CN115009312A - Air duct system and railway vehicle - Google Patents
Air duct system and railway vehicle Download PDFInfo
- Publication number
- CN115009312A CN115009312A CN202210752753.2A CN202210752753A CN115009312A CN 115009312 A CN115009312 A CN 115009312A CN 202210752753 A CN202210752753 A CN 202210752753A CN 115009312 A CN115009312 A CN 115009312A
- Authority
- CN
- China
- Prior art keywords
- air
- duct
- air duct
- return
- fresh
- 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.)
- Pending
Links
- 238000004378 air conditioning Methods 0.000 claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000002699 waste material Substances 0.000 claims abstract description 26
- 238000007789 sealing Methods 0.000 claims description 5
- 238000005452 bending Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005339 levitation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D27/00—Heating, cooling, ventilating, or air-conditioning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D27/00—Heating, cooling, ventilating, or air-conditioning
- B61D27/009—Means for ventilating only
-
- 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 invention discloses an air duct system and a rail vehicle, wherein the air duct system comprises an air conditioning unit, a fresh air inlet device and a main air duct, the fresh air inlet device comprises a fresh air grid and a fresh air duct, the outer end of the fresh air duct is an air inlet, the inner end of the fresh air duct is an air outlet, the air inlet and the air outlet are communicated through an upward bent or bent channel, a water baffle is arranged in the channel, and air passing openings are formed between the edges of two sides of the water baffle and the side wall of the channel; the main air duct is an integrated structure integrated with an air supply duct, an air return duct and a waste air exhaust duct, and the air supply duct is positioned in the middle on the cross section; the air return cavity of the air return channel is positioned at two sides of the air supply cavity and is provided with an inclined plane which inclines from the top to the outer lower part; and the waste exhaust cavity of the waste exhaust duct is positioned on two sides of the air supply cavity and below the air return cavity. The air duct system is particularly suitable for narrow-section vehicle bodies, and can effectively solve the technical problems of the existing air duct system.
Description
Technical Field
The invention relates to the technical field of railway vehicles, in particular to an air duct system of a railway vehicle. The invention also relates to a rail vehicle provided with the air duct system.
Background
At present, in an air conditioning system of a high-speed motor train unit, an embedded installation structure is generally adopted by the air conditioning unit, such as a modularized middle top plate structure of a railway vehicle disclosed by CN 112977506 a, and an air duct of the air conditioning unit is divided into a main air supply duct, a branch air supply duct, an air return duct, a waste air exhaust duct and the like.
The air duct has a complex structure and a large transverse size, and can only be suitable for a vehicle body with a wide section.
In addition, the problem that fresh air mixed rainwater enters the air duct exists, the prevention method is to arrange a rainwater separator and a rainwater discharge pipe at the air inlet, and the defects of large occupied space and difficulty in maintenance exist in the mode.
Disclosure of Invention
The invention aims to provide an air duct system. The air duct system is particularly suitable for narrow-section vehicle bodies, and can effectively solve the technical problems of the existing air duct system.
Another object of the invention is to provide a rail vehicle provided with said air duct system.
In order to achieve the purpose, the invention provides an air duct system, which comprises an air conditioning unit positioned on the roof, fresh air inlet devices positioned on the left side and the right side of the air conditioning unit, and main air ducts positioned at the front end and the rear end of the air conditioning unit, wherein the main air ducts extend along the length direction of a vehicle body on the roof, each fresh air inlet device comprises a fresh air grid and a fresh air duct, the outer end of each fresh air duct is an air inlet, the inner end of each fresh air duct is an air outlet, the air inlets and the air outlets are communicated through channels bent or bent upwards, water baffles are arranged in the channels, and air passing openings are formed between the edges of the two sides of each water baffle and the side walls of the channels; the main air duct is an integrated structure integrated with an air supply duct, an air return duct and a waste exhaust duct, and an air supply cavity of the air supply duct is rectangular in cross section and is positioned in the middle; the air return cavity of the air return channel is positioned at two sides of the air supply cavity and is provided with an inclined plane which inclines from the top to the outer lower part; the waste exhaust cavity of the waste exhaust duct is in a flat rectangular shape, and is positioned on two sides of the air supply cavity and below the air return cavity.
