CN211605298U

CN211605298U - Fuel cell and engine with same

Info

Publication number: CN211605298U
Application number: CN201922290919.XU
Authority: CN
Inventors: 周成显
Original assignee: Weichai Power Co Ltd
Current assignee: Weichai Power Co Ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-09-29
Anticipated expiration: 2029-12-17

Abstract

The utility model belongs to the technical field of new forms of energy hydrogen fuel cell engine, concretely relates to fuel cell and have its engine. The utility model provides a fuel cell includes galvanic pile unit, air inlet unit, heat dissipation unit and advances the hydrogen unit, wherein, the galvanic pile unit includes galvanic pile and galvanic pile casing, galvanic pile casing cover is located the outside of galvanic pile, the air inlet unit the heat dissipation unit with advance the hydrogen unit and all be located on the galvanic pile casing. Through using the fuel cell among this technical scheme, will admit air the unit, the heat dissipation unit with advance the hydrogen unit equipartition and arrange in the pile casing on, make full use of the space for fuel cell overall structure is compacter, the optimization of the whole car of being convenient for arranges, will admit air the unit, the heat dissipation unit and advance the hydrogen unit simultaneously and carry out functional area global distribution, makes the pipeline move towards more rationally.

Description

Fuel cell and engine with same

Technical Field

The utility model belongs to the technical field of new forms of energy hydrogen fuel cell engine, concretely relates to fuel cell and have its engine.

Background

At present, almost all related accessories of a fuel cell engine are distributed, and related accessories such as a pile assembly, an air compressor, a humidifier and the like are distributed. The related accessories of the fuel cell system comprise an air compressor, a humidifier and the like which are arranged on the periphery of the electric pile shell, the pipeline is long, the integration level is low, the pipeline is long, an empty path inlet enters the electric pile from the air compressor through the silencer, the intercooler, the humidifier and a bypass of the air compressor, the pipeline is long, the pipeline resistance is too large, and the pipeline air inlet efficiency is influenced. In addition, the integration level of the existing fuel cell is low, and related auxiliary parts are distributed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the existing fuel cell occupies a large space at least. The purpose is realized by the following technical scheme:

the utility model discloses a first aspect provides a fuel cell, including electric pile unit, air inlet unit, heat dissipation unit and hydrogen inlet unit, wherein, the electric pile unit includes electric pile and electric pile casing, the electric pile casing cover is located the outside of electric pile, the air inlet unit the heat dissipation unit with hydrogen inlet unit all is located on the electric pile casing.

Through using the fuel cell among this technical scheme, will admit air the unit, the heat dissipation unit with advance the hydrogen unit equipartition and arrange in the pile casing on, make full use of the space for fuel cell overall structure is compacter, the optimization of the whole car of being convenient for arranges, will admit air the unit, the heat dissipation unit and advance the hydrogen unit simultaneously and carry out functional area global distribution, makes the pipeline move towards more rationally.

In addition, according to the fuel cell of the present invention, the following additional technical features may be provided:

the utility model discloses an in some embodiments, the unit of admitting air is including the air compressor machine, silencer, air compressor machine controller and the intercooler that connect gradually, the air compressor machine the silencer the air compressor machine controller with the intercooler all is located the top of pile casing.

In some embodiments of the present invention, the air intake unit further comprises a humidifier located at the bottom of the stack case, the humidifier being connected to the intercooler.

In some embodiments of the present invention, the heat dissipation unit includes a water pump and a heater connected in sequence, and the water pump and the heater are both located at the bottom of the stack case.

The utility model discloses an in some embodiments, the heat dissipation unit still includes a plurality of heat dissipation rubber tubes, a plurality of heat dissipation rubber tubes are located the top of pile casing.

In some embodiments of the present invention, the hydrogen inlet unit includes a hydrogen valve and a hydrogen circulation pump which are connected in sequence, and the hydrogen valve and the hydrogen circulation pump are located at the top of the cell stack casing.

In some embodiments of the present invention, the stack case is made of aluminum alloy.

The present invention also provides an engine including the fuel cell according to the above embodiment.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like parts are designated by like reference numerals throughout the drawings. In the drawings:

fig. 1 schematically shows a schematic top view of a fuel cell according to an embodiment of the present invention;

fig. 2 schematically shows a schematic bottom view of a fuel cell according to an embodiment of the present invention.

11: a stack case;

21: air compressor, 22: muffler, 23: air compressor controller, 24: intercooler, 25: a humidifier;

31: water pump, 32: heater, 33: a heat dissipation rubber tube;

41: hydrogen valve, 42: and a hydrogen circulating pump.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be 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 scope of the disclosure to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Fig. 1 schematically shows a schematic top view of a fuel cell according to an embodiment of the present invention. Fig. 2 schematically shows a schematic bottom view of a fuel cell according to an embodiment of the present invention. As shown in fig. 1 and 2, the present invention provides a fuel cell and an engine having the same. The utility model provides a fuel cell includes galvanic pile unit, air inlet unit, heat dissipation unit and advances the hydrogen unit, and wherein, the galvanic pile unit includes galvanic pile and galvanic pile casing 11, and the outside of galvanic pile is located to galvanic pile casing 11 covers, and air inlet unit, heat dissipation unit and advance the hydrogen unit and all be located galvanic pile casing 11.

Through using the fuel cell among this technical scheme, will admit air the unit, the heat dissipation unit with advance the hydrogen unit equipartition and arrange in pile casing 11, make full use of the space for fuel cell overall structure is compacter, the optimization of the whole car of being convenient for arranges, will admit air the unit, the heat dissipation unit and advance the hydrogen unit simultaneously and carry out functional area global distribution, makes the pipeline move towards more rationally.

Further, in this embodiment, the air inlet unit includes air compressor 21, silencer 22, air compressor controller 23 and intercooler 24 that connect gradually, and air compressor 21, silencer 22, air compressor controller 23 and intercooler 24 all are located the top of galvanic pile casing 11, make things convenient for arranging of pipeline like this, make things convenient for the maintenance of spare part simultaneously.

Specifically, in the present embodiment, the air compressor 21, the muffler 22, the air compressor controller 23, and the intercooler 24 are disposed on the upper portion of the fuel cell body, and the cab hood and the front axle can protect the hydrogen fuel cell engine intake system below the cab hood and above the steering shaft, and facilitate maintenance of the relevant parts.

Specifically, in the present embodiment, the air intake unit further includes a humidifier 25, and the humidifier 25 is located at the bottom of the stack case 11. The humidifier 25 in this embodiment is connected to the intercooler 24 to form an air intake unit, which constitutes an air intake system, thereby ensuring normal air supply of the fuel cell. Under the condition that the overall dimension of the electric pile shell 11 is not increased, the air compressor 21, the silencer 22, the air compressor 21 controller, the intercooler 24 and the humidifier 25 are arranged at the upper part and the lower part of the electric pile shell 11, the longitudinal space of a cabin of a cab of the logistics vehicle is fully utilized, and the arrangement of the whole vehicle is optimized.

Further, in the present embodiment, the heat dissipation unit includes a water pump 31 and a heater 32 connected in sequence, and both the water pump 31 and the heater 32 are located at the bottom of the stack case 11, which facilitates the arrangement and arrangement of heat dissipation management. The water pump 31 in this embodiment is a high-performance water pump 31, which provides cooling liquid required for heat dissipation for the stack, and simultaneously needs to overcome the resistance of the pipeline, so as to meet the requirement that the temperature of the stack is 65-70 ℃, and the fuel cell stack is operated in the optimal temperature range. The heater 32 in this embodiment is a PTC heater 32, which is mainly used for heating the fuel cell stack to ensure that the fuel cell system can operate at-20 ℃ when started at low temperature.

Specifically, in the present embodiment, the heat dissipation unit further includes a plurality of heat dissipation rubber pipes 33, and the plurality of heat dissipation rubber pipes 33 are located at the top of the stack casing 11. The heat dissipation units are distributed at the upper part and the lower part of the electric pile shell 11, so that the longitudinal space of a cabin of a cab of the logistics vehicle is fully utilized, and the arrangement of the whole vehicle is optimized.

Further, in the present embodiment, the hydrogen intake unit includes a hydrogen valve 41 and a hydrogen circulation pump 42 connected in sequence, and both the hydrogen valve 41 and the hydrogen circulation pump 42 are located at the top of the stack case 11. The hydrogen inlet unit in this embodiment further includes a hydrogen pipeline, and the hydrogen valve 41 and the hydrogen circulation pump 42 are connected by the hydrogen pipeline. The hydrogen inlet units are distributed at the upper part of the electric pile shell 11, the longitudinal space of the fuel cell is utilized, and the arrangement of the whole vehicle is optimized.

Specifically, in the present embodiment, in order to prevent the hydrogen gas chemically reacted with the oxygen gas from being discharged, so as to ensure the service life of the hydrogen fuel cell, after the oxygen gas and the hydrogen gas inside the hydrogen fuel cell chemically react, the excess hydrogen gas needs to be recycled by the hydrogen circulation pump 42, so as to improve the utilization rate of the hydrogen gas. Meanwhile, the hydrogen valve 41 controls the pressure of the hydrogen inlet to be 0.9Mpa, and simultaneously cuts off the supply of hydrogen in time when alarming, thereby ensuring that the fuel cell works in a safe interval.

Specifically, in this embodiment, the galvanic pile shell 11 is an aluminum alloy material, and the strength of the aluminum alloy material is high, is favorable to protecting the galvanic pile and prevents colliding with.

The utility model also provides an engine, including above fuel cell.

Through using the engine among this technical scheme, fuel cell will admit air the unit, the heat dissipation unit and advance the hydrogen unit equipartition and arrange in the pile casing on the engine, make full use of the space for fuel cell overall structure is compacter, and the optimization of the whole car of being convenient for arranges, and the unit that will admit air simultaneously, the heat dissipation unit and advance the hydrogen unit and carry out functional area overall distribution, makes the pipeline move towards more rationally.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The fuel cell is characterized by comprising a stack unit, an air inlet unit, a heat dissipation unit and a hydrogen inlet unit, wherein the stack unit comprises a stack and a stack shell, the stack shell is sleeved outside the stack, and the air inlet unit, the heat dissipation unit and the hydrogen inlet unit are all positioned on the stack shell.

2. The fuel cell of claim 1, wherein the air intake unit comprises an air compressor, a muffler, an air compressor controller and an intercooler connected in sequence, and the air compressor, the muffler, the air compressor controller and the intercooler are all located at the top of the stack casing.

3. The fuel cell according to claim 2, wherein the air intake unit further includes a humidifier located at a bottom of the stack case, the humidifier being connected to the intercooler.

4. The fuel cell according to claim 1, wherein the heat dissipation unit includes a water pump and a heater connected in series, and both the water pump and the heater are located at the bottom of the stack case.

5. The fuel cell of claim 4, wherein the heat dissipating unit further comprises a plurality of heat dissipating hoses positioned at a top of the stack housing.

6. The fuel cell according to claim 1, wherein the hydrogen inlet unit comprises a hydrogen valve and a hydrogen circulating pump which are connected in sequence, and the hydrogen valve and the hydrogen circulating pump are both positioned at the top of the stack shell.

7. The fuel cell of claim 1, wherein the stack housing is an aluminum alloy.

8. An engine characterized by having a fuel cell according to any one of claims 1-7.