Waste gas exhaust system and railway vehicle

Abstract

The utility model provides a waste gas exhaust system and railway vehicle, the waste gas exhaust system is suitable for being configured on the vehicle body of railway vehicle, the waste gas exhaust system comprises: auxiliary heating equipment, the auxiliary heating equipment comprises a cover plate, the cover plate is arranged at the bottom of the side wall of the vehicle body, and the cover plate is provided with a grid hole communicated with the internal space of the vehicle body; the waste discharge equipment comprises an exhaust pipe which is arranged in the vehicle body and is communicated with the grid holes of the cover plate; and the negative pressure assembly is arranged in the exhaust pipe and is constructed to enable negative pressure to be formed in the exhaust pipe so as to exhaust waste gas in the internal space of the vehicle body along the exhaust pipe. The rail vehicle comprises a vehicle body provided with the waste gas exhaust system.

Description

Technical Field

[0001] At least one embodiment of the utility model relates to the technical field of rail vehicles, and in particular to an exhaust gas exhaust system and a rail vehicle. Background Art

[0002] In order to reduce wind resistance and maintain the strength of the vehicle body, rail vehicles are mainly designed as closed vehicle body structures, and there are no windows on the vehicle body that are connected to the external environment. For this reason, independent fresh air equipment and exhaust gas exhaust systems need to be configured inside the vehicle body, wherein the fresh air equipment is suitable for replenishing fresh air into the internal space of the vehicle body (such as the passenger compartment and the driver's room), and the exhaust gas exhaust system is suitable for exhausting the exhaust gas in the internal space of the vehicle body (such as the passenger compartment and the driver's room), so that the air forms a circulation between the vehicle body and the external environment.

[0003] At present, the exhaust device of the common exhaust system is usually connected to the air intake end of the vehicle body and is usually set as an independent box structure. In order to prevent the air intake end of the exhaust device from being blocked, the box structure with the air intake end is often protruded from the floor of the vehicle. This not only occupies the limited internal space of the vehicle body, but also easily forms a cleaning dead corner.

[0004] Therefore, how to make the air intake end of the exhaust device independent of the independent box structure has become a technical problem to be solved urgently. Utility Model Content

[0005] In order to solve at least one of the above-mentioned and other technical problems in the prior art, the utility model provides an exhaust gas exhaust system and a rail vehicle, in which the air intake end of the exhaust gas exhaust device in the exhaust gas exhaust system is integrated with other existing equipment in the rail vehicle to avoid the independently arranged box-type structure occupying the internal space of the vehicle body.

[0006] An embodiment of the utility model provides an exhaust gas exhaust system suitable for being configured on the body of a rail vehicle, comprising: an auxiliary heating device, the auxiliary heating device comprising a cover plate, the cover plate being arranged at the bottom of the side wall of the body and having a grille hole connected to the internal space of the body; and an exhaust device, comprising: an exhaust pipe, arranged inside the body and connected to the grille hole of the cover plate; and a negative pressure component, arranged inside the exhaust pipe and configured to form a negative pressure inside the exhaust pipe so as to discharge the exhaust gas in the internal space of the body along the exhaust pipe.

[0007] According to an embodiment of the utility model, the exhaust pipe extends along the side wall of the vehicle body toward the vehicle interior floor, and the exhaust end of the exhaust pipe is arranged below the vehicle interior floor.

[0008] According to an embodiment of the utility model, a filter assembly is provided at the air inlet end of the exhaust pipe.

[0009] According to an embodiment of the utility model, the exhaust pipe is provided with a plurality of air inlet ends, and the air inlet ends of the plurality of exhaust pipes are arranged at intervals on the auxiliary heating device.

[0010] According to an embodiment of the utility model, the auxiliary heating device further includes: a base plate having a receiving groove; and a heating component disposed in the receiving groove; wherein the cover plate is disposed on the notch of the receiving groove, and the air inlet end of the exhaust pipe is disposed on the base plate.

