CN211710829U - Rail vehicle and static pressure air duct thereof - Google Patents
Rail vehicle and static pressure air duct thereof Download PDFInfo
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- CN211710829U CN211710829U CN202020086756.3U CN202020086756U CN211710829U CN 211710829 U CN211710829 U CN 211710829U CN 202020086756 U CN202020086756 U CN 202020086756U CN 211710829 U CN211710829 U CN 211710829U
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Abstract
The utility model discloses a rail vehicle and static pressure wind channel thereof, including bottom static pressure case and the lateral part static pressure case of setting at bottom static pressure case lateral part, bottom static pressure case includes well roof, has seted up first orifice plate supply-air hole on the well roof, and lateral part static pressure case includes lateral part air supply plate, has seted up second orifice plate supply-air hole on the lateral part air supply plate, and the air-out direction and the well roof air-out direction contained angle of lateral part air supply plate are the acute angle. In the rail vehicle's that this application provided static pressure wind channel, set up lateral part static pressure case through the lateral wall at bottom static pressure case, and lateral part static pressure case sets up second orifice plate air supply hole and forms two static pressure wind channels, the air-out direction of lateral part air supply board with well roof air-out direction contained angle is the acute angle for blow to two directions at least through static pressure wind channel, and then improve static pressure wind channel air supply homogeneity.
Description
Technical Field
The utility model relates to a rail vehicle air conditioning system technical field, in particular to rail vehicle's static pressure wind channel. The utility model discloses still relate to a rail vehicle including above-mentioned static pressure wind channel.
Background
At present, along with the rapid development of the technology of the metro vehicle and the improvement of the living standard of people, the requirement on an air conditioning system on the metro vehicle is higher and higher, the requirements that an air conditioning unit can work normally, the temperature in a passenger room can be raised and lowered, the comfort in the metro vehicle, especially the requirements on the uniformity of a temperature field, a humidity field and a wind speed field, the size of micro wind speed, the noise of a ventilation system and an air supply system and the like are met, and most of the existing air conditioners adopt static pressure air channels with more uniform air supply.
Conventional static air chutes include a bottom static pressure box, wherein air is blown out through a middle ceiling at the bottom of the bottom static pressure box. However, the air is blown from the static pressure air duct to only the bottom of the static pressure air duct, resulting in poor air supply uniformity in the vehicle space.
Therefore, how to improve the air supply uniformity of the static pressure air duct is a technical problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a static pressure wind channel of rail vehicle, the air supply homogeneity in this static pressure wind channel improves. Another object of the utility model is to provide a rail vehicle including above-mentioned static pressure wind channel.
In order to realize the above-mentioned purpose, the utility model provides a static pressure wind channel of rail vehicle, including bottom static pressure case, bottom static pressure case includes well roof, first orifice plate supply-air hole has been seted up on the well roof, still including setting up the lateral part static pressure case of bottom static pressure case lateral part, lateral part static pressure case includes the lateral part air feeding plate, the second orifice plate supply-air hole has been seted up on the lateral part air feeding plate, the air-out direction of lateral part air feeding plate with well roof air-out direction contained angle is the acute angle.
Preferably, the number of the side static pressure boxes is two, and the two side static pressure boxes are symmetrically arranged on two opposite sides of the bottom static pressure box.
Preferably, the side plenum box is annularly disposed along the periphery of the bottom plenum box.
Preferably, the air supply device further comprises a shell, and the shell and the end part of the middle top plate form an air supply channel of the side static pressure box.
Preferably, the first orifice plate air supply hole and/or the second orifice plate air supply hole are waist-shaped holes.
Preferably, the first orifice plate air supply holes are multiple, and the multiple first orifice plate air supply holes are arranged in an array.
Preferably, the second orifice plate air supply holes are multiple, and the second orifice plate air supply holes are arranged in a row along the circumferential direction of the middle top plate.
Preferably, the middle top plate and/or the side air supply plates are of a flat plate structure formed integrally.
Preferably, the end part of the middle top plate is fixedly and hermetically connected with the inner end of the side air supply plate through a support plate.
A rail vehicle comprises a static pressure air duct, wherein the static pressure air duct is any one of the static pressure air ducts.
In the technical scheme, the utility model provides a rail vehicle's static pressure wind channel includes bottom static pressure case and sets up the lateral part static pressure case at bottom static pressure case lateral part, and bottom static pressure case includes well roof, has seted up first orifice plate supply-air hole on the well roof, and lateral part static pressure case includes lateral part air feed plate, has seted up second orifice plate supply-air hole on the lateral part air feed plate, and the air-out direction and the well roof air-out direction contained angle of lateral part air feed plate are the acute angle.
