CN114030497A - Rail vehicle's smoke exhausting structure and rail vehicle - Google Patents
Rail vehicle's smoke exhausting structure and rail vehicle Download PDFInfo
- Publication number
- CN114030497A CN114030497A CN202111387626.9A CN202111387626A CN114030497A CN 114030497 A CN114030497 A CN 114030497A CN 202111387626 A CN202111387626 A CN 202111387626A CN 114030497 A CN114030497 A CN 114030497A
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- Prior art keywords
- air duct
- air
- duct
- wall
- exhaust
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- 239000000779 smoke Substances 0.000 title claims abstract description 57
- 239000002912 waste gas Substances 0.000 claims description 19
- 239000003517 fume Substances 0.000 claims description 9
- 238000004378 air conditioning Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 description 84
- 239000002826 coolant Substances 0.000 description 51
- 238000009434 installation Methods 0.000 description 23
- 239000007788 liquid Substances 0.000 description 21
- 238000000034 method Methods 0.000 description 13
- 230000005540 biological transmission Effects 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000009413 insulation Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 238000003754 machining Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000002706 hydrostatic effect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000002918 waste heat 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
- B61D27/009—Means for ventilating only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
- B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
- B61D17/08—Sides
Abstract
The invention provides a rail vehicle and a smoke exhaust structure thereof, wherein the rail vehicle comprises: the top frame, the bottom frame, the inner wall and the outer wall; the inner wall and the outer wall are respectively connected with the top frame and the bottom frame; the inboard of interior wall is the guest room the smoke exhaust structure includes: a smoke exhaust duct; the smoke exhaust duct is respectively connected with the top frame and the bottom frame and is arranged between the inner wall and the outer wall; wherein the exhaust duct directs at least exhaust from the undercarriage to a rear roof of the rail vehicle for discharge. According to the smoke exhaust structure of the railway vehicle and the railway vehicle, the smoke exhaust air channel is arranged between the inner wall and the outer wall, so that exhaust gas of the underframe is guided to the top frame and then exhausted, the exhaust gas exhaust requirement is met, and the problem that the exhaust gas enters a passenger room is avoided.
Description
Technical Field
The invention relates to the technical field of rail vehicles, in particular to a smoke exhaust structure of a rail vehicle and the rail vehicle.
Background
At present, a power pack of a railway vehicle is heavy and can only be installed on an underframe structure with high rigidity and strength, and the temperature of waste gas generated during the operation of the power pack is high, so that operators on the side surface of the vehicle and equipment under the vehicle can be influenced.
Disclosure of Invention
The invention provides a smoke exhaust structure of a railway vehicle, which is used for solving the defects that the temperature of waste gas generated during the operation of a power pack is higher and the influence on operators on the side surface of the vehicle and equipment under the vehicle is caused in the prior art.
The invention further provides the railway vehicle.
According to a first aspect of the present invention, there is provided a smoke evacuation structure for a rail vehicle, the rail vehicle comprising: the top frame, the bottom frame, the inner wall and the outer wall;
the inner wall and the outer wall are respectively connected with the top frame and the bottom frame;
the inner side of the inner wall is a passenger room;
the fume exhaust structure includes: a smoke exhaust duct;
the smoke exhaust duct is respectively connected with the top frame and the bottom frame and is arranged between the inner wall and the outer wall;
wherein the exhaust duct directs at least exhaust from the undercarriage to a rear roof of the rail vehicle for discharge.
It should be noted that, the exhaust air duct is arranged between the inner wall and the outer wall, so that the attractiveness of the railway vehicle is ensured, and meanwhile, the exhaust air duct is prevented from being exposed outside the vehicle or at the joint, so that waste gas and heat are discharged into the railway vehicle, and the comfort of a passenger room is influenced.
According to one embodiment of the invention, the flue gas duct comprises: the air conditioner comprises a first air duct, a second air duct and a third air duct;
the first air duct is fixedly connected with the top frame;
the third air duct is fixedly connected with the underframe;
the second air duct is arranged between the first air duct and the third air duct and is used for connecting the first air duct and the third air duct.
Particularly, this embodiment provides an implementation mode of exhaust flue, through with exhaust flue divide into the syllogic to with first wind channel and roof-rack fixed connection, third wind channel and chassis fixed connection use the grafting cooperation in first wind channel, second wind channel and third wind channel in the installation, compensated the pipeline length change that arouses because manufacturing tolerance, avoid the rainwater to gather the pipeline inner wall simultaneously.