Optionally, a first throat is arranged at the air inlet of the fresh air duct, and a second throat is arranged at the air outlet; in the air inlet direction, the projection of the first necking is smaller than or equal to that of the water baffle, and in the air outlet direction, the projection of the water baffle is larger than or equal to that of the second necking.
Optionally, the water baffle is arranged in the new air duct in an inclined manner from the outside to the inside, and the upper edge of the water baffle is connected to the upper edge of the air inlet of the new air duct.
Optionally, the air inlet and the air outlet of the new air duct are inclined air inlets, in the width direction of the vehicle body, the lower edge of the air inlet is farther away from the central line of the vehicle body than the upper edge, the lower edge of the air outlet is closer to the central line of the vehicle body than the upper edge, and the inclination amplitude of the air inlet is larger than that of the air outlet.
Optionally, the outer side wall of the return duct is provided with a return hole, and return air from the passenger compartment enters the return cavity of the return duct through the return hole in a scattered return mode.
Optionally, the air conditioning unit is integrated with a waste exhaust fan, and the waste exhaust fan exhausts waste gas out of the vehicle through the waste exhaust channel and waste exhaust branch air ducts arranged in a toilet and a kitchen.
Optionally, the air supply duct supplies the treated fresh air into the passenger compartment through a perforated plate air supply opening or a side top air supply opening positioned on the roof of the vehicle.
Optionally, the air outlet of the fresh air duct is provided with an outer edge, the outer edge is connected with the air conditioning unit through press riveting and fastened through a bolt, and a sealing ring is arranged between the outer edge and the air conditioning unit at the press riveting position.
Optionally, a fresh air valve, a waste air exhaust valve and a pressure protection valve are integrated in the air conditioning unit.
In order to achieve another purpose, the invention further provides a rail vehicle, which comprises a vehicle body and an air duct system arranged on the vehicle body, wherein the air duct system is any one of the air duct systems.
The air duct system provided by the invention has the advantages that the fresh air duct has an upward bending or bending angle, and the return air duct has an inclined plane which is inclined from the top to the outer lower part. Thus, the occupied space in the transverse direction can be reduced without reducing the intake air amount, so that the vehicle body can be better suitable for a narrow-section vehicle body, and moreover, because the inside of the fresh air duct is not a straight-through passage and is provided with the water baffle, fresh air from the outside can enter the air conditioning unit only through the fresh air duct with an inclined angle, in the process, the fresh air flows through the air inlets on the two sides of the water baffle, under the upward bending or bending angle and the blocking effect of the water baffle, the fresh air flows are firstly divided and then merged, and in the process of dividing and merging, the fresh air flows upwards along a zigzag path, the flow path of the air conditioner is in a three-dimensional compound motion state of multiple turning in the fresh air duct, so that the rainwater and the fresh air can be effectively prevented from being mixed and entering the air conditioning unit, thereby saving a rainwater separator and a rainwater drainage pipeline, and achieving the purposes of simplifying parts, reducing cost, saving space and the like.
In addition, because the main air duct is an integrated structure integrated with the air supply duct, the air return duct and the exhaust air duct, the problems that the side wall of the small-section car body cannot be provided with the branch air supply duct, the air return duct, the exhaust air duct and the like are solved. The highly integrated air duct system has the advantages of space saving, convenience in installation, cost reduction, uniform air supply and the like.
The rail vehicle provided by the invention is provided with the air duct system, and the rail vehicle provided with the air duct system also has corresponding technical effects due to the technical effects of the air duct system.
Drawings
Fig. 1 is a schematic structural diagram of an air duct system according to an embodiment of the present invention;
FIG. 2 is a top view of the air duct system shown in FIG. 1;
FIG. 3 is a view A-A of FIG. 2;
FIG. 4 is a side view of a section of the main duct of FIG. 1;
FIG. 5 is a top view of FIG. 4;
FIG. 6 is a view from C-C of FIG. 5
FIG. 7 is a view B-B of FIG. 2;
FIG. 8 is a partial enlarged view of portion I of FIG. 7;
FIG. 9 is a schematic structural view of a fresh air duct;
fig. 10 is a sectional view of the fresh air duct shown in fig. 9.