According to the description, in the static pressure air duct of the rail vehicle provided by the application, the side wall of the bottom static pressure box is provided with the side static pressure box, the side static pressure box is provided with the second pore plate air supply hole to form the double static pressure air duct, and the included angle between the air outlet direction of the side air supply plate and the air outlet direction of the middle top plate is an acute angle, so that air is blown to two directions at least through the static pressure air duct, and the air supply uniformity of the static pressure air duct is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a static pressure air duct according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a middle top plate shown in the direction of M in fig. 1 according to an embodiment of the present invention;
fig. 3 is a schematic structural view of the lateral air supply plate shown in the direction N in fig. 1 according to an embodiment of the present invention.
Wherein in FIGS. 1-3: 1. a bottom plenum box; 2. a side plenum box; 3. a middle top plate; 3-1, a first orifice plate air supply hole; 4. a side air supply plate; 4-1 and a second orifice plate air supply hole.
Detailed Description
The utility model discloses a core provides a rail vehicle's static pressure wind channel, and the air supply homogeneity in this static pressure wind channel improves. The utility model discloses another core provides a rail vehicle including above-mentioned static pressure wind channel.
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and embodiments.
Please refer to fig. 1 to fig. 3.
In a specific implementation manner, the utility model provides a rail vehicle's static pressure wind channel includes bottom static pressure case 1 and sets up the lateral part static pressure case 2 at bottom static pressure case 1 lateral part, and bottom static pressure case 1 includes well roof 3, has seted up first orifice plate supply-air hole 3-1 on the well roof 3, and lateral part static pressure case 2 includes lateral part air feed plate 4, has seted up second orifice plate supply-air hole 4-1 on the lateral part air feed plate 4, and the air-out direction of lateral part air feed plate 4 is the acute angle with 3 air-out direction contained angles of well roof. Specifically, the first orifice plate air supply hole 3-1 and the second orifice plate air supply hole 4-1 may be circular holes, square holes, rectangular holes, or the like, and in order to avoid stress concentration at the break angle of the orifice body, preferably, the first orifice plate air supply hole 3-1 and/or the second orifice plate air supply hole 4-1 are waist-shaped holes.
In order to facilitate the processing of the static pressure air duct, the middle top plate 3 and/or the side air supply plates 4 are/is preferably of an integrally formed flat plate type structure. Specifically, the flat plate structure may be a plastic plate or a metal plate.
The tip of well roof 3 passes through the backup pad and the inboard fixed sealing connection of lateral part air feed plate 4, and is concrete, and the backup pad can be the loop configuration, the bottom and the 3 sealing connection of well roof of backup pad, the top and the bottom sealing connection of lateral part air feed plate 4 of backup pad.
The size of the end face of the air supply duct in the static pressure air duct can be designed according to the built-in section of the vehicle, and then the sizes of the side static pressure box 2 and the bottom static pressure box 1 are determined. General air supply duct is the grid air supply, and air supply grid width is only about 100mm, adopts the orifice plate air supply because the air supply aperture is little, and the orifice plate need cover the whole regions of well roof, consequently needs increase the air supply duct width, and this application is used for the preferred big section design that adopts of static pressure wind channel of orifice plate air supply, adopts big section design and 3 size phase-matchs of well roof, guarantees the air supply area simultaneously.
During specific manufacturing, the air flow simulation calculation can be used for adjusting and determining the air flow resistance ratio and the sizes of the openings of the side air supply plates 4 and the middle top plate 3. Finally, the internal structure of the static pressure air channel is determined through a ground air channel simulation test, the air supply uniformity is adjusted, the ventilation resistance is tested, and the air supply distribution of the two static pressure boxes is adjusted.
As can be seen from the above description, in the static pressure air duct of the rail vehicle provided in the embodiment of the present application, the side wall of the bottom static pressure box 1 is provided with the side static pressure box 2, and the side static pressure box 2 is provided with the second orifice plate air feeding hole 4-1 to form a double static pressure air duct, and an included angle between the air outlet direction of the side air feeding plate 4 and the air outlet direction of the middle roof plate 3 is an acute angle, so that air passing through the static pressure air duct is blown to at least two directions, thereby improving the air supply uniformity of the static pressure air duct.
On the other hand, the air outlet grille of the static pressure air duct is optimized, namely the second orifice plate air supply hole 4-1 for supplying air in a concealed manner at the side part is added, and the appearance of the passenger room is improved.
In one embodiment, there are two side static pressure boxes 2, and the two side static pressure boxes 2 are symmetrically arranged on two opposite sides of the bottom static pressure box 1. Specifically, the middle top plate 3 can be a square plate, and the two side air supply plates 4 are arranged on two opposite sides of the bottom static pressure box 1.
