CN115123328B - Carriage and rail vehicle - Google Patents
Carriage and rail vehicle Download PDFInfo
- Publication number
- CN115123328B CN115123328B CN202210905935.9A CN202210905935A CN115123328B CN 115123328 B CN115123328 B CN 115123328B CN 202210905935 A CN202210905935 A CN 202210905935A CN 115123328 B CN115123328 B CN 115123328B
- Authority
- CN
- China
- Prior art keywords
- air
- duct
- carriage
- air supply
- return
- 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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Links
- 238000004378 air conditioning Methods 0.000 claims abstract description 31
- 230000003068 static effect Effects 0.000 claims abstract description 17
- 238000009423 ventilation Methods 0.000 claims abstract description 16
- 239000002699 waste material Substances 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims 2
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D27/00—Heating, cooling, ventilating, or air-conditioning
- B61D27/0018—Air-conditioning means, i.e. combining at least two of the following ways of treating or supplying air, namely heating, cooling or ventilating
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The embodiment of the invention provides a carriage and a railway vehicle, wherein the carriage comprises side walls and side roofs, and also comprises a ventilation system arranged in the carriage, and the ventilation system comprises an air conditioning unit; the air supply duct is communicated with the air conditioning unit; the air supply duct comprises a main duct and static pressure cavities arranged on two sides of the main duct, air supply openings are formed in two opposite sides of the other end of the air supply duct, and the air supply openings are positioned on the outer side faces of the static pressure cavities; the air return duct is arranged in the side wall and the side top plate of the carriage, one end of the air return duct, which is arranged in the side top plate, is communicated with the air conditioning unit and is used for returning air, and the other end of the air return duct, which is arranged in the side wall, is communicated with an air return opening positioned at the lower parts of the side walls at two sides of the carriage. According to the embodiment of the invention, after the air supply channel is used for supplying air into the carriage, the cold air and the warm air in the carriage are recovered and discharged through the return air channel, and an air quantity adjusting structure is not required to be arranged, so that the condition that the whole passenger room is filled with air-conditioning air in winter or summer is ensured, and the temperature uniformity of the carriage is ensured.
Description
Technical Field
The invention relates to the technical field of railway vehicles, in particular to a carriage and a railway vehicle.
Background
With the continuous expansion of urban scale in China, a plurality of large-scale urban groups such as Jingjin Ji, long triangle, zhu triangle and the like are gradually formed, and a large-traffic inter-city motor train unit special for each urban group is urgently needed. The intercity motor train unit is generated under the demand, is developed and designed by means of the existing high-speed motor train unit technical platform, has the advantages of quick start and stop, large transportation capacity, high speed of taking and descending and the like, has the highest operation speed of 250km/h, is suitable for long-distance personnel transportation, is additionally provided with a small number of toilets and more seats relative to urban rail vehicles such as subways, light rails and the like, and cannot meet the new demand of large transportation capacity and quick taking and descending due to the fact that an air conditioning system with larger refrigerating and heating capacity and ventilation quantity is needed.
The traditional motor train unit adopts a mode of combining middle roof air supply and side wall air supply, mainly adopts middle roof air supply in summer and side wall air supply in winter, and ensures uniformity of a flow field in winter and summer by utilizing the characteristics that cold air in summer is greatly downwards moved and hot air in winter is slightly upwards moved.
The traditional ventilation system needs to adjust the distribution proportion of roof air supply and side wall air supply in winter and summer in an air duct, so that an air quantity adjusting mechanism needs to be added in the air duct, but the size and the space of the air duct in the length direction of a vehicle are limited due to the fact that two air conditioning units are required to be arranged for an inter-city motor train unit, and the arrangement of the air quantity adjusting mechanism cannot be guaranteed.
Disclosure of Invention
In order to solve one of the technical defects, the embodiment of the invention provides a carriage and a railway vehicle.
According to a first aspect of an embodiment of the present invention, there is provided a vehicle cabin including:
a side wall and a side top plate,
further comprises: the ventilation system is arranged in the carriage and comprises an air conditioning unit; the air supply duct is communicated with the air conditioning unit; the air supply duct comprises a main duct and static pressure cavities arranged on two sides of the main duct, air supply openings are formed in two opposite sides of the other end of the air supply duct, and the air supply openings are positioned on the outer side faces of the static pressure cavities;
the air return duct is arranged in the side wall and the side top plate of the carriage, one end of the air return duct, which is arranged in the side top plate, is communicated with the air conditioning unit and is used for returning air, and the other end of the air return duct, which is arranged in the side wall, is communicated with an air return opening positioned at the lower parts of the side walls at two sides of the carriage.
According to a second aspect of an embodiment of the present invention there is provided a railway vehicle comprising a cab and a plurality of carriages as described above.