In the figure:
1. air conditioning unit 2, fresh air inlet device 21, fresh air grille 22, fresh air duct 221, air inlet 222, air outlet 223, channel 224, water baffle 225, air passing port 226, first throat 227, second throat 228, outer edge 229, bolt 230, sealing ring 3, main air duct 31, air supply duct 311, pore plate air supply outlet 32, air return duct 321, air return hole 33 and waste air exhaust duct
Detailed Description
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
In this specification, terms such as "upper, lower, inner, and outer" are established based on positional relationships shown in the drawings, and the corresponding positional relationships may vary depending on the drawings, and therefore, the terms are not to be construed as absolutely limiting the scope of protection; moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, and do not necessarily require or imply any actual relationship or order between such elements.
Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of an air duct system according to an embodiment of the present invention; FIG. 2 is a top view of the air duct system shown in FIG. 1; fig. 3 is a view a-a of fig. 2.
In a specific embodiment, the air duct system provided by the invention mainly comprises an air conditioning unit 1, a fresh air inlet device 2, a main air duct 3 and the like.
Wherein, air conditioning unit 1 adopts embedded structure to install in the automobile body top, and the automobile body top is equipped with new trend inlet device 2 in the left and right sides of air conditioning unit 1, and in this embodiment, each side of air conditioning unit 1 is equipped with two new trend inlet device 2, four new trend inlet device 2 altogether, and main wind channel 3 is located the front and back both ends of air conditioning unit 1, extends along automobile body length direction at the roof.
The main air duct 3 is a multi-section splicing structure, each section of the main air duct 1 is fixed on the inner top of the vehicle body through a hoisting mechanism, an air supply duct 31, an air return duct 32 and an exhaust air duct 33 are integrated on the main air duct, on the cross section, an air supply cavity of the air supply duct 31 is rectangular and is positioned in the middle, and air return cavities of the air return duct 32 are positioned on two sides of the air supply cavity and are provided with inclined planes which are inclined from the top to the outer lower side. The shape can ensure that the main air duct 3 is embedded with the shape of the top of the vehicle body on the whole, and avoids interference with other structural parts of the top of the vehicle body, so that the air conditioning unit 1 and the main air duct 3 can be positioned at the most reasonable installation position in the narrow-section vehicle body.
The waste exhaust cavity of the waste exhaust duct 33 is in a flat rectangular shape, is positioned at two sides of the air supply cavity and below the air return cavity, the sum of the height of the air return duct 32 and the height of the waste exhaust duct 33 is equal to the height of the air supply duct 31, and the three are integrally formed, for example, aluminum profiles can be adopted for one-time extrusion forming.
Referring to fig. 4, 5 and 6 together, fig. 4 is a side view of a section of the main duct shown in fig. 1; FIG. 5 is a top view of FIG. 4; fig. 6 is a view C-C of fig. 5.
The air duct 31 delivers the treated fresh air into the passenger compartment through a perforated plate air outlet 311 or a side ceiling air outlet located on the roof of the vehicle.
The outer side wall of the air return duct 32 is provided with air return holes 321, the air return holes 321 are long round holes extending transversely, two sides of each section of the main air duct 3 are respectively provided with three groups of air return holes 321, each group of air return holes 321 is provided with an upper long round hole and a lower long round hole which are parallel, and return air from a passenger room enters an air return cavity of the air return duct 32 through the air return holes 321 in a scattered return mode.
The air conditioning unit 1 is integrated with a fresh air valve, a waste air exhaust valve, a pressure protection valve and a waste air exhaust fan. When the air conditioning unit 1 operates, the air duct system adopts a top plate to supply air, the air is delivered into a passenger room through the orifice plate air supply outlet 311 or the side top air supply outlet, and return air in the passenger room enters the air return cavity through the main air duct air return hole 321 in a return mode; the exhaust fan integrated into the air conditioning unit 1 discharges exhaust gas outside the vehicle through the exhaust duct 33 and exhaust branch ducts (not shown) provided in the toilets and kitchens, thereby realizing control of environmental parameters such as pressure, temperature, humidity, etc. inside the vehicle.
