CN209087994U - Fuel cell pack and end plate for fuel cell pack - Google Patents

Fuel cell pack and end plate for fuel cell pack Download PDF

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Publication number
CN209087994U
CN209087994U CN201821179570.1U CN201821179570U CN209087994U CN 209087994 U CN209087994 U CN 209087994U CN 201821179570 U CN201821179570 U CN 201821179570U CN 209087994 U CN209087994 U CN 209087994U
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CN
China
Prior art keywords
fuel cell
cell pack
crimp
end plate
guiding groove
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Active
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CN201821179570.1U
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Chinese (zh)
Inventor
Xin Liao
廖鑫
Feng Zhao
赵锋
Xiao Li
李骁
Hao Jiang
江浩
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TROOWIN POWER SYSTEM TECHNOLOGY Co Ltd
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TROOWIN POWER SYSTEM TECHNOLOGY Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/50Fuel cells

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Abstract

The utility model provides a kind of fuel cell pack, wherein the utility model fuel cell pack includes two end plates, at least one fuel cell and one group of crimp, wherein the fuel cell is stacked between two end plates, the outside for being strapped in two end plates along the stacking direction of the fuel cell respectively is set in the crimp, and the crimp is set and can apply binding force to the end plate, so that it is guaranteed that the fuel cell is stacked between two end plates.

Description

Fuel cell pack and end plate for fuel cell pack
Technical field
The utility model relates to fuel cell more particularly to a kind of stacking methods for fuel cell pack.
Background technique
Fuel cell, such as Proton Exchange Membrane Fuel Cells are a kind of by electrochemical reaction, by the chemical energy in fuel It is translates directly into the power generator of electric energy.However, voltage that single fuel cell (or fuel cell) is capable of providing and defeated Power is lower out.In practical applications, it is generally stacked by multiple fuel cells, forms one and be capable of providing high electricity Pressure and powerful fuel cell pack.It is stacked and is formed by multiple fuel cells accordingly, due to fuel cell pack, And fuel cell is required to good air-tightness.Therefore, the assembly or assembling of fuel cell pack are had to well-designed, To reduce its manufacturing cost and ensure that the quality of fuel cell is stablized.
Application No. is JP1999069590 Japanese patent discloses one kind to be stacked on multiple fuel cells Together, to form the fixation kit of fuel cell pack, wherein the fixation kit of the patent application publication is by being inserted into fuel electricity Entire fuel cell pack is fixed together by the standing screw of the partition of Chi Dui.However, since screw rod is only capable of through spiral shell thereon Bolt provides pressure for the fuel cell pack.Therefore, in order to ensure each region uniform force of the fuel cell pack and the fuel Battery pile can be well secured, which must not be not provided with having multiple standing screws, and the standing screw quilt Setting is evenly distributed.It changes and talks about, the standing screw of the fuel cell pack of the patent application must not be not take up pole plate and should be used for The part in flow field is set.This necessarily causes the volume of fuel cell pack to become larger and the manufacturing cost of fuel cell pack is caused to rise. Further, since the pole plate and partition of fuel cell pack are provided having at least two through-holes, the fuel cell pack is also increased Pole plate processing and manufacture difficulty.
Utility model content
The main purpose of the utility model is to provide a kind of fuel cell pack, the wherein fixation kit of the fuel cell pack The power of the stress surface of end plate of the fuel cell pack can be applied to ensure that fuel cell pack is fixed by being set.
The another object of the utility model is to provide a kind of fuel cell pack, wherein the fixation kit of the fuel cell pack The element of offer fixed function avoids the structure of the pole plate of fixation kit influence fuel cell pack without pole plate is needed guiding through.
The another object of the utility model is to provide a kind of fuel cell pack, wherein the fixation kit of the fuel cell pack It is arranged on the outside of the fuel cell pack, so that the pole plate for considerably increasing fuel cell pack can be used for providing flow field Region.Correspondingly, the utility model fixation kit can be obviously reduced the volume of fuel cell pack and improve fuel cell pack Power to volume ratio.
The another object of the utility model is to provide a kind of fuel cell pack, wherein the fixation kit of the fuel cell pack The assembly technology of fuel cell pack can be made to be optimized and be reduced the manufacture difficulty and manufacturing cost of fuel cell pack.
The another object of the utility model is to provide a kind of fuel cell pack, wherein the fixation kit of the fuel cell pack Pressure can be provided towards fuel cell pack by the stress of the end plate of the fuel cell pack by being set.In other words, this is practical The power that the novel fixation kit for fuel cell pack provides is applied directly to the stress surface of end plate, rather than is applied in end The smaller area of plate, to avoid the unbalance stress of the different zones of fuel cell pack.
The another object of the utility model is to provide a kind of fuel cell pack, wherein the fixation kit of the fuel cell pack The fuel cell pack can be fixed on by the guiding groove and limiting slot of the end plate of the fuel cell pack by being set, to make to fire The assembly difficulty of material battery pile is lowered to be improved with assembly precision.
The another object of the utility model is that it provides a kind of fuel cell pack, wherein the fixation group of the fuel cell pack Part does not need accurate component and complicated structure, and manufacturing process is simple, low in cost.
The another object of the utility model is that it provides a kind of fixation kit for fuel cell pack, wherein the fuel The fixation kit of battery pile can be such that user is not necessarily in the case where carrying out any modification to the pole plate of existing fuel cell pack, by it It applies in existing fuel cell pack.
Other purposes and feature of the utility model are able to fully demonstrate and can be by appended by following detailed descriptions The combination of the means and device specially pointed out in claim is achieved.
According to the one aspect of the utility model, the utility model combustion of foregoing purpose and other purposes and purpose can be realized Expect that battery pile includes:
Two end plates;
At least one fuel cell, wherein the fuel cell is stacked between two end plates;With
One group of crimp, wherein the crimp, which is set, is strapped in two along the stacking direction of the fuel cell respectively The outside of the end plate, and the crimp is set and can apply binding force to the end plate, so that it is guaranteed that the fuel cell It is stacked between two end plates.
According to the utility model preferred embodiment, which can any object with constraint function.Preferably, should Crimp is band-like.
According to the other side of the utility model, the utility model further provides for a kind of end for fuel cell pack Plate, wherein the end plate has an outside and multiple limiting slots pair being arranged on the outside of this, wherein each limiting slot is to packet Include two limiting slots being oppositely arranged.
Further, which further has one group of guiding groove, and wherein the guiding groove, which is set, is parallel to each other, and this draws There is a pre-determined distance between guide groove.
Preferably, the beam of the width of the guiding groove of the end plate and the crimp of the fixation kit for the fuel cell pack Tie up the of same size of portion.
According to the other side of the utility model, the utility model further provides for a kind of stacking for fuel cell pack Method comprising following steps:
(A) crimp of crimp group laterally and is horizontally placed;
(B) crimp of the crimp group is made to be parallel to each other;
(C) end plate is longitudinally placed in the crimp, and the outside of the end plate is made to be located at each of the crimp group One predeterminated position in the constraint portion of crimp;
(D) fuel cell is stacked on the end plate;
(E) another fuel cell is stacked on a upper fuel cell;
(F) step (E) preset times are repeated;
(G) another end plate is longitudinally placed on to the top of the fuel cell of the top;With
(H) two fixing ends of each crimp of the crimp group are connected together respectively, and tightened.
According to the other side of the utility model, the utility model further provides for a kind of fixation for fuel cell pack Component comprising:
One group of crimp;With
One group of first fastener, wherein there are two fixing ends and one to extend between the fixing end for each crimp tool Constraint portion, wherein first fastener is separately positioned on the fixing end of the crimp, and wherein first fastener is set Setting can be connected together.
By the understanding to subsequent description and attached drawing, the further purpose of the utility model and purpose will be able to abundant body It is existing.
The these and other objects, feature and purpose of the utility model, by following detailed descriptions, attached drawing and right are wanted It acquires to fully demonstrate.
Detailed description of the invention
Fig. 1 is the front view according to the fuel cell pack of the utility model preferred embodiment.
Fig. 2 is the explosive view according to the fuel cell pack of above-mentioned the utility model preferred embodiment.
Fig. 3 is the perspective view according to the fixation kit of the fuel cell pack of above-mentioned the utility model preferred embodiment.
Fig. 4 is the solid according to the crimp of the fixation kit of the fuel cell pack of above-mentioned the utility model preferred embodiment Figure.
Fig. 5 is the first fastener according to the fixation kit of the fuel cell pack of above-mentioned the utility model preferred embodiment Enlarged drawing.
Fig. 6 is the perspective view according to the end plate of the fuel cell pack of above-mentioned the utility model preferred embodiment.
Fig. 7 is according to the top view of the fuel cell pack of above-mentioned the utility model preferred embodiment, wherein shown in the figure Fuel cell pack is fixed.
Fig. 8 is according to the perspective view of the fuel cell pack of above-mentioned the utility model preferred embodiment, wherein shown in the figure Fuel cell pack be stacked with it is to be fixed.
Fig. 9 is the flow chart according to the stacking method for fuel cell pack of above-mentioned the utility model preferred embodiment.
Specific embodiment
It is described below for disclosing the utility model so that those skilled in the art can be realized the utility model.It retouches below Preferred embodiment in stating is only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.It is retouched following The basic principle of the utility model defined in stating can be applied to other embodiments, deformation scheme, improvement project, etc. Tongfangs The other technologies scheme of case and the spirit and scope without departing from the utility model.
It will be understood by those skilled in the art that in the exposure of the utility model, term " longitudinal direction ", " transverse direction ", "upper", The orientation or position of the instructions such as "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" Relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, and It is not that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore Above-mentioned term should not be understood as limiting the present invention.
It is understood that term " one " is interpreted as " at least one " or " one or more ", i.e., in one embodiment, The quantity of one element can be one, and in a further embodiment, the quantity of the element can be it is multiple, term " one " is no It can be interpreted as the limitation to quantity.
Shown in Fig. 1 to Fig. 8 of reference book attached drawing, the fuel cell pack according to the utility model preferred embodiment is explained Bright, wherein the fuel cell pack includes two end plates, 10, one groups of fuel cells 20 and one group of crimp 30, wherein the fuel Battery cell (or the fuel cell group) 20 is stacked between two end plates 10, which is set edge respectively should The stacking direction of fuel cell 20 is strapped in the outside 11 of two end plates 10, and wherein be set can be to for the crimp 30 The end plate 10 applies binding force, so that it is guaranteed that the fuel cell 20 is stacked between two end plates 10.It changes and talks about, when this When crimp 30 is bound in two end plates 10 of the fuel cell pack, the binding force which provides passes through the end plate 10 It is applied the fuel cell (group) 20 in the fuel cell pack, to make the fuel cell 20 in the effect phase of power Mutually press together.It will be understood by those in the art that the end plate 10 of the fuel cell pack can be any shape.However, it is aobvious and It is clear to, when the end plate 10 is rectangular, will be more conducive to realize that the stacking of fuel cell pack and crimp 30 are realized to fuel cell The constraint of monomer 20.It is therefore preferred that the end plate 10 of the utility model fuel cell pack is rectangular.It is highly preferred that this is practical The end plate 10 of new fuel cell heap is strip and the utility model fuel cell pack is extended type (or strip) combustion Expect battery pile.It is appreciated that two end plates 10 of fuel cell pack of the present invention play the role of supported fuel cell monomer 20, because This, can also be considered as support plate.
It is worth noting that, the utility model fuel cell pack can be Proton Exchange Membrane Fuel Cells, it is also possible to it The fuel cell of his type, such as methane fuel cell.The utility model fuel cell can be air cooling type, be also possible to Water cooling type.In other words, the type of the fuel cell pack in the utility model example should not limit the utility model Protection scope.For example, the utility model fuel cell pack is h2 fuel cell stack, each fuel cell 10 includes at least one A anode plate, a cathode plate and one are set to membrane electrode assembly between the two.In addition, it is contemplated that the crimp 30 may be with The pole plate of the fuel cell 10 of the fuel cell pack is in contact, and therefore, which is made of electrically non-conductive material, such as Ambroin, cotton etc..Further, when the crimp 30 is made of an electrically conducting material, then the crimp 30 is coated, sprays It applies, be coated with a layer insulating, be electrically connected to avoid the crimp 30 with the conducting element of fuel cell pack.
As shown in Fig. 1 to Fig. 8 of attached drawing, wrapped according to the crimp 30 of the fuel cell pack of the utility model preferred embodiment Include two fixing ends 31 and a constraint portion 32 extended between two fixing ends 31, wherein the crimp 30 be suitable for pass through by The crimp 30 is strapped in the end plate 10 of the fuel cell pack by the mode that the fixing end 31 is connected together.It can manage Solution, the constraint portion 32 of the crimp 30 of the utility model fuel cell pack, which can be any, can be strapped in the fuel cell pack The end plate 10 outside 11 mechanism.Preferably, the constraint portion 32 of the crimp 30 is restraining.
As shown in Fig. 1 to Fig. 8 of attached drawing, the fuel cell pack according to the utility model preferred embodiment further comprises one group First fastener 40, wherein first fastener 40 is separately positioned on the fixing end 31 of the crimp 30, wherein this first Fastener 40, which is set, to interconnect.Further, which includes a main part 41 and two It is a respectively from the outwardly extending fastening connector 42 of main part 41, wherein the fastening connector 42 has a through-hole 420.It can manage Solution, two the first fasteners 40 for being respectively set at the fixing end 31 of the crimp 30 can be connected by its through-hole 420 Be fixed together.Preferably, constraint of the extending direction of the through-hole 420 of first fastener 40 and the crimp 30 The extending direction in portion 32 is identical, in order to be arranged on the crimp 30 the fixing end 31 two 40 quilts of the first fastener It is fixed together.
It is worth noting that, the length quilt of the main part 41 of first fastener 40 of the utility model fuel cell pack The width of the fixing end 31 not less than the crimp 30 is set, in order to which the fixing end 31 is fixed on first fastener 40 The main part 41.Further, the width no more than the fixing end 31 is set in the width in the constraint portion 32 of the crimp 30 Degree, to enable a user to the main part for being wrapped in first fastener 40 by the constraint portion 32 by the crimp 30 41, or it will be wrapped in the mode in the constraint portion 32 of the main part 41 of first fastener 40, adjustment is bound in the fuel The length in the constraint portion 32 of the crimp 30 of battery pile.
As shown in Fig. 1 to Fig. 8 of attached drawing, according to first fastener of the fuel cell pack of the utility model preferred embodiment 40 main part 41 further has one group of fixation hole 410, and wherein the fixing end 31 of the crimp 30 passes through the fixation hole 410 are fixed on the main part 41.
As shown in Fig. 7 and Fig. 8 of attached drawing, the fuel cell pack according to the utility model preferred embodiment further comprises one group Second fastener 50, wherein each second fastener 50 includes that a fastening screw 51 and one are suitable for being screwed onto the fastening The fastening nut 52 of screw rod 51, wherein the end 511 that is spirally connected of the fastening screw 51, which is set, can pass through first fastener 40 The through-hole 420 of the fastening connector 42, and user is allowed to be divided by adjusting the adjustment of fastening nut 52 being screwed onto thereon Distance between two the first fasteners 40 of the fixing end 31 of the crimp 30 is not set, to adjust the crimp 30 To the constraint intensity of the end plate 10 (or the fuel cell 20) of the fuel cell pack.It is appreciated that since this is practical new First fastener 40 of type fuel cell pack is fixed together by second fastener 50.Therefore, it is arranged on same Connection between two the first fasteners 40 of a crimp 30 can be easy to be released from.
As shown in Fig. 6 to Fig. 8 of attached drawing, according to the utility model preferred embodiment fuel cell pack the end plate 10 into One step has multiple limiting slots to 100, wherein each limiting slot includes two limiting slots 101 being arranged at intervals to 100, In the limiting slot 100 the distance between two limiting slots 101 are set and the main part 41 of first fastener 40 Length is identical, and the limiting slot is tight according to this of first fastener 40 respectively to the shapes and sizes of 100 two limiting slots 101 The shapes and sizes of affixed head 42 design, so that the fastening connector 42 of first fastener 40 can be separately placed the limit Position slot is in 100 limiting slot 101, so that the crimp 30 be prevented to be bound in the fuel by first fastener 40 After the end plate 10 of battery pile, slided under the effect of external force with respect to the outside 11 of the end plate 10.It especially prevents from working as user When adjusting constraint intensity of the crimp 30 to the fuel cell pack by second fastener 50, the crimp 30 is with respect to the end Plate 10 slides.
As shown in Fig. 6 to Fig. 8 of attached drawing, the end plate 10 according to the fuel cell pack of the utility model preferred embodiment has There is one group of guiding groove 102, wherein the guiding groove 102 is laterally positioned in the outside 11 of the end plate 10, wherein the guiding groove 102 width be set it is of same size with the constraint portion 32 of the crimp 30, to make the constraint portion of the crimp 30 32 can be placed on just in the guiding groove 102, to prevent the constraint portion 32 of the crimp 30 that longitudinal sliding motion occurs.It is preferred that Ground, the guiding groove 102 of the end plate 10 of the utility model fuel cell pack be separately positioned on the guiding groove to 100 two Between a guiding groove 101 so that when the crimp 30 the fixing end 32 is by first fastener 40 and this is second tight When firmware 50 is fixed together, the constraint portion 32 of the crimp 30 can be placed on just in the guiding groove 102, with resistance Only longitudinal sliding motion occurs for the constraint portion 32 of the crimp 30.It is appreciated that the limiting slot 101 and the guidance in the end plate 10 Under the action of slot 102, after which is bound in the fuel cell pack, sliding quilt of the crimp 30 with respect to the end plate 10 It prevents well.In other words, no unless being destroyed the connection of two fixing ends 32 of the crimp 30 by external force tool Then, the crimp 30 for being arranged on the end plate 10 of the fuel cell pack would become hard to fall off from the end plate 10.It is highly preferred that The guiding groove 102, which is set, to be parallel to each other, and has a pre-determined distance between every each adjacent two guiding groove 102.Most preferably The size on ground, the pre-determined distance between the guiding groove 102 is identical.
As shown in Fig. 6 to Fig. 8 of attached drawing, further, the guidance of the end plate 10 of the utility model fuel cell pack Slot 102 has a bottom wall 1020, and wherein there are two leading ends 1021 for the bottom wall 1020 tool of the guiding groove 102, and wherein this draws It leads end 1021 and forms an arcuate guide surface 1022 extended from inside to outside, the crimp 30 is strapped in the combustion in user When expecting the end plate 10 of battery pile, the constraint portion 32 of the crimp 30 is guided to be put into the guiding groove 102.Preferably, the guidance The bottom wall 1020 of slot 102 is set with when the crimp 30 is arranged in the guiding groove 102, the beam of the crimp 30 Bottom wall 1020 of the guiding groove 102 of the end plate 10 can be fitted tightly over by tiing up portion 32, so that the crimp 30 can be steadily Ground is strapped in the end plate 10 of the fuel cell pack and is not susceptible to slide.
It is interconnected and it is worth noting that, the limiting slot 101 of the end plate 10 and the guiding groove 102 can be set into one Step is set can be by 31 He of fixing end of first fastener 40 of the utility model fuel cell pack and the crimp 30 The constraint portion 32 is hidden in the limiting slot 101 and the guiding groove 102 of the end plate 10, in order to the utility model fuel The use of battery pile and subsequent assembly.Skilled person will appreciate that this when the utility model fuel cell pack is first tight When the outside of the end plate 10 is projectedly arranged in the fixing end 31 of firmware 40 and/or the crimp 30 and the constraint portion 32, no But the exterior appearance for influencing whether the fuel cell pack, also affects the steady placement of the fuel cell pack, or even is also possible to The fuel cell pack, is such as connected by the subsequent assembling and use for influencing whether fuel cell pack with fuel supply device, so that Fuel supply device can provide fuel to the fuel cell pack.
As shown in Fig. 1 to Fig. 8 of attached drawing, according to the utility model preferred embodiment, the utility model further provides for one kind For the end plate 10 of fuel cell pack, wherein the end plate 10 has an outside 11 and multiple limits for being arranged on the outside 11 Slot is to 100, wherein each limiting slot includes two limiting slots 101 being oppositely arranged to 100.Further, the end plate 10 into One step has one group of guiding groove 102, and wherein the guiding groove 102 is separately positioned on the limiting slot to 100 two limiting slots Between 101.Preferably, which, which is set, is parallel to each other, and has one between the every two adjacent guiding groove 102 A pre-determined distance.It is highly preferred that the size of the pre-determined distance between the guiding groove 102 is identical.
As shown in Fig. 1 to Fig. 8 of attached drawing, according to the utility model preferred embodiment, the utility model further provides for one kind Fixation kit for fuel cell pack comprising one group of crimp 30 and one group of first fastener 40, wherein each constraint The tool of part 30 is there are two fixing end 31 and a constraint portion 32 extended between the fixing end 31, wherein 40 quilt of the first fastener It is separately positioned on the fixing end 31 of the crimp 30, wherein first fastener 40 is set and can be connected together.
As shown in Fig. 1 to Fig. 8 of attached drawing, first fastener of the utility model for the fixation kit of fuel cell pack 40 include a main part 41 and two respectively from the outwardly extending fastening connector 42 of main part 41, wherein the fastening connector 42 With a through-hole 420.Correspondingly, two the first fasteners 40 of the fixation kit can by its through-hole 420 be connected and by It is fixed together.Preferably, being somebody's turn to do not less than the crimp 30 is set in the length of the main part 41 of first fastener 40 The width of fixing end 31, in order to which the fixing end 31 is fixed on the main part 41 of first fastener 40.It is highly preferred that should The width no more than the fixing end 31 is set in the width in the constraint portion 32 of crimp 30, thus enable a user to pass through by The constraint portion 32 of the crimp 30 is wrapped in the main part 41 of first fastener 40, or will be wrapped in first fastener The mode in the constraint portion 32 of 40 main part 41, adjustment are bound in the constraint of the crimp 30 of the fuel cell pack The length in portion 32.
As shown in Fig. 1 to Fig. 8 of attached drawing, fixation kit of the utility model for fuel cell pack further comprises one group Second fastener 50, wherein each second fastener 50 includes that a fastening screw 51 and one are suitable for being screwed onto the fastening The fastening nut 52 of screw rod 51, wherein the end 511 that is spirally connected of the fastening screw 51, which is set, can pass through first fastener 40 The through-hole 420 of the fastening connector 42, and user is allowed to be divided by adjusting the adjustment of fastening nut 52 being screwed onto thereon Distance between two the first fasteners 40 of the fixing end 31 of the crimp 30 is not set, to adjust the crimp 30 To the constraint intensity of the end plate 10 (or the fuel cell 20) of the fuel cell pack.
As shown in Fig. 1 to Fig. 8 of attached drawing, the utility model further has multiple for the fixation kit of fuel cell pack Suitable for be arranged on the end plate of the fuel cell pack outside limiting slot to 100, wherein each limiting slot includes two to 100 The limiting slot 101 being arranged at intervals, wherein the limiting slot is set and is somebody's turn to do to 100 the distance between two limiting slots 101 The length of the main part 41 of the first fastener 40 is identical, and the limiting slot to 100 two limiting slots 101 shapes and sizes It is designed respectively according to the shapes and sizes of the fastening connector 42 of first fastener 40, so that the fastening of first fastener 40 Connector 42 can be separately placed the limiting slot in 100 limiting slot 101.
As shown in Fig. 1 to Fig. 8 of attached drawing, fixation kit of the utility model for fuel cell pack further has one group Suitable for being arranged on the guiding groove 102 in the outside of the end plate of the fuel cell pack, wherein the width of the guiding groove 102 is set It is of same size with the constraint portion 32 of the crimp 30, so that the constraint portion 32 of the crimp 30 be enable to be put just In the guiding groove 102.Preferably, the utility model is distinguished for the guiding groove 102 of the fixation kit of fuel cell pack The guiding groove is set between 100 two guiding grooves 101.
As shown in Fig. 9 of attached drawing, according to the utility model preferred embodiment, the utility model further provides for a kind of for firing Expect the stacking method of battery pile comprising following steps:
(A) crimp of crimp group laterally and is horizontally placed;
(B) crimp of the crimp group is made to be parallel to each other;
(C) end plate is longitudinally placed in the crimp, and the outside of the end plate is made to be located at each of the crimp group One predeterminated position in the constraint portion of crimp;
(D) fuel cell is stacked on the end plate;
(E) another fuel cell is stacked on a upper fuel cell;
(F) step (E) preset times are repeated;
(G) another end plate is longitudinally placed on to the top of the fuel cell of the top;With
(H) two fixing ends of each crimp of the crimp group are connected together respectively, and tightened.
Further, the step (H) the following steps are included:
(H1) two fixing ends of each crimp of the crimp group are connected together respectively;With
(H2) the distance between described two fixing ends of each crimp of the crimp group are adjusted separately, so as to adjust The crimp is applied to the binding force of the end plate to a default size, and tightens each crimp in the end plate.
Further, it is preferable that phase between the two neighboring crimp of the crimp group of the utility model fuel cell pack Every a pre-determined distance.
Further, the utility model for fuel cell pack stacking method the following steps are included:
(L) so that the constraint portion of each crimp of the crimp group is placed on the guiding groove of the end plate, wherein should Guiding groove is respectively set at the predeterminated position.
It should be understood by those skilled in the art that foregoing description and the embodiments of the present invention shown in the drawings are only used as It illustrates and is not intended to limit the utility model.
The purpose of this utility model completely and effectively realizes.The function and structural principle of the utility model are in reality It applies and shows and illustrate in example, under without departing from the principle, the embodiments of the present invention can have any deformation or repair Change.

Claims (20)

1. a kind of fuel cell pack characterized by comprising
Two end plates;
At least one fuel cell, wherein the fuel cell is stacked between two end plates;With
One group of crimp, wherein the crimp be set be strapped in respectively along the stacking direction of the fuel cell it is described The outside of two end plates, and the crimp is set and can apply binding force to the end plate, so that it is guaranteed that the fuel is electric Pond monomer is stacked between two end plates.
2. fuel cell pack according to claim 1, which is characterized in that it further comprise one group of first fastener, wherein The crimp includes two fixing ends and a constraint portion extended between described two fixing ends, wherein described first is tight Firmware is separately positioned on the fixing end of the crimp, and first fastener is set can be interconnected on one It rises.
3. fuel cell pack according to claim 2, which is characterized in that first fastener include main part and Two respectively from the outwardly extending fastening connector of the main part, wherein the fastening connector has a through-hole.
4. fuel cell pack according to claim 3, which is characterized in that the end plate further has multiple limiting slots It is right, wherein each limiting slot to include two limiting slots being arranged at intervals, wherein described two limits of the limiting slot pair , and the institute of the limiting slot pair identical as the length of the main part of first fastener is set in position the distance between slot The shapes and sizes for stating two limiting slots are designed according to the shapes and sizes of the fastening connector of first fastener respectively.
5. fuel cell pack according to claim 2, which is characterized in that the end plate has one group of guiding groove, wherein institute The outside that guiding groove is laterally positioned in the end plate is stated, wherein the width of the guiding groove is set and the crimp The constraint portion it is of same size.
6. fuel cell pack according to claim 4, which is characterized in that the end plate has one group of guiding groove, wherein institute The outside that guiding groove is laterally positioned in the end plate is stated, wherein the width of the guiding groove is set and the constraint The constraint portion of part it is of same size, wherein the guiding groove of the end plate is separately positioned on the institute of the guiding groove pair It states between two guiding grooves.
7. fuel cell pack according to claim 5, which is characterized in that the guiding groove of the end plate has a bottom Wall extends wherein there are two leading ends for the bottom wall tool of the guiding groove wherein the leading end forms one from inside to outside Arcuate guide surface.
8. fuel cell pack according to claim 6, which is characterized in that the guiding groove of the end plate has a bottom Wall extends wherein there are two leading ends for the bottom wall tool of the guiding groove wherein the leading end forms one from inside to outside Arcuate guide surface.
9. fuel cell pack according to claim 3, which is characterized in that it further comprise one group of second fastener, wherein Each second fastener includes the fastening nut that a fastening screw and one are suitable for being screwed onto the fastening screw, Described in fastening screw be spirally connected end be set can pass through first fastener the fastening connector the through-hole, and Allow user by adjusting fastening nut thereon is screwed onto, the described solid of the crimp is separately positioned on adjustment The distance between described two first fasteners of fixed end.
10. fuel cell pack according to claim 6, which is characterized in that it further comprise one group of second fastener, wherein Each second fastener includes the fastening nut that a fastening screw and one are suitable for being screwed onto the fastening screw, Described in fastening screw be spirally connected end be set can pass through first fastener the fastening connector the through-hole, and Allow user by adjusting fastening nut thereon is screwed onto, the described solid of the crimp is separately positioned on adjustment The distance between described two first fasteners of fixed end.
11. according to fuel cell pack described in claim 3,4,6,8,9 or 10, which is characterized in that first fastener The width of the fixing end not less than the crimp is set in the length of the main part.
12. according to fuel cell pack described in claim 3,4,5,6,7,8,9 or 10, which is characterized in that the crimp The width no more than the fixing end is set in the width in the constraint portion.
13. according to claim 1, fuel cell pack described in 2,3,4,5,6,7,8,9 or 10, which is characterized in that the end plate For strip.
14. according to fuel cell pack described in claim 5,6,7,8 or 10, which is characterized in that phase is set in the guiding groove It is mutually parallel, and there is a pre-determined distance between each adjacent two guiding groove.
15. fuel cell pack according to claim 14, which is characterized in that pre-determined distance between the guiding groove it is big It is small identical.
16. according to claim 1, fuel cell pack described in 2,3,4,5,6,7,8,9 or 10, which is characterized in that the crimp It is made of an electrically conducting material, and the crimp is coated, sprays or is coated with a layer insulating.
17. fuel cell pack according to claim 11, which is characterized in that the crimp is made of an electrically conducting material, and should Crimp is coated, sprays or is coated with a layer insulating.
18. a kind of end plate for fuel cell pack, which is characterized in that there is the end plate outside to be arranged on multiple The limiting slot pair in the outside, wherein each limiting slot is to including two limiting slots being oppositely arranged.
19. end plate according to claim 18, which is characterized in that the end plate further has one group of guiding groove, wherein The guiding groove is laterally positioned in the outside of the end plate, wherein the guiding groove of the end plate is set individually Between described two guiding grooves of the guiding groove pair.
20. end plate according to claim 19, which is characterized in that the guiding groove of the end plate has a bottom wall, Wherein there are two leading ends for the bottom wall tool of the guiding groove, wherein the leading end forms an arc extended from inside to outside Shape guide surface.
CN201821179570.1U 2018-06-26 2018-07-24 Fuel cell pack and end plate for fuel cell pack Active CN209087994U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110718710A (en) * 2018-06-26 2020-01-21 武汉众宇动力系统科技有限公司 Fuel cell stack and stacking method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110718710A (en) * 2018-06-26 2020-01-21 武汉众宇动力系统科技有限公司 Fuel cell stack and stacking method thereof

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