CN209675418U - It is a kind of permanent away from formula fuel cell pile frame structure - Google Patents
It is a kind of permanent away from formula fuel cell pile frame structure Download PDFInfo
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- CN209675418U CN209675418U CN201920661948.XU CN201920661948U CN209675418U CN 209675418 U CN209675418 U CN 209675418U CN 201920661948 U CN201920661948 U CN 201920661948U CN 209675418 U CN209675418 U CN 209675418U
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- fixed strip
- charge method
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- end plate
- fuel cell
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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
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Abstract
The utility model relates to fuel cell system applications fields, it discloses a kind of permanent away from formula fuel cell pile frame structure, including two pieces of fixed charge method end plates, side fixed strip and fixed strip, fixed charge method end plate includes stationary plane and flange, side fixed strip and fixed strip both ends are equipped with corresponding riveted holes with flange, the angle riveting corresponding with the flange on two pieces of fixed charge method end plates respectively of side fixed strip both ends, fixed strip is between the fixed strip of side, fixed strip both ends are riveted with the flange middle part on two pieces of fixed charge method end plates respectively, fixed charge method end plate, side fixed strip and fixed strip form cuboid framework structure, two positioning columns are additionally provided between the stationary plane of fixed charge method end plate, two positioning columns are located on two diagonally opposing corners of cuboid framework structure.The utility model fixes two pieces of fixed charge method end plates by side fixed strip and fixed strip riveting, simplifies processing parameter setting when assembled, and can guarantee to compress uniformly between single battery, improves the performance of fuel cell pile, shortens assembly time.
Description
Technical field
The utility model relates to fuel cell system applications fields, more particularly, to a kind of perseverance away from formula fuel cell pile frame
Frame structure.
Background technique
Be converted into the power generator of electric energy as a kind of no pollution, efficient chemical energy source, fuel cell system heavy duty,
There is preferable usage economy in scenes on long continuation of the journey load-carrying vehicle and motor bus etc..Fuel cell voltage only has 0.7V left
It is right, during actual use to need multiple single battery assembled in series into fuel cell pile, fuel cell pile is fuel
The core component of battery system, the performance of fuel cell pile and the reasonability of assembling manufacturing directly influence fuel cell system
Performance and use.On the one hand the design of fuel pile assembling frame needs to guarantee the good performance of Performance data, in addition a side
Face also needs to meet pile assembly technology requirement, is the important component that pile packaging technology technology is realized.
In the prior art, fuel cell pile is alternately stacked by several single batteries and sealing ring, and when assembling is usually used
It is tightened after constant pressure compression with pull rod and bolt, so that the contact of electrode, diffusion layer, bipolar plates is good, and hydrogen circuit and air return
There can be no gas leak phenomenons on road.For example, in Chinese patent literature disclosed " a kind of fuel cell pile assembling device ",
Notification number CN202333047U, including electronic universal tester and computer (containing program software).Electronic universal tester mainly by
Column, moving beam, pressure sensor, top board, lower platen and table top composition.Assemble method is the fuel cell for folding heap
Pile is placed on lower platen, and the program of loading force is arranged, and opening program can exert a force to pile, when the group for reaching requirement
Program protects load automatically when filling power, is fastened pile with screw rod and nut.
But because single battery size is different, the sealing ring shape and size between single battery are different, constant pressure assembling
Need to do a large amount of experiment before pile to verify the reasonability of technological parameter, and Conventional press is oil pressure compressor, output
Pressure precision it is not high, constant-voltage method assembling pile when pressure fluctuation be easy to cause the overcompression of pile sealing ring or decrement not
Enough phenomenons lead to pile gas leakage.On the other hand, bolt fastening needs artificial progress tightening operation, and pressing force is uneven, influences
The performance of pile power density.Meanwhile excessive fastening bolt fixed effect pile assembly efficiency, it is unfavorable for automating on a large scale
Production.
Summary of the invention
The utility model be in order to overcome in the prior art using constant-voltage method assembling fuel cell pile, and it is solid using bolt
Periodically, because single battery size is different, the sealing ring shape and size between single battery are different, constant pressure assemble pile it
Preceding needs do a large amount of experiment to verify the reasonability of technological parameter；The fluctuation of pressure is easy to cause pile sealing ring mistake when assembling
Compression or the inadequate phenomenon of decrement, lead to pile gas leakage；And bolt fastening needs artificial progress tightening operation, pressing force is not
Uniformly, the performance of pile power density is influenced；Meanwhile excessive fastening bolt fixed effect pile assembly efficiency, it is unfavorable for big
The problem of scale automated production, provide it is a kind of perseverance away from formula fuel cell pile frame structure, simplify fuel cell pile group
Processing parameter setting when dress, while can accurately guarantee to compress uniformly between single battery again, improve fuel cell pile
Performance, and shorten the assembly time of fuel cell pile, assembly manipulation be mass produced.