In a possible implementation mode, the first air duct and the top frame are prefabricated, the top frame is provided with an installation opening for fixing the first air duct, the first air duct and the top frame are welded, and the verticality and the sealing performance of the first air duct are guaranteed by the arrangement.
In a possible implementation mode, the third air duct and the bottom frame are prefabricated, the bottom frame is provided with an installation opening for fixing the third air duct, and the third air duct and the bottom frame are welded, so that the requirements on the perpendicularity and the sealing performance of the third air duct are met.
According to one embodiment of the present invention, the first air duct, the second air duct and the third air duct form an air duct structure inserted into or abutted against each other.
Specifically, the present embodiment provides an implementation manner in which the first air duct, the second air duct, and the third air duct are connected to form the smoke exhaust air duct, and a plugging or abutting arrangement manner is provided, so that the requirement on the processing technology of the second air duct is reduced, and the length change of the pipeline caused by the manufacturing tolerance can be compensated.
In a possible implementation mode, the first air duct, the second air duct and the third air duct are connected in a plugging mode, so that the problem of leakage of waste gas and rainwater from the air duct connection part can be avoided while the problem of installation error caused by machining tolerance is avoided.
In possible implementation mode, first wind channel, second wind channel and third wind channel adopt the mode of butt to realize connecting, are provided with the flange at the junction in first wind channel and second wind channel to and the junction in second wind channel and third wind channel, realize the connection in first wind channel, second wind channel and third wind channel through the flange, when having avoided the installation error problem that leads to because machining tolerance, can also avoid waste gas and rainwater to follow the problem that the wind channel junction was revealed.
According to an embodiment of the present invention, a portion of the first air duct is sleeved outside a portion of the second air duct;
or part of the first air duct is embedded inside part of the second air duct.
Specifically, the present embodiment provides an implementation manner of connecting the first air duct and the second air duct, and the first air duct and the second air duct are connected by sleeving or embedding, so as to compensate for the problem of installation error caused by manufacturing tolerance.
According to an embodiment of the present invention, a portion of the second air duct is sleeved outside a portion of the third air duct;
or part of the second air duct is embedded inside part of the third air duct.
Specifically, the present embodiment provides an implementation manner of connecting the second air duct and the third air duct, and the second air duct and the third air duct are connected by sleeving or embedding, so as to compensate for the problem of installation error caused by manufacturing tolerance.
According to an embodiment of the present invention, the second air duct includes: a rigid air duct section and a flexible air duct section;
one end of each of the two flexible air channel sections is fixedly connected with two ends of the rigid air channel section, and the other end of each of the two flexible air channel sections is sleeved or embedded in the first air channel and the third air channel.
Particularly, this embodiment provides an embodiment in second wind channel, and the installation of the upper and lower segments in the wind channel of discharging fume during the installation is accomplished at chassis and frame structure respectively, carries out the installation of interlude again after the automobile body group is organized and is accomplished, because the flexible construction of interlude tip, there is positioning error in the upper and lower section also can guarantee fume extractor's installation, promotion fume extractor's that can be very big installation effectiveness.
According to one embodiment of the invention, the flexible duct section is a flexible fabric.
Specifically, the present embodiments provide an embodiment of a flexible duct segment.
According to one embodiment of the present invention, the inner wall of the smoke evacuation duct is provided with a first thermal insulation layer.
Particularly, the embodiment of the first heat insulating layer arranged on the inner wall of the smoke exhaust duct can effectively reduce the heat transferred to the interior of the vehicle during exhaust emission, and improves the comfort of a passenger room.
According to one embodiment of the invention, the outer wall of the smoke evacuation duct is provided with a second insulating layer.
Particularly, the embodiment that the embodiment provided a set up the second insulating layer at exhaust flue outer wall can effectively reduce the heat of transmitting to vehicle inside when exhaust emission, improves the guest room travelling comfort.
According to an embodiment of the present invention, further comprising: and one end of the first waste gas air channel is connected with the third air channel, and the other end of the first waste gas air channel is connected with an exhaust port of the power pack.
Specifically, the present embodiment provides an implementation manner of the first exhaust air duct, through the arrangement of the first exhaust air duct, the exhaust air discharged by the power pack can be introduced into the exhaust air duct.
According to an embodiment of the present invention, further comprising: and one end of the second waste gas air channel is connected with the first air channel or the third air channel, and the other end of the second waste gas air channel is connected with an exhaust port of the air conditioning equipment.
