | 河南中车重型装备有限公司 | Train air duct switching device and air conditioner ventilation system |
-
2020
- 2020-05-28 CN CN202020939430.0U patent/CN212373375U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115123326A (en) * | 2021-03-29 | 2022-09-30 | 青岛四方川崎车辆技术有限公司 | Subway vehicle air duct structure |
| CN115123326B (en) * | 2021-03-29 | 2023-11-28 | 青岛四方川崎车辆技术有限公司 | Air duct structure of metro vehicle |
| CN117416380A (en) * | 2023-12-05 | 2024-01-19 | 河南中车重型装备有限公司 | Train air duct switching device and air conditioner ventilation system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212373375U (en) | Air conditioner and train | |
| CN103158730A (en) | Air-conditioner air duct system used for intercity motor train unit | |
| CN110723157A (en) | Subway vehicle composite air supply system | |
| CN111361582A (en) | Low-noise air conditioner air duct for railway vehicle | |
| CN104228863A (en) | Railway-vehicle air-conditioner air supplying and returning system | |
| WO2022257445A1 (en) | Roof structure of railway vehicle | |
| CN210062982U (en) | Vehicle air supply and return structure and railway vehicle with same | |
| CN103158732A (en) | Air conditioning air duct system of high-speed motor train unit | |
| CN204736866U (en) | Amortization wind channel and rail vehicle | |
| CN202413811U (en) | Air-conditioning air duct system for high-speed motor train unit | |
| CN103434522A (en) | Railway compartment exhaust emission device | |
| CN109720365B (en) | Air conditioner air duct of railway vehicle and railway vehicle | |
| CN212796871U (en) | Air duct assembly, air conditioner and train | |
| CN217141021U (en) | Tuyere, drying device and coating equipment | |
| CN216185117U (en) | Subway vehicle air duct structure | |
| CN104859674A (en) | Silencing air duct and railway vehicle | |
| CN211710829U (en) | Rail vehicle and static pressure air duct thereof | |
| CN104875764A (en) | Noise reduction air channel and railway vehicle | |
| CN116279621A (en) | Encircling air supply system and rail vehicle | |
| JP3510180B2 (en) | Air duct | |
| CN113548072B (en) | Rail vehicle air supply duct structure and rail vehicle | |
| CN218511094U (en) | A two air intakes of EPP fall fan machine casees of making an uproar for pipeline new trend system | |
| TW202010668A (en) | Air-conditioning duct for railroad vehicles | |
| CN210126525U (en) | Low-noise low-static-pressure air conditioning system for railway vehicle | |
| CN214523798U (en) | Rail vehicle air conditioning unit integrating waste discharge and rail vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |