CN103158732B - Speed motor train unit air conditioner ducting system - Google Patents
Speed motor train unit air conditioner ducting system Download PDFInfo
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- CN103158732B CN103158732B CN201110420375.XA CN201110420375A CN103158732B CN 103158732 B CN103158732 B CN 103158732B CN 201110420375 A CN201110420375 A CN 201110420375A CN 103158732 B CN103158732 B CN 103158732B
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Abstract
The present invention relates to a kind of speed motor train unit air conditioner ducting system, comprise air-conditioner set, air-conditioner set is communicated with the air outlet be arranged in car and return air inlet by supply air duct and return airway, air-conditioner set is communicated with fresh wind port by new wind air channel, described supply air duct comprises the top supply air duct being arranged in car body top middle section and/or top, the side being positioned at Ce Ding region, car body both sides supply air duct, and described middle top supply air duct and top, side supply air duct evenly offer multiple air outlet.The present invention is from the central authorities in compartment and two Lateral supply, from one end return air in compartment, be conducive to air flowing and distribution in adjustment car, make air current composition in car even, ensure to form more even and stable temperature, humidity, air-flow velocity and cleanliness in compartment, to meet the requirement of occupant comfort sense.In addition, indoor set is arranged on the one end in compartment, and return air inlet is arranged on the position near indoor set, reduces back wind resistance, reduces internal car noise, improve the traveling comfort of vehicle ride.
Description
Technical field
The present invention relates to a kind of air conditioning duct system, particularly a kind of air conditioning duct system used on more speed grade motor train unit, belongs to railway vehicle air conditioner manufacturing technology field.
Background technology
In middle and high fast motor train unit, often save compartment and be generally equipped with two air-conditioner set, every platform air-conditioner set adopts cellular structure, and air-conditioner set complete machine is arranged in vehicle bottom, is also provided with air interchanger at vehicle bottom.Air-conditioner set is connected with the air outlet in car and return air inlet with return airway by supply air duct, air outlet comprises compartment inner wind outlet, by platform air outlet and sanitary accomodation air outlet, return air inlet to comprise in compartment return air inlet and by platform return air inlet, useless exhaust outlet is provided with in sanitary accomodation with by platform, useless exhaust outlet is connected with air interchanger by useless air exhausting duct, and air interchanger is connected with the new wind entrance being positioned at car body end by fresh flue.
Supply air duct is blown under mainly comprising the car be connected with air-conditioner set and is connected air channel, under car, air-supply connection air channel is connected with air delivery duct in floor through the base plate of car body, in floor, air delivery duct is connected with air channel between the multiple windows be arranged in vehicle body side wall through behind floor, between window, the top in air channel converges to air delivery duct, top, car side, air delivery duct, top, car side is along the elongated setting of longitudinal direction of car body, and the air outlet in compartment is opened on this air delivery duct, top, car side uniformly.
Under return airway mainly comprises the car be connected with air-conditioner set, return air connects air channel, under car, return air connection air channel is connected with air return duct in floor through the base plate of car body, in floor, air return duct is connected with return air inlet in compartment with by platform return air inlet through floor, return air inlet in car is arranged at the bottom section in compartment, is generally arranged on the lower position of seat.
More speed grade motor train unit, no matter be speed or project organization, all there is larger difference with vehicle in the past, the air conditioning duct system of existing motor train unit cannot meet the higher requirement to homogeneity of blowing in air-tightness and car, therefore only for the air conditioner system that the actual conditions development and design of more speed grade motor train unit is suitable, the air parameter in passenger vehicle and air quality just can be made to reach requirement, for passenger provides comfortable traveling environment.
Summary of the invention
Main purpose of the present invention is to solve the problem, and provides a kind of air channel structure simple, and evenly, allocation of the amount of air rationally and be easy to control, and effectively can reduce the speed motor train unit air conditioner ducting system of noise in air-supply.
