CN108206297A - A kind of fuel cell module packaging and fixed structure - Google Patents
A kind of fuel cell module packaging and fixed structure Download PDFInfo
- Publication number
- CN108206297A CN108206297A CN201711387399.3A CN201711387399A CN108206297A CN 108206297 A CN108206297 A CN 108206297A CN 201711387399 A CN201711387399 A CN 201711387399A CN 108206297 A CN108206297 A CN 108206297A
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- China
- Prior art keywords
- fuel cell
- end cap
- fixed structure
- encapsulation
- cell module
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2465—Details of groupings of fuel cells
- H01M8/247—Arrangements for tightening a stack, for accommodation of a stack in a tank or for assembling different tanks
- H01M8/2475—Enclosures, casings or containers of fuel cell stacks
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Abstract
The present invention provides a kind of fuel cell module packaging and fixed structure, it is characterised in that including：First encapsulation end cap, including body construction portion and fixed structure portion, body construction portion is the semi-enclosed accommodating chamber at least one complete end face for accommodating fuel cell pile；Second encapsulation end cap, has the receiving cavity configuration to match with the body construction portion of the first encapsulation end cap, and lower arrangement is presented with the first encapsulation end cap；Third encapsulates side cover, and fuel cell pile is wrapped in the accommodation space of its formation by the side open surface fixation with the first encapsulation end cap, and the first encapsulation end cap, which is first fastened to be fastened with the second potted ends lid again with third package-side lid, forms totally enclosed type accommodating chamber；Fixation kit, for the fixation of fixed structure portion and external equipment.The structure of the present invention makes encapsulation have separating capacity with fixed function, advantageously reduces risk, suitable for the installation of fuel cell module difference occasion, reduces manufacture cost, promotes damping performance.
Description
Technical field
The present invention relates to Proton Exchange Membrane Fuel Cells field more particularly to a kind of fuel cell module encapsulation fixed knots
Structure.
Background technology
Fuel cell module is the core of fuel cell system for vehicles, fuel cell module usually by encapsulating structure and
Pile is formed, and also includes associated electrical components sometimes, and fuel cell pile is the end plate of holding and compression, collection by both sides
What flowing plate and a series of monocells along monocell reaction surface normal direction stacked in multi-layers were formed, usually using hydrogen fuel and air conduct
Reaction gas.Under the protective effect by encapsulating structure, pile can preferably play a role, realize the longer service life and
The ability of bigger.
Currently, there are mainly three types of types for the packaging and fixed structure of fuel cell module：
The first：Fuel cell pile is fixed within independent encapsulating structure, is connected by interface and is realized that fluid is situated between
The input of matter and the output of electric power form module after encapsulating structure completes itself encapsulation, then will be whole by mounting bracket
A module is mounted on vehicle frame, this uses easy beam in the process, and mounting bracket intensity is greater than or equal to encapsulating structure
The intensity of itself.
Second：The fuel cell module system of bearing member is compressed using shell (i.e. encapsulating structure) as fuel cell pile
Mode is made, such shell becomes pile inalienable part, and therefore, its requirement on machining accuracy is high.Then, using having
Fuel cell module after assembling is fixed on vehicle or frame by the related elements of damping effect, and there is no to the vibration damping portion
Divide and carry out special designing, and fixed part does not have the ability detached with ontology.
The third：There is multiple installation fixing screwed holes or fixed structure on the both ends end plate of fuel cell pile, this
It is used when being used to connect with package casing, i.e., end plate also just becomes the end face of package casing.Inevitably, this kind seals
Assembling structure has more element.Finally, fuel cell module is fixed on vehicle frame by stent.
For the problem that the prior art analysis of aforementioned structure type finds that more or less there are certain.Have at present
Innovation and creation from different perspectives for example from general utility functions, manufacturing method, waterproof shock-absorbing and some specific function angles, it is proposed that
Corresponding technological means such as patent of invention (application No. is 201410212101.5) battery case system and method, discloses one
Kind couples fixed cage connection mode by modular assembly；Patent of invention (application No. is 201410472087.2) fuel electricity
Chi Dui discloses a kind of battery pile shell mechanism, and by the component by means of minimum number, compactly the installation of assembled battery heap is tied
Structure and reduce enclosure volume and ensure the rigidity of the heap；A kind of fuel electricity of patent of invention (application No. is 200510026006.7)
The packaging system of pond pile discloses a kind of package shelf, so as to fulfill functions such as dustproof and waterproofs.
Also many prior arts wouldn't repeat, they are in the presence of the space that can promote optimization, particularly in manufacturing process
In terms of structure design.Shock-damping structure such as the first type is fairly simple, and the sub-fraction of mounting bracket is destroyed will be to combustion
Material battery pile has an adverse effect.Second of type structure in order to reach it is preferable as a result, shell material selection, processing work
Skill and design external form need prolonged verification experimental verification, and at the same time, the assembling of pile is more complicated, the realization of insulation and sealing
It is relatively difficult, especially long period using when there are greater risks.Third type need to design unique connection mode and sealing.
It is noted that fuel cell module should be fixed for vehicle frame, and this fixation should be logical
It crosses and has what the fixed structure that vibration damping and electrical isolation act on was realized.If when being acted on by powerful external force, fixed structure can be with
It is detached from encapsulating structure or first destroys, thus the safety for fuel cell power generation body plays double protective effect.
Therefore, it is necessary to provide a kind of suitable packaging and fixed structure, consider the craftsmanship of manufacture, assembling it is convenient
Property, the integrality of function, reliability, part aesthetics, with minimum number of parts realize encapsulation with fixed function, together
When encapsulation is made to have the ability detached with fixed function, from the angle for advantageously reducing risk, have design in mind at details
The simple and excellent structures in several places, the different application occasion installed and used suitable for fuel cell module.
Invention content
According to the technical issues of set forth above, and provide a kind of fuel cell module packaging and fixed structure.It is of the invention main
Using the first encapsulation end cap, the second encapsulation end cap and third encapsulation side cover fuel cell pile is realized good sealed insulation,
Fixed and fixation kit is accommodated to overall structure and the isostructural fixation of vehicle frame, is encapsulated with minimum number of parts realization and solid
Determine function, while there is the ability of separation, the different application occasion installed and used suitable for fuel cell module.
The technological means that the present invention uses is as follows：
A kind of fuel cell module packaging and fixed structure, which is characterized in that including：
First encapsulation end cap, it is described including body construction portion and the fixed structure portion being arranged in the body construction portion
Body construction portion is the semi-enclosed accommodating chamber at least one complete end face for accommodating fuel cell pile；
Second encapsulation end cap has the receiving cavity configuration to match with the body construction portion of the described first encapsulation end cap, and
Lower arrangement is presented with the described first encapsulation end cap；
Third encapsulates side cover, and the fuel cell pile is wrapped in by the side open surface fixation with the described first encapsulation end cap
In its accommodation space formed, the fuel cell pile upper part is by the described second encapsulation end cap and first potted ends
Lid is fastened be fastened again with the third package-side lid after the totally enclosed type accommodating chamber that forms included；Above-mentioned is described
First encapsulation end cap and the third is encapsulated after the completion of side cover connect by encapsulating fastener, then is encapsulated end cap with described second and led to
Cross the connection of encapsulation fastener.Such assemble sequence be conducive to fuel cell pile assembling positioning and follow-up wiring with plumber
The completion of work, while can ensure that sealing is achieved again；
Fixation kit, for the fixation of the fixed structure portion and vehicle frame or other mounting brackets, the fixation kit and
The fixed structure portion collectively constitutes the fixed structure of the fuel cell module.
Further, the first encapsulation end cap, which has, is used for the fixed part for receiving the fuel cell pile at least one
Position, the fuel cell pile by it is at least one have do not absorb water, be electrically insulated, the part of high intensity is fixed on the fixed part
On position, the material of the part is the one or more in polyurethane, glass cloth laminated board, polyether-ether-ketone.
Further, at least one of the first encapsulation end cap and the second encapsulation end cap encapsulation end cap have simultaneously
There are the first wall for being mutually perpendicular to and extending, the second wall, third wall and the 4th wall, i.e. the two end cover structures can have 4 simultaneously
The structure of a wall either only there are one end cap be 4 walls structure and another end cap have 1 wall or 2 walls, as long as energy
It is hermetically sealed form after being fixed after closing there are side and third encapsulation side cover to realize two potted ends cover buckles；In fact, institute
This may be more than by stating the actual quantity of wall possessed by the first encapsulation end cap or the second encapsulation end cap, and aforementioned quantity is to protect
The lowest term that card number of elements is minimum, most simply assembles.
Further, the material of the first encapsulation end cap and the second encapsulation end cap is identical, exhausted to have after pretreatment
The aluminium alloy or fibre reinforced materials of edge, antiseptic property.The pretreatment is using processing technology of the same race, same surface treatment
Method such as plasma sprayed ceramic, application or bonding insulating layer, it is possible to reduce process and equipment usage amount are also beneficial to processing system
It makes.In addition same material has same property, is unlikely to generate metal galvanic corrosion and thermal stress deformation.
Further, the fixed structure portion and the body construction portion are two independent structures or integral structure；
The intensity in the fixed structure portion is slightly below the body construction portion；When being independent structure, the fixed structure portion is from dress
It is fixed with top or lower part that the body construction portion is on position and by fastener.Therefore close to the described of external force source
Fixed structure portion can occur to destroy and detach in advance, and the fixed structure portion far from external force source will not destroy, and use
To protect the body construction portion unaffected.
Tritionally, the first encapsulation end cap is an equal strength overall structure, when fuel cell module by vehicle frame or
When mounting seat is by powerful external force, it may occur that destroy, in turn result in a series of damages, result even in hydrogen leakage, production
Raw security risk.And the active position of transferance power as far as possible is capable of in aforementioned design, reduces operating distance, it is advantageously ensured that
The integrality of fuel cell module, so as to reduce security risk.It may be very excellent that design compact in this way, which has effect,
's.
Further, the fixed structure portion has to install fixed at least one through-hole and lift the spiral shell used
Pit can also set the reinforcing rib of booster action.
Further, the side of sidewall portion in the body construction portion has multiple vertical strengthening ribs, the bottom in the body construction portion
Portion or top have a latticed reinforcing rib, and the thickness of the vertical strengthening ribs and the latticed reinforcing rib is the body construction
0.5~2 times of the side of sidewall portion thickness in portion.The vertical strengthening ribs 1.2.1 and latticed reinforcing rib 1.2.2 are to the body construction
The rigidity in portion 1.2 promotes factor that is apparent, while considering the feasibility processed, technique and die cost, the vertical reinforcement
The configuration and thickness of muscle 1.2.1 and latticed reinforcing rib 1.2.2 must carry out corresponding design optimization.
Further, the outer surface of the second encapsulation end cap has at least one recess portion and at least one protrusion, described
Recess portion and the protrusion are arranged alternately to form the transitional surface of variation, for promoting the knot of the second encapsulation end cover surface
Structure rigidity and aesthetics play an important role.The design concept that bumps combine is being assigned suitable for high-volume, the part of rapid shaping
Part stiffness adds much beauty to while promotion for the attractive and durable of part.
Further, fixation kit described in three groups is at least set, and the fixation kit includes：Two elasticity coaxially assembled
Element, a thin-walled cylinder and a thin plate annulus；The height of the thin-walled cylinder is less than 2 times of the elastic element height.
One elastic element is is sleeved on the thin-walled cylinder by the assemble sequence of fixation kit, and ring flange is upward, by another
The elastic element is also sleeved on the thin-walled cylinder, but ring flange is downward, between this two ring flange to the fixed knot
Structure portion is assembled, and the thin wall circular is positioned on the topmost ring flange of above structure, further uses encapsulation fastener
Fixation of the fuel cell module to vehicle frame or other mounting brackets is realized after being in direct contact with the thin wall circular.Due to the bullet
The deformation of property element itself may insure its close contact with the fixed structure portion and the thin-walled cylinder, reduce to institute
State the manufacture requirement in fixed structure portion, while this structure held tightly mutually to install more convenient, will not occur to slip existing
As.The thin wall circular can be ensured that fastening force stepless action on the elastic element, due to the thin-walled cylinder height
Less than 2 times of the elastic element height, allow for touching before reaching the elastic element compression limit and reaching in this way
The thin-walled cylinder, plays protective effect.
Further, the elastic element is the hollow cylinder for having certain thickness ring flange, in the ring flange
Heart aperture is less than the concentric circle holes aperture of non-lip region；The elastic element can be made to install and use initially in this way
Material in journey at ring flange center hole is not acted on by transition compression or the thin-walled cylinder extruding, can improve its longevity
Life reduces the possibility destroyed or cracked.The material of the elastic element is resin or rubber, and shore A type hardness testers are not small
In 70 (HA), in general, relatively hard material should be used, such material can bear the pretightning force of the fastener without
It destroys, while damping effect is fine.Either resin and rubber all have excellent insulation performance, it can be ensured that fuel cell mould
Block and vehicle or it is support bracket fastened be isolated, especially under fuel cell operation status, be only in this way conducive to by forcing to examine
It surveys, safely serves user.
Compared with the prior art, the present invention consider manufacture craftsmanship, assembling convenience, the integrality of function, can
By property, the aesthetics of part, encapsulation and fixed function are realized, while make encapsulation and fixed function with minimum number of parts
Have the ability of separation, from the angle for advantageously reducing risk, have that devise several places simple and excellent in mind at details
Structure, the different application occasion installed and used suitable for fuel cell module.This mould fuel cell module encapsulation and fixed knot
Structure contributes to reduction manufacture cost, promotion damping property, what is more important to also help protection fuel cell module integrality.
The present invention can be widely popularized in Proton Exchange Membrane Fuel Cells field for the foregoing reasons.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to do simply to introduce, it should be apparent that, the accompanying drawings in the following description is this hair
Some bright embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the schematic diagram of fuel cell module packaging and fixed structure of the present invention.
Fig. 2 is the schematic diagram of the first encapsulation end cap of fuel cell module packaging and fixed structure of the present invention.
Fig. 3 is the proj ected bottom figure of the first encapsulation end cap of fuel cell module packaging and fixed structure of the present invention.
Fig. 4 is the schematic diagram of the second encapsulation end cap of fuel cell module packaging and fixed structure of the present invention.
Fig. 5 is the fixation kit of fuel cell module packaging and fixed structure of the present invention and the schematic diagram of elastic element.
Fig. 6 is the signal of the specific embodiment of the first encapsulation end cap of fuel cell module packaging and fixed structure of the present invention
Figure.
In figure：1st, the first encapsulation end cap, 1.1, fixed structure portion, 1.1.1, fastener, 1.1.2, through-hole, 1.1.3, screw thread
Hole, 1.1.4, reinforcing rib, 1.10, fixed position, 1.2, body construction portion, 1.2.1, vertical strengthening ribs, 1.2.2, it is latticed plus
Strengthening tendons, the 2, second encapsulation end cap, 2.1, recess portion, 2.2, protrusion, 3, third encapsulation side cover, 4, fixation kit, 4.1, elastic element,
4.2nd, thin-walled cylinder, 4.3, thin wall circular, 10, fuel cell pile.
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
All other embodiments obtained without making creative work shall fall within the protection scope of the present invention.
As shown in Figure 1, a kind of fuel cell module packaging and fixed structure, including：
First encapsulation end cap 1, including body construction portion 1.2 and the fixed structure being arranged in the body construction portion 1.2
Portion 1.1, this two parts are splits or integrated.The body construction portion 1.2 is with receiving fuel cell pile 10
The semi-enclosed accommodating chamber of at least one complete end face；The complete end face is the bottom surface of fuel cell pile 10 in figure, should
Fuel cell pile 10 be by rear end end plate, insulation board, collector plate, battery pack (containing Multilayer Film Electrode and bipolar plates), collector plate,
Integral, to complete to fasten by fixing piece laminate structure is laminated in insulation board and front end end plate.
Second encapsulation end cap 2 has the accommodating chamber knot to match with the body construction portion 1.2 of the described first encapsulation end cap 1
Structure, and be linked and packed integrally in arrangement up and down by encapsulating fastener with the described first encapsulation end cap 1；
Third encapsulates side cover 3, and the fuel cell pile 10 is wrapped in the side open surface fixation with the described first encapsulation end cap 1
It is rolled in the accommodation space of its formation, 10 upper part of fuel cell pile is by the described second encapsulation end cap 2 and described the
One encapsulation end cap 1 fastens the totally enclosed type accommodating chamber for encapsulating with the third formed after side cover 3 is fastened again and is included；First
Encapsulation end cap 1 and third are encapsulated after the completion of side cover 3 connect by encapsulating fastener, then with the second encapsulation end cap 2 by encapsulation tightly
Firmware connects.In general, before the second encapsulation end cap 2 is installed, the connection of associated cable of fuel cell pile can be carried out with consolidating
Surely related works are waited, part cable is also had and encapsulates side cover 3 across third.Such assemble sequence is conducive to fuel cell pile
10 assembling positioning and follow-up wiring and the completion of piping work, while can ensure that sealing is achieved again.
Fixation kit 4, for the fixation of the fixed structure portion 1.1 and vehicle frame or other mounting brackets, described fixed group
Part 4 and the fixed structure portion 1.1 collectively constitute the fixed structure of the fuel cell module.
The first encapsulation end cap 1, which has, is used for the fixed position for receiving the fuel cell pile 10 at least one
1.10, the fuel cell pile 10 by it is at least one have do not absorb water, be electrically insulated, the part of high intensity be fixed on it is described solid
To determine on position 1.10, the material of the part is the one or more in polyurethane, glass cloth laminated board, polyether-ether-ketone,
But it is not limited to the above-mentioned several materials enumerated.
In the present embodiment, the first encapsulation end cap 1 and second encapsulates end cap 2 and is respectively provided with first for being mutually perpendicular to and extending
Wall, the second wall, third wall and the 4th wall.In fact, possessed by the first encapsulation end cap 1 or the second encapsulation end cap 2
The actual quantity of wall may be more than this, and aforementioned quantity is the lowest term for ensureing that number of elements is minimum, most simply assembling.At it
In his embodiment, the second encapsulation end cap 2 has the first wall and the second wall for being mutually perpendicular to and extending, as long as two encapsulation can be realized
End cap is hermetically sealed form after being fixed after fastening there are side and third encapsulation side cover.
First encapsulation end cap 1 is identical with the second encapsulation 2 material of end cap, is aluminium alloy or fibre reinforced materials, by locating in advance
Reason has insulation, antiseptic property.Use processing technology of the same race, same surface treatment method such as plasma sprayed ceramic, application
Or bond insulating layer, it is possible to reduce process and equipment usage amount are also beneficial to fabricate.In addition same material has similary
Property, be unlikely to generate metal galvanic corrosion and thermal stress deformation.
In the present embodiment, the fixed structure portion 1.1 and the body construction portion 1.2 are two independent structures, are led to
It crosses assembly relation and forms one, such as fix using fastener 1.1.1.In Fig. 1, fixed structure portion 1.1 is located at body construction portion
1.2 lower part, here corresponding to the fixed point of entire fuel cell module.It is allowed using different materials or different structure designs
Intensity of the fixed structure portion 1.1 in the case where bearing powerful external force effect is slightly below body construction portion 1.2, therefore close to external force source
Fixed structure portion 1.1 can occur to destroy and detach in advance, and the fixed structure portion 1.1 far from external force source will not destroy,
To protect body construction portion 1.2 unaffected.Fixed structure portion 1.1 or fastener 1.1.1 are destroyed, it is possible to accomplish this
A bit.The active position of transferance power as far as possible is capable of in aforementioned design, reduces operating distance, it is advantageously ensured that fuel cell
The integrality of module, so as to reduce security risk.It may be very excellent that design compact in this way, which has effect,.Convention
Ground, integrated structure can by cast, be machined or injection molding obtain.First encapsulation end cap 1 is whole for an equal strength
Body structure, when fuel cell module by vehicle frame or mounting seat by powerful external force when, it may occur that destroy, in turn result in
A series of damages result even in hydrogen leakage, generate security risk.In another embodiment, as shown in fig. 6, the first potted ends
Lid 1 is a non-equicohesive overall structure, fixed structure portion 1.1 is allowed to hold using different materials or different structure designs
Intensity under being acted on by powerful external force is slightly below body construction portion 1.2, therefore can be carried close to the fixed structure portion 1.1 in external force source
It is preceding to occur to destroy and detach, and the fixed structure portion 1.1 far from external force source will not destroy, to protect body construction portion
It is 1.2 unaffected.
The fixed structure portion 1.1 has to install fixed at least one through-hole 1.1.2 and lift the screw thread used
Hole 1.1.3, there may also be the reinforcing rib 1.1.4 for playing booster action in fixed structure portion 1.1.Fixed structure portion 1.1 at least 3
Place, at least 3 groups of the fixation kit 4, by least three encapsulate fastener 1.1.1 complete fuel cell module to vehicle frame or its
The fixation of his mounting bracket.
As shown in Figure 2,3, the side of sidewall portion in the body construction portion 1.2 has multiple vertical strengthening ribs 1.2.1, the ontology
The bottom or top of structural portion 1.2 have latticed reinforcing rib 1.2.2, the vertical strengthening ribs 1.2.1 and it is described it is latticed plus
The thickness of strengthening tendons 1.2.2 is 0.5~2 times of the side of sidewall portion thickness in the body construction portion 1.2.Vertical strengthening ribs 1.2.1 is to this
The rigidity of body structural portion 1.2 is promoted apparent and is conducive to mold.In general, the feasibility, technique and mold in view of processing into
After this factor, the configuration and thickness of vertical strengthening ribs 1.2.1 and latticed reinforcing rib 1.2.2 must be set as previously described
Meter optimization.
As shown in figure 4, the outer surface of the second encapsulation end cap 2 has at least one recess portion 2.1 and at least one protrusion
2.2, the recess portion 2.1 and the protrusion 2.2 are arranged alternately to form the transitional surface of variation, for promoting the second potted ends
The rigidity of structure and aesthetics on 2 surface of lid play an important role.The design concept that bumps combine is suitable for high-volume, rapid shaping
Part makes part more attractive durable while assigning part stiffness and being promoted.
As shown in figure 5, the fixation kit 4 includes：Two elastic elements coaxially assembled, 4.1, thin-walled cylinders 4.2
With a thin plate annulus 4.3；The height of the thin-walled cylinder 4.2 is less than 2 times of 4.1 height of elastic element.Assemble sequence
For an elastic element 4.1 is sleeved on thin-walled cylinder 4.2, ring flange is upward, another elastic element 4.1 is also sleeved on described
On thin-walled cylinder 4.2, but ring flange is downward, to be assembled with fixed structure portion 1.1 between this two ring flange, by thin wall circular
4.3 are positioned on the topmost ring flange of above structure, further use encapsulation fastener and are in direct contact with thin wall circular 4.3
Fixation of the fuel cell module to vehicle frame or other mounting brackets is realized afterwards.Due to elastic element 4.1, the deformation of itself can be true
Its close contact with fixed structure portion 1.1 and thin-walled cylinder 4.2 is protected, reduces the manufacture requirement to fixed structure portion 1.1, together
When this structure held tightly mutually to install more convenient, slip phenomenon will not occur.Thin wall circular 4.3 can be ensured that fastening
Power stepless action is on elastic element 4.1, since 4.2 height of thin-walled cylinder is less than 2 times of 4.1 height of elastic element, in this way
It allows for touching thin-walled cylinder 4.2 before reaching 4.1 compression limit of elastic element and reaching, plays protective effect.In addition,
Elastic element 4.1 is the hollow cylinder for having certain thickness ring flange, and the center bore of ring flange is slightly less than non-ring flange
The concentric circle holes aperture in region.It can make elastic element 4.1 during the initial installation and use at ring flange center hole in this way
Material not by transition compression or 4.2 extrudings of the thin-walled cylinder acted on, can improve its service life, reduce destroy or generation
The possibility of crackle.According to the present invention, the material of elastic element 4.1 is resin or rubber, and shore A type hardness testers are not less than 70
(HA).In general, relatively hard material should be used, such material can bear the pretightning force of the fastener without broken
It is bad, while damping effect is fine.Either resin and rubber all have excellent insulation performance, it can be ensured that fuel cell module
With vehicle or it is support bracket fastened be isolated, especially under fuel cell operation status, be only in this way conducive to through compulsory test,
Safely serve user.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to
Can so modify to the technical solution recorded in foregoing embodiments either to which part or all technical features into
Row equivalent replacement；And these modifications or replacement, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of fuel cell module packaging and fixed structure, which is characterized in that including：
First encapsulation end cap (1), including body construction portion (1.2) and the fixed knot being arranged on the body construction portion (1.2)
Structure portion (1.1), the body construction portion (1.2) are half at least one complete end face for accommodating fuel cell pile (10)
Closed accommodating chamber；
Second encapsulation end cap (2) has the accommodating chamber to match with the body construction portion (1.2) of the described first encapsulation end cap (1)
Structure, and with the described first encapsulation end cap (1) in upper and lower arrangement；
Third encapsulation side cover (3), the side open surface fixation with the described first encapsulation end cap (1) is by the fuel cell pile (10)
Be wrapped in its formation accommodation space in, fuel cell pile (10) upper part by described second encapsulation end cap (2) with
The first encapsulation end cap (1) fastens the totally enclosed type accommodating chamber for encapsulating with the third formed after side cover (3) is fastened again
Comprising；
Fixation kit (4), for the fixation of the fixed structure portion (1.1) and vehicle frame or other mounting brackets, described fixed group
Part (4) and the fixed structure portion (1.1) collectively constitute the fixed structure of the fuel cell module.
