CN220842509U - Tail gas emission assembly and locomotive - Google Patents

Abstract

The utility model relates to the technical field of locomotives, in particular to an exhaust emission assembly and a locomotive. An exhaust gas discharge assembly for placement in an enclosed space between an equipment cover and a vehicle body top cover of a fuel cell, comprising: the device comprises a first pipeline, a second pipeline and a third pipeline, wherein one end of the first pipeline is used for being connected with a tail exhaust port of a fuel cell, the other end of the first pipeline is respectively communicated with one end of the second pipeline and one end of the third pipeline, and the other end of the second pipeline is used for being connected with a device cover of the fuel cell so as to lead out gas in the tail gas transmitted in the first pipeline from the device cover of the fuel cell to the outer side of a closed space; the other end of the third pipeline is used for being connected with a vehicle body top cover so as to lead out water vapor in the tail gas transmitted in the first pipeline from the vehicle body top cover to the outer side of the closed space. The tail gas emission component can effectively exhaust gas and water vapor in tail gas to the outside of the vehicle so as to improve safety performance.

Description

Tail gas emission assembly and locomotive

Technical Field

The utility model relates to the technical field of locomotives, in particular to an exhaust emission assembly and a locomotive.

Background

Hydrogen fuel cells have been widely used in recent years as an environmentally friendly and efficient energy conversion technology. The most widely used proton exchange membrane fuel cell uses hydrogen as fuel, and water vapor generated in the reaction process and hydrogen which is not completely reacted are discharged through a fuel cell tail gas discharge port. In general, the fuel cell system is installed in a closed space of a locomotive, so that a proper tail gas emission structure is required to be additionally installed according to the installation position and the closed space of the fuel cell, and gas and water generated by the fuel cell are guided to be timely discharged out of the locomotive, so that safety accidents are avoided.

Accordingly, there is a need to provide an exhaust emission assembly that can effectively exhaust gases and vapors from exhaust gases to the outside of a vehicle.

Disclosure of utility model

The embodiment of the utility model provides an exhaust emission assembly and a locomotive, wherein the exhaust emission assembly can effectively exhaust gas and water vapor in exhaust to the outside of the locomotive so as to improve the safety performance.

In a first aspect, an exhaust emission assembly provided in an embodiment of the present utility model is configured to be disposed in an enclosed space between an equipment cover and a vehicle body top cover of a fuel cell, and includes: one end of the first pipeline is used for connecting a tail exhaust port of the fuel cell, the other end of the first pipeline is respectively communicated with one end of the second pipeline and one end of the third pipeline, and the other end of the second pipeline is used for connecting an equipment cover of the fuel cell so as to lead out the gas in the tail gas transmitted in the first pipeline from the equipment cover of the fuel cell to the outside of the closed space; the other end of the third pipeline is used for being connected with the vehicle body top cover so as to lead out water vapor in the tail gas transmitted in the first pipeline from the vehicle body top cover to the outer side of the closed space.

According to some embodiments of the utility model, at least one of the first, second and third lines is a hose.

According to some embodiments of the utility model, the first, second and third pipes are of unitary construction.

According to some embodiments of the utility model, the junction of the second conduit with the first conduit is located between an end of the first conduit for connecting a tail gate and the junction of the third conduit with the first conduit.

In a second aspect, the present utility model further provides a locomotive, including a device cover of a fuel cell and a vehicle body top cover, where a closed space is provided between the device cover of the fuel cell and the vehicle body top cover, and the exhaust emission assembly provided in any of the above first aspects is disposed in the closed space, where one end of a first pipeline in the exhaust emission assembly is used to connect a tail exhaust port of the fuel cell, the other end of the second pipeline is connected to the device cover of the fuel cell, and the other end of the third pipeline is connected to the vehicle body top cover.

According to some embodiments of the utility model, the first pipeline and the vehicle body top cover form an included angle, the included angle is larger than 0 degree, and one end of the first pipeline connected with the tail discharge port of the fuel cell is located at one side of the other end of the first pipeline away from the vehicle body top cover.

According to some embodiments of the utility model, the locomotive further comprises an underframe and a draft tube, the underframe being located on a side of the body cover facing away from the equipment cover of the fuel cell; the honeycomb duct is arranged between the car body top cover and the chassis, and the honeycomb duct is connected with the other end of the third pipeline so as to guide water vapor to the chassis for discharging.

According to some embodiments of the utility model, the fuel cell further comprises a metal clamping band, and the first pipeline and the tail discharge port of the fuel cell are fixedly connected through the metal clamping band.

According to some embodiments of the utility model, the device cover of the fuel cell is provided with a flange structure, and the second pipeline is connected with the device cover of the fuel cell through the flange structure.

According to some embodiments of the utility model, at least one of the first, second and third lines is secured within the enclosed space by a securing bracket.

One embodiment of the above utility model has at least the following advantages or benefits:

The tail gas emission component provided by the application can effectively guide out the tail gas in the tail gas exhaust port of the fuel cell to the outside of the vehicle body, so that the safety performance of the vehicle body is improved, and safety accidents are avoided. Meanwhile, the tail gas emission component mainly comprises a first pipeline, a second pipeline and a third pipeline, so that the tail gas emission component is simple in structure, convenient to manufacture and install and capable of reducing preparation cost. When the tail gas emission component provided by the application is applied, the angles of three pipelines in the tail gas emission component can be adjusted according to the tail gas discharge port of the fuel cell and the position of the gas discharge port on the equipment cover, so that the practicability of the tail gas emission component is improved, the tail gas emission component is suitable for the tail gas emission requirements of fuel cell systems under different equipment arrangement schemes of locomotives, and gas-water separation is realized.

In addition, the mechanical strength of the tail gas emission component is high, and the structural stability of an operation pipeline of a locomotive under different working conditions can be met.

Drawings

Fig. 1 is a schematic structural diagram of an exhaust emission assembly according to an embodiment of the present utility model;

Fig. 2 is a schematic perspective view of an exhaust emission assembly according to an embodiment of the present utility model.

The reference numerals are explained as follows:

100. An exhaust emission assembly; 110. a first pipeline; 120. a second pipeline; 130. a third pipeline; 200. a device cover; 300. a body roof; 400. a flow guiding pipe; 500. a metal clamping band; 600. a flange structure; 700. and (5) fixing the bracket.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments can be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus detailed descriptions thereof will be omitted.

In a first aspect, an embodiment of the present utility model provides an exhaust emission assembly. Fig. 1 is a schematic structural diagram of an exhaust emission assembly according to an embodiment of the present utility model; fig. 2 is a schematic perspective view of an exhaust emission assembly according to an embodiment of the present utility model. Referring to the structure shown in fig. 1 and 2, an exhaust gas emission assembly 100 according to an embodiment of the present utility model is provided for being disposed in an enclosed space between an equipment cover 200 and a vehicle body top cover 300 of a fuel cell, the exhaust gas emission assembly 100 including: the fuel cell device comprises a first pipeline 110, a second pipeline 120 and a third pipeline 130, wherein one end of the first pipeline 110 is used for connecting a tail discharge port of a fuel cell, the other end of the first pipeline 110 is respectively communicated with one end of the second pipeline 120 and one end of the third pipeline 130, and the other end of the second pipeline 120 is used for connecting a device cover 200 of the fuel cell so as to lead out gas in the tail gas transmitted in the first pipeline 110 from the device cover 200 of the fuel cell to the outside of a closed space; the other end of the third pipe 130 is connected to the body top 300 to guide the water vapor in the exhaust gas transmitted in the first pipe 110 from the body top 300 to the outside of the enclosed space.

Specifically, as shown in fig. 1 and 2, the first pipeline 110, the second pipeline 120 and the third pipeline 130 form a three-way structure, wherein the first pipeline 110 is connected with the second pipeline 120 and the third pipeline 130 respectively, and the first pipeline 110 is used as an input end to be connected with a tail outlet of the fuel cell and guide tail gas into the three-way structure; the second pipe 120 and the third pipe 130 are both output ends at one end not connected to the first pipe 110, wherein the second pipe 120 is connected to the device cover 200 of the fuel cell (for example, may be connected to an exhaust port of the device cover 200) so as to guide the gas in the exhaust gas transmitted in the first pipe 110 from the device cover 200 of the fuel cell to the outside of the enclosed space, and the third pipe 130 is connected to the vehicle body top cover 300 so as to guide the water vapor in the exhaust gas transmitted in the first pipe 110 from the vehicle body top cover 300 to the outside of the enclosed space.