For achieving the above object, technical scheme of the present invention is:
A kind of speed motor train unit air conditioner ducting system, comprise air-conditioner set, described air-conditioner set is communicated with the air outlet be arranged in car and return air inlet by supply air duct and return airway, described air-conditioner set is communicated with fresh wind port by new wind air channel, it is characterized in that: described supply air duct comprises the top supply air duct being arranged in car body top middle section and top, two sides supply air duct being positioned at Ce Ding region, car body both sides, and described middle top supply air duct and top, side supply air duct evenly offer multiple air outlet;
At the air outlet place of described air-conditioner set indoor set, one air-supply blending bin is set, the ventilation inlet of described air-supply blending bin is communicated with air-conditioner set indoor set, described air-supply blending bin arranges multiple air outlet and pushes up supply air duct with described middle top supply air duct with two sides and be communicated with;
Arrange a return air blending bin in the air inlet of described indoor set, two ventilation inlets in described return air blending bin are communicated with new wind air channel with described return airway respectively, and the air outlet in described return air blending bin is communicated with described indoor set;
The air quantity diversion device being provided with between supply air duct and pushing up supply air duct air quantity for shunting described middle top supply air duct and two sides is pushed up at the air outlet of air-conditioner set indoor set and described middle top supply air duct and side.
Further, described air-conditioner set comprises indoor set and off-premises station, and under described off-premises station is hung on car, described indoor set is installed on the one end in compartment, and described indoor set is connected by refrigerant pipeline with off-premises station.
Further, described return air inlet is arranged at the one end in compartment.
Further, described fresh wind port is arranged on the car external position above car body side window.
Further, described middle top supply air duct is along the elongated setting of length direction of described car body, and air outlet is opened on the lower surface of described middle top supply air duct equably.
Further, top, described side supply air duct is along the elongated setting of length direction of described car body, and air outlet is opened on the sidewall of top, described side supply air duct equably.
Further, supply air duct and/or top, side supply air duct is pushed up during the top board in driver's cab is provided with.
Further, on the return air inlet of the described driver's cab rear end door that is arranged on described driver's cab or back-end wall.
Further, described air-supply blending bin has three air outlets, push up supply air duct and top, two sides supply air duct in connecting respectively, in described air-supply blending bin, be provided with the air quantity diversion device for pushing up supply air duct and top, two sides supply air duct air quantity in distribution simultaneously.
Further, described air-supply blending bin has two air outlets, an air outlet pushes up supply air duct with side described in one of them and is connected, another air outlet connects a middle air channel, described middle air channel is connected with the top supply air duct of described middle top supply air duct and opposite side more respectively, in described air-supply blending bin, being provided with the air quantity for distributing a described side top supply air duct and middle air channel, in described middle air channel, being provided with the air quantity diversion device pushing up supply air duct air quantity for distributing described middle top supply air duct and another side.
Further, described air-supply blending bin has an air outlet, an air outlet is connected with middle air channel, middle air channel push up supply air duct with described middle top supply air duct and two sides again and is connected, and is provided with the air quantity diversion device pushing up supply air duct air quantity for pushing up supply air duct and two sides in distributing in described middle air channel.
Further, described air quantity diversion device is the deflecting plate of arc.
Further, described deflecting plate is aluminium sheet or glass epoxy, and described deflecting plate is covered with sound absorber and/or thermal insulating material.
Further, the inwall of the shell of described air-supply blending bin is provided with sound absorption materials.
Further, the inwall of the shell of described return air blending bin is provided with sound absorption materials.
Further, be connected by soft air duct with between described supply air duct and return airway in described air-supply blending bin and return air blending bin.
Further, in described car, floor is provided with useless arranging device, described useless arranging device is communicated with the useless exhaust outlet in car by useless air exhausting duct, and the exhaust outlet place of described useless arranging device is provided with operated pneumatic valve.