The carriage and the railway vehicle provided by the embodiment of the invention have the following advantages:
1. the air supply duct is installed at the inner top of the carriage and is communicated with the air conditioning unit, when the air supply duct supplies air to the interior of the carriage through the air supply openings formed in the two sides, the static pressure cavities on the two sides of the air supply duct can eliminate air supply noise, the comfort of passengers is improved, the positions of the air supply openings are hidden, passengers in the carriage are not easy to observe, and the interior trim is attractive.
2. After the air supply channel finishes supplying air to the interior of the carriage, the air return channel recovers and discharges cold air and warm air in the carriage, an air quantity adjusting structure is not required to be arranged, and the effects of hot air downward feeding in winter and cold air downward feeding in summer can be realized.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
FIG. 1 is a schematic diagram of a prior art ventilation system for summer air supply;
FIG. 2 is a schematic diagram of a prior art ventilation system for winter air supply;
FIG. 3 is a schematic diagram of a ventilation system with a hollow section in a cabin according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a ventilation system for a non-air-conditioning section in a vehicle cabin according to an embodiment of the present invention;
fig. 5 is a schematic diagram of the overall structure of a carriage according to an embodiment of the present invention;
fig. 6 is a schematic diagram of an overall structure of a railway vehicle according to an embodiment of the present invention.
Reference numerals: carriage 1, cab 2, door system 3, air conditioning system 4, middle roof 42, roof 100, side walls 300, floor 400, side roof 420, static pressure chamber 421, main air duct 500, return air duct 520, and supply air duct 530.
Detailed Description
In order to make the technical solutions and advantages of the present invention more apparent, the following detailed description of exemplary embodiments of the present invention will be given with reference to the accompanying drawings, it being apparent that the described embodiments are only some of the embodiments of the present invention and not all the embodiments are exhaustive. It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In the process of implementing the present invention, the inventor finds that, as shown in fig. 1, in a carriage in the prior art, an air conditioning unit 4 is arranged on the outer top of the carriage 1, an air supply duct is arranged on the inner top of the carriage 1, a main duct 500 is arranged in the air supply duct 530, and return air ducts 520 are arranged in side walls 300 on both sides of the carriage 1; when the air is sent in summer, the main air duct 500 and the return air duct 520 in the top air supply duct 530 in the carriage 1 are used for greatly downwards moving by utilizing the density of the cool air in summer and simultaneously supplying air to the carriage 1 for cooling; when the air is sent in winter, as shown in fig. 2, the air is mainly sent to the interior of the carriage 1 through the air return duct 520 in the side wall 300 by utilizing the characteristic that the density of hot air in winter is small and upwards, and the air sending scheme needs to adjust the distribution ratio of top plate air sending and side wall air sending in winter and summer in the air duct, so that an air quantity adjusting mechanism needs to be added in the air duct, but for an inter-city motor train unit, because two air conditioning units need to be arranged, the size and the space of the air duct in the length direction of the vehicle are limited, and the setting of the air quantity adjusting structure cannot be ensured.
In order to solve the problems, the embodiment of the invention provides a carriage and a railway vehicle.
As shown in fig. 3 to 5, in a first aspect of the embodiment of the present invention, a cabin is provided, including a side wall 300 and a side roof 420, and further including:
a ventilation system provided in the vehicle compartment 1, the ventilation system including:
an air conditioning unit 4;
an air supply duct 530, the air supply duct 530 being in communication with the air conditioning unit 4; the air supply duct 530 comprises a main duct 500 and static pressure chambers 421 arranged at two sides of the main duct 500, air supply openings are formed at two opposite sides of the other end of the air supply duct 530, and the air supply openings are positioned at the outer side surfaces of the static pressure chambers 421;
the return air duct 520 is arranged in the side wall 300 and the side top plate 420 of the carriage 1, one end arranged in the side top plate 420 is communicated with the air conditioning unit 4 and used for returning air, and the other end arranged in the side wall 300 is communicated with return air inlets arranged at the lower parts of the side walls 300 at two sides of the carriage 1.