2. fuel cell module packaging and fixed structure according to claim 1, which is characterized in that the first encapsulation end cap
(1) have and the fixed position (1.10) for receiving the fuel cell pile (10), the fuel cell pile are used at least one
(10) by it is at least one have do not absorb water, be electrically insulated, the part of high intensity is fixed on the fixed position (1.10), described
The material of part is polyurethane, the one or more in glass cloth laminated board, polyether-ether-ketone.
3. fuel cell module packaging and fixed structure according to claim 1, which is characterized in that the first encapsulation end cap
(1) and second encapsulation end cap at least one of (2) encapsulation end cap has the first wall for being mutually perpendicular to and extending, the simultaneously
Two walls, third wall and the 4th wall.
4. fuel cell module packaging and fixed structure according to claim 1, which is characterized in that the first encapsulation end cap
(1) it is identical with the material of the second encapsulation end cap (2), after pretreatment to there is insulation, the aluminium alloy of antiseptic property or fiber to increase
Strong material.
5. fuel cell module packaging and fixed structure according to claim 1, which is characterized in that the fixed structure portion
(1.1) and the body construction portion (1.2) is two independent structures or integral structure；The fixed structure portion (1.1)
Intensity is less than the body construction portion (1.2)；The fixed structure portion (1.1) is in the body construction portion from rigging position
(1.2) top or lower part and to pass through fastener (1.1.1) fixed.
6. fuel cell module packaging and fixed structure according to claim 1, which is characterized in that the fixed structure portion
(1.1) have for installing fixed at least one through-hole (1.1.2) and lifting the threaded hole (1.1.3) used, can also set
Play the reinforcing rib (1.1.4) of booster action.
7. fuel cell module packaging and fixed structure according to claim 1, which is characterized in that the body construction portion
(1.2) side of sidewall portion has multiple vertical strengthening ribs (1.2.1), and the bottom or top of the body construction portion (1.2) have net
The thickness of trellis reinforcing rib (1.2.2), the vertical strengthening ribs (1.2.1) and the latticed reinforcing rib (1.2.2) is described
0.5~2 times of the side of sidewall portion thickness in body construction portion (1.2).
8. fuel cell module packaging and fixed structure according to claim 1, which is characterized in that the second encapsulation end cap
(2) outer surface has at least one recess portion (2.1) and at least one protrusion (2.2), the recess portion (2.1) and the protrusion
(2.2) it is arranged alternately to form the transitional surface of variation.
9. fuel cell module packaging and fixed structure according to claim 1, which is characterized in that at least set described in three groups
Fixation kit (4), the fixation kit (4) include：Two elastic elements (4.1), the thin-walled cylinder (4.2) coaxially assembled
With a thin plate annulus (4.3)；The height of the thin-walled cylinder (4.2) is less than 2 times of the elastic element (4.1) height.
10. fuel cell module packaging and fixed structure according to claim 9, which is characterized in that the elastic element
(4.1) it is the hollow cylinder with certain thickness ring flange, the center bore of the ring flange is less than non-lip region
Concentric circle holes aperture；The material of the elastic element (4.1) is resin or rubber, and shore A type hardness testers are not less than 70 (HA).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711387399.3A CN108206297A (en) | 2017-12-20 | 2017-12-20 | A kind of fuel cell module packaging and fixed structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711387399.3A CN108206297A (en) | 2017-12-20 | 2017-12-20 | A kind of fuel cell module packaging and fixed structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108206297A true CN108206297A (en) | 2018-06-26 |
Family
ID=62605798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711387399.3A Pending CN108206297A (en) | 2017-12-20 | 2017-12-20 | A kind of fuel cell module packaging and fixed structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108206297A (en) |
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| CN112397757A (en) * | 2020-11-13 | 2021-02-23 | 上海捷氢科技有限公司 | Fuel cell stack packaging structure, packaging box body thereof and cell structure |
| CN113707928A (en) * | 2021-08-10 | 2021-11-26 | 一汽解放汽车有限公司 | Stack packaging module and fuel cell stack device |
| CN115360464A (en) * | 2022-09-19 | 2022-11-18 | 厦门海辰储能科技股份有限公司 | End plate and energy storage device |
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