To sum up content, a kind of speed motor train unit air conditioner ducting system of the present invention, integral structure is simple, from central authorities and two Lateral supply in compartment, from one end return air in compartment, be conducive to air flowing and distribution in adjustment car, make air current composition in car even, ensure to form more even and stable temperature, humidity, air-flow velocity and cleanliness in compartment, to meet the requirement of occupant comfort sense.Meanwhile, by the setting of blending bin of blowing, make the flow control of each supply air duct more reasonable, and then best air flow rate proportioning can be reached, also make the air quantity in each air channel more be easy to control simultaneously.The air of discharging from air-conditioner set indoor set obtains certain buffering in air-supply blending bin, makes more evenly to relax to the air-supply in compartment, also can reduce the pneumatic noise in air-conditioner set and air channel, improve the traveling comfort taken further.
In addition, indoor set is arranged on the one end in compartment, and supply air duct is all arranged on roof, and return air inlet is arranged at the one end near indoor set, is conducive to reducing back wind resistance.In car, waste gas is discharged by the useless arranging device be installed in car on floor, also helps the air-tightness ensureing vehicle.
Accompanying drawing explanation
Fig. 1 structural representation of the present invention;
Fig. 2 is the direction view of bowing of Fig. 1;
Fig. 3 is the B-B cutaway view of Fig. 2;
Fig. 4 is the C-C cutaway view of Fig. 2;
Fig. 5 is top, side of the present invention supply air duct section structure schematic diagram;
Fig. 6 pushes up supply air duct and top, side supply air duct flow dividing structure schematic diagram in the present invention;
Fig. 7 is that the present invention blows blending bin structural representation;
Fig. 8 is return air blending bin structural representation of the present invention.
As shown in Figures 1 to 8, indoor set 1, compartment 2, return airway 3, middle top supply air duct 4, left side of car top supply air duct 5, right side of car top supply air duct 6, top, side air outlet 7, air-supply blending bin 8, car body 9, ventilation inlet 10, air outlet 11, middle air channel 12, air outlet 13, first part flow arrangement 14, sound absorber 15, sound absorption materials 16, sound-absorbing orifice plate 17, warm material 18, second part flow arrangement 19, new wind air channel 20, fresh wind port 21, return air blending bin 22, shell 23, ventilation inlet 24, air outlet 25, sound absorption materials 26, sound-absorbing orifice plate 27, bolt 28, useless arranging device 29, useless air exhausting duct 30, sanitary accomodation 31, soft air duct 32, shell 33.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the present invention is described in further detail:
Embodiment one:
As shown in Figure 1, speed motor train unit air conditioner ducting system, comprise air-conditioner set, in the present embodiment, air-conditioner set is split-type structural, and comprise indoor set 1 and off-premises station (not shown), off-premises station is hung on down, indoor set 1 is installed on the one end in compartment 2, and indoor set 1 is connected by refrigerant pipeline with off-premises station.Air-conditioner set adopts split-type structural, can shorten the length in air channel, and then alleviate the total weight in air channel, meet the requirement that more speed grade motor train unit are higher to vehicle weight-saving.Meanwhile, the shortening in air channel can also make refrigerating capacity obtain larger utilization, decreases loss that is long due to air channel and the cold caused, improves the refrigerating efficiency of complete machine.
The air outlet of indoor set 1 is communicated with supply air duct, for being conveyed through the air of evaporator process in compartment 2, to regulate temperature, humidity and the freshness in compartment 2, the ventilation inlet of indoor set 1 is communicated with return airway 3, carries out interchange of heat for the air in compartment 2 and new wind being flowed in indoor set 1 with evaporator.
In the present embodiment, often save in compartment 2 and arrange a return air inlet, return air inlet (not shown) is arranged at one end near indoor set 1, compartment 2, is conducive to reducing back wind resistance.Return air inlet is arranged on the top of the headwall in compartment 2, or is arranged on the top board in compartment 2, and return air inlet adopts the structure of grid, and return air inlet is communicated with return airway 3, and return airway 3 is also positioned at the one end in compartment 2.