It should be understood that a fuel cell system including a fuel cell having a tail gas discharge port to discharge tail gas is installed in the closed space between the vehicle body roof 300 and the device cover 200 of the fuel cell. The fuel cell may be a hydrogen fuel cell, and uses hydrogen as fuel, and water vapor generated in the reaction process and hydrogen which is not completely reacted are discharged through a fuel cell exhaust gas discharge port, wherein the exhaust gas contains gas and exhaust gas. The fuel cell device cover 200 is located at the top of the vehicle body top cover 300, and the connection position between the second pipeline 120 and the fuel cell device cover 200 is higher than the connection position between the third pipeline 130 and the vehicle body top cover 300, so as to ensure that the gas with lighter density can be transferred upwards and discharged from the second pipeline 120, and the water vapor with higher density can flow downwards and be discharged from the third pipeline 130 under the influence of gravity.

It should be noted that, the exhaust emission assembly 100 provided in the embodiment of the present application can effectively guide out the exhaust in the tail gas exhaust port of the fuel cell to the outside of the vehicle body, so as to improve the safety performance of the vehicle body and avoid occurrence of safety accidents. Meanwhile, since the exhaust emission assembly 100 mainly includes the first pipeline 110, the second pipeline 120 and the third pipeline 130, the structure is simple, the manufacturing and the installation are convenient, and the manufacturing cost can be reduced.

When the tail gas emission assembly 100 provided by the embodiment of the application is applied, the angles of three pipelines in the tail gas emission assembly 100 can be adjusted according to the tail gas discharge port of the fuel cell and the position of the gas discharge port on the equipment cover 200, so that the practicability of the tail gas emission assembly 100 is improved, the tail gas emission assembly is suitable for the tail gas emission requirements of fuel cell systems under different equipment arrangement schemes of locomotives, and gas-water separation is realized.

In addition, the exhaust emission assembly 100 has high mechanical strength, and can meet the structural stability of the running pipeline of the locomotive under different working conditions.

In one embodiment, as shown in fig. 1 and 2, at least one of the first, second, and third conduits 110, 120, and 130 is a hose.

Specifically, one of the first, second, or third pipelines 110, 120, or 130 may be provided as a hose, or a plurality of pipelines may be provided as hoses, as needed.

It should be noted that, the flexibility of the "hose" is better, and the "hose" may be deformed according to the installation requirement, so that the exhaust emission assembly 100 is adapted to different installation environments. In other words, the structure of the embodiment can improve the practicability of the exhaust emission component 100, so that the exhaust emission component is suitable for the exhaust emission requirements of the fuel cell system under different equipment arrangement schemes of the locomotive, and gas-water separation is realized.

Preferably, the first pipeline 110, the second pipeline 120 and the third pipeline 130 may be all hoses, so as to further improve the suitability of the whole exhaust emission assembly 100 for the installation environment.

In one embodiment, as shown in fig. 1 and 2, the first pipe 110, the second pipe 120, and the third pipe 130 are in a unitary structure.

It should be noted that, the structure in this embodiment makes the pipelines in the whole exhaust emission assembly 100 form a whole, so that the possibility of connection failure of different pipelines at the connection position is reduced, and the safety performance of the whole pipeline can be improved and the service life can be prolonged.

Of course, it is also possible to provide: any two pipelines of the first pipeline 110, the second pipeline 120 or the third pipeline 130 form an integrated structure, and detailed description thereof is omitted.

In addition, when the first pipe 110, the second pipe 120 or the third pipe 130 may be connected using a connector. At this time, the sealing performance of the connection member needs to be ensured to prevent leakage.

In one embodiment, as shown in fig. 1 and 2, the junction of the second conduit 120 and the first conduit 110 is located between the end of the first conduit 110 for connecting the tail boom and the junction of the third conduit 130 and the first conduit 110.

Specifically, as shown in fig. 1, one end of the first pipeline 110 is connected to the tail discharge port, and the first pipeline 110 is connected to the second pipeline 120 first and then to the third pipeline 130 along a direction away from the tail discharge port.

It should be noted that, the structure in this embodiment can ensure that the gas can be separated out of the tail gas first, weaken the possibility of carrying the gas in the water vapor, and improve the emission effect of the tail gas emission component 100, thereby improving the safety performance.

