CN211238402U

CN211238402U - Fuel cell stack structure based on modular design

Info

Publication number: CN211238402U
Application number: CN202020185340.7U
Authority: CN
Inventors: 陈起航; 黄雷; 王立明
Original assignee: Shanghai Hydrogen Information Technology Co Ltd
Current assignee: Shanghai Hydrogen Information Technology Co Ltd
Priority date: 2020-02-19
Filing date: 2020-02-19
Publication date: 2020-08-11
Anticipated expiration: 2030-02-19

Abstract

The utility model discloses a fuel cell stack structure based on modular design, including protective housing and the fuel cell package of setting in protective housing inside, the fuel cell package comprises a plurality of fuel cell groups, a plurality of fuel cell groups's the outside has all wrapped up the leak protection outsourcing, the leak protection outsourcing is by the bottom plate, the curb plate, cardboard and apron are constituteed, the curb plate branch is equipped with two sets ofly and sets up directly over the bottom plate perpendicularly, the bayonet socket has all been seted up at the both ends of curb plate, the cardboard divide into two sets ofly and is located between two sets of curb plates, cardboard outer end machine-shaping has the fixture block that the cooperation bayonet socket used, the surface of two sets of cardboards. The utility model discloses all install the leak protection outsourcing that the cooperation was used and can reach sealed leak protection purpose on the one hand on the fuel sub-cell of the inside constitution of fuel cell pile, on the other hand can improve fuel sub-cell's radiating effect, and the design has the rubber shock pad between a plurality of groups leak protection outsourcing in addition, can effectual improvement fuel cell pile's antidetonation effect.

Description

Fuel cell stack structure based on modular design

Technical Field

The utility model relates to a fuel cell technical field specifically is a fuel cell stack structure based on modular design.

Background

A fuel cell is a chemical device that directly converts chemical energy of fuel into electrical energy, and is also called an electrochemical generator. It is a fourth power generation technology following hydroelectric power generation, thermal power generation and atomic power generation. The fuel cell converts the Gibbs free energy in the chemical energy of the fuel into electric energy through electrochemical reaction, and is not limited by the Carnot cycle effect, so the efficiency is high; in addition, fuel cells use fuel and oxygen as raw materials; meanwhile, no mechanical transmission part is arranged, so that no noise pollution is caused, and the discharged harmful gas is less. Therefore, from the viewpoint of energy saving and ecological environment protection, fuel cells are the most promising power generation technology, and in order to achieve a better power supply effect, the fuel cells are usually combined into a fuel cell pack by a plurality of groups of fuel sub-cells, so as to achieve the purpose of sufficient power supply.

However, the conventional fuel cell stack has the following problems in use: (1) the internal structure of the fuel cell stack is unreasonable in design, and the poor sealing performance easily causes the leakage of the fuel cell when large vibration occurs; (2) the modular fuel cell stack is usually integrated with the pencil on the module, leaves the switching interface again, just can realize the data acquisition and the switching of module electricity core through the switching pencil, leads to the design complicacy and mounting means loaded down with trivial details. For this reason, a corresponding technical scheme needs to be designed to solve the existing technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fuel cell stack structure based on modular design has solved the problem that proposes in the background art, satisfies the in-service use demand.

In order to achieve the above object, the utility model provides a following technical scheme: a fuel cell stack structure based on modular design comprises a protective shell and a fuel cell package arranged in the protective shell, wherein the fuel cell package comprises a plurality of groups of fuel sub-cells, the outer sides of the fuel sub-cells are wrapped with leak-proof outer packages, the leak-proof outer packages comprise a bottom plate, side plates, clamping plates and a cover plate, the side plates are divided into two groups and are vertically arranged right above the bottom plate, two ends of each side plate are respectively provided with a bayonet, the clamping plates are divided into two groups and are positioned between the two groups of side plates, the outer ends of the clamping plates are processed and formed with clamping blocks matched with the bayonet, the surfaces of the two groups of clamping plates are respectively provided with a limiting nail, the cover plate is horizontally arranged at the tops of the clamping plates and the side plates, two ends of each cover plate are respectively provided with a through hole, the limiting nails are buckled in the through holes, the middle part of the, the electric connection port is provided with a collection wiring board horizontally, the outer end of the collection wiring board is evenly provided with four groups of supporting legs, the outer ends of the supporting legs are located on the protective shell, and the two sides of the electric connection port are provided with limiting buckles matched with the collection wiring board.

As an optimal implementation mode of the utility model, the lateral wall and the bottom of leak protection outsourcing all are provided with the EVA bubble cotton, a plurality of groups bleeder vent has evenly been seted up on the cotton surface of EVA bubble.

As an optimized embodiment of the utility model, be provided with the rubber shock pad between adjacent two sets of leak protection outsourcing, the rubber shock pad divide into a plurality of layers and is wavy texture structure.

As a preferred embodiment of the present invention, the limiting buckle is composed of an elastic plastic plate, a screw hole is provided at the outer end of the elastic plastic plate, a screw is vertically provided in the screw hole, and the end of the screw is fixed on the cover plate.

As a preferred embodiment of the utility model, the bottom of elastic plastic board is the slope form and is provided with the clamp plate, be connected with the spring between clamp plate and the elastic plastic board, the clamp plate contacts with gathering the winding displacement board.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. this scheme all installs the leak protection outsourcing that the cooperation was used on the fuel subcell of the inside constitution of fuel cell stack and can reach sealed leak protection purpose on the one hand, and on the other hand can improve fuel subcell's radiating effect, and the design has the rubber shock pad between a plurality of groups leak protection outsourcing in addition, can effectual improvement fuel cell stack's antidetonation effect.

2. Improve the mounting means of a plurality of groups fuel subcell and collection winding displacement board, can carry out quick fixed mounting through spacing buckle to the electric power output end of gathering winding displacement board and fuel subcell at the in-process of installation, conveniently install and split to better sealed effect has.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

FIG. 2 is a view of the structure of the anti-leakage outer bag of the present invention;

FIG. 3 is a diagram of the cover plate structure of the present invention;

FIG. 4 is a mounting structure diagram of the leakage-proof wrapping and collecting wire arranging plate of the present invention;

FIG. 5 is a structural diagram of the limit buckle of the present invention;

figure 6 is the utility model discloses a cotton structure chart of EVA bubble.

In the figure, 1-protective shell, 2-fuel cell package, 3-fuel sub-cell, 4-leakproof package, 5-bottom plate, 6-side plate, 7-clamping plate, 8-cover plate, 9-bayonet, 10-clamping block, 11-limit nail, 12-perforation, 13-electric connection port, 14-collection wiring board, 15-supporting leg, 16-limit buckle, 17-EVA foam, 18-air vent, 19-rubber shock pad, 20-elastic plastic plate, 21-screw, 22-pressing plate and 23-spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a fuel cell stack structure based on modular design comprises a protective shell 1 and a fuel cell package 2 arranged inside the protective shell 1, wherein the fuel cell package 2 is composed of a plurality of groups of fuel sub-cells 3, the outer sides of the plurality of groups of fuel sub-cells 3 are all wrapped with a leakage-proof outer package 4, the leakage-proof outer package 4 is composed of a bottom plate 5, side plates 6, clamping plates 7 and a cover plate 8, the side plates 6 are respectively provided with two groups and are vertically arranged right above the bottom plate 5, two ends of each side plate 6 are respectively provided with a bayonet 9, the clamping plates 9 are respectively divided into two groups and are positioned between the two groups of side plates 6, the outer ends of the clamping plates 7 are processed and formed with clamping blocks 10 matched with the bayonet 9, the surfaces of the two groups of clamping plates 7 are respectively provided with a limiting nail 11, the cover plate 8 is horizontally arranged at the tops of the clamping plates 7 and the side plates, the power output end of the fuel sub-battery 3 is located in the power connection port 13, the collection wiring board 14 is horizontally arranged on the plurality of combination power connection ports 13, four groups of supporting legs 15 are evenly arranged at the outer end of the collection wiring board 14, the outer ends of the four groups of supporting legs 15 are located on the protective shell 1, and limiting buckles 16 matched with the collection wiring board 14 to be used are arranged on two sides of the power connection port 13.

Further improved, as shown in fig. 6: the lateral wall and the bottom of the outer leakage-proof package 4 are both provided with EVA foam 17, a plurality of groups of air holes 18 are uniformly formed in the surface of the EVA foam 17, and the air holes 18 are designed to improve the heat dissipation effect of the fuel sub-battery 3.

Further improved, as shown in fig. 4: the rubber shock absorption pads 19 are arranged between the two adjacent groups of leakage-proof outer packages 4, the rubber shock absorption pads 19 are divided into a plurality of layers and are in a wavy texture structure, the design mode can achieve the purpose of buffering when the fuel cell package 1 vibrates, and the rigid contact between the fuel sub-cells 3 is reduced.

Further improved, as shown in fig. 5: the limiting buckle 16 is composed of an elastic plastic plate 20, a screw hole is formed in the outer end of the elastic plastic plate 20, a screw 21 is vertically arranged in the screw hole, the tail end of the screw 21 is fixed on the cover plate 8, and the elastic plastic plate 20 is convenient to rotate and adjust in position in the design mode, so that the purpose of limiting and separating the collecting winding displacement plate 14 is achieved.

Specifically, the bottom of elastic plastic board 20 is the slope form and is provided with clamp plate 22, is connected with spring 23 between clamp plate 22 and the elastic plastic board 20, and clamp plate 22 contacts with collection winding displacement board 14, can reach insulating purpose through elastic plastic board 20 to can adjust collection winding displacement board 14 of below well through clamp plate 22 and reach the spacing purpose of suppression, when needs are opened, only need rotate elastic plastic board 20 make elastic plastic board 20 break away from collection winding displacement board 14 can.

When in use: the utility model firstly splices the leak-proof outer cover 4, inserts the clamping board 7 in the bayonet 9 of the two groups of side boards 6, evenly arranges the EVA foam 17 on the inner wall of the leak-proof outer cover 4, evenly arranges a plurality of groups of fuel sub-batteries 3 in the leak-proof outer cover 4, then fastens the cover board 8 on the top of the tops of the clamping board 7 and the side boards 6, enables the limit nail 11 to be clamped in the perforation 12 to achieve the purpose of limiting, evenly arranges a plurality of groups of leak-proof outer covers 4 in the protective shell 1, arranges the rubber shock-absorbing pad 19 between the two adjacent groups of leak-proof outer covers 4, then places the collecting wire arranging board 14 on a plurality of connecting wire ports 13 to enable the collecting wire arranging board 14 to contact with the power output end of the fuel sub-batteries 3 and rotate the limit buckle 16, enables the pressing board 22 of the limit buckle 16 to extrude the collecting wire arranging board 14 under the limit buckle 16, only need rotate elastic plastic board 20 make elastic plastic board 20 break away from gather winding displacement board 14 can, through such mounting means, improved fuel cell package's shock resistance and thermal diffusivity on the one hand, on the other hand is convenient to fuel cell package's installation and dismantlement.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A fuel cell stack structure based on modular design, including protective housing (1) and the fuel cell package (2) of setting inside protective housing (1), its characterized in that: the fuel cell pack (2) comprises a plurality of groups of fuel sub-cells (3), the outer sides of the fuel sub-cells (3) are wrapped by a plurality of groups of leakage-proof outer packs (4), each leakage-proof outer pack (4) comprises a bottom plate (5), side plates (6), clamping plates (7) and a cover plate (8), the side plates (6) are respectively provided with two groups and are vertically arranged right above the bottom plate (5), bayonets (9) are respectively arranged at two ends of each side plate (6), the clamping plates (7) are respectively arranged between the two groups of side plates (6), clamping blocks (10) matched with the bayonets (9) are formed at the outer ends of the clamping plates (7) in a processing mode, limiting nails (11) are respectively arranged on the surfaces of the two groups of clamping plates (7), the cover plate (8) is horizontally arranged at the tops of the clamping plates (7) and the side plates (6), through holes (12) are respectively arranged at two ends of the cover plate (8), the middle part of apron (8) has been seted up and has been connect electric port (13), the power take off end of fuel cell (3) is located connects electric port (13), a plurality of groups connect electric port (13) the upper level to be provided with collection winding displacement board (14), the outer end of collection winding displacement board (14) evenly is provided with four groups supporting legs (15), four groups the outer end of supporting leg (15) is located protective housing (1), connect electric port (13) both sides and all be provided with spacing buckle (16) that cooperation collection winding displacement board (14) used.

2. A fuel cell stack structure based on modular design according to claim 1, characterized in that: the lateral wall and the bottom of leak protection outsourcing (4) all are provided with EVA bubble cotton (17), a plurality of sets of bleeder vent (18) have evenly been seted up on EVA bubble cotton (17) surface.

3. A fuel cell stack structure based on modular design according to claim 2, characterized in that: a rubber shock absorption pad (19) is arranged between two adjacent groups of leakage-proof outer packages (4), and the rubber shock absorption pad (19) is divided into a plurality of layers and is of a wavy texture structure.

4. A fuel cell stack structure based on modular design according to claim 1, characterized in that: the limiting buckle (16) is composed of an elastic plastic plate (20), a screw hole is formed in the outer end of the elastic plastic plate (20), a screw (21) is vertically arranged in the screw hole, and the tail end of the screw (21) is fixed on the cover plate (8).

5. A fuel cell stack structure based on modular design according to claim 4, characterized in that: the bottom of elastic plastic board (20) is the slope form and is provided with clamp plate (22), be connected with spring (23) between clamp plate (22) and elastic plastic board (20), clamp plate (22) contact with collection winding displacement board (14).