Referring to fig. 7 to 10 together, fig. 7 is a view B-B of fig. 2; FIG. 8 is a partial enlarged view of portion I of FIG. 7; FIG. 9 is a schematic structural view of a fresh air duct; fig. 10 is a sectional view of the fresh air duct shown in fig. 9.
The fresh air inlet device 2 mainly comprises a fresh air grid 21, a fresh air duct 22 and the like, wherein the outer end of the fresh air duct 22 is an air inlet 221, the inner end of the fresh air duct 22 is an air outlet 222, the air inlet 221 and the air outlet 222 are communicated through a channel 223 bent or bent upwards, a water baffle 224 is arranged in the channel 223, and an air passing opening 225 is formed between two side edges of the water baffle 224 and the side wall of the channel 223. When the airflow enters the fresh air duct 22, the airflow is forced to be divided under the blocking action of the water baffle 224, flows through the air outlets 225 on both sides of the water baffle 224, and flows out of the air outlet 222 after being combined to enter the air conditioning unit 1.
The air inlet 221 and the air outlet 222 of the new air duct 22 are both inclined air outlets, in the width direction of the vehicle body, the lower edge of the air inlet 221 is farther away from the central line of the vehicle body than the upper edge, the lower edge of the air outlet 222 is closer to the central line of the vehicle body than the upper edge, and the inclination amplitude of the air inlet 221 is greater than the inclination amplitude of the air outlet 222.
The water guard 224 is disposed in the new air passage 22 to be inclined from the outside upward to the inside downward, and its upper edge is connected to the upper edge of the air inlet 221 of the new air passage 22.
When the air conditioning unit 1 is operated, external fresh air is sucked in through the fresh air grilles 21 and the fresh air duct 22 on the two sides of the unit, is mixed with return air from a passenger room at an air return inlet of the air conditioner and then is sent into the air conditioning unit 1, and is processed by the air conditioning unit 1 and then is sent into the air supply duct 31 through the air supply fan.
A first reducing port 226 is arranged at the air inlet of the new air duct 22, and a second reducing port 227 is arranged at the air outlet; in the air inlet direction, the projection of the first throat 226 is smaller than or equal to the projection of the water baffle 224, in the air outlet direction, the projection of the water baffle 224 is larger than or equal to the projection of the second throat 227, that is, if the air inlet 221 is viewed inwards along the air inlet direction, only the water baffle 224 can be seen, but the air inlets 225 on both sides of the water baffle 224 cannot be seen, and similarly, if the air outlet 222 is viewed inwards along the direction opposite to the air outlet direction, only the water baffle 224 can be seen, but the air inlets 225 on both sides of the water baffle 224 cannot be seen.
Such structure, under the prerequisite of guaranteeing intake and effect of keeping off the rain, the air current route is more reasonable, has advantages such as the resistance of admitting air is little, the noise is low 。
The air outlet 222 of the new air duct 22 is provided with an outer edge 228, the outer edge 228 is press-riveted with the air conditioning unit 1 and fastened by a bolt 229, and a sealing ring 230 is arranged between the two at the press-riveting part to ensure the sealing performance.
The above embodiments are merely preferred embodiments of the present invention, and are not limited thereto, and on the basis of the above embodiments, various embodiments can be obtained by performing targeted adjustment according to actual needs. For example, the fresh air duct 22 is connected to the air conditioning unit 1 by other means, and so on. This is not illustrated here, since many implementations are possible.
The air duct system has high integration degree and saves space, the unique structure of the fresh air duct 22 can effectively prevent rainwater and fresh air from mixing and entering the air conditioning unit 1, and a rainwater separator and a rainwater drainage pipeline are saved; moreover, the air supply, return air and waste exclusion forces are small, and the noise is low. In addition, by utilizing the air duct system, a fresh air exhaust valve, an exhaust air valve and a pressure protection valve can be integrated in the air conditioning unit 1, and the roof is overhauled, so that the maintenance of parts is facilitated.