In a second aspect, the present utility model further provides a locomotive, including a device cover 200 and a vehicle body top cover 300 of a fuel cell, where a closed space is provided between the device cover 200 and the vehicle body top cover 300 of the fuel cell, and the exhaust emission assembly 100 provided in any of the above first aspect is disposed in the closed space, where one end of a first pipeline 110 in the exhaust emission assembly 100 is used for connecting to a tail outlet of the fuel cell, the other end of the second pipeline 120 is connected to the device cover 200 of the fuel cell, and the other end of the third pipeline 130 is connected to the vehicle body top cover 300.

It should be noted that, when the locomotive is provided in the embodiment of the present application, the tail gas emission component 100 may effectively guide out the tail gas in the tail gas outlet of the fuel cell to the outside of the locomotive body, so as to improve the safety performance of the locomotive body and avoid occurrence of safety accidents. Meanwhile, since the exhaust emission assembly 100 mainly includes the first pipeline 110, the second pipeline 120 and the third pipeline 130, the structure is simple, the manufacturing and the installation are convenient, and the manufacturing cost can be reduced.

When the exhaust emission assembly 100 in the first aspect is applied, the angles of three pipelines in the exhaust emission assembly 100 can be adjusted according to the positions of the tail gas outlet of the fuel cell and the gas outlet on the equipment cover 200, so that the practicability of the exhaust emission assembly 100 is improved, the exhaust emission assembly is suitable for the exhaust emission requirements of the fuel cell system under different equipment arrangement schemes of a locomotive, and gas-water separation is realized.

In addition, the exhaust emission assembly 100 has high mechanical strength, and can meet the structural stability of the running pipeline of the locomotive under different working conditions.

In one embodiment, as shown in fig. 1 and 2, the first pipe 110 has an included angle with the vehicle body top cover 300, and the included angle is greater than 0; one end of the first pipe 110, which is connected to the tail discharge port of the fuel cell, is located on the side of the other end of the first pipe 110 facing away from the body roof 300.

It should be noted that, the first pipe 110 extends from the connection position with the tail gas outlet of the fuel cell toward the direction close to the vehicle body top cover 300, so as to form a substantially downward flow channel in the first pipe 110, so that the water vapor in the tail gas can be discharged from the vehicle body top cover 300 to the outside of the vehicle at a certain angle in the pipe, and further the safety performance is improved.

It should be noted that, with continued reference to the structure shown in fig. 1, the third pipe 130 may be substantially vertically distributed, i.e. the extending direction of the third pipe 130 may be perpendicular to the vehicle body top cover 300, so as to increase the guiding speed of the water vapor in the third pipe 130.

In one embodiment, referring to the structure shown in fig. 1, the locomotive further includes a underframe and a flow guide pipe 400, where the underframe is located on a side of the vehicle body top cover 300 facing away from the equipment cover 200 of the fuel cell; the flow guide pipe 400 is disposed between the body top cover 300 and the chassis, and the flow guide pipe 400 is connected to the other end of the third pipeline 130 to guide the water vapor to the chassis for discharge.

Specifically, after the third pipeline 130 passes through the vehicle body top cover 300, it may be connected to the flow guiding pipe 400, and the water vapor is guided out to the outer side of the chassis through the flow guiding pipe 400.

It should be noted that, the material of the flow guiding tube 400 may be a metal tube, so as to ensure structural strength and improve flow guiding effect.

In one embodiment, the draft tube 400 is welded to the chassis to improve stability.

In one embodiment, as shown in FIG. 2, the locomotive provided by the embodiment of the present application further comprises a metal clip 500, and the first pipe 110 is fixedly connected to the tail discharge port of the fuel cell through the metal clip 500. The metal clip 500 is convenient to operate, can improve assembly efficiency, and can improve structural stability of the connection of the first pipeline 110 and the tail discharge port, thereby improving safety performance.

Of course, the first pipeline 110 and the tail outlet of the fuel cell may be connected by other structures, which will not be described in detail.

In one embodiment, the device cover 200 of the fuel cell is provided with a flange structure 600, and the second pipe 120 is connected to the device cover 200 of the fuel cell through the flange structure 600. It should be appreciated that the flange structure 600 forms an exhaust port on the device cover 200.

It should be noted that, the flange structure 600 is simple and easy to assemble, and the stability of the flange structure 600 is better, so that the gas in the second pipeline 120 can be continuously and effectively discharged, and the overall safety performance is further improved.

In one embodiment, the other end of the second pipe 120 is connected to the flange structure 600 through a metal clip 500 to ensure air tightness and stability of the pipe.