[0011] According to an embodiment of the utility model, the air inlet end of the exhaust pipe is arranged at the bottom of the accommodating groove formed by the bottom plate to face the cover plate.

[0012] According to an embodiment of the utility model, the air inlet end of the exhaust pipe is staggered with respect to the heating component.

[0013] According to an embodiment of the present utility model, the auxiliary heating device comprises a plurality of heating components, and the air inlet end of the exhaust pipe is arranged between two adjacent heating components.

[0014] According to an embodiment of the utility model, a baffle is provided at a portion of the bottom plate located between the air inlet end of the exhaust pipe and the heating assembly.

[0015] An embodiment of the utility model further provides a rail vehicle, comprising a vehicle body provided with an exhaust gas exhaust system.

[0016] According to the exhaust gas exhaust system and rail vehicle provided by the utility model, the air intake end of the exhaust pipe of the exhaust device is arranged on the existing auxiliary heating device inside the vehicle body, so that the air intake end of the exhaust device is integrated to share the grille hole on the cover plate of the auxiliary heating device. For this reason, there is no need to configure an air intake end with an independent box structure. In this way, not only the limited internal space of the vehicle body is saved, but also the cleaning dead angle caused by the independently arranged box structure is reduced. In addition, due to the reduction of the abrupt independent structure, it also appears more beautiful visually. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a partial cross-sectional view of an exhaust gas exhaust system according to an exemplary embodiment of the utility model;

[0018] Figure 2 yes Figure 1 A schematic diagram showing the arrangement of the exhaust gas removal system; and

[0019] Figure 3 yes Figure 1 A perspective view of the bottom plate of the auxiliary heating device of the exhaust gas exhaust system shown in FIG. Figure 3 A shows the cover plate, Figure 3B shows the baffle plate with the cover plate omitted.

[0020] In the drawings, the meanings of the reference numerals are as follows:

[0021] 1. Auxiliary heating equipment;

[0022] 11. Cover plate;

[0023] 12. Bottom plate;

[0024] 13. Heating components;

[0025] 2. Filter components;

[0026] 3. Side wall profiles;

[0027] 4. Exhaust pipe;

[0028] 41. Intake end;

[0029] 42. Side wall exhaust;

[0030] 43. Floor exhaust;

[0031] 5. Floor profiles;

[0032] 6. Car interior floor; and

[0033] 7. Baffle. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in combination with specific embodiments and with reference to the accompanying drawings.

[0035] The terms used herein are only for describing specific embodiments and are not intended to limit the present invention. The terms "include", "comprises", etc. used herein indicate the existence of the features, steps, operations and / or components, but do not exclude the existence or addition of one or more other features, steps, operations or components.

[0036] All terms used herein, including technical and scientific terms, have the meanings commonly understood by those skilled in the art, unless otherwise defined. It should be noted that the terms used herein should be interpreted as having a meaning consistent with the context of this specification, and should not be interpreted in an idealized or overly rigid manner.

[0037] When using expressions such as "at least one of A, B, and C, etc.", it should generally be interpreted as the meaning of the expression generally understood by those skilled in the art. For example, "a system having at least one of A, B, and C" should include but not be limited to a system having A alone, B alone, C alone, A and B, A and C, B and C, and / or A, B, C, etc. When using expressions such as "at least one of A, B, or C, etc.", it should generally be interpreted as the meaning of the expression generally understood by those skilled in the art. For example, "a system having at least one of A, B, or C" should include but not be limited to a system having A alone, B alone, C alone, A and B, A and C, B and C, and / or A, B, C, etc.

[0038] In order to meet the comfort requirements of drivers and passengers, rail vehicles need to be equipped with various auxiliary equipment inside the vehicle body. Among them, the fresh air equipment is suitable for replenishing fresh air into the internal space of the vehicle body (such as the passenger compartment and the driver's room); the exhaust gas exhaust system is suitable for exhausting the exhaust gas in the internal space of the vehicle body (such as the passenger compartment and the driver's room), so that the air circulates between the vehicle body and the external environment; the air conditioning equipment is suitable for adjusting the temperature of the internal space of the vehicle body (such as the passenger compartment and the driver's room); the auxiliary heating equipment 1 is suitable for heating the internal space of the vehicle body (such as the passenger compartment and the driver's room) under cold conditions (such as winter).