In addition to the air duct system, the present invention further provides a rail vehicle, which may be a high-speed rail train, a train of multiple units or a magnetic levitation train, and has a vehicle body and an air duct system disposed on the vehicle body, wherein the air duct system is the air duct system described above, and for the rest of the structure of the rail vehicle, please refer to the prior art, and it is not described herein again.
The air duct system and the rail vehicle provided by the invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the core concepts of the present invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. An air duct system comprises an air conditioning unit (1) positioned on the roof, fresh air inlet devices (2) positioned on the left side and the right side of the air conditioning unit (1), and main air ducts (3) positioned at the front end and the rear end of the air conditioning unit (2), wherein the main air ducts (3) extend along the length direction of a vehicle body on the roof, the air duct system is characterized in that the fresh air inlet devices (2) comprise a fresh air grid (21) and a fresh air duct (22), the outer ends of the fresh air duct (22) are air inlets (221), the inner ends of the fresh air duct are air outlets (222), the air inlets (221) and the air outlets (222) are communicated through channels (223) bent or bent upwards, water baffles (224) are arranged in the channels (22), and air passing openings (225) are formed between the edges of the two sides of the water baffles (224) and the side walls of the channels (223); the main air duct (3) is of an integrated structure integrating an air supply duct (31), an air return duct (32) and an exhaust air duct (33), and an air supply cavity of the air supply duct (31) is rectangular in the cross section and is positioned in the middle; the air return cavity of the air return channel (32) is positioned at two sides of the air supply cavity and is provided with an inclined plane which inclines outwards from the top to the lower part; and a waste exhaust cavity of the waste exhaust duct (33) is in a flat rectangular shape, is positioned on two sides of the air supply cavity and is positioned below the air return cavity.
2. The air duct system according to claim 1, characterized in that a first throat (226) is provided at the air inlet of the fresh air duct (22) and a second throat (227) is provided at the air outlet; in the air inlet direction, the projection of the first necking (226) is smaller than or equal to that of the water baffle (224), and in the air outlet direction, the projection of the water baffle (224) is larger than or equal to that of the second necking (227).
3. The air duct system according to claim 2, characterized in that the water deflector (224) is arranged obliquely from the outside upward to the inside downward in the interior of the new air duct (22), and an upper edge thereof is connected to an upper edge of the air intake opening (221) of the new air duct (22).
4. The air duct system according to claim 2, wherein the air inlet (221) and the air outlet (222) of the new air duct (22) are inclined air inlets, in a width direction of the vehicle body, a lower edge of the air inlet (221) is farther away from a center line of the vehicle body than an upper edge, a lower edge of the air outlet (222) is closer to the center line of the vehicle body than the upper edge, and an inclination amplitude of the air inlet (221) is larger than an inclination amplitude of the air outlet (222).
5. The air duct system according to claim 2, wherein the return duct (32) is provided with a return hole (321) on an outer side wall thereof, and return air from the passenger compartment is introduced into the return chamber of the return duct (32) through the return hole (321) in a scattered manner.
6. Air duct system according to claim 2, characterized in that the air conditioning unit (1) is integrated with a waste air blower which discharges waste air out of the vehicle through the waste air discharge passage (33) and waste exhaust branch air ducts provided in toilets and kitchens.
7. Air duct system according to claim 2, characterized in that the supply air duct (31) delivers treated fresh air into the passenger compartment through an orifice plate supply air outlet (311) or a side ceiling supply air outlet located on the roof of the vehicle.
8. The air duct system according to claim 2, characterized in that the air outlet (222) of the new air duct (22) is provided with an outer edge (228), the outer edge (228) is press-riveted with the air conditioning unit (1) and is fastened by bolts (229), and a sealing ring (230) is arranged between the outer edge and the bolt at the press-riveted part.
9. Air duct system according to claim 2, characterized in that a fresh air valve, a waste air exhaust valve and a pressure protection valve are integrated in the air conditioning unit (1).