In another embodiment, the side static pressure boxes 2 are arranged annularly along the periphery of the bottom static pressure box 1. Specifically, the side air supply plates 4 may have a conical structure, and the opening position is tapered toward the middle ceiling plate 3.
In one embodiment, the static pressure air duct further comprises a housing, and the end parts of the housing and the middle top plate 3 form an air supply channel of the side static pressure box 2. Specifically, the shell is hermetically connected with the joint of the middle top plate 3. The top of the shell forms an air inlet hole of the static pressure air duct.
In order to guide the air outlet direction conveniently, preferably, the air outlet end of the air supply channel is provided with an air deflector
As the first orifice plate air supply holes 3-1 are multiple, and the first orifice plate air supply holes 3-1 are arranged in an array. In particular, the array can be arranged in a circular array or a rectangular array
In a specific embodiment, the second orifice plate air supply holes 4-1 are multiple, and the multiple second orifice plate air supply holes 4-1 are arranged in a row along the circumferential direction of the middle top plate 3. As shown in fig. 2, when the second blowing holes are kidney-shaped holes, the second blowing holes are preferably arranged along the longitudinal direction of the kidney-shaped holes.
The rail vehicle comprises the static pressure air channel, wherein the static pressure air channel is any one of the static pressure air channels, the specific structure of the static pressure air channel is described in the foregoing, and the rail vehicle comprises the static pressure air channel and also has the technical effects.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The static pressure air duct of the rail vehicle comprises a bottom static pressure box (1), wherein the bottom static pressure box (1) comprises a middle top plate (3), a first pore plate air supply hole (3-1) is formed in the middle top plate (3), the static pressure air duct is characterized by further comprising a side static pressure box (2) arranged on the side of the bottom static pressure box (1), the side static pressure box (2) comprises a side air supply plate (4), a second pore plate air supply hole (4-1) is formed in the side air supply plate (4), and an included angle between the air outlet direction of the side air supply plate (4) and the air outlet direction of the middle top plate (3) is an acute angle.
2. Static pressure air duct for a railway vehicle according to claim 1, characterised in that there are two side static pressure boxes (2), and that the two side static pressure boxes (2) are arranged symmetrically on opposite sides of the bottom static pressure box (1).
3. Static pressure air duct for a rail vehicle according to claim 1, characterised in that the side static pressure boxes (2) are arranged annularly along the periphery of the bottom static pressure box (1).
4. Static pressure air duct for a railway vehicle according to claim 1, characterised in that it further comprises a housing, the housing and the end of the middle roof (3) forming the air supply channel of the side static pressure box (2).
5. Static pressure air duct for a railway vehicle according to claim 1, characterised in that the first perforated plate supply air opening (3-1) and/or the second perforated plate supply air opening (4-1) are kidney-shaped openings.
6. The static pressure air duct of a railway vehicle according to claim 1, characterized in that the first orifice plate air supply holes (3-1) are plural, and the plural first orifice plate air supply holes (3-1) are arranged in an array.
7. The static pressure air duct of the rail vehicle as claimed in claim 1, characterized in that the second orifice plate air supply holes (4-1) are plural, and the plural second orifice plate air supply holes (4-1) are arranged in a row along the circumferential direction of the middle roof plate (3).
8. Static pressure air duct for a railway vehicle according to claim 1, characterized in that the centre roof panel (3) and/or the side air supply panels (4) are of an integrally formed flat plate-type construction.
9. Static pressure air duct for rail vehicles according to any of claims 1 to 8, characterized in that the end of the middle roof panel (3) is fixedly and sealingly connected to the inner end of the side air supply panel (4) by means of a support plate.
10. A rail vehicle comprising a static pressure air duct, characterized in that the static pressure air duct is according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020086756.3U CN211710829U (en) | 2020-01-15 | 2020-01-15 | Rail vehicle and static pressure air duct thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020086756.3U CN211710829U (en) | 2020-01-15 | 2020-01-15 | Rail vehicle and static pressure air duct thereof |
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| Publication Number | Publication Date |
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| CN211710829U true CN211710829U (en) | 2020-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020086756.3U Active CN211710829U (en) | 2020-01-15 | 2020-01-15 | Rail vehicle and static pressure air duct thereof |
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| CN (1) | CN211710829U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115230755A (en) * | 2022-07-27 | 2022-10-25 | 中车株洲电力机车有限公司 | Railway vehicle roof structure |
-
2020
- 2020-01-15 CN CN202020086756.3U patent/CN211710829U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115230755A (en) * | 2022-07-27 | 2022-10-25 | 中车株洲电力机车有限公司 | Railway vehicle roof structure |
| CN115230755B (en) * | 2022-07-27 | 2023-10-13 | 中车株洲电力机车有限公司 | Roof structure of railway vehicle |
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