[0039] At present, the existing auxiliary heating equipment 1 is mostly arranged between the side wall of the vehicle body and the equipment arranged inside the vehicle body. The auxiliary heating equipment 1 is equipped with a heating component 13 (such as an electric heating component). In order to ensure the safety of the heating process and avoid burns and / or contact, the heating component 13 is often installed on the side wall of the vehicle body through a bottom plate 12, and then a cover plate 11 is arranged on the outside. On this basis, in order to improve the heating effect, a grille hole 111 connected to the internal space of the vehicle body (such as the passenger compartment and the driver's compartment) is also arranged on the cover plate 11.

[0040] Therefore, how to integrate the exhaust device with the auxiliary heating device 1 to save the internal space of the vehicle body has become a technical problem that needs to be solved urgently.

[0041] In view of this, based on the same inventive concept, the utility model provides an exhaust gas exhaust system and a rail vehicle.

[0042] Figure 1 It is a partial cross-sectional view of an exhaust gas exhaust system according to an illustrative embodiment of the utility model.

[0043] According to the exhaust gas exhaust system provided by the utility model, which is suitable for being arranged on the body of a rail vehicle, Figure 1As shown, it includes an auxiliary heating device 1 and an exhaust device. The auxiliary heating device 1 includes a cover plate 11, which is arranged at the bottom of the side wall of the vehicle body and has a grille hole 111 connected to the internal space of the vehicle body. The exhaust device includes an exhaust pipe 4 and a negative pressure component. The exhaust pipe 4 is arranged inside the vehicle body and is connected to the grille hole 111 of the cover plate 11. The negative pressure component is arranged in the exhaust pipe 4 and is configured to form a negative pressure inside the exhaust pipe 4 so as to discharge the exhaust gas in the internal space of the vehicle body along the exhaust pipe 4.

[0044] In an exemplary embodiment, the vehicle body includes an outer frame and an inner surface. Specifically, at least a portion of the outer frame and the inner surface are arranged at intervals to form a cavity. Furthermore, an exhaust pipe 4 of the exhaust device is arranged in the cavity.

[0045] In an exemplary embodiment, the cover plate 11 includes but is not limited to a grid plate. Specifically, the grid plate is provided with grid holes 111 evenly spaced. The grid holes 111 include but are not limited to bar holes, circular holes, elliptical holes and other hole structures suitable for isolating the heating component 13 of the auxiliary heating device 1 and allowing the heat generated by the heating component 13 to be transmitted to the internal space of the vehicle body (such as the passenger compartment and the driver's compartment) in the form of thermal radiation.

[0046] In an exemplary embodiment, the negative pressure component of the waste discharge device includes but is not limited to being arranged at the exhaust end or a position close to the exhaust end of the exhaust pipe 4. In detail, the waste discharge device includes but is not limited to using a negative pressure fan.

[0047] It should be noted here that any negative pressure component in the art that can be used to extract gas from a pipeline can be selected and applied, and no further details will be given.

[0048] In such an embodiment, the air inlet end 41 of the exhaust pipe 4 of the exhaust device is arranged on the existing auxiliary heating device inside the vehicle body, so that the air inlet end 41 of the exhaust device is integrated to share the grille hole 111 on the cover plate of the auxiliary heating device 1. For this reason, there is no need to configure an air inlet end with an independent box structure. In this way, not only the limited internal space of the vehicle body is saved, but also the cleaning dead angle caused by the independently arranged box structure is reduced. In addition, due to the reduction of the abrupt independent structure, it also appears more concise and beautiful visually.

[0049] According to the embodiments of the present utility model, Figure 1 As shown, the exhaust pipe 4 extends along the side wall of the vehicle body toward the vehicle interior floor 6 , and the exhaust end of the exhaust pipe 4 is arranged below the vehicle interior floor 6 .

[0050] According to the embodiments of the present utility model, Figure 1 As shown, the exhaust pipe 4 is provided with a plurality of air inlet ends 41 , and the air inlet ends of the plurality of exhaust pipes 4 are arranged on the auxiliary heating device 1 at intervals.

[0051] In an illustrative embodiment, Figure 1 As shown, the external frame of the vehicle body includes but is not limited to the side wall profile 3 and the floor profile 5, and the internal surface of the vehicle body includes but is not limited to the side wall and the interior floor 6. In detail, a vertical space extending in a substantially vertical direction is formed between the side wall profile 3 and the side wall, and a horizontal space extending in a substantially horizontal direction is formed between the interior floor 6 and the floor profile 5. Figure 1 As shown, the vertical space and the horizontal space are connected in the cross section along the width direction of the vehicle body, and form an "L"-shaped space. Further, the exhaust pipe 4 is provided with a side wall exhaust portion 42 located in the vertical space and a floor exhaust portion 43 located in the horizontal space in response to the "L"-shaped space, wherein the floor exhaust portion 43 is configured to be along the longitudinal direction of the vehicle body (such as Figure 1 The side wall exhaust portion 42 extends in the direction facing the paper as shown to serve as the main pipe of the exhaust pipe 4, and the corresponding side wall exhaust portion 42 serves as a branch pipe of the exhaust pipe 4, that is, the exhaust pipe 4 has a side wall exhaust portion 42, each of which is provided with an air inlet end 41. The multiple side wall exhaust portions 42 are suitable for absorbing exhaust gas from different positions in the vehicle body, and collecting the absorbed exhaust gas into the floor exhaust portion 43 for discharge outwardly.

[0052] In such an embodiment, the exhaust end of the exhaust pipe 4 is arranged below the vehicle interior floor 6, and the air intake end of the exhaust pipe 4 is arranged in the auxiliary heating device 1 located near the vehicle interior floor 6, which not only utilizes the existing auxiliary heating equipment, but also shortens the distance between the air intake end 41 and the air outlet end, thereby shortening the exhaust gas discharge path, avoiding pressure loss during the exhaust gas discharge process, and allowing the exhaust gas to be discharged outside the vehicle body more quickly.

[0053] According to the embodiments of the present utility model, Figure 1 As shown, the auxiliary heating device 1 further includes a bottom plate 12 and a heating component 13. The bottom plate 12 has a receiving groove. The heating component 13 is arranged in the receiving groove. The cover plate 11 is arranged on the notch of the receiving groove, and the air inlet end 41 of the exhaust pipe 4 is arranged on the bottom plate 12.

[0054] According to the embodiments of the present utility model, Figure 1 As shown, the air inlet end 41 of the exhaust pipe 4 is arranged at the bottom of the accommodating groove formed by the bottom plate 12 to face the cover plate 11.

[0055] In an illustrative embodiment, Figure 1 As shown, the air inlet end 41 of the exhaust pipe 4 is provided with a filter assembly 2 .

[0056] In an illustrative embodiment, Figure 1As shown, a concave receiving groove is formed on one side of the bottom plate 12 facing the inner space of the vehicle body (such as the passenger compartment and the driver's compartment). Figure 1 The left end of the container is covered with a cover plate 11. Further, the bottom position of the container (as shown in FIG. Figure 1 The right end shown in the figure is provided with an exhaust port connected to the air inlet end 41 of the exhaust pipe 4, and the exhaust port is arranged facing the cover plate 11. In this way, it is beneficial to maintain the negative pressure strength in the accommodating tank, so that the exhaust gas is more easily sucked into the cover plate 11.

[0057] In an illustrative embodiment, Figure 1 As shown, the exhaust port is tightly connected to the air inlet end 41 of the exhaust pipe 4, and a sealing material (including but not limited to a sealing strip) is filled (such as pasted) around the connection position to prevent the exhaust gas from leaking to the part outside the air inlet end 41 of the exhaust pipe 4. Further, a filter assembly 2 is arranged in the exhaust port, wherein the filter assembly includes but is not limited to a detachably mounted stainless steel wire mesh. In this way, the air inlet end 41 of the exhaust pipe 4 can be filtered to prevent the blockage caused by the sundries being stuffed into the exhaust pipe 4.

[0058] Figure 2 yes Figure 1 The schematic diagram of the exhaust gas removal system arrangement is shown.

[0059] According to the embodiments of the present utility model, Figure 2 As shown, the air inlet end 41 of the exhaust pipe 4 is staggered with the heating component 13 .

[0060] According to the embodiments of the present utility model, Figure 2 As shown, the auxiliary heating device 1 includes a plurality of heating components 13 , and the air inlet end 41 of the exhaust pipe 4 is disposed between two adjacent heating components 13 .

[0061] In an illustrative embodiment, Figure 2 As shown, the auxiliary heating device 1 may include a plurality of heating components 13. Specifically, the plurality of heating components 13 are arranged along the longitudinal direction of the vehicle body (eg Figure 2 The upper and lower directions as shown in the figure are arranged at intervals to radiate heat to the interior space of the vehicle body (such as the passenger compartment and the driver's compartment).

[0062] In an illustrative embodiment, Figure 2 As shown, multiple heating components 13 can share a base plate 12 ( Figure 2 ), that is, a bottom plate 12 spans across Figure 2 The portion between the exhaust pipe 4 at the lower end and the distal end of the heating assembly 13 at the upper section is shown. Further, on one side (such as the passenger compartment and the driver's compartment) of each heating assembly 13 facing the interior space of the vehicle body (such as the passenger compartment and the driver's compartment), Figure 2The side facing the viewing angle shown in the figure) is provided with a cover plate 11 ( Figure 2 It should be understood that the embodiments of the present invention are not limited thereto.

[0063] For example, the plurality of heating components 13 may also be respectively arranged on different bottom plates 12 , that is, a plurality of bottom plates 12 are arranged at intervals, and a heating component 13 is arranged on each bottom plate 12 .

[0064] In an illustrative embodiment, Figure 2 As shown, the heating components 13 located on both sides of the air inlet end 41 of the exhaust pipe 4 are spaced from the air inlet end 41 of the exhaust pipe 4 to form an isolation distance. The isolation distances formed by the two heating components 13 and the air inlet end 41 of the exhaust pipe 4 can be configured to be the same or different, that is, Figure 2 The L1 shown can be configured to be equal to L2 or not equal to L2. The isolation distance should be set in response to the power of the heating component 13. For example, if the power of the heating component 13 is configured to be 1 kW, the corresponding isolation distance should be configured to be greater than or equal to 600 mm (ie, L1 and L2 ≥ 600 mm).

[0065] Figure 3 yes Figure 1 A perspective view of the bottom plate of the auxiliary heating device of the exhaust gas exhaust system shown in FIG. Figure 3 A shows the cover plate, Figure 3 B shows the baffle plate with the cover plate omitted.

[0066] According to the embodiments of the present utility model, Figure 3 As shown, a baffle 7 is provided on a portion of the bottom plate 12 between the air inlet end 41 of the exhaust pipe 4 and the heating assembly 13 .

[0067] In an illustrative embodiment, Figure 3 As shown, the bottom of the bottom plate 12 is provided with a slide groove (the baffle blocks the slide groove, which is not shown). Figure 3 The right end shown in the figure) is embedded in the slide groove and fixed by bolt connection to fix the first part (such as the right end) of the cover plate 11 where the intake end 41 of the exhaust pipe 4 is set Figure 3 The left side portion shown in FIG. 1 ) and the second portion where the heating assembly 13 is disposed (as shown in FIG. 1 ). Figure 3 The portion shown on the right) is isolated.