In one embodiment, as shown in FIG. 2, the locomotive provided by the embodiment of the present application further comprises a fixed bracket 700, and at least one of the first pipe 110, the second pipe 120 and the third pipe 130 is fixed in the enclosed space by the fixed bracket 700. The fixing bracket 700 is used for fixing the pipeline so as to prevent the vibration of the pipeline from affecting the air tightness of the pipeline during the running process of the locomotive.

As shown in fig. 2, a fixing bracket 700 is disposed at the first pipeline 110 to improve the stability of the exhaust emission structure during assembly and use, thereby improving the safety performance.

In addition, the guide pipe 400 can be fixed on the side wall of the vehicle body through the fixing bracket 700, so that the stability of the whole pipeline can be ensured.

Or the vehicle body top cover 300, the side walls, the underframe and the equipment cover 200 of the fuel cell are welded with the fixing bracket 700 for fixing the pipeline, so that the stable reliability and the air tightness of the pipeline structure are ensured.

Finally, it should be noted that: it will be appreciated that the various embodiments/implementations provided by the utility model may be combined with one another without conflict and are not illustrated here.

In the inventive embodiments, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more, unless expressly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the embodiments of the utility model will be understood by those skilled in the art according to the specific circumstances.

In the description of the embodiments of the utility model, it should be understood that the terms "upper," "lower," "left," "right," "front," "rear," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience in describing the embodiments of the utility model and to simplify the description, rather than to indicate or imply that the devices or units referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the utility model.

In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a preferred embodiment of the utility model and is not intended to limit the embodiment of the utility model, and various modifications and variations can be made to the embodiment of the utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the embodiments of the present utility model should be included in the protection scope of the embodiments of the present utility model.

Claims (10)

1. An exhaust gas discharge assembly for placement in an enclosed space between a device cover and a body top cover of a fuel cell, comprising: one end of the first pipeline is used for connecting a tail exhaust port of the fuel cell, the other end of the first pipeline is respectively communicated with one end of the second pipeline and one end of the third pipeline, and the other end of the second pipeline is used for connecting an equipment cover of the fuel cell so as to lead out the gas in the tail gas transmitted in the first pipeline from the equipment cover of the fuel cell to the outside of the closed space; the other end of the third pipeline is used for being connected with the vehicle body top cover so as to lead out water vapor in the tail gas transmitted in the first pipeline from the vehicle body top cover to the outer side of the closed space.

2. The exhaust gas emission assembly of claim 1, wherein at least one of the first conduit, the second conduit, and the third conduit is a hose.

3. The exhaust gas emission assembly of claim 2, wherein the first conduit, the second conduit, and the third conduit are of unitary construction.

4. The exhaust gas emission assembly of any one of claims 1-3, wherein a junction of said second conduit and said first conduit is located between an end of said first conduit for connecting a tail port and a junction of said third conduit and said first conduit.

5. A locomotive, comprising a device cover and a body top cover of a fuel cell, wherein a closed space is arranged between the device cover and the body top cover of the fuel cell, the exhaust emission assembly of any one of claims 1-4 is arranged in the closed space, one end of a first pipeline in the exhaust emission assembly is used for being connected with a tail exhaust outlet of the fuel cell, the other end of a second pipeline is connected with the device cover of the fuel cell, and the other end of a third pipeline is connected with the body top cover.

6. The locomotive of claim 5 wherein an included angle is formed between the first conduit and the body top cover, the included angle being greater than 0 degrees, and wherein one end of the first conduit that connects the tail port of the fuel cell is located on a side of the other end of the first conduit that faces away from the body top cover.

7. The locomotive of claim 5 further comprising a underframe and a draft tube, the underframe being located on a side of the body cover facing away from the equipment cover of the fuel cell; the honeycomb duct is arranged between the car body top cover and the chassis, and the honeycomb duct is connected with the other end of the third pipeline so as to guide water vapor to the chassis for discharging.

8. The locomotive of any one of claims 5-7, further comprising a metal clamp, wherein the first conduit is fixedly coupled to the tail drain of the fuel cell via the metal clamp.

9. The locomotive of any one of claims 5-7 wherein a flange structure is provided on the fuel cell equipment cover and the second conduit is connected to the fuel cell equipment cover by the flange structure.

10. The locomotive of any one of claims 5-7, further comprising a securing bracket by which at least one of the first, second, and third pipelines is secured within the enclosed space.