Specifically, the present embodiment provides an implementation of the second exhaust air duct, through the arrangement of the second exhaust air duct, the exhaust air discharged from the air conditioning equipment can be introduced into the smoke exhaust air duct.
According to a second aspect of the invention, a rail vehicle is provided, which has the smoke exhausting structure of the rail vehicle.
One or more technical solutions in the present invention have at least one of the following technical effects: according to the smoke exhaust structure of the railway vehicle and the railway vehicle, the smoke exhaust air channel is arranged between the inner wall and the outer wall, so that exhaust gas of the underframe is guided to the top frame and then exhausted, the exhaust gas exhaust requirement is met, and the problem that the exhaust gas enters a passenger room is avoided.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic view of the assembly of a smoke evacuation structure for a rail vehicle according to the present invention;
FIG. 2 is a schematic view illustrating an assembly relationship of a second air duct in the smoke evacuation structure of the rail vehicle according to the present invention;
FIG. 3 is a schematic view of the arrangement relationship of the first heat insulation layer and the second heat insulation layer in the smoke exhaust structure of the railway vehicle provided by the invention;
FIG. 4 is a schematic view illustrating the arrangement of a first exhaust air duct in the smoke evacuation structure of a rail vehicle according to the present invention;
FIG. 5 is a schematic view of a second exhaust duct in the smoke evacuation structure of a rail vehicle according to the present invention;
fig. 6 is a second schematic layout of a second exhaust air duct in the smoke evacuation structure of a rail vehicle according to the present invention;
FIG. 7 is a schematic view of a power pack cooling system in a smoke exhaust structure of a rail vehicle according to the present invention;
fig. 8 is a second schematic layout of a power pack cooling system in the smoke exhaust structure of the rail vehicle according to the present invention.
Reference numerals:
10. a top frame; 20. A chassis; 30. An inner wall;
40. an outer wall; 50. A first air duct; 60. A second air duct;
61. a rigid air duct section; 62. A flexible duct section; 70. A third air duct;
80. a first insulating layer; 90. A second thermal insulation layer; 100. A first exhaust air duct;
110. a second exhaust duct; 120. A diesel engine; 130. A gearbox;
140. a generator; 150. A cooling pump; 160. A first exchanger;
170. a first pipeline; 180. A second pipeline; 190. A temperature control valve;
200. a first heat sink; 210. A first cooling fan; 220. A supercharger;
230. a second heat sink; 240. A second cooling fan; 250. A third pipeline;
260. a second exchanger; 270. A fourth pipeline.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In some embodiments of the present invention, as shown in fig. 1 to 6, the present invention provides a smoke evacuation structure of a rail vehicle, the rail vehicle including: a top frame, a bottom frame 20, an inner wall 30 and an outer wall 40; the inner wall 30 and the outer wall 40 are connected with the top frame and the bottom frame 20, respectively; the interior of the interior wall 30 is a passenger compartment; the structure of discharging fume includes: a smoke exhaust duct; the smoke exhaust duct is respectively connected with the top frame and the bottom frame 20 and is arranged between the inner wall 30 and the outer wall 40; wherein the exhaust air duct at least guides exhaust air of the underframe 20 to the roof 10 of the railway vehicle and then discharges the exhaust air.
In detail, the invention provides a smoke exhaust structure of a railway vehicle, which is used for solving the defects that the temperature of waste gas generated during the operation of a power pack is higher and the side operators and equipment under the vehicle are influenced in the prior art, and the waste gas of an underframe 20 is guided to a top frame and then discharged by arranging a smoke exhaust air channel between an inner wall 30 and an outer wall 40, so that the requirement of waste gas discharge is met, and the problem that the waste gas enters a passenger room is also avoided.
It should be noted that, the exhaust air duct is disposed between the inner wall 30 and the outer wall 40, so as to ensure the aesthetic appearance of the rail vehicle, and prevent the exhaust air duct from being exposed outside the vehicle or at the joint, which may cause the influence on the comfort of the passenger room when the exhaust air and heat are discharged into the rail vehicle.
In some possible embodiments of the invention, the flue duct comprises: a first air duct 50, a second air duct 60, and a third air duct 70; the first air duct 50 is fixedly connected with the top frame; the third air duct 70 is fixedly connected with the chassis 20; the second air duct 60 is disposed between the first air duct 50 and the third air duct 70, and is used for connecting the first air duct 50 and the third air duct 70.
Specifically, the present embodiment provides an implementation of a smoke exhaust duct, which divides the smoke exhaust duct into three sections, and fixedly connects the first duct 50 to the top frame and the third duct 70 to the bottom frame 20, and uses the insertion fit of the first duct 50, the second duct 60 and the third duct 70 during the installation process, so as to compensate the length change of the pipeline caused by the manufacturing tolerance and prevent rainwater from gathering on the inner wall of the pipeline.
In a possible implementation mode, the first air duct 50 and the top frame are prefabricated, an installation opening for fixing the first air duct 50 is formed in the top frame, the first air duct 50 and the top frame are welded, and the perpendicularity and sealing requirements of the first air duct 50 are met through the arrangement.
In a possible embodiment, the third air duct 70 and the bottom frame 20 are prefabricated, an installation opening for fixing the third air duct 70 is formed in the bottom frame 20, and the third air duct 70 and the bottom frame 20 are welded, so that the verticality and the sealing performance of the third air duct 70 are ensured.
In some possible embodiments of the present invention, the first air duct 50, the second air duct 60, and the third air duct 70 form an air duct structure that is plugged or abutted against each other.
Specifically, the present embodiment provides an implementation manner in which the first air duct 50, the second air duct 60, and the third air duct 70 are connected to form a smoke exhaust air duct, and the arrangement of insertion connection or abutment enables the requirement on the processing technology of the second air duct 60 to be reduced, and the length change of the duct caused by the manufacturing tolerance to be compensated.
In a possible embodiment, the first air duct 50, the second air duct 60 and the third air duct 70 are connected in a plugging manner, so that the problem of installation error caused by machining tolerance is avoided, and meanwhile, the problem of leakage of waste gas and rainwater from the air duct connection part can be avoided.
In a possible embodiment, the first air duct 50, the second air duct 90 and the third air duct 70 are connected in an abutting mode, flanges are arranged at the joint of the first air duct 50 and the second air duct 60 and the joint of the second air duct 60 and the third air duct 70, the first air duct 50, the second air duct 60 and the third air duct 70 are connected through the flanges, the problem of installation error caused by machining tolerance is avoided, and meanwhile the problem that waste gas and rainwater leak from the air duct joint in use can be avoided.
In some possible embodiments of the present invention, a portion of the first air duct 50 is sleeved outside a portion of the second air duct 60.
Alternatively, a portion of the first air duct 50 is embedded inside a portion of the second air duct 60.
Specifically, the present embodiment provides an implementation manner of connecting the first air duct 50 and the second air duct 60, and the first air duct 50 and the second air duct 60 are connected by sleeving or embedding, so as to compensate for the problem of installation error caused by manufacturing tolerance.
In some possible embodiments of the present invention, a portion of the second air duct 60 is sleeved outside a portion of the third air duct 70.
Alternatively, a portion of the second air path 60 is embedded inside a portion of the third air path 70.
Specifically, the present embodiment provides an implementation manner of connecting the second air duct 60 and the third air duct 70, and the second air duct 60 and the third air duct 70 are connected by sleeving or embedding, so as to compensate for the problem of installation error caused by manufacturing tolerance.
In some possible embodiments of the present invention, the second air duct 60 includes: a rigid air duct section 61 and a flexible air duct section 62; one end of each of the two flexible air duct sections 62 is fixedly connected to the two ends of the rigid air duct section 61, and the other end of each of the two flexible air duct sections 62 is sleeved or embedded in the first air duct 50 and the third air duct 70.
Particularly, this embodiment provides an implementation of second wind channel 60, and the installation of the upper and lower sections in the wind channel of discharging fume during the installation is accomplished at chassis 20 and frame structure respectively, carries out the installation of interlude again after the automobile body group is organized and is accomplished, because the flexible construction of interlude tip, there is positioning error in the upper and lower section also can guarantee fume extractor's installation, promotion fume extractor's that can be very big installation effectiveness.
In some possible embodiments of the invention, the flexible duct section 62 is a flexible fabric.
Specifically, the present embodiment provides an embodiment of a flexible duct segment 62.
In some possible embodiments of the invention, the inner wall of the flue gas duct is provided with a first insulating layer 80.
Specifically, the embodiment provides an implementation mode that the first heat insulation layer 80 is arranged on the inner wall of the smoke exhaust duct, so that the heat transferred to the interior of the vehicle during exhaust emission can be effectively reduced, and the comfort of a passenger room is improved.
In some possible embodiments of the invention, the outer wall of the flue gas duct is provided with a second insulating layer 90.
Specifically, the embodiment that the second heat insulation layer 90 is arranged on the outer wall of the smoke exhaust duct can effectively reduce the heat transferred to the interior of the vehicle during exhaust emission, and improves the comfort of a passenger room.
In some possible embodiments of the present invention, the method further includes: and one end of the first exhaust air duct 100 is connected with the third air duct 70, and the other end of the first exhaust air duct 100 is connected with an exhaust port of the power pack.
Specifically, the present embodiment provides an implementation of the first exhaust air duct 100, and through the arrangement of the first exhaust air duct 100, the exhaust air discharged from the power pack can be introduced into the exhaust air duct.
In some possible embodiments of the present invention, the method further includes: and one end of the second exhaust air duct 110 is connected to the first air duct 50 or the third air duct 70, and the other end of the second exhaust air duct 110 is connected to an exhaust port of the air conditioning equipment.
Specifically, the present embodiment provides an embodiment of the second exhaust air duct 110, and through the arrangement of the second exhaust air duct 110, the exhaust air discharged from the air conditioning equipment can be introduced into the exhaust air duct.
In some embodiments of the present invention, as shown in fig. 7 and 8, the present solution provides a power pack cooling system of a railway vehicle, the power pack including: a diesel engine 120, a gearbox 130 and a generator 140; the diesel engine 120 is connected with a gearbox 130; the gearbox 130 is connected with wheel pairs of the rail vehicle; the generator 140 is connected with the electric equipment of the rail vehicle; wherein, the cooling system is respectively connected with the diesel engine 120, the gearbox 130 and the generator 140, and the cooling medium in the cooling system is used for realizing the cooling of the diesel engine 120, the gearbox 130 and the generator 140.
In detail, the invention provides a power pack cooling system of a railway vehicle, which is used for solving the defects that in the prior art, a power pack of the railway vehicle needs to cool oil of a gearbox 130, a generator 140, a diesel engine 120 and pressurized air, a plurality of cooling parts are needed, and a cooling loop is complex, and the cooling of the diesel engine 120, the generator 140 and the gearbox 130 is arranged in a coordinated manner, so that the cooling loop of the diesel engine 120 is commonly used for cooling.
In some possible embodiments of the invention, the method comprises: a cooling pump 150, a first exchanger 160, a first pipe 170 and a second pipe 180; the first exchanger 160 is disposed in parallel with the generator 140; the liquid inlet end of the cooling pump 150 and the first exchanger 160 after being connected in parallel are connected with the liquid outlet end of the generator 140; the liquid outlet end of the cooling pump 150 is connected with the liquid inlet end of the diesel engine 120; the liquid outlet end of the diesel engine 120 is connected with the liquid outlet end of the generator 140 through the first exchanger 160 after being connected in parallel; the first pipe 170 forms a loop between the cooling pump 150, the diesel engine 120, the generator 140 and the first exchanger 160; a second circuit 180 forms a circuit between the first exchanger 160 and the gearbox 130; wherein, the cooling medium in the first pipeline 170 flows through the cooling pump 150, the diesel engine 120, the generator 140 and the first exchanger 160 to form a first cooling path, and the first cooling path is used for cooling the diesel engine 120 and the generator 140; the transmission oil in the second pipeline 180 flows through the first exchanger 160 to obtain cold energy, and then enters the gearbox 130 to form a second cooling passage, and the second cooling passage is used for cooling the gearbox 130.
Specifically, the present embodiment provides an embodiment of a cooling pump 150, a first exchanger 160, a first pipeline 170 and a second pipeline 180, wherein the cooling pump 150 realizes the flow of a cooling medium, the first pipeline 170 realizes the cooling of the diesel engine 120 and the generator 140 by the cooling medium, and the cooling circuit of the generator 140 is coupled with the cooling circuit of the diesel engine 120, so that the arrangement of the cooling pipelines is reduced.
Further, the transmission oil in the second pipeline 180 exchanges cooling energy with the cooling medium in the first pipeline 170 through the first exchanger 160, and the transmission oil after obtaining the cooling energy enters the gearbox 130 through the second pipeline 180.
In some possible embodiments of the present invention, the method further includes: a thermo valve 190, a first radiator 200, and a first cooling fan 210; the liquid inlet end of the temperature control valve 190 is connected with the liquid outlet end of the diesel engine 120 through a first pipeline 170; a first liquid outlet end of the temperature control valve 190 is connected with the liquid inlet ends of the generator 140 and the first exchanger 160 which are connected in parallel through a first pipeline 170; the second liquid outlet end of the temperature control valve 190 is connected with the liquid inlet end of the first radiator 200 through a first pipeline 170; the liquid outlet end of the first radiator 200 is connected with the liquid inlet ends of the generator 140 and the first exchanger 160 which are connected in parallel through a first pipeline 170; the first cooling fan 210 is provided corresponding to the first radiator 200, and cools the cooling medium flowing through the first radiator 200.
Specifically, the present embodiment provides an implementation manner of the thermostatic valve 190, the first radiator 200, and the first cooling fan 210, since the cooling medium in the first pipeline 170 respectively cools the diesel engine 120, the generator 140, and the gearbox 130, there may be a temperature at which the temperature of the cooling medium is too high, and at this time, the temperature of the cooling medium needs to be reduced.
Further, the thermo valve 190 is a valve body having at least a three-way valve, and can adjust opening and closing of each valve port.
In a possible embodiment, when the thermo valve 190 detects that the temperature of the cooling medium is less than a preset value, the cooling medium circulates only in the diesel engine 120, the generator 140, and the first exchanger 160, forming a small loop.
In a possible embodiment, when the temperature control valve 190 monitors that the temperature of the cooling medium is higher than a preset value, the cooling medium flows into the first radiator 200 to be cooled, and the first cooling fan 210 is arranged corresponding to the first radiator 200 to cool the cooling medium, so that a large loop is formed.
In a possible embodiment, the first cooling fan 210 is driven by a hydrostatic motor, and stepless speed regulation can be realized.
In some possible embodiments of the present invention, the method further includes: a supercharger 220, a second radiator 230, a second cooling fan 240, and a third duct 250; the liquid outlet end of the booster 220 is connected with the liquid inlet end of the second radiator 230; the liquid outlet end of the second radiator 230 is connected with the air inlet end of the diesel engine 120; the outlet end of the diesel engine 120 is communicated with the external environment; a second cooling fan 240 is disposed corresponding to the second heat sink 230 for cooling air flowing through the second heat sink 230; wherein, the external air enters from the air inlet end of the third pipeline 250 and flows through the supercharger 220 to be supercharged; the pressurized air flows through the second radiator 230 to be cooled, and the cooled air enters the air inlet end of the diesel engine 120 through the third pipeline 250.
Specifically, the present embodiment provides an implementation of the supercharger 220, the second radiator 230, the second cooling fan 240 and the third pipeline 250, and by providing the supercharger 220, when the external environment temperature satisfies a certain condition, the diesel engine 120 can be cooled by obtaining the external air.
Further, the arrangement of the second radiator 230, the second cooling fan 240 and the third pipeline 250 realizes the transportation and cooling of the pressurized outside air, and realizes the cooling of the diesel engine 120.
In a possible embodiment, the second cooling fan 240 is driven by a hydrostatic motor, allowing stepless speed regulation.
In a possible embodiment, the present invention further includes a temperature sensor, a controller, and a communication network, where the controller performs overall operation according to the corresponding external environment temperature, the external air temperature, the cooling medium temperature, the transmission oil temperature, and the like to obtain a corresponding cooling control scheme, and in order to save space, the present invention does not have much description on this, and in practical applications, reference may be made to a related control method so as to implement a related technical scheme of the present invention, and it should not be understood that the scheme of the present invention in the control method is missing or incomplete.
In some possible embodiments of the present invention, the method further includes: a second exchanger 260; the air inlet end of the second exchanger 260 is connected with the air outlet end of the second radiator 230 through a third pipeline 250; the first outlet end of the second exchanger 260 is connected with the inlet end of the diesel engine 120 through a third pipeline 250; the liquid inlet end of the second exchanger 260 is connected with the liquid outlet end of the diesel engine 120 through a first pipeline 170; the liquid outlet end of the second exchanger 260 is connected with the liquid inlet ends of the generator 140 and the first exchanger 160 which are connected in parallel through the first pipeline 170; after the cooling medium in the first pipeline 170 flows through the second exchanger 260, cooling energy for cooling the generator 140, the gearbox 130 and the diesel engine 120 is obtained.