10. A rail vehicle comprising a vehicle body and an air duct system provided in the vehicle body, wherein the air duct system is as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210752753.2A CN115009312A (en) | 2022-06-29 | 2022-06-29 | Air duct system and railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210752753.2A CN115009312A (en) | 2022-06-29 | 2022-06-29 | Air duct system and railway vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115009312A true CN115009312A (en) | 2022-09-06 |
Family
ID=83079238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210752753.2A Pending CN115009312A (en) | 2022-06-29 | 2022-06-29 | Air duct system and railway vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115009312A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004230995A (en) * | 2003-01-29 | 2004-08-19 | Denso Corp | Air conditioner for vehicle |
| CN202213585U (en) * | 2011-08-30 | 2012-05-09 | 南车青岛四方机车车辆股份有限公司 | Air-conditioning ventilation system of high-speed railway vehicle |
| CN103158730A (en) * | 2011-12-09 | 2013-06-19 | 南车青岛四方机车车辆股份有限公司 | Air-conditioner air duct system used for intercity motor train unit |
| CN106184251A (en) * | 2016-07-28 | 2016-12-07 | 中车唐山机车车辆有限公司 | A kind of air-supply arrangement |
| CN112833530A (en) * | 2021-02-07 | 2021-05-25 | 江门飞寻智能电器有限公司 | Air conditioner air duct shell and mobile air conditioner |
-
2022
- 2022-06-29 CN CN202210752753.2A patent/CN115009312A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004230995A (en) * | 2003-01-29 | 2004-08-19 | Denso Corp | Air conditioner for vehicle |
| CN202213585U (en) * | 2011-08-30 | 2012-05-09 | 南车青岛四方机车车辆股份有限公司 | Air-conditioning ventilation system of high-speed railway vehicle |
| CN103158730A (en) * | 2011-12-09 | 2013-06-19 | 南车青岛四方机车车辆股份有限公司 | Air-conditioner air duct system used for intercity motor train unit |
| CN106184251A (en) * | 2016-07-28 | 2016-12-07 | 中车唐山机车车辆有限公司 | A kind of air-supply arrangement |
| CN112833530A (en) * | 2021-02-07 | 2021-05-25 | 江门飞寻智能电器有限公司 | Air conditioner air duct shell and mobile air conditioner |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8568209B2 (en) | Vehicle air-conditioning systems | |
| CN111361582B (en) | Low-noise air conditioner air duct for railway vehicle | |
| CN110723157A (en) | Subway vehicle composite air supply system | |
| CN202378885U (en) | Air conditioning air duct system for intercity motor train unit | |
| JPH04505304A (en) | Air conditioning equipment for automobiles, especially buses | |
| CN111976766B (en) | Air conditioner air duct for rail transit vehicle | |
| CN103158730A (en) | Air-conditioner air duct system used for intercity motor train unit | |
| JP2006525180A (en) | Evaporator air system for bus rooftop air conditioner | |
| CN109720365B (en) | Air conditioner air duct of railway vehicle and railway vehicle | |
| CN115009312A (en) | Air duct system and railway vehicle | |
| KR101803301B1 (en) | Air outlet | |
| CN101410285A (en) | Air inlet component for an air-conditioning device of a rail vehicle and a rail vehicle which is equipped with the air inlet component | |
| CN216101453U (en) | Overhead air conditioner for truck | |
| CN215398664U (en) | Rail vehicle air conditioning system and rail vehicle | |
| JP2006525182A (en) | Evaporator section for modular bath air conditioners | |
| CN103879423A (en) | Heating, ventilating and air conditioning system of low-floor light rail vehicle | |
| CN110027583B (en) | Split type air conditioning system of railway vehicle and railway vehicle | |
| CN218949185U (en) | Ventilating device for railway vehicle | |
| CN210680712U (en) | Rail vehicle air conditioning unit and rail vehicle | |
| CN107878147B (en) | Air conditioning system of vehicle and vehicle | |
| CN219838624U (en) | Hood and vehicle | |
| RU2268833C1 (en) | Passenger car air-conditioning system | |
| CN210882117U (en) | Tramcar passenger room air conditioner air duct structure | |
| HU223686B1 (en) | Device for ventilating railway vehicle | |
| CN218171949U (en) | Comfortable temperature epidemic prevention energy-saving air supply and return system of passenger car air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |