CN219226332U - Fuel cell tail row device and fuel cell system - Google Patents

Abstract

The present utility model relates to the field of fuel cell systems, and in particular, to a fuel cell tail row device and a fuel cell system. The tail row device of the fuel cell mainly comprises a tail row main pipeline and a tail row auxiliary pipeline. The tail-row auxiliary pipeline is communicated with the tail-row main pipeline, one end of the tail-row main pipeline is provided with a tail-row interface, and the other end of the tail-row main pipeline is provided with a humidifier outlet interface; and one end of the tail row auxiliary pipeline, which is far away from the tail row main pipeline, is provided with an intercooler split-flow interface. The tail row device of the fuel cell has the advantages of simple structure, high integration level and low cost, and can reduce the risk of leakage of the fuel cell system and improve the safety performance of the fuel cell system.

Description

Fuel cell tail row device and fuel cell system

Technical Field

The present utility model relates to the field of fuel cell systems, and in particular, to a fuel cell tail row device and a fuel cell system.

Background

With the development of economy and the progress of science and technology, fuel cells are increasingly popular because of their advantages of cleanliness, high efficiency, rapid response, etc. A fuel cell is an energy cell that directly converts chemical energy in a reactant into electrical energy, and generally consists of a fuel cell stack module, an air module, a hydrogen module, a cooling module, an electrical module, and a tail row module.

In general, the fuel cell has more air module pipelines, and each pipeline on the air module is respectively communicated with the tail gas exhaust module so that the tail gas of the air module can be exhausted. The tail row device of the fuel cell in the prior art generally adopts a plurality of pipelines communicated with the air module through a tee joint structure, so that the tail row device of the fuel cell is complex in structure, low in integration level and huge in size, and the risk of leakage of a fuel cell system is increased.

Therefore, there is a need to design a fuel cell tail row device and a fuel cell system to solve the above technical problems.

Disclosure of Invention

The first object of the present utility model is to provide a tail row device for fuel cells, which has a simple structure and high integration, and reduces the risk of leakage of the fuel cell system.

To achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a fuel cell tail row device, comprising:

the tail-row main pipeline and the tail-row auxiliary pipeline are communicated with the tail-row main pipeline, one end of the tail-row main pipeline is provided with a tail-row interface, and the other end of the tail-row main pipeline is provided with a humidifier outlet interface; and one end of the tail row auxiliary pipeline, which is far away from the tail row main pipeline, is provided with an intercooler split-flow interface.

As an alternative technical scheme of the tail row device of the fuel cell, a pile purging interface and a pressure relief pipeline interface are arranged on the outer side wall of the main tail row pipeline.

As an alternative technical scheme of the tail-row device of the fuel cell, the pile purging interface and the pressure relief pipeline interface are both arranged on one side of the symmetry plane of the tail-row main pipeline, and the tail-row auxiliary pipeline is arranged on the other side of the symmetry plane of the tail-row main pipeline.

As an alternative technical scheme of the tail row device of the fuel cell, an air compressor purging interface is further arranged on the outer side wall of the main tail row pipeline.

As an alternative solution of the fuel cell tail-row device, the fuel cell tail-row device further includes a diverter valve, and the diverter valve is communicated with the tail-row auxiliary pipeline.

As an alternative technical scheme of the tail row device of the fuel cell, a first connecting part and a second connecting part are arranged on the auxiliary tail row pipeline, and part of the flow dividing valve is arranged between the first connecting part and the second connecting part.

As an alternative technical scheme of fuel cell tail row device, fuel cell tail row device still includes first mounting, first mounting hole has been seted up on the first connecting portion, the second mounting hole has been seted up on the second connecting portion, the third mounting hole has been seted up on the shunt valve, first mounting wears to establish first mounting hole the third mounting hole reaches between the second mounting hole.

As an alternative technical scheme of the fuel cell tail row device, the fuel cell tail row device further comprises a support and a second fixing piece, wherein the support is sleeved on the outer side wall of the tail row main pipeline, and the second fixing piece is arranged on the support in a penetrating mode and is connected with the whole automobile.

As an alternative technical scheme of the tail row device of the fuel cell, the tail row interface is a quick connector.

A second object of the present utility model is to provide a fuel cell system, which reduces the risk of leakage of the fuel cell system and improves the safety performance thereof.

To achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a fuel cell system comprising the fuel cell tail row device.

The beneficial effects of the utility model at least comprise:

the utility model provides a tail row device of a fuel cell, which mainly comprises a tail row main pipeline and a tail row auxiliary pipeline. The tail-row auxiliary pipeline is communicated with the tail-row main pipeline, one end of the tail-row main pipeline is provided with a tail-row interface, and the other end of the tail-row main pipeline is provided with a humidifier outlet interface; and one end of the tail row auxiliary pipeline, which is far away from the tail row main pipeline, is provided with an intercooler split-flow interface. Through arranging main pipeline and tail row accessory pipeline intercommunication, and set up tail row interface and humidifier export interface on the main pipeline of tail row, set up intercooler reposition of redundant personnel interface on the accessory pipeline of tail row, improve the integrated level of this fuel cell tail row device, reduce the quantity of each pipeline, simplify the structure of this fuel cell tail row device, practice thrift the cost, simultaneously, avoided because the pipeline is numerous in the conventional art, pipeline overall arrangement is complicated leads to the problem that fuel cell takes place to leak.

The utility model also provides a fuel cell system which has simple structure, high integration level and low cost, can reduce the risk of leakage of the fuel cell system and improve the safety performance of the fuel cell system.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings needed in the description of the embodiments of the present utility model, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the contents of the embodiments of the present utility model and these drawings without inventive effort for those skilled in the art.

Fig. 1 is a schematic structural diagram of a tail row device of a fuel cell according to an embodiment of the present utility model;

fig. 2 is an exploded view of a fuel cell tail row device according to an embodiment of the present utility model.

Reference numerals

100. A tail row main pipeline; 110. a tail row interface; 120. a humidifier outlet interface; 130. a galvanic pile purging interface; 140. a pressure relief pipeline interface; 150. an air compressor purging interface;

200. a tail row auxiliary pipeline; 210. an intercooler split interface; 220. a first connection portion; 2201. a first mounting hole; 230. a second connecting portion; 2301. a second mounting hole;

300. a diverter valve; 310. a third mounting hole;

400. a bracket; 410. and a second fixing member.

Detailed Description

In order to make the technical problems solved, the technical scheme adopted and the technical effects achieved by the utility model more clear, the technical scheme of the utility model is further described below by a specific embodiment in combination with the attached drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

As shown in fig. 1-2, the present embodiment provides a fuel cell tail assembly, which mainly includes a tail main pipe 100 and a tail sub pipe 200. Wherein, the tail-row auxiliary pipeline 200 is communicated with the tail-row main pipeline 100, one end of the tail-row main pipeline 100 is provided with a tail-row interface 110, and the other end is provided with a humidifier outlet interface 120; the end of the tail boom auxiliary line 200 remote from the tail boom main line 100 is provided with an intercooler split interface 210.

Based on the above design, the intercooler split port 210 in the present embodiment communicates with the intercooler so that the split air can flow into the tail stock main pipe 100 through the tail stock auxiliary pipe 200. The humidifier outlet interface 120 communicates with the humidifier and is primarily used to exhaust air after the fuel cell stack reaction. The air separated by the intercooler and the air after the reactor reaction can be converged and then discharged to the outside through the tail-exhaust interface 110 of the tail-exhaust main pipeline 100 or discharged to an exhaust gas treatment device in the whole automobile.

Compared with the prior art, in this embodiment, the tail-row main pipeline 100 and the tail-row auxiliary pipeline 200 are communicated, the tail-row interface 110 and the humidifier outlet interface 120 are arranged on the tail-row main pipeline 100, and the intercooler split-flow interface 210 is arranged on the tail-row auxiliary pipeline 200, so that the integration level of the tail-row device of the fuel cell is improved, the number of pipelines is reduced, the structure of the tail-row device of the fuel cell is simplified, the cost is saved, and meanwhile, the problem that the fuel cell leaks due to numerous pipelines and complicated pipeline layout in the prior art is avoided.

As shown in fig. 1-2, in some alternative embodiments, a stack purge port 130 and a pressure relief line port 140 are provided on the outer sidewall of the tail stock main line 100. The electric pile purging interface 130 is communicated with the electric pile purging device and is used for purging and taking away trace hydrogen leaked from the inside of the electric pile shell, so that the inside of the electric pile shell is kept in a proper working environment. The pressure release pipeline interface 140 is communicated with the pressure release device and is used for discharging high-pressure hydrogen in the fuel cell system, so that the pressure release of the fuel cell system is realized, and the service life is prolonged.

Further, the stack purge port 130 and the pressure relief pipeline port 140 are both disposed on one side of the symmetry plane of the tail main pipeline 100, and the tail auxiliary pipeline 200 is disposed on the other side of the symmetry plane of the tail main pipeline 100. Therefore, the pipeline layout of the tail row device of the fuel cell can be facilitated, and the interference phenomenon of the pipeline is avoided.

As shown in fig. 1-2, in some alternative embodiments, an air compressor purge interface 150 is also provided on the outer sidewall of the heel row main line 100. The air compressor purging interface 150 is communicated with the air compressor purging device and is used for purging the bearing of the two-stage supercharging air compressor, and then the purged gas is discharged into the tail-exhaust main pipeline 100 along the air compressor purging interface 150 and finally is discharged from the tail-exhaust interface 110.

As shown in fig. 1-2, in some alternative embodiments, the fuel cell tail assembly further includes a diverter valve 300, the diverter valve 300 being in communication with the tail stock secondary line 200. The diverter valve 300 is used to divert excess air within the fuel cell system into the tail boom sub-line 200.

Specifically, as shown in fig. 2, the tail secondary piping 200 is provided with a first connection portion 220 and a second connection portion 230, and a partial flow dividing valve 300 is provided between the first connection portion 220 and the second connection portion 230. The fuel cell tail row device further comprises a first fixing member (not shown in the figure), wherein the first connecting portion 220 is provided with a first mounting hole 2201, the second connecting portion 230 is provided with a second mounting hole 2301, the shunt valve 300 is provided with a third mounting hole 310, and the first fixing member is arranged among the first mounting hole 2201, the third mounting hole 310 and the second mounting hole 2301 in a penetrating manner. Illustratively, the first fixing member may be a bolt, a screw, or the like. Through the arrangement of the first fixing member, the first connecting portion 220 and the second connecting portion 230, the detachable connection of the splitter valve 300 and the tail row auxiliary pipeline 200 is realized, and the later maintenance and cleaning are facilitated.

Further, the first fixing members in the present embodiment may be provided in a plurality, for example, in 2, 3, 4, etc. numbers, so as to improve the reliability and stability of the connection of the splitter valve 300 with the tail boom auxiliary pipeline 200.

As shown in fig. 1-2, in some alternative embodiments, the fuel cell tail assembly further includes a bracket 400 and a second fixing member 410, wherein the bracket 400 is sleeved on the outer sidewall of the tail main pipeline 100, and the second fixing member 410 is penetratingly arranged on the bracket 400 and connected with the whole automobile (not shown in the drawings), so as to realize the detachable connection of the fuel cell tail assembly and the whole automobile, and improve the strength of the fuel cell tail assembly.

Alternatively, the second fixing member 410 may be selected from bolts, screws, or the like. Alternatively, the second fixing members 410 may be provided in a plurality, for example, in 2, 3, 4, etc. numbers, so as to improve the reliability and stability of the connection of the fuel cell tail row device to the whole automobile.

Optionally, the tail row interface 110 in this embodiment is a quick connector, which is further beneficial to improving the quick plug assembly of the fuel cell tail row device and the exhaust gas treatment device in the whole automobile, and improving the working efficiency.

Alternatively, the main tail pipe 100 and the sub tail pipe 200 in the present embodiment may be made of metal materials, such as aluminum alloy materials, stainless steel materials, and the like.

The present embodiment also provides a fuel cell system including the above fuel cell tail row device. The fuel cell system has the advantages of simple structure, high integration level and low cost, and can reduce the risk of leakage of the fuel cell system and improve the safety performance of the fuel cell system.

It is to be understood that the foregoing is only illustrative of the presently preferred embodiments of the utility model and the technical principles that have been developed. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.

Note that in the description of this specification, a description of reference to the terms "some embodiments," "other embodiments," and the like means 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 the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Claims (10)

1. A fuel cell tail row device, comprising:

the device comprises a tail row main pipeline (100) and a tail row auxiliary pipeline (200), wherein the tail row auxiliary pipeline (200) is communicated with the tail row main pipeline (100), one end of the tail row main pipeline (100) is provided with a tail row interface (110), and the other end of the tail row main pipeline is provided with a humidifier outlet interface (120); and one end of the tail row auxiliary pipeline (200) far away from the tail row main pipeline (100) is provided with an intercooler diversion interface (210).

2. The fuel cell tail stock device of claim 1, wherein a stack purge port (130) and a pressure relief line port (140) are provided on an outer sidewall of the tail stock main line (100).

3. The fuel cell tail stack device according to claim 2, wherein the stack purge port (130) and the pressure relief line port (140) are both disposed on one side of a symmetry plane of the tail stack main line (100), and the tail stack sub line (200) is disposed on the other side of the symmetry plane of the tail stack main line (100).

4. The tail row device of fuel cells of claim 2, wherein an air compressor purge interface (150) is further provided on an outer sidewall of the tail row main line (100).

5. The fuel cell tail assembly of claim 1, further comprising a diverter valve (300), the diverter valve (300) in communication with the tail sub-line (200).

6. The fuel cell tail stock device of claim 5, wherein the tail stock secondary line (200) is provided with a first connection portion (220) and a second connection portion (230), and a portion of the shunt valve (300) is disposed between the first connection portion (220) and the second connection portion (230).

7. The fuel cell tail row device according to claim 6, further comprising a first fixing member, wherein a first mounting hole (2201) is formed in the first connecting portion (220), a second mounting hole (2301) is formed in the second connecting portion (230), a third mounting hole (310) is formed in the shunt valve (300), and the first fixing member is disposed between the first mounting hole (2201), the third mounting hole (310) and the second mounting hole (2301) in a penetrating manner.

8. The tail row device of the fuel cell according to claim 1, further comprising a bracket (400) and a second fixing piece (410), wherein the bracket (400) is sleeved on the outer side wall of the tail row main pipeline (100), and the second fixing piece (410) is arranged on the bracket (400) in a penetrating way and is connected with the whole automobile.

9. The fuel cell tail row arrangement according to any of claims 1-8, wherein the tail row interface (110) is a quick connector.

10. A fuel cell system, characterized in that the fuel cell system comprises the fuel cell tail row device according to any one of claims 1 to 9.

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