As shown in Figure 2, supply air duct comprises the top supply air duct 4 being arranged in top central region, compartment 2, is positioned at the left side of car top supply air duct 5 in region, top, a side, is positioned at the right side of car top supply air duct 6 in region, top, “A” end of car side.In compartment 2, can only select to arrange middle top supply air duct 4, or only select left side of car top supply air duct 5 and right side of car top supply air duct 6, in the present embodiment, preferably, supply air duct comprises above-mentioned three air channels, blow in compartment 2 from the central authorities in compartment 2 and both sides, and from one end centralized return air system in compartment 2, this air-supply and air return method are conducive to air flowing and distribution in adjustment car simultaneously, make air current composition in car more even, meet the requirements at the higher level of passenger to compartment 2 environment traveling comfort.
Middle top supply air duct 4 is along the elongated setting of length direction of car body, middle top supply air duct 4 is rectangular box type construction, middle top supply air duct 4 is fixed on car body 9 by fasteners such as bolts, multiple for pushing up air outlet (not shown) in air-supply in compartment 2 by the lower surface that pushes up supply air duct 4 in platform position offers equably in compartment 2.
Left side of car top supply air duct 5 and right side of car top supply air duct 6 are also along the elongated setting of length direction of car body, as shown in Figure 5, left side of car top supply air duct 5 and right side of car top supply air duct 6 are curved box type construction, the radian of its shape and position, car body side top matches, left side of car top supply air duct 5 and right side of car top supply air duct 6 are fixed on car body 9 by fasteners such as bolts 28, the sidewall of left side of car top supply air duct 5 and right side of car top supply air duct 6 all evenly offers top, multiple side for air-supply in compartment 2 air outlet 7, top, side air outlet 7 is positioned at the top of both sides, compartment 2 baggage rack.
As shown in Figure 3 and Figure 7, at the air outlet place of air-conditioner set indoor set 1, an air-supply blending bin 8 is set, air-supply blending bin 8 is a part for supply air duct, for the air outlet place air out of machine 1 is indoor carried out mixing and then distributing according to air quantity, be both and reduce air-conditioner set and pneumatic noise.Air-supply blending bin 8 comprises box-shaped enclosure 33, and shell 33 is fixedly connected with by the housing of bolt with indoor set 1.Shell 33 has the ventilation inlet 10 be communicated with indoor set 1, the air outlet 11 be communicated with left side of car top supply air duct 5, the air outlet 13 that is communicated with middle air channel 12, and middle air channel 12 is communicated with middle top supply air duct 4 and right side of car top supply air duct 6 more respectively.
The first part flow arrangement for shunting is provided with in air-supply blending bin 8, first part flow arrangement 14 is the arc deflector be arranged in shell 33, deflecting plate is set to two, for mating the air quantity carried to left side of car top supply air duct 5 and middle air channel 12 from air outlet 11 and air outlet 13.Deflecting plate adopts aluminium sheet, aluminium sheet is covered with glass silk flosssilk wadding sound absorber 15 again, aluminium sheet has several sound-absorption hole, play the effect of good absorbing sound and lowering noise, is also conducive to expendable weight simultaneously.
In order to reduce noise further, the inwall of the shell 33 of air-supply blending bin 8 applying one deck glass silk flosssilk wadding sound absorption materials 16 again, one deck sound-absorbing orifice plate 17 is set in the outside of sound absorption materials 16 again.In order to prevent shell 33 from condensing, simultaneously in order to ensure that cold does not lose, the outer wall of shell 33 applies the quiet get Er warm material 18 of one deck.For expendable weight, shell 33 and sound-absorbing orifice plate 17 all adopt aluminium sheet.
As shown in Figure 6, supply air duct 4 and right side of car top supply air duct 6 are pushed up in middle air channel 12 in being communicated with, the second part flow arrangement 19 is provided with in middle air channel 12, second part flow arrangement 19 is an arc deflector, and this deflecting plate is for mating the air quantity to right side of car top supply air duct 6 and the conveying of middle top supply air duct 4.This deflecting plate is glass-reinforced plastic material, is covered with PE warm material in both sides, and to prevent condensation, glass-felt plastic has good intensity, and lighter in weight, is easy to shape.
Between head car compartment 2 and driver's cab (not shown), one indoor set 1 is set, supply air duct 4 and/or left side of car top supply air duct 5 and right side of car top supply air duct 6 is pushed up during top board in driver's cab is provided with, in the present embodiment, in order to expendable weight, preferably, push up supply air duct 4 in driver's cab in only arranging, the middle top supply air duct 4 in driver's cab extends in the past by pushing up supply air duct 4 in head car compartment 2.On the rear end door that the return air inlet of driver's cab is arranged on driver's cab or back-end wall, the return air inlet of driver's cab is communicated with return airway, this return airway is communicated with the return airway 3 in compartment 2, enters indoor set 1 together again after the return air in the return air of driver's cab and head car compartment 2 gathers.
As shown in Figure 4; indoor set 1 is also communicated with a new wind air channel 20; the fresh wind port 21 of end, new wind air channel 20 is arranged on the car external position on car body side window upper side top; fresh wind port 21 place arranges a new air valve; after ambient pressure change exceeds setting value; new air valve is closed by pressure protective device action, can suppress the fluctuation of pressure in car like this, improves travelling comfort.
As shown in Figure 4, at return airway 3 be newly communicated with a return air blending bin 22 between wind air channel 20 and the ventilation inlet of indoor set 1, return air blending bin 22 is a part for return airway 3, in order to the return air entered from return airway 3 and new wind air channel 20 and new wind to be mixed.As shown in Figure 8, return air blending bin 22 comprises a box-shaped enclosure 23, and shell 23 is provided with the ventilation inlet 24 be communicated with new wind air channel 20 with return airway 3, the air outlet 25 be communicated with indoor set 1.
In order to reduce noise, the inwall of the shell 23 of return air blending bin 22 applying one deck glass silk flosssilk wadding sound absorption materials 26 again, one deck sound-absorbing orifice plate 27 is set in the outside of sound absorption materials 26 again.In order to prevent shell 23 from condensing, simultaneously in order to ensure that cold does not lose, the outer wall of shell 23 applies one layer of heat preservation material 18.For expendable weight, shell 23 and inhale between orifice plate 27 all adopt aluminium sheet.
As depicted in figs. 1 and 2, the floor in car is installed with useless arranging device 29, useless arranging device 29 is communicated with the useless exhaust outlet in sanitary accomodation 31 by useless air exhausting duct 30.The exhaust outlet place of useless arranging device 29 is provided with operated pneumatic valve, and when ambient pressure is excessive, operated pneumatic valve can be closed automatically, and then ensures air-tightness in car.
As shown in Figure 3 and Figure 4, one section of soft air duct 32 is all connected in air-supply blending bin 8 and the junction between return air blending bin 22 with each air channel, middle air channel is connected by one section of soft air duct 32 too with between the supply air duct of right side of car top, the vibration in air channel when vehicle high-speed runs can be reduced like this, reduce internal car noise.
Embodiment two:
Be with embodiment one difference, at the air outlet of air-conditioner set indoor set 1 and middle top supply air duct 4, be provided with air quantity diversion device for distributing each air channel volume simultaneously between left side of car top supply air duct 5 and right side of car top supply air duct 6, this air quantity diversion device is only provided with one.
Air quantity diversion device can be arranged on the multiple deflecting plates in air-supply blending bin 8, for pushing up the air quantity of supply air duct 4, left side of car top supply air duct 5 and right side of car top supply air duct 6 in distribution simultaneously, now, air-supply blending bin 8 has three air outlets, pushes up supply air duct 4, left side of car top supply air duct 5 and right side of car top supply air duct 6 in being communicated with respectively.
