CN105922998A - Airflow guiding hood for railway vehicle and railway vehicle - Google Patents
Airflow guiding hood for railway vehicle and railway vehicle Download PDFInfo
- Publication number
- CN105922998A CN105922998A CN201610397276.7A CN201610397276A CN105922998A CN 105922998 A CN105922998 A CN 105922998A CN 201610397276 A CN201610397276 A CN 201610397276A CN 105922998 A CN105922998 A CN 105922998A
- Authority
- CN
- China
- Prior art keywords
- kuppe
- rail vehicle
- airflow guiding
- air
- connects
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
- B61D17/02—Construction details of vehicle bodies reducing air resistance by modifying contour ; Constructional features for fast vehicles sustaining sudden variations of atmospheric pressure, e.g. when crossing in tunnels
-
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
The invention provides an airflow guiding hood for a railway vehicle and the railway vehicle, and relates to the technology of vehicle roof airflow guiding hoods for railway vehicles. The airflow guiding hood for the railway vehicle comprises a first airflow guiding hood and a second airflow guiding hood, wherein the first airflow guiding hood is mounted in an air conditioning unit area; the second airflow guiding hood is mounted in a pantograph area; the first airflow guiding hood is connected with the second airflow guiding hood through a connecting piece; the connecting piece comprises a first connecting end and a second connecting end, wherein the first connecting end is connected with the first airflow guiding hood, and the second connecting end is connected with the second airflow guiding hood, so that the first airflow guiding hood is in smooth transition connection with the second airflow guiding hood through the connecting piece. The railway vehicle comprises the airflow guiding hood for the railway vehicle. The first airflow guiding hood is in smooth transition connection with the second airflow guiding hood through the connecting piece, so that the smooth transition of the air conditioning unit area and the pantograph area is realized; the air between the air conditioning unit area and the pantograph area has a function of guiding, so that the air resistance at the top of the vehicle body of the railway vehicle is reduced, and aerodynamic noises at the top of the vehicle body of the railway vehicle is reduced.
Description
Technical field
The present invention relates to Railway vehicle car roof wind deflector technology, particularly relate to a kind of rail vehicle kuppe and
Rail vehicle.
Background technology
The car body top of rail vehicle is typically provided with air-conditioner set and pantograph, transports at track vehicle high-speed
During row, the air-conditioner set of car body top and pantograph meeting and air contact, and then produce resistance, unfavorable
High-speed cruising in rail vehicle.
In prior art, air-conditioner set kuppe is generally installed on air-conditioner set, pantograph is installed
There is pantograph kuppe.But, owing to the windward side of air-conditioner set kuppe and pantograph kuppe is equal
Produce and there is gap between zone of positive pressure, and air-conditioner set kuppe and pantograph kuppe so that air-conditioning
Air movement disorder at gap between unit kuppe and pantograph kuppe, pressure drag increases
Greatly, bigger pressure drag and aerodynamic noise are produced.
Summary of the invention
For drawbacks described above of the prior art, the present invention provides a kind of rail vehicle kuppe and railcar
, it is possible to reduce the air drag at vehicle body of railway vehicle top, and reduce the gas at vehicle body of railway vehicle top
Moving noise.
The first aspect of the invention is to provide a kind of rail vehicle kuppe, including: the first kuppe and
Second kuppe；Described first kuppe is used for being arranged on air-conditioner set region, and described second kuppe is used
In being arranged on pantograph region；Connect between described first kuppe, the second kuppe and have connector；Institute
State connector to include: first connects end and second connects end, and described first connects end is used for and the first water conservancy diversion
Cover connects, and described second connects end for being connected with the second kuppe, so that described connector is by described the
One kuppe, the second kuppe rounding off connect.
Further, described the first of described connector connects to connect between end and the second connection end transition
Section, described changeover portion includes the inclined-plane with the first default inclination angle.
Further, described connector described first connect end be arc, and described first connect end with
Described first kuppe is suitable towards the tail end of described second kuppe.
Further, described second connection end includes two connecting portions being oppositely arranged, two described connecting portions
It is connected with two side kuppes of the second kuppe respectively.
Further, described connector removably connects with described first kuppe, the second kuppe respectively.
Further, described second kuppe deviates from the tail end of described first kuppe and is extended with gear towards inner side
Plate, the inner surface of described baffle plate is inclined plane.
Further, the inner surface of described baffle plate has default with the inner surface of described second kuppe tail end
Angle.
Further, two side kuppes of described second kuppe are provided with groove, the sidewall of described groove
There is the second inclination angle.
Another aspect of the present invention is to provide a kind of rail vehicle, and including car body, described car body top is provided with rail
Road vehicle kuppe, the rail vehicle kuppe described in the described any of the above-described item of rail vehicle kuppe.
The rail vehicle kuppe of present invention offer and rail vehicle, effectively prevent air-conditioning in prior art
Air movement disorder at gap between unit kuppe and pantograph kuppe, by connector by
One kuppe, the second kuppe rounding off connect, it is achieved air-conditioner set region is flat with pantograph region
Slip over and cross, the air between air-conditioner set region and pantograph region is had guide effect, thus reduces
The air drag at vehicle body of railway vehicle top, and reduce the aerodynamic noise at vehicle body of railway vehicle top.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention rail vehicle kuppe application schematic diagram on the rail vehicle；
Fig. 2 is that the A-A of Fig. 1 is to partial sectional view；
Fig. 3 is the structural representation of connector in embodiment of the present invention rail vehicle kuppe；
Fig. 4 is the top view of Fig. 3；
Fig. 5 is that the B-B of Fig. 4 is to partial sectional view.
Wherein,
110-air-conditioner set region；120-pantograph region；
210-the first kuppe；220-the second kuppe；
221-groove；230-connector；
231-first connects end；232-second connects end；
233-changeover portion.
Detailed description of the invention
Below in conjunction with the accompanying drawings, some embodiments of the present invention are elaborated.In situation about not conflicting
Under, the feature in following embodiment and embodiment can be mutually combined.
Wherein, " on ", D score, the term of "left", "right" etc., be for describing each structure attached
Relative position relation in figure, only understanding for ease of narration, and it is enforceable to be not used to limit the present invention
Scope, being altered or modified of its relativeness, changing under technology contents without essence, when being also considered as this
Bright enforceable category.
It should be noted that in describing the invention, term " first ", " second " side of being only used for
Different parts are just described, and it is not intended that instruction or hint ordinal relation, relative importance or hidden
Containing the quantity indicating indicated technical characteristic.Thus, " first ", the feature of " second " are defined
Can express or implicitly include at least one this feature.
Fig. 1 is embodiment of the present invention rail vehicle kuppe application schematic diagram on the rail vehicle；Fig. 2
For the A-A of Fig. 1 to partial sectional view；Refer to Fig. 1-2, the present embodiment provides a kind of rail vehicle to lead
Stream cover, including: the first kuppe 210 and the second kuppe 220；First kuppe 210 is used for installing
In air-conditioner set region 110, the second kuppe 220 is used for being arranged on pantograph region 120；First water conservancy diversion
Connect between cover the 210, second kuppe 220 and have connector 230；Connector 230 includes: first connects
End 231 and second connects end 232, and first connects end 231 is used for being connected with the first kuppe 210, the
Two connect ends 232 for being connected with the second kuppe 220 so that connector 230 by the first kuppe 210,
Second kuppe 220 rounding off connects.
In order to improve the comfortableness of track train, rail vehicle is typically provided with air-conditioner set, to prevent car
In railway carriage or compartment, temperature is too high or too low；Air-conditioner set is typically mounted on car body top, and a part is positioned at compartment
In, a part is positioned at outside compartment；When track train high-speed cruising, air-conditioner set is positioned at car body top
Part can produce resistance with air contact.Therefore, the air-conditioner set of car body top can be provided with first
Kuppe 210, so that air to carry out water conservancy diversion, reduces the air impact to air-conditioner set, and then reduces sky
Atmidometer.
First kuppe 210 may include that front flow guiding plate, rear deflector and be connected to front flow guiding plate, after
Two side deflectors between deflector；Front flow guiding plate, rear deflector and two side deflectors connect formation
Can wash in a pan the connection frame on air-conditioner set, front flow guiding plate, rear deflector and two side deflectors are arc
Shape plate.Wherein, the first kuppe 210 can removably connect with air-conditioner set, such as, be spirally connected, clamping,
Bonding etc.；Front flow guiding plate, rear deflector and two side deflectors can be by the frp layer of internal layer, in
The plate that the three-dimensional textile matte of interbed and the frp layer of outer layer are formed.
Rail vehicle usually relies on and is positioned at the pantograph transmission electric power of its car body top and drives.Work as railcar
When running at high speed, when especially speed per hour is more than 200,000 ms/h, noise produced by car body top
It is exactly mainly noise produced by pantograph and windage, and, speed is the fastest, and the noise of generation is also
The biggest.Therefore, the pantograph of car body top can be provided with the second kuppe 220, stop latasuture
Blow to pantograph, thus reduce the friction between air and pantograph, and then reduce aerodynamic noise.
Second kuppe 220 can include two side kuppes along the longitudinally opposed setting of car body, two phases
The side kuppe arranged is separately positioned on the both sides in pantograph region 120；The outer surface of side kuppe in
Streamlined, the cross section of side kuppe is substantially in up-narrow and down-wide trapezoidal, when running track vehicle high-speed
Air stream play guiding function, thus the windage that relatively reduced second kuppe 220 is subject to, also drop simultaneously
The noise that low second kuppe 220 produces with windage.
The rail vehicle kuppe that the present embodiment provides, effectively prevent air-conditioner set water conservancy diversion in prior art
The air movement disorder at gap between cover and pantograph kuppe, is led first by connector 230
Stream cover the 210, second kuppe 220 rounding off connects, it is achieved air-conditioner set region 110 and pantograph
Seamlessly transitting of region 120, has the air between air-conditioner set region 110 and pantograph region 120
There is guide effect, thus reduce the air drag at vehicle body of railway vehicle top, and reduce rail vehicle
The aerodynamic noise of car body top.
Fig. 3 is the structural representation of connector in embodiment of the present invention rail vehicle kuppe；Fig. 4 is figure
The top view of 3；Fig. 5 is that the B-B of Fig. 4 is to partial sectional view；Refer to Fig. 3-5, further, the
One connection end 231 is connected between end 232 connection with second has changeover portion 233, changeover portion 233 to include tool
There is the inclined-plane at the first default inclination angle.
In the present embodiment, by having the inclined-plane at the first inclination angle so that the windward side of connector 230 and rail
The air manifold produced when road vehicle high-speed runs is at a certain angle, and then air stream is diagonally gone up
Windward side flow up, thus reduce the air drag at vehicle body of railway vehicle top, and reduce rail
The aerodynamic noise at carbody top, road.Wherein, the span at the first inclination angle can be 33.4 degree extremely
50 degree.
Further, the first connection end 231 of connector 230 is arc, and first connects end 231
Suitable towards the tail end of the second kuppe 220 with the first kuppe 210, so that the of connector 230
The one tail end laminating connecting end 231 and the first kuppe 210；Second connection end 232 of connector 230
Including two connecting portions being oppositely arranged, two connecting portions two sides with the second kuppe 220 respectively are led
Stream cover connects.Connector 230 removably connects with first kuppe the 210, second kuppe 220 respectively.
Such as: connect end 231 by first bonding with the first kuppe 210；Or first connects end 231
Be respectively provided on two sides with at least two installing hole, by bolt by institute's connector 230 and the first deflector spiral shell
Connect.Second connecting portion connecting end 232 can be with on the side kuppe of sheathed second kuppe 220, the
Be equipped with at least two installing hole on two connecting portions connecting ends 232, by bolt by connector 230 with
Second kuppe 220 is spirally connected；Or by connecting portion and corresponding side kuppe clamping, with by the second water conservancy diversion
The side kuppe of cover 220 is plugged on the connecting portion of the second connection end 232.
Further, the second kuppe 220 includes two side kuppes and connects the tail of two side kuppes
End, the top of tail end is extended with baffle plate towards inner side；The inner surface of baffle plate is inclined plane, and baffle plate is interior
Surface has default angle with the inner surface of the second kuppe 220 tail end.This baffle plate is used for guide rail
The air stream produced when vehicle high-speed runs, to reduce the air drag at vehicle body of railway vehicle top further,
Reduce the aerodynamic noise at vehicle body of railway vehicle top.The span of this angle can be 1 degree to 70 degree.
Further, two side kuppes of the second kuppe 220 are provided with groove 221, groove 221
Sidewall there is the second inclination angle.Wherein, the span of the width-telescopic coefficient bottom groove 221 is 1
To 1.2, the span at the second inclination angle is 20 degree to 70 degree.This groove 221 is for guide rail car
The air stream produced during high-speed cruising, to reduce the air drag at vehicle body of railway vehicle top further,
Reduce the aerodynamic noise at vehicle body of railway vehicle top.
Use the rail vehicle kuppe of the present embodiment, 3 marshalling EMUs are transported with 250km/h speed
Row carries out simulation calculation, and result of calculation contrast is as follows:
(1) car load drag overall is 18314N, reduces 1.62% than prior art；Middle car (includes
Rail vehicle kuppe, pantograph etc.) resistance reduction 2.42%；Kuppe resistance reduces 13.72%.
(2) rail vehicle kuppe resistance ratios prior art is little by 13.72%, and an end pantograph is with fall
The resistance ratios prior art that bow mode is run is little by 6.64%, and "A" end of car pantograph is run in rising bow mode
Resistance ratios prior art is little by 4.28%.
(3) in the middle of, car lift is-2293N, and trailer lift is 5973N, and its trailer lift coefficient is 0.1627.
It is little by 26.25% that middle car rises force rate prior art, and trailer lift is little by 2.98%.
(4) maximum acoustical power in surface is 118.2dB, reduces 3.9dB than prior art.
(5) average sound pressure level of car load noise evaluation point is 87.36dBA, reduces than prior art
0.49dBA, kuppe region maximum sound pressure level reduces 0.9dBA.
(6) aerodynamic noise maximum sound pressure level in far field reduces 0.59dBA.
The rail vehicle kuppe that the present embodiment provides, simple and compact for structure, aerodynamic performance and pneumatic make an uproar
Acoustic performance is preferable, it is possible to reduce car load operation energy consumption.
The present embodiment also provides for a kind of rail vehicle, and including car body, car body top is provided with rail vehicle kuppe, rail
Road vehicle kuppe is the rail vehicle kuppe in any of the above-described embodiment.
Wherein, the structure of rail vehicle kuppe, function are similar with previous embodiment, and here is omitted.
The rail vehicle that the present embodiment provides, effectively prevent in prior art air-conditioner set kuppe and is subject to
Air movement disorder at gap between pantograph kuppe, by connector by the first kuppe, second
Kuppe rounding off connects, it is achieved air-conditioner set region seamlessly transits, to air-conditioning with pantograph region
Air between unit region and pantograph region has guide effect, thus reduces vehicle body of railway vehicle
The air drag at top, and reduce the aerodynamic noise at vehicle body of railway vehicle top.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, rather than right
It limits；Although the present invention being described in detail with reference to foregoing embodiments, this area common
Skilled artisans appreciate that the technical scheme described in foregoing embodiments still can be modified by it,
Or the most some or all of technical characteristic is carried out equivalent；And these amendments or replacement, and
The essence not making appropriate technical solution departs from the scope of various embodiments of the present invention technical scheme.
Claims (9)
1. a rail vehicle kuppe, it is characterised in that including: the first kuppe and the second kuppe；
Described first kuppe is used for being arranged on air-conditioner set region, and described second kuppe is used for being arranged on by electricity
Bow region；
Connect between described first kuppe, the second kuppe and have connector；Described connector includes: the
One connects end and second connects end, and described first connects end is used for being connected with described first kuppe, described
Second connects end for being connected with described second kuppe so that described connector by described first kuppe,
Second kuppe rounding off connects.
Rail vehicle kuppe the most according to claim 1, it is characterised in that the institute of described connector
State the first connection end and second to connect to connect between end and have changeover portion, described changeover portion to include having default
The inclined-plane at the first inclination angle.
Rail vehicle kuppe the most according to claim 1, it is characterised in that the institute of described connector
Stating the first connection end is arc, and described first connects end with described first kuppe towards described second
The tail end of kuppe is suitable.
Rail vehicle kuppe the most according to claim 1, it is characterised in that described second connects
End includes two connecting portions being oppositely arranged, two described connecting portions respectively with two sides of the second kuppe
Kuppe connects.
Rail vehicle kuppe the most according to claim 1, it is characterised in that described connector divides
Do not removably connect with described first kuppe, the second kuppe.
Rail vehicle kuppe the most according to claim 1, it is characterised in that described second water conservancy diversion
Cover deviates from the tail end of described first kuppe and is extended with baffle plate towards inner side, and the inner surface of described baffle plate is for inclining
Inclined-plane.
Rail vehicle kuppe the most according to claim 6, it is characterised in that described baffle plate interior
Surface has default angle with the inner surface of described second kuppe tail end.
Rail vehicle kuppe the most according to claim 1, it is characterised in that described second water conservancy diversion
Two side kuppes of cover are provided with groove, and the sidewall of described groove has the second inclination angle.
9. a rail vehicle, it is characterised in that include that car body, described car body top are provided with rail vehicle water conservancy diversion
Cover, described rail vehicle kuppe is the rail vehicle kuppe described in any one of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610397276.7A CN105922998B (en) | 2016-06-06 | 2016-06-06 | Rail vehicle pod and rail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610397276.7A CN105922998B (en) | 2016-06-06 | 2016-06-06 | Rail vehicle pod and rail vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105922998A true CN105922998A (en) | 2016-09-07 |
| CN105922998B CN105922998B (en) | 2019-01-25 |
Family
ID=56832700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610397276.7A Active CN105922998B (en) | 2016-06-06 | 2016-06-06 | Rail vehicle pod and rail vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105922998B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107444417A (en) * | 2017-06-21 | 2017-12-08 | 中车青岛四方机车车辆股份有限公司 | A kind of rail vehicle and its body construction |
| CN109131389A (en) * | 2018-09-14 | 2019-01-04 | 中车青岛四方机车车辆股份有限公司 | A kind of roof structure of rail vehicle |
| CN111907539A (en) * | 2019-07-22 | 2020-11-10 | 中车大同电力机车有限公司 | Locomotive head shape and locomotive |
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| CN101353019A (en) * | 2008-08-05 | 2009-01-28 | 铁道部运输局 | Pantograph flow guiding device of high speed rail vehicle |
| CN202966322U (en) * | 2012-12-25 | 2013-06-05 | 河北株丕特玻璃钢制品有限公司 | Roof air deflection cover for trains |
| CN203958154U (en) * | 2014-06-24 | 2014-11-26 | 南车青岛四方机车车辆股份有限公司 | A kind of inter-city train and air guide sleeve of air-conditioner thereof |
| CN105620500A (en) * | 2014-10-28 | 2016-06-01 | 上海略帷汽车设计有限公司 | Balance-pressure high-speed train head |
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| CN101353019A (en) * | 2008-08-05 | 2009-01-28 | 铁道部运输局 | Pantograph flow guiding device of high speed rail vehicle |
| CN202966322U (en) * | 2012-12-25 | 2013-06-05 | 河北株丕特玻璃钢制品有限公司 | Roof air deflection cover for trains |
| CN203958154U (en) * | 2014-06-24 | 2014-11-26 | 南车青岛四方机车车辆股份有限公司 | A kind of inter-city train and air guide sleeve of air-conditioner thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107444417A (en) * | 2017-06-21 | 2017-12-08 | 中车青岛四方机车车辆股份有限公司 | A kind of rail vehicle and its body construction |
| CN107444417B (en) * | 2017-06-21 | 2019-05-17 | 中车青岛四方机车车辆股份有限公司 | A kind of rail vehicle and its body construction |
| CN109131389A (en) * | 2018-09-14 | 2019-01-04 | 中车青岛四方机车车辆股份有限公司 | A kind of roof structure of rail vehicle |
| CN111907539A (en) * | 2019-07-22 | 2020-11-10 | 中车大同电力机车有限公司 | Locomotive head shape and locomotive |
| CN111907539B (en) * | 2019-07-22 | 2022-06-10 | 中车大同电力机车有限公司 | Locomotive head shape and locomotive |
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| Publication number | Publication date |
|---|---|
| CN105922998B (en) | 2019-01-25 |
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Inventor after: Han Lu Inventor after: Li Liangjie Inventor after: Kong Fanbing Inventor after: Guan Quanmei Inventor after: Sun Shujuan Inventor after: Wang Li Inventor after: Wang Zhaomei Inventor after: Li Guoqing Inventor before: Han Lu Inventor before: Kong Fanbing Inventor before: Guan Quanmei Inventor before: Wang Li Inventor before: Li Liangjie Inventor before: Wang Zhaomei Inventor before: Li Guoqing |
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