Specifically, in this embodiment, an implementation manner of the second exchanger 260 is provided, by providing the second exchanger 260, when the temperature of the external environment or the external air meets a preset condition, after the external cold air is pressurized and cooled, cold exchange is performed on the cooling medium in the first pipeline 170 through the second exchanger 260, the cooling medium after the cold exchange is completed provides cold for the diesel engine 120, the generator 140, and the gearbox 130, and meanwhile, the external air after the cold exchange with the cooling medium is completed enters the diesel engine 120, and provides cold for the diesel engine 120.
It should be noted that the diesel engine 120 of the present embodiment performs two-dimensional cooling by the cooling medium and the external control.
In some possible embodiments of the present invention, the method further includes: one end of the fourth pipe 270 is connected to the second air outlet end of the second exchanger 260, and the other end of the fourth pipe 270 is communicated with the outside; the external air enters from the air inlet end of the third pipeline 250, flows through the second exchanger 260, and is discharged from the fourth pipeline 270.
Specifically, the present embodiment provides an implementation of the fourth pipeline 270, when the external ambient temperature or the external air temperature reaches a certain condition, the temperature of the cooling medium or the cooling of the diesel engine 120 can be reduced by directly introducing the external air.
In a possible embodiment, the fourth pipe 270 is arranged to facilitate direct discharge of the introduced outside air after exchanging cooling capacity with the cooling medium.
In a possible embodiment, the external air is introduced directly and then, respectively, is exchanged for cooling energy with the cooling medium and the diesel engine 120 is cooled, during which no supercharging takes place by means of the supercharger 220.
It should be noted that, for the introduction of the external air, the negative pressure in the third pipeline 250 can be realized by arranging a corresponding fan, etc., so as to directly introduce the cold air.
In some possible embodiments of the invention, a method of controlling a power pack cooling system of a rail vehicle comprises:
sending an activation signal to the cooling pump 150 in response to the cooling signal;
the cooling pump 150 drives the cooling medium to flow to form a first cooling path for cooling the diesel engine 120 and the generator 140;
after the transmission oil of the transmission case 130 exchanges cooling energy with the cooling medium through the first exchanger 160, a second cooling passage for cooling the transmission case 130 is formed.
In some possible embodiments of the present invention, after the step of driving the cooling medium to flow by the cooling pump 150 to form the first cooling path for cooling the diesel engine 120 and the generator 140, the method specifically further includes:
acquiring the instant temperature of the cooling medium and judging;
if the instant temperature of the cooling medium is determined to reach the first preset temperature, the cooling medium flows through the first radiator 200 to obtain the cooling capacity.
Specifically, the present embodiment provides an implementation mode in which the cooling medium obtains cooling capacity through the radiator, and the cooling medium is cooled by the first radiator 200, so that the cooling medium can continuously cool the diesel engine 120, the generator 140, and the gearbox 130.
In some possible embodiments of the present invention, after the step of driving the cooling medium to flow by the cooling pump 150 to form the first cooling path for cooling the diesel engine 120 and the generator 140, the method specifically further includes:
acquiring the instant temperature of the cooling medium and judging;
when the instant temperature of the cooling medium is determined to reach the first preset temperature, the outside air is pressurized by flowing through the supercharger 220, and the pressurized air is cooled by flowing through the second radiator 230;
the cooling medium obtains cold energy from the cooled air;
the air having exchanged the cooling capacity with the cooling medium enters the diesel engine 120.
Specifically, the present embodiment provides an implementation mode in which the cooling medium obtains cooling capacity through cold air, the diesel engine 120 is cooled through external control, and meanwhile, the cooling capacity is exchanged between the external air and the cooling medium, so that the cooling medium is ensured to cool the diesel engine 120, the generator 140, and the transmission 130.
It should be noted that the diesel engine 120 of the present embodiment performs two-dimensional cooling by the cooling medium and the external control.
In some possible embodiments of the present invention, after the step of driving the cooling medium to flow by the cooling pump 150 to form the first cooling path for cooling the diesel engine 120 and the generator 140, the method specifically further includes:
acquiring the instant temperature of the cooling medium and judging;
if it is determined that the instantaneous temperature of the cooling medium reaches the first preset temperature and the external environment temperature reaches the second preset temperature, the external air exchanges the cooling capacity with the cooling medium through the second exchanger 260.
Specifically, the present embodiment provides another embodiment in which the cooling medium obtains cooling capacity through cold air, and the cooling medium continuously cools the diesel engine 120, the generator 140, and the transmission 130 through the direct exchange of cooling capacity between the external air and the cooling medium.