Embodiment three:
Be with embodiment two difference, air-supply blending bin 8 only has an air outlet, behind a middle air channel, air quantity diversion device is arranged on the top in middle air channel, air quantity diversion device is multiple deflecting plate too, for pushing up the air quantity of supply air duct 4, left side of car top supply air duct 5 and right side of car top supply air duct 6 in distribution simultaneously.
Embodiment four:
Be with above-described embodiment difference, air-conditioner set also can adopt Air conditioning unit, under air-conditioner set entirety is placed on car, middle top supply air duct 4, left side of car top supply air duct 5, right side of car top supply air duct 6, return airway 3 and new wind air channel 20 need to be connected with air-conditioner set under car through floor.
As mentioned above, plan content given in conjunction with the accompanying drawings and embodiments, can derive similar technical scheme.In every case be the content not departing from technical solution of the present invention, any simple modification done above embodiment according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (17)
1. a speed motor train unit air conditioner ducting system, comprise air-conditioner set, described air-conditioner set is communicated with the air outlet be arranged in car and return air inlet by supply air duct and return airway, described air-conditioner set is communicated with fresh wind port by new wind air channel, it is characterized in that: described supply air duct comprises the top supply air duct being arranged in car body top middle section and top, two sides supply air duct being positioned at Ce Ding region, car body both sides, and described middle top supply air duct and top, side supply air duct evenly offer multiple air outlet;
At the air outlet place of described air-conditioner set indoor set, one air-supply blending bin is set, the ventilation inlet of described air-supply blending bin is communicated with air-conditioner set indoor set, described air-supply blending bin arranges multiple air outlet and pushes up supply air duct with described middle top supply air duct with two sides and be communicated with;
Arrange a return air blending bin in the air inlet of described indoor set, two ventilation inlets in described return air blending bin are communicated with new wind air channel with described return airway respectively, and the air outlet in described return air blending bin is communicated with described indoor set;
The air quantity diversion device being provided with between supply air duct and pushing up supply air duct air quantity for shunting described middle top supply air duct and two sides is pushed up at the air outlet of air-conditioner set indoor set and described middle top supply air duct and side.
2. speed motor train unit air conditioner ducting system according to claim 1, it is characterized in that: described air-conditioner set comprises indoor set and off-premises station, under described off-premises station is hung on car, described indoor set is installed on the one end in compartment, and described indoor set is connected by refrigerant pipeline with off-premises station.
3. speed motor train unit air conditioner ducting system according to claim 1, is characterized in that: described return air inlet is arranged at the one end in compartment.
4. speed motor train unit air conditioner ducting system according to claim 1, is characterized in that: described fresh wind port is arranged on the car external position above car body side window.
5. speed motor train unit air conditioner ducting system according to claim 1, is characterized in that: described middle top supply air duct is along the elongated setting of length direction of described car body, and air outlet is opened on the lower surface of described middle top supply air duct equably.
6. speed motor train unit air conditioner ducting system according to claim 1, is characterized in that: top, described side supply air duct is along the elongated setting of length direction of described car body, and air outlet is opened on the sidewall of top, described side supply air duct equably.
7. speed motor train unit air conditioner ducting system according to claim 1, is characterized in that: push up supply air duct and/or top, side supply air duct during the top board in driver's cab is provided with.
8. speed motor train unit air conditioner ducting system according to claim 7, is characterized in that: on the rear end door that the return air inlet of described driver's cab is arranged on described driver's cab or back-end wall.
9. speed motor train unit air conditioner ducting system according to claim 1, it is characterized in that: described air-supply blending bin has three air outlets, push up supply air duct and top, two sides supply air duct in connecting respectively, in described air-supply blending bin, be provided with the air quantity diversion device for pushing up supply air duct and top, two sides supply air duct air quantity in distribution simultaneously.
