CN202186389U - Air delivery duct for meeting room of railway special vehicle - Google Patents
Air delivery duct for meeting room of railway special vehicle Download PDFInfo
- Publication number
- CN202186389U CN202186389U CN2011203182130U CN201120318213U CN202186389U CN 202186389 U CN202186389 U CN 202186389U CN 2011203182130 U CN2011203182130 U CN 2011203182130U CN 201120318213 U CN201120318213 U CN 201120318213U CN 202186389 U CN202186389 U CN 202186389U
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Abstract
The utility model discloses an air delivery duct for a meeting room of a railway special vehicle, which comprises a main air duct and a secondary air duct, wherein the main air duct is lifted on a vehicle top steel structure; the secondary air duct is lifted below the main air duct and longitudinally distributed along a vehicle body; the secondary air duct consists of hollow strip sectional materials; the side wall of the inner end of the secondary air duct is provided with secondary air duct air inlets along a longitudinal gap; the secondary air duct air inlets are connected with an air outlets of the main air duct by a connecting air duct; the side wall of the outer end of the secondary air duct is provided with secondary air duct air outlets along the longitudinal direction; and the distribution density of the secondary air duct air inlets is lower than that of the secondary air duct air outlets. The air delivery duct for the meeting room of the railway special vehicle introduces air in the main air duct into the secondary air duct by the connecting air duct and carries out primary pressure reduction; and then, the air is blown out offrom the air outlets of the secondary air duct and is subjected to secondary pressure reduction; the air speed is relieved; the air speed at the air outlets is effectively decreased; the noise is decreased; the air delivery is guaranteed to be uniform and stable, so that personnel participating in a meeting cannot feel an unfavorable feeling of being blown by the air; simultaneously, the air temperature in the vehicle is guaranteed to be decreased or increased stably; and the comfortableness of a human body is greatly promoted.
Description
Technical field
The utility model relates to railway special vehicle meeting room air delivery duct, belongs to a/c system air channel technical field.
Background technology
Railway special vehicle meeting room air conditioner ventilation road and wind pushing form according to car body specific (special) requirements arrange that meeting room air-conditioning wind pushing form adopted mesh-type top board air-supply more in the past.Mesh-type top board air-supply wind speed requires harsh, and general single wind pushing hole diameter is at 3-7mm, and the fast height of blowing is easy to generate utters long and high-pitched sounds; Air supply velocity is low, poor refrigerating efficiency.Top board mesh quantity multiaspect is long-pending big in addition, in order to guarantee air-supply evenly, does not have the air-supply dead angle.Full roof hoard is provided with tens thousand of breather ports, and in use top board needs periodic cleaning, and handling labor is heavy.Mesh-type top board air-supply overall noise is bigger than normal, and generally about 60-62db can't satisfy the operating needs of meeting room.
Summary of the invention
The utility model technical matters to be solved is, overcomes the above-mentioned shortcoming of prior art, and a kind of railway special vehicle meeting room air delivery duct is provided, air-supply peace and quiet and good refrigeration effect.
In order to solve above technical matters; The railway special vehicle meeting room air delivery duct that the utility model provides; Form and comprise the air trunk that is lifted on the roof steel structure, it is characterized in that: also comprise being lifted on the air trunk below along the inferior air channel that car body is vertically arranged, said time the air channel is made up of hollow strip shape section bar; The inner sidewall in said air channel longitudinally the gap offer time air channel ventilation inlet; Inferior air channel ventilation inlet is connected with the air outlet of air trunk through connecting the air channel, and outer end, said air channel sidewall longitudinally offers time air channel air outlet, and the distribution density of said air channel ventilation inlet is lower than time distribution density of air channel air outlet.
Further; The upper side wall in said air channel extends with the inboard top board of car outward to be fixed; The below of said air channel air outlet is provided with and is fixed on time illuminating lamp band of outer end, air channel sidewall; The fixing cover plate of blowing of the lower wall in inferior air channel, said air-supply cover plate are tiltedly gone up laterally and are extended, and are fixed with middle top board in the car in the compartment between the inner sidewall in time air channel, the left and right sides.
Further, said air-supply cover plate extends to the inside and the end upwarps the formation carriage, and the carriage upper fixed has horizontally disposed pressing plate, and middle top board is fixed between said carriage and the pressing plate in the said car.
Further, said air-supply cover plate is connected through bolt with time air channel, and has connected structure between air-supply cover plate and time air channel.
Further; Roof steel structure longitudinally being welded with of gap hangs iron; Hang the iron below and be fixed with air channel joist, aluminium longeron, the iron of air channel connection for the first time, the iron of air channel connection for the second time successively; Said air trunk is positioned on the joist of air channel, and said air channel is connected ferropexy with air channel for the second time.
Further again, said air trunk is provided with air quantity controller with being connected between the air channel.
Further again, the distribution density of said air channel ventilation inlet is time 1/2-1/4 of the distribution density of air channel air outlet.
The utility model is introduced time air channel with the wind in the air trunk through connecting the air channel; Because time inside, air channel is cavity; Therefore once decompression has been carried out in the wind of air trunk entering time air channel, and after wind blows out from the air outlet in inferior air channel again, because time air channel air outlet distribution density is higher than inferior air channel ventilation inlet distribution density; Therefore the wind that blows out has experienced the secondary decompression, and wind speed is able to alleviate; Therefore, the inferior air channel of the utility model has static pressure chamber air-supply function concurrently in the air-supply process; Can effectively reduce the air outlet wind speed; Noise-decreasing guarantees that air-supply evenly, gently, can not feel by the bad sensation of " wind " personnel participating in the meeting; Guarantee the steady decrease or the rising of temperature in the car simultaneously, improved human body comfort greatly.
In addition; The section bar in inferior air channel is also as the link of a key; Top board all is fixed on the sidewall in time air channel in the inboard top board of car, illuminating lamp band, spot lamp band, the car, is the vitals of interior air conditioner ventilation of car and upholstery, compares with the upholstery structure with the tradition ventilation system; Adopt the utility model scheme to reduce installing component in the car greatly, it is high to have simplified installation process and assembly precision.Owing to adopt the design concept of simplification, so car inner top decorative appearance is graceful, attractive in appearance, meets modern aesthetic.It is level and smooth, soft that this kind time air channel section bar is combined in the inner line-dividing of car, and can hide the attaching parts between each several part, promoted Che Neinei dress class.
It is thus clear that, the utility model ingenious conception, simple in structure, quick and easy for installation, reduce air-conditioning air-supply noise, and refrigeration is evenly effective.The utility model will be widely used in field of track traffic, have good market outlook.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is the utility model railway special vehicle meeting room air delivery duct structural representation.
Fig. 2 is the utility model air delivery duct air-supply scheme drawing.
The specific embodiment
The railway special vehicle meeting room air delivery duct of present embodiment; Like Fig. 1, shown in Figure 2; Composition comprises: be lifted on roof steel structure 1 air trunk 2, be lifted on air trunk 2 belows along inferior air channel 3 that car body is vertically arranged; Said time air channel 3 is made up of hollow strip shape section bar, said air channel 3 inner sidewall longitudinally the gap offer time air channel ventilation inlet 31, inferior air channel ventilation inlet 31 is connected with the air outlet of air trunk 2 through connecting air channel 4; Said time air channel 3 outer end sidewalls longitudinally offer time air channel air outlet 32, and the distribution density of said air channel ventilation inlet 31 is lower than time distribution density of air channel air outlet 32.Roof steel structure 1 longitudinally being welded with of gap hangs iron 5; Hang iron 5 belows and be fixed with air channel joist 6, aluminium longeron 7, the iron 81 of air channel connection for the first time, the iron 82 of air channel connection for the second time successively; Air trunk 2 is positioned on the air channel joist 6, and inferior air channel 3 is connected iron 82 with air channel for the second time and fixes.Arrow is represented wind direction among the figure.
Among the embodiment as shown in Figure 1; The upper side wall in inferior air channel 3 extends with the inboard top board 9 of car outward to be fixed; The below of inferior air channel air outlet 32 is provided with and is fixed on time illuminating lamp band 10 of air channel 3 outer end sidewalls, and the fixing air-supply of the lower wall in inferior air channel 3 cover plate 11 extends on the air-supply cover plate 11 outside skew backs; Be fixed with the interior middle top board 12 of car between the inner sidewall in time air channel 3, the left and right sides in the compartment (the half the structure compartment that only draws in this example in, second half and its symmetry).Particularly, in this example, air-supply cover plate 11 extends to the inside and the end upwarps formation carriage 13, and carriage 13 upper fixed have horizontally disposed pressing plate 14, and middle top board 12 is fixed between said carriage 13 and the pressing plate 14 in the car.
In this example, fan housing plate 11 and time air channel 3 are connected through bolt, and blow and have connected structure 15 between cover plate 11 and the inferior air channel.