[0068] In such an embodiment, by displacing the heating component 13 with the air inlet end 41 of the exhaust pipe 4 and configuring a corresponding isolation distance in response to the power of the heating component 13, the heat loss of the heating component 13 when the exhaust pipe 4 discharges the exhaust gas can be more effectively controlled, so that the heating component 41 can maintain the heating requirements of the interior space of the vehicle body (such as the passenger compartment and the driver's compartment). Furthermore, the partition plate arranged on the bottom plate 12 can isolate the first part and the second part, thereby further preventing the air heated by the heating component 41 from being discharged from the exhaust pipe 4.

[0069] The rail vehicle provided by the utility model, which is not shown in the figure, includes a vehicle body provided with an exhaust gas exhaust system.

[0070] In an exemplary embodiment, the exhaust gas removal system is installed inside the vehicle body.

[0071] It should also be noted that the directional terms mentioned in the embodiments, such as "upper", "lower", "front", "back", "left", "right", etc., are only reference directions of the drawings and are not intended to limit the scope of protection of the present invention. Throughout the drawings, the same elements are represented by the same or similar reference numerals. Conventional structures or configurations will be omitted when they may cause confusion in the understanding of the present invention.

[0072] The embodiments of the present invention are described above. However, these embodiments are for illustrative purposes only and are not intended to limit the scope of the present invention. Although the embodiments are described above separately, this does not mean that the measures in the various embodiments cannot be used in combination to advantage. The scope of the present invention is defined by the attached claims and their equivalents. Without departing from the scope of the present invention, a person skilled in the art may make a variety of substitutions and modifications, which should all fall within the scope of the present invention.

Claims

1. An exhaust gas exhaust system suitable for being arranged on a body of a rail vehicle, characterized in that: include: Auxiliary heating equipment (1), the auxiliary heating equipment (1) comprising a cover plate (11), the cover plate (11) being arranged at the bottom of the side wall of the vehicle body and having a grid hole (111) communicating with the internal space of the vehicle body; as well as Waste disposal equipment, including: An exhaust pipe (4) is arranged inside the vehicle body and is connected to the grille hole (111) of the cover plate (11); as well as A negative pressure component is arranged in the exhaust pipe (4) and is configured to form a negative pressure inside the exhaust pipe (4) so ​​as to discharge the exhaust gas in the internal space of the vehicle body along the exhaust pipe (4).

2. The system according to claim 1, characterized in that The exhaust pipe (4) extends along the side wall of the vehicle body toward the vehicle interior floor (6), and the exhaust end of the exhaust pipe (4) is arranged below the vehicle interior floor (6).

3. The system according to claim 1, characterized in that The air inlet end (41) of the exhaust pipe (4) is provided with a filter assembly (2).

4. The system according to claim 1, characterized in that The exhaust pipe (4) is provided with a plurality of air inlet ends (41), and the air inlet ends (41) of the plurality of exhaust pipes (4) are arranged at intervals on the auxiliary heating device (1).

5. The system according to any one of claims 1 to 4, characterized in that: The auxiliary heating device (1) further comprises: A bottom plate (12), the bottom plate (12) having a receiving groove; and A heating component (13) is arranged in the containing tank; The cover plate (11) is arranged to cover the notch of the accommodating groove, and the air inlet end (41) of the exhaust pipe (4) is arranged on the bottom plate (12).

6. The system according to claim 5, characterized in that The air inlet end (41) of the exhaust pipe (4) is arranged at the bottom of a receiving groove formed by the bottom plate (12) so as to face the cover plate (11).

7. The system according to claim 6, characterized in that The air inlet end (41) of the exhaust pipe (4) is arranged in a staggered manner with respect to the heating component (13).

8. The system according to claim 7, characterized in that The auxiliary heating device (1) comprises a plurality of heating components (13), and the air inlet end (41) of the exhaust pipe (4) is arranged between two adjacent heating components (13).

9. The system according to claim 7, characterized in that A baffle (7) is provided at a portion of the bottom plate (12) located between the air inlet end (41) of the exhaust pipe (4) and the heating component (13).

10. A rail vehicle, characterized in that: The invention comprises a vehicle body provided with the exhaust gas exhaust system as claimed in any one of claims 1 to 9.

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