10. speed motor train unit air conditioner ducting system according to claim 1, it is characterized in that: described air-supply blending bin has two air outlets, an air outlet pushes up supply air duct with side described in one of them and is connected, another air outlet connects a middle air channel, described middle air channel is connected with the top supply air duct of described middle top supply air duct and opposite side more respectively, the air quantity for distributing a described side top supply air duct and middle air channel is provided with in described air-supply blending bin, the air quantity diversion device pushing up supply air duct air quantity for distributing described middle top supply air duct and another side is provided with in described middle air channel.
11. speed motor train unit air conditioner ducting systems according to claim 1, it is characterized in that: described air-supply blending bin has an air outlet, an air outlet is connected with middle air channel, middle air channel push up supply air duct with described middle top supply air duct and two sides again and is connected, and is provided with the air quantity diversion device pushing up supply air duct air quantity for pushing up supply air duct and two sides in distributing in described middle air channel.
12. speed motor train unit air conditioner ducting systems according to any one of claim 9,10,11, is characterized in that: described air quantity diversion device is the deflecting plate of arc.
13. speed motor train unit air conditioner ducting systems according to claim 12, is characterized in that: described deflecting plate is aluminium sheet or glass epoxy, and described deflecting plate is covered with sound absorber and/or thermal insulating material.
14. speed motor train unit air conditioner ducting systems according to claim 1, is characterized in that: on the inwall of the shell of described air-supply blending bin, be provided with sound absorption materials.
15. speed motor train unit air conditioner ducting systems according to claim 1, is characterized in that: the inwall of the shell of described return air blending bin is provided with sound absorption materials.
16. speed motor train unit air conditioner ducting systems according to claim 1, is characterized in that: be connected by soft air duct with between described supply air duct and return airway in described air-supply blending bin and return air blending bin.
17. speed motor train unit air conditioner ducting systems according to claim 1, it is characterized in that: in described car, floor is provided with useless arranging device, described useless arranging device is communicated with the useless exhaust outlet in car by useless air exhausting duct, and the exhaust outlet place of described useless arranging device is provided with operated pneumatic valve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110420375.XA CN103158732B (en) | 2011-12-15 | 2011-12-15 | Speed motor train unit air conditioner ducting system |
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| CN201110420375.XA CN103158732B (en) | 2011-12-15 | 2011-12-15 | Speed motor train unit air conditioner ducting system |
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| CN103158732A CN103158732A (en) | 2013-06-19 |
| CN103158732B true CN103158732B (en) | 2016-01-20 |
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| CN103935370A (en) * | 2014-04-11 | 2014-07-23 | 南车戚墅堰机车有限公司 | Air-conditioning strip-type ventilation system of driving cab of internal combustion locomotive |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201313557Y (en) * | 2008-09-12 | 2009-09-23 | 南车青岛四方机车车辆股份有限公司 | High-speed railway carriage air conditioner |
| CN201646738U (en) * | 2008-09-12 | 2010-11-24 | 南车青岛四方机车车辆股份有限公司 | Air conditioner for driver's cab of rail vehicle |
| CN201400185Y (en) * | 2009-04-03 | 2010-02-10 | 南车青岛四方机车车辆股份有限公司 | High-speed sleeper train air-conditioning duct system |
| CN202038315U (en) * | 2011-03-31 | 2011-11-16 | 青岛理工大学 | External variable cross section balanced ventilation system for high-speed train |
| CN202413811U (en) * | 2011-12-15 | 2012-09-05 | 南车青岛四方机车车辆股份有限公司 | Air-conditioning air duct system for high-speed motor train unit |
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| CN103158732A (en) | 2013-06-19 |
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Address after: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Patentee after: CRRC QINGDAO SIFANG CO., LTD. Address before: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Patentee before: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. |