Regulate temperature for the ease of controlling through air output, air trunk 2 is provided with air quantity controller 16 with being connected between the air channel 3, and air quantity controller can be selected for use and be volume damper.In this example, the distribution density of said air channel ventilation inlet is time about 1/2 (the subregion scheme drawing only draws among the figure) of the distribution density of air channel air outlet.That is to say, ventilation inlet corresponding two air outlets, the reduction that wind speed obtains, air-out is more even.Generally speaking, the quantity of inferior air channel air outlet is that the 2-4 that connects air channel quantity doubly is advisable.
Except that the foregoing description, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (7)
1. railway special vehicle meeting room air delivery duct; Form and comprise the air trunk that is lifted on the roof steel structure; It is characterized in that: also comprise being lifted on the air trunk below along the vertical inferior air channel of arranging of car body; Said time the air channel is made up of hollow strip shape section bar, the inner sidewall in said air channel longitudinally the gap offer time air channel ventilation inlet, inferior air channel ventilation inlet is connected with the air outlet of air trunk through connecting the air channel; Outer end, said air channel sidewall longitudinally offers time air channel air outlet, and the distribution density of said air channel ventilation inlet is lower than time distribution density of air channel air outlet.
2. railway special vehicle meeting room according to claim 1 air delivery duct; It is characterized in that: the upper side wall in said air channel extends with the inboard top board of car outward to be fixed; The below of said air channel air outlet is provided with and is fixed on time illuminating lamp band of outer end, air channel sidewall; The fixing cover plate of blowing of the lower wall in inferior air channel, said air-supply cover plate are tiltedly gone up laterally and are extended, and are fixed with middle top board in the car in the compartment between the inner sidewall in time air channel, the left and right sides.
3. railway special vehicle meeting room according to claim 2 air delivery duct; It is characterized in that: said air-supply cover plate extends to the inside and the end upwarps the formation carriage; The carriage upper fixed has horizontally disposed pressing plate, and middle top board is fixed between said carriage and the pressing plate in the said car.
4. railway special vehicle meeting room according to claim 3 air delivery duct is characterized in that: said air-supply cover plate is connected through bolt with time air channel, and has connected structure between air-supply cover plate and time air channel.
5. railway special vehicle meeting room according to claim 4 air delivery duct; It is characterized in that: roof steel structure longitudinally being welded with of gap hangs iron; Hang the iron below and be fixed with air channel joist, aluminium longeron, the iron of air channel connection for the first time, the iron of air channel connection for the second time successively; Said air trunk is positioned on the joist of air channel, and said air channel is connected ferropexy with air channel for the second time.
6. railway special vehicle meeting room according to claim 5 air delivery duct is characterized in that: said air trunk is provided with air quantity controller with being connected between the air channel.
7. railway special vehicle meeting room according to claim 6 air delivery duct is characterized in that: the distribution density of said air channel ventilation inlet is time 1/2-1/4 of the distribution density of air channel air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203182130U CN202186389U (en) | 2011-08-29 | 2011-08-29 | Air delivery duct for meeting room of railway special vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203182130U CN202186389U (en) | 2011-08-29 | 2011-08-29 | Air delivery duct for meeting room of railway special vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202186389U true CN202186389U (en) | 2012-04-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203182130U Expired - Lifetime CN202186389U (en) | 2011-08-29 | 2011-08-29 | Air delivery duct for meeting room of railway special vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202186389U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102358305A (en) * | 2011-08-29 | 2012-02-22 | 南车南京浦镇车辆有限公司 | Special air supply duct for railway special vehicle meeting room |
| CN103303327A (en) * | 2013-06-20 | 2013-09-18 | 南车南京浦镇车辆有限公司 | Flow guide air duct for subway vehicle |
| CN112550328A (en) * | 2020-07-29 | 2021-03-26 | 中车青岛四方机车车辆股份有限公司 | Air duct structure of railway vehicle, railway vehicle and control method of railway vehicle |
-
2011
- 2011-08-29 CN CN2011203182130U patent/CN202186389U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102358305A (en) * | 2011-08-29 | 2012-02-22 | 南车南京浦镇车辆有限公司 | Special air supply duct for railway special vehicle meeting room |
| CN102358305B (en) * | 2011-08-29 | 2015-09-23 | 南车南京浦镇车辆有限公司 | Air delivery duct of conference room of special railway vehicle |
| CN103303327A (en) * | 2013-06-20 | 2013-09-18 | 南车南京浦镇车辆有限公司 | Flow guide air duct for subway vehicle |
| CN112550328A (en) * | 2020-07-29 | 2021-03-26 | 中车青岛四方机车车辆股份有限公司 | Air duct structure of railway vehicle, railway vehicle and control method of railway vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120411 Effective date of abandoning: 20150923 |
|
| RGAV | Abandon patent right to avoid regrant |