CN213459819U

CN213459819U - Fuel cell stack separator compensation structure

Info

Publication number: CN213459819U
Application number: CN202022071499.9U
Authority: CN
Inventors: 许康; 刘建飞; 宋新贤; 徐晨
Original assignee: Aideman Hydrogen Energy Equipment Co ltd
Current assignee: Aideman Hydrogen Energy Equipment Co ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-06-15
Anticipated expiration: 2030-09-21

Abstract

The utility model discloses a fuel cell stack baffle compensation structure, which comprises an outer shell, be equipped with a plurality of groups electricity generation monocell one and electricity generation monocell two in the shell body, be equipped with the baffle between electricity generation monocell one and the electricity generation monocell two, the baffle includes titanium alloy basic unit, the both sides of titanium alloy basic unit all are equipped with carbon system conducting layer, be equipped with the electric conductivity resin layer on the carbon system conducting layer, be equipped with monocell positioner in the shell body, monocell positioner is including connecting the shell, the symmetry is equipped with movable groove in the connecting shell, the activity inslot is equipped with the slider, all be equipped with the extension piece on the slider, be equipped with location splint between the extension piece top, be connected with the horizontal pole between the extension piece, one side of horizontal pole is: the device has simple structure, can reduce the possibility of peeling of the carbon-based conductive layer containing the carbon layer, is convenient for mounting and fixing the fuel cell stack, and prevents the problems of internal leakage or short circuit caused by the shift of the separator.

Description

Fuel cell stack separator compensation structure

Technical Field

The utility model relates to a fuel cell stack technical field particularly, relates to a fuel cell stack baffle compensation structure.

Background

A fuel cell stack 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.

The existing fuel cell stack binds a plurality of groups of power generation monocells together through a binding belt, so that unstable connection is easy to occur, a partition plate is deviated, the problem of electric leakage or short circuit inside the cell stack is caused, and the use of the fuel cell stack is influenced.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To solve the problems in the related art, the present invention provides a fuel cell stack spacer compensation structure to overcome the above technical problems in the related art.

The technical scheme of the utility model is realized like this:

the utility model provides a fuel cell stack baffle compensation structure, includes the shell body, be equipped with a plurality of groups electricity generation monocell one and electricity generation monocell two in the shell body, electricity generation monocell one with be equipped with the baffle between the electricity generation monocell two, the baffle includes titanium alloy basic unit, the both sides of titanium alloy basic unit all are equipped with carbon and are the conducting layer, be equipped with the conductive resin layer on the carbon is the conducting layer, be equipped with monocell positioner in the shell body, monocell positioner is including connecting the shell, the symmetry is equipped with movable groove in the connecting shell, be equipped with the slider in the movable groove, all be equipped with the extension piece on the slider, be equipped with the location splint between the extension piece top, be connected with the horizontal pole between the extension piece, one side of horizontal pole is equipped with the threaded rod through.

Furthermore, an upper top plate and a lower bottom plate are respectively arranged on two sides of the outer shell, electrode plates are connected in the upper top plate and the lower bottom plate, and conductive columns are arranged on the electrode plates.

Furthermore, insulating partition plates are arranged on two sides of the inner wall of the outer shell.

Furthermore, compression springs are symmetrically arranged between the cross rod and the inner wall of the connecting shell.

The utility model provides a fuel cell stack baffle compensation structure, beneficial effect as follows:

(1) the partition board is arranged between the first power generation monocell and the second power generation monocell and comprises a titanium alloy base layer, carbon series conductive layers are arranged on two sides of the titanium alloy base layer, conductive resin layers are arranged on the carbon series conductive layers, a monocell positioning device is arranged in the outer shell and comprises a connecting shell, movable grooves are symmetrically arranged in the connecting shell, sliding blocks are arranged in the movable grooves, extending blocks are arranged on the sliding blocks, positioning clamping plates are arranged between the tops of the extending blocks, cross rods are connected between the extending blocks, threaded rods are arranged on one side of each cross rod through bearings and movably extend out of the outer shell, the first power generation monocell and the second power generation monocell are separated through the partition board when the power generation monocell and the second power generation monocell are used, the possibility that the carbon series conductive layers containing the carbon layers are peeled off can be reduced by utilizing the matching, utilize the effect of bearing, make it drive the locating splint and move forward under the cooperation of activity groove and slider, fix fuel cell stack, such device simple structure, convenient to use when using, can reduce the possibility that the carbon system conducting layer that contains the carbon layer peeled off, avoids the contact, and is convenient for install fixedly fuel cell stack, prevents that the baffle skew from causing the problem of inside electric leakage or short circuit.

(2) The upper top plate and the lower bottom plate are arranged on two sides of the outer shell respectively, electrode plates are connected in the upper top plate and the lower bottom plate respectively, and conductive columns are arranged on the electrode plates, so that the battery stack is convenient to conduct electricity

(3) The two sides of the inner wall of the outer shell are respectively provided with an insulating partition plate, so that the insulativity between the outer shell and the cell stack is improved

(4) Compression springs are symmetrically arranged between the cross rod and the inner wall of the connecting shell, and can play a role in limiting when being positioned

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a fuel cell stack separator compensation structure according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a separator plate in a fuel cell stack separator plate compensation arrangement according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a cell positioning device in a fuel cell stack separator compensation structure according to an embodiment of the present invention.

In the figure:

1. an outer housing; 2. generating a single battery I; 3. a second power generation cell; 4. a partition plate; 5. a titanium alloy base layer; 6. a carbon-based conductive layer; 7. a conductive resin layer; 8. a single cell positioning device; 9. a connecting shell; 10. a movable groove; 11. a slider; 12. an extension block; 13. positioning the clamping plate; 14. a cross bar; 15. a bearing; 16. a threaded rod; 17. an upper top plate; 18. a lower base plate; 19. an electrode sheet; 20. a conductive post; 21. An insulating spacer; 22. compressing the 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 all belong to the protection scope of the present invention.

The invention will be further described with reference to the accompanying drawings and specific embodiments:

the first embodiment is as follows:

referring to fig. 1-3, a fuel cell stack spacer compensation structure according to an embodiment of the present invention includes an outer casing 1, a plurality of sets of first power generation cells 2 and second power generation cells 3 are disposed in the outer casing 1, a spacer 4 is disposed between the first power generation cells 2 and the second power generation cells 3, the spacer 4 includes a titanium alloy base layer 5, carbon-based conductive layers 6 are disposed on both sides of the titanium alloy base layer 5, conductive resin layers 7 are disposed on the carbon-based conductive layers 6, a cell positioning device 8 is disposed in the outer casing 1, the cell positioning device 8 includes a connecting casing 9, movable grooves 10 are symmetrically disposed in the connecting casing 9, sliders 11 are disposed in the movable grooves 10, extension blocks 12 are disposed on the sliders 11, positioning clamping plates 13 are disposed between tops of the extension blocks 12, and cross rods 14 are connected between the extension blocks 12, one side of the cross bar 14 is provided with a threaded rod 16 through a bearing 15, and the threaded rod 16 extends out of the outer shell 1.

Through the above scheme of the utility model, through setting up the baffle 4 between the electricity generation monocell one 2 and the electricity generation monocell two 3, the baffle 4 includes titanium alloy basic unit 5, both sides of the titanium alloy basic unit 5 are all equipped with carbon system conducting layer 6, be equipped with conductive resin layer 7 on the carbon system conducting layer 6, be equipped with monocell positioner 8 in the shell body 1, monocell positioner 8 includes connecting shell 9, symmetrical movable groove 10 that is equipped with in the connecting shell 9, be equipped with slider 11 in the movable groove 10, all be equipped with extension block 12 on the slider 11, be equipped with locating splint 13 between the extension block 12 top, be connected with horizontal pole 14 between the extension block 12, one side of horizontal pole 14 is equipped with threaded rod 16 through bearing 15, threaded rod 16 extends to outside the shell body 1, during the use, utilize the baffle to separate electricity generation monocell one 2 and electricity generation monocell two 3, utilize the effect of carbon system conducting layer 6 and conductive resin layer 7 cooperation, can reduce the possibility that the carbon system conducting layer 6 that contains the carbon layer peels off, avoid the contact, during the installation, adjusting threaded rod 16, utilize the effect of bearing 15, make it drive the forward movement of location splint 13 under the cooperation of activity groove 10 and slider 11, fix the fuel cell stack, such device simple structure, high durability and convenient use, when using, can reduce the possibility that the carbon system conducting layer 6 that contains the carbon layer peels off, avoid the contact, and be convenient for install fixedly to the fuel cell stack, prevent that baffle 4 skew from causing the problem of inside electric leakage or short circuit.

Example two:

as shown in fig. 1-3, an upper top plate 17 and a lower bottom plate 18 are respectively disposed on two sides of the outer casing 1, electrode plates 19 are connected in the upper top plate 17 and the lower bottom plate 18, and conductive posts 20 are disposed on the electrode plates 19 to facilitate the conduction of the cell stack; the two sides of the inner wall of the outer shell 1 are provided with insulating partition plates 21, so that the insulativity between the outer shell 1 and the cell stack is improved; compression springs 22 are symmetrically arranged between the cross rod 14 and the inner wall of the connecting shell 9, and can play a role in limiting when in positioning.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, when the device is used, the first power generation single cell 2 and the second power generation single cell 3 are separated by the partition board, the possibility of stripping the carbon-based conductive layer 6 containing the carbon layer can be reduced by the matching effect of the carbon-based conductive layer 6 and the conductive resin layer 7, contact is avoided, when the device is installed, the threaded rod 16 is adjusted, and the positioning clamp plate 13 is driven to move forwards under the matching effect of the movable groove 10 and the sliding block 11 by the effect of the bearing 15 to fix the fuel cell stack.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The fuel cell stack partition plate compensation structure is characterized by comprising an outer shell (1), wherein a plurality of groups of first power generation monocells (2) and second power generation monocells (3) are arranged in the outer shell (1), a partition plate (4) is arranged between the first power generation monocells (2) and the second power generation monocells (3), the partition plate (4) comprises a titanium alloy base layer (5), carbon-series conductive layers (6) are arranged on two sides of the titanium alloy base layer (5), conductive resin layers (7) are arranged on the carbon-series conductive layers (6), a monocell positioning device (8) is arranged in the outer shell (1), the monocell positioning device (8) comprises a connecting shell (9), movable grooves (10) are symmetrically arranged in the connecting shell (9), sliding blocks (11) are arranged in the movable grooves (10), and extension blocks (12) are arranged on the sliding blocks (11), the novel extension block is characterized in that a positioning clamping plate (13) is arranged between the tops of the extension blocks (12), a cross rod (14) is connected between the extension blocks (12), a threaded rod (16) is arranged on one side of the cross rod (14) through a bearing (15), and the threaded rod (16) extends out of the outer shell (1).

2. The fuel cell stack separator compensation structure of claim 1, wherein an upper top plate (17) and a lower bottom plate (18) are respectively arranged on two sides of the outer casing (1), electrode plates (19) are connected in the upper top plate (17) and the lower bottom plate (18), and conductive columns (20) are arranged on the electrode plates (19).

3. A fuel cell stack separator compensation structure according to claim 1, characterized in that the inner wall of the outer casing (1) is provided with insulating separators (21) on both sides.

4. A fuel cell stack separator compensation structure according to claim 1, characterized in that compression springs (22) are symmetrically arranged between the cross bar (14) and the inner wall of the connection housing (9).