It should be noted that, the external air alone exchanges cooling capacity with the cooling medium, or the external air exchanges cooling capacity with the cooling medium on the one hand and cools the diesel engine 120 on the other hand, which can be selected according to the actual conditions, including the external ambient temperature, the temperature of the diesel engine 120, the temperature of the cooling medium, and the cooling capacity required in the whole system, and there are various considerations.
In some embodiments of the invention, the scheme provides a railway vehicle, and the railway vehicle smoke exhausting structure is provided.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "a manner," "a particular manner," or "some manner" or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or manner is included in at least one embodiment or manner of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or mode. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or modes. Furthermore, various embodiments or modes described in this specification, as well as features of various embodiments or modes, may be combined and combined by those skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are merely illustrative of the present invention and are not to be construed as limiting the invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and the technical solution of the present invention is covered by the claims of the present invention.
Claims (12)
1. A smoke evacuation structure for a rail vehicle, characterized in that the rail vehicle comprises: the top frame, the bottom frame, the inner wall and the outer wall;
the inner wall and the outer wall are respectively connected with the top frame and the bottom frame;
the inner side of the inner wall is a passenger room;
the fume exhaust structure includes: a smoke exhaust duct;
the smoke exhaust duct is respectively connected with the top frame and the bottom frame and is arranged between the inner wall and the outer wall;
wherein the exhaust duct directs at least exhaust from the undercarriage to a rear roof of the rail vehicle for discharge.
2. A smoke evacuation structure for a railway vehicle according to claim 1, wherein said smoke evacuation duct comprises: the air conditioner comprises a first air duct, a second air duct and a third air duct;
the first air duct is fixedly connected with the top frame;
the third air duct is fixedly connected with the underframe;
the second air duct is arranged between the first air duct and the third air duct and is used for connecting the first air duct and the third air duct.
3. The smoke evacuation structure for a railway vehicle according to claim 2, wherein the first air duct, the second air duct and the third air duct form an air duct structure inserted or abutted to each other.
4. The smoke evacuation structure for a railway vehicle as claimed in claim 3, wherein a portion of the first air duct is sleeved outside a portion of the second air duct;
or part of the first air duct is embedded inside part of the second air duct.
5. The smoke evacuation structure for a railway vehicle as claimed in claim 3, wherein a portion of the second air duct is sleeved outside a portion of the third air duct;
or part of the second air duct is embedded inside part of the third air duct.
6. A smoke evacuation structure for a railway vehicle according to claim 2, wherein said second air duct comprises: a rigid air duct section and a flexible air duct section;
one end of each of the two flexible air channel sections is fixedly connected with two ends of the rigid air channel section, and the other end of each of the two flexible air channel sections is sleeved or embedded in the first air channel and the third air channel.
7. A smoke evacuation structure for a railway vehicle as claimed in claim 6 wherein the flexible duct section is a flexible braid.
8. A smoke evacuation structure for a railway vehicle as claimed in claim 2, wherein the inner wall of the smoke evacuation duct is provided with a first insulating layer.
9. A smoke evacuation structure for a railway vehicle as claimed in claim 2, wherein the outer wall of the smoke evacuation duct is provided with a second insulating layer.
10. A smoke evacuation structure for a railway vehicle according to any one of claims 2 to 9, further comprising: and one end of the first waste gas air channel is connected with the third air channel, and the other end of the first waste gas air channel is connected with an exhaust port of the power pack.
11. A smoke evacuation structure for a railway vehicle according to any one of claims 2 to 9, further comprising: and one end of the second waste gas air channel is connected with the first air channel or the third air channel, and the other end of the second waste gas air channel is connected with an exhaust port of the air conditioning equipment.
12. A rail vehicle, characterized by having a smoke evacuation structure of a rail vehicle according to any one of the preceding claims 1 to 11.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111387626.9A CN114030497A (en) | 2021-11-22 | 2021-11-22 | Rail vehicle's smoke exhausting structure and rail vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111387626.9A CN114030497A (en) | 2021-11-22 | 2021-11-22 | Rail vehicle's smoke exhausting structure and rail vehicle |
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| CN114030497A true CN114030497A (en) | 2022-02-11 |
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| CN202111387626.9A Pending CN114030497A (en) | 2021-11-22 | 2021-11-22 | Rail vehicle's smoke exhausting structure and rail vehicle |
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Application publication date: 20220211 |
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