In the specific implementation process, door systems 3 are arranged on two sides of the carriage 1, a ventilation system is arranged in the carriage 1, and the ventilation system comprises an air conditioning unit 4, an air supply duct 530 and an air return duct 520; the air conditioning unit 4 is installed at the top both ends of carriage 1, and supply air duct 530 includes main air duct 500 and static pressure chamber 421, and the both sides in main air duct 500 are installed to static pressure chamber 421, are equipped with the baffle between main air duct 500 and the static pressure cabin 421, are equipped with first through-hole on the baffle, and the supply air inlet has been seted up to the opposite both sides of the other end of supply air duct 500 and air conditioning unit 4 intercommunication, and the supply air inlet is located the lateral surface in static pressure chamber 421. The return air duct 520 is arranged in the side wall 300 and the side top plate 420 in the carriage 1, one end of the return air duct 520 arranged in the side top plate 420 is communicated with the air conditioning unit 4, and the other end of the return air duct 520 arranged in the side wall 300 is communicated with return air inlets positioned at the lower parts of the side walls 300 at two sides of the carriage 1. During air supply, cold air and warm air in the air conditioning unit 4 are sent out by the air supply port on the outer side face of the static pressure cavity 421, so that the problem that air supply is directly blown onto a passenger is avoided, the body feeling of the passenger is more comfortable, the static pressure cavities 421 on two sides of the air supply air duct 530 can eliminate air supply noise, the position of the air supply port is hidden, the passenger in the vehicle is not easy to observe, and the interior decoration is attractive. Cold air and warm air are conveyed to the luggage rack of the side wall 300 through the side top plates 420 at two sides of the carriage 1, meanwhile, the cold air and the warm air are conveyed into the carriage 1 through the luggage rack to form a conveying route with cross reflection, and finally, the cold air and the warm air in the carriage 1 are recovered through the return air duct 520, so that the side wall 300 can return air to ensure that the temperature of the side wall is lower in summer and higher in winter; the human body touches the side wall plate relatively more comfortably, the air quantity adjusting structure is not required to be arranged, the effects of hot air downwards feeding in winter and cold air downwards feeding in summer can be realized, whether winter or summer is guaranteed, the ventilation system supplies air to fill the whole passenger room of the carriage, and the uniformity of the temperature inside the carriage is guaranteed.
In the embodiment of the invention, a waste exhaust device is arranged in the air conditioning unit 4, and one end of the return air duct 520 is also communicated with the waste exhaust device for exhausting air.
In the specific implementation process, the air conditioning unit 4 is internally provided with a waste exhaust device, one end of the return air duct 520 is also communicated with the waste exhaust device, the return air duct 520 is used for recycling cold air and warm air from the carriage 1, and waste exhaust air is used for cooling a condenser of the air conditioning unit, so that the condensation heat exchange efficiency of the air conditioning unit is improved, and the energy consumption is reduced.
In the embodiment of the present invention, the bottom of the air supply duct 530 is provided with a middle top plate 42; the lamp strips are arranged on the two sides of the middle top plate 42, which are positioned at the air supply opening, and the middle top plate 42 and the lamp strips are hoisted on the air supply air duct 530 through air duct side section bars.
In a specific implementation process, the bottom of the air supply duct 530 is provided with a middle top plate 42; the middle top plate 42 is a concave middle top plate, the middle top plate 42 is arranged at the bottom of the air supply duct 530, lamp belts are arranged on two sides of the middle top plate 42, which are positioned at the air supply opening, and the middle top plate 42 and the lamp belts are hoisted on the air supply duct 530 through duct side section bars. When the air supply outlet supplies air outwards, the lamp belts on the two sides of the middle top plate 42 can be used for detecting whether the air supply is normal or not on one hand, and on the other hand, the ornamental value can be improved.
In the embodiment of the present invention, the air supply duct 530 includes an upper panel, a lower panel, and side panels disposed between the upper panel and the lower panel; the lower panel is a middle roof 42.
In a specific implementation process, the air supply duct 530 includes an upper panel, a lower panel, and a side plate disposed between the upper panel and the lower panel; the lower panel is the middle ceiling 42 and the upper panel is the ceiling 100.
In the embodiment of the invention, a seat is arranged in the carriage 1, the height of the air return opening is arranged below the seat, a seat profile is arranged in the side wall 300, the seat is connected to the side wall 300 through the seat profile, and a second through hole is formed in the seat profile.
In the concrete implementation process, the seats are arranged on the floor 400 in the carriage 1, a plurality of rows of seats are sequentially arranged at intervals along the length direction of the carriage, seat profiles are arranged in the side walls 300, the seats close to the side walls 300 are connected with the side walls 300 through the seat profiles, second through holes are formed in the seat profiles, the height of the return air inlet is arranged below the seats to avoid occupying the foot space of a passenger, meanwhile, the side walls 300 are integrated with the return air duct to save the side wall part space, and meanwhile, materials are saved, and weight and cost are reduced.
In the embodiment of the present invention, the two sides of the air supply duct 530 are further provided with duct mounting codes, and the air supply duct 530 is lifted on the inner top of the carriage 1 through the duct mounting codes. A plurality of return air cavities are arranged in the side wall 300 at intervals, and a return air inlet is arranged at the bottom of each return air cavity; a return air pipe is arranged in a cavity formed between the side top plate 420 and the carriage 1, and is communicated with the return air cavity to form a return air duct 520.
In a specific implementation process, air duct installation codes are further arranged on two sides of the air supply air duct 530, and the air supply air duct 530 is hoisted on the inner top of the carriage 1 through the air duct installation codes. A plurality of return air cavities are arranged in the side wall 300 at intervals, and a return air inlet is arranged at the bottom of each return air cavity; the cavity formed between the side roof 420 and the carriage 1 is internally provided with a return air pipe, the return air pipe is communicated with the return air cavity to form a return air duct 520, and the air supply duct 530 can utilize the cavity for return air and discharge when supplying air into the carriage body.
According to a second aspect of the embodiment of the present invention, there is provided a railway vehicle comprising a cab 2 and a plurality of carriages 1 as described above.
In the implementation process, as shown in fig. 6, the rail vehicle includes a cab 2, and a plurality of carriages 1, where the plurality of carriages 1 are sequentially connected, and at least one carriage 1 is connected with the cab 2 to form the rail vehicle in the embodiment of the present invention.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (11)
1. A car comprising side walls (300) and a roof (420), characterized by further comprising: a ventilation system provided in the cabin (1), the ventilation system comprising:
an air conditioning unit (4);
an air supply duct (530), wherein the air supply duct (530) is communicated with the air conditioning unit (4); the air supply duct (530) comprises a main duct (500) and static pressure cavities (421) arranged on two sides of the main duct (500), air supply openings are formed in two opposite sides of the other end of the air supply duct (530), and the air supply openings are located on the outer side faces of the static pressure cavities (421); the air supply opening is used for conveying cold air and warm air to the luggage rack of the side wall (300) through the side top plate (420), so that the cold air and the warm air are conveyed into the carriage (1) through a conveying route formed by cross reflection of the luggage rack;
the air return air duct (520) is arranged in the side wall (300) and the side top plate (420) of the carriage (1), one end in the side top plate (420) is communicated with the air conditioning unit (4) and is used for returning air, and the other end in the side wall (300) is communicated with an air return opening positioned at the lower parts of the side walls (300) at two sides of the carriage (1).
2. A carriage according to claim 1, characterized in that a partition is arranged between the main air duct (500) and the static pressure chamber (421), and a first through hole is arranged on the partition.
3. A carriage according to claim 1, characterized in that the air conditioning unit (4) is provided with a waste exhaust device, and one end of the return air duct (520) is further communicated with the waste exhaust device for exhausting air.
4. A carriage according to claim 1, characterized in that the air conditioning units (4) are arranged at the top two ends of the carriage (1).
5. A carriage according to claim 1, characterized in that the bottom of the supply air duct (530) is provided with a middle roof (42);
the middle top plate (42) is positioned at two sides of the air supply opening and is provided with lamp belts, and the middle top plate (42) and the lamp belts are hoisted on the air supply air duct (530) through air duct side section bars.
6. The vehicle compartment of claim 5, wherein the supply air duct (530) includes an upper panel, a lower panel, and side panels disposed between the upper panel and the lower panel; the lower panel is the middle top panel (42).
7. A carriage according to claim 1, characterized in that a seat is provided in the carriage (1), the height of the return air inlet being arranged below the seat.
8. A carriage according to claim 7, characterized in that a seat profile is provided in the side wall (300), through which seat profile the seat is connected to the side wall (300), and in that a second through-hole is provided in the seat profile.
9. The vehicle cabin according to claim 1, wherein the air supply duct (530) is further provided with duct mounting codes on both sides thereof, and the air supply duct (530) is suspended on an inner top of the vehicle cabin (1) by the duct mounting codes.
10. A carriage according to claim 1, wherein a plurality of return air chambers are arranged in the side wall (300) at intervals, and the return air inlets are arranged at the bottoms of the return air chambers;
and a return air pipe is arranged in a cavity formed between the side top plate (420) and the carriage (1), and is communicated with the return air cavity to form a return air duct (520).
11. A rail vehicle, characterized by comprising a cab (2) and a plurality of carriages (1) according to any one of claims 1-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210905935.9A CN115123328B (en) | 2022-07-29 | 2022-07-29 | Carriage and rail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210905935.9A CN115123328B (en) | 2022-07-29 | 2022-07-29 | Carriage and rail vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115123328A CN115123328A (en) | 2022-09-30 |
| CN115123328B true CN115123328B (en) | 2023-12-22 |
Family
ID=83385950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210905935.9A Active CN115123328B (en) | 2022-07-29 | 2022-07-29 | Carriage and rail vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115123328B (en) |
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| 地铁车辆多方位送回风系统研究;刘林林;龚继如;蔡瑞晶;房明;;城市轨道交通研究(04);第50-54页 * |
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