To achieve the goals above, the utility model uses following technical scheme:
It is a kind of permanent away from formula fuel cell pile frame structure, including be oppositely arranged two pieces of fixed charge method end plates, for connecting two
The side fixed strip at the corresponding angle of block fixed charge method end plate and for connecting the fixed strip in the middle part of two pieces of fixed charge method end plates, fixed charge method end plate packet
It includes stationary plane and the perpendicularly inward flange being bent to form of stationary plane surrounding, side fixed strip and fixed strip both ends and is equipped with phase with flange
Corresponding riveted holes, angle riveting corresponding with the flange on two pieces of fixed charge method end plates, fixed strip are located at respectively at side fixed strip both ends
Between the fixed strip of side, fixed strip both ends are riveted in the middle part of flange on two pieces of fixed charge method end plates respectively, fixed charge method end plate, side fixed strip and
Fixed strip forms cuboid framework structure, is additionally provided with two positioning columns between the stationary plane of fixed charge method end plate, two positioning columns are located at
On two diagonally opposing corners of cuboid framework structure.
When fuel cell pile assembles, first single battery and sealing ring are stacked after forming pile, in the pile that heap is folded
Insulation board is placed at both ends, then two pieces of fixed charge method end plates are individually positioned in outside the insulation board at both ends, then will be stacked using compressor
After pile well, insulation board and fixed charge method end plate reduced overall to pile theoretical distance, side fixed strip and fixed strip are passed through into staking
Technique is connect with fixed charge method end plate, and assembling can be completed.
When stacking to single battery, two opposite angles of each single battery are logical equipped with allowing positioning column to pass through
Hole facilitates the stacking of single battery to grasp to the pre-determined bit of single battery when two positioning columns realization by passing through through-hole stacks
Make, reduces and stack the time, the accuracy of stacking is improved, to improve the overall performance of fuel cell pile.
Two pieces of fixed charge method end plates are fixed by side fixed strip and fixed strip riveting, side fixed strip and fixed strip both ends riveted holes
Distance can be calculated according to sealing ring theoretical compression amount between single battery theoretic throat and single battery, simplify work
Skill parameter setting, in the same plane because of the riveted holes on side fixed strip and fixed strip, pitch of holes can accurately guarantee, to protect
The accurate of pile general assembly size is demonstrate,proved, after pile is completed, the compression ratio of the sealing ring between single battery is consistent.
Side fixed strip and fixed strip can freely be adjusted according to pile length, and fixed charge method end plate is die sinking part, in single battery
It can be shared under the premise of size constancy, realize inexpensive flexibility assembly.Side fixed strip and fixed strip and fixed charge method end plate use
The mode of riveting is fixed, and can be assembled with riveting gun with bolt stationary phase ratio, without manually fastening, pressing force is equal
It is even, it will not influence the performance of pile power density；And assembly time is shortened, is conducive to be mass produced；Be welded and fixed
It is repaired compared to convenient for later maintenance.
Preferably, side fixed strip is the L-type structure being made of two orthogonal mounting surfaces, two mounting surface both ends
Riveted holes are respectively equipped with, two mounting surfaces are riveted with two adjacent flange of fixed charge method end plate respectively.The side fixed strip of L-type can be with
For for metal plate bending and molding part, two mounting surfaces are riveted with two adjacent flange of fixed charge method end plate respectively, fixing end ensure that
Plate angle portion two sides uniform force, and the available effective fixation of four corners and connection, the pile rib portion in frame can obtain
To effective protection.
Preferably, the junction that two mounting surfaces of item are consolidated in side is equipped with rounded corner.In the intersection setting of two mounting surfaces
Rounded corner can mitigate the sharpness in side fixed strip rib portion, avoid staff in assembly and to assembled fuel cell
It is injured when pile is carried and transported.
Preferably, being equipped with fixed strip reinforcing rib between the riveted holes at fixed strip both ends.Increase fixed strip intensity and
Rigidity is effectively carried and is protected to the pile in frame, and overall structure is unlikely to deform and damages.
Preferably, fixed strip reinforcing rib is the protrusion that cross section is in oblong, fixed strip reinforcing rib center is equipped with loss of weight
Through-hole.The weight of fixed strip can be mitigated, while increasing the stiffness and strength of fixed strip to mitigate fuel cell pile
Total weight is readily transported and uses.
Preferably, the flange of fixed charge method end plate is equipped with the pile pilot hole for fuel cell pile assembly, the electricity
Heap pilot hole is staggered with the riveted holes on flange.Pile pilot hole is set on the flange of fixed charge method end plate, convenient for pile and
The assembly of fixed charge method end plate, pile pilot hole are staggered with riveted holes, make fixed charge method end plate and the whole uniform force everywhere of pile, no
It will affect the overall performance of pile.
Preferably, the stationary plane of fixed charge method end plate is equipped with the relief hole for taking electricity or input and output gas for pile, facilitate combustion
Expect the use of battery stack.
Preferably, being equipped with several fixed charge method end plate reinforcing ribs on the outside of the stationary plane of fixed charge method end plate, the fixed charge method end plate is reinforced
Muscle includes mutually perpendicular transverse reinforcing tendons and longitudinal reinforcing tendons, forms loss of weight between the transverse reinforcing tendons and longitudinal reinforcing tendons
Slot.Fixed charge method end plate can be formed using high-voltage cast-aluminum, alleviate weight under the premise of guaranteeing stiffness and strength, and realize
Function is integrated and low-coat scale metaplasia produces.
Therefore, the utility model has the following beneficial effects:
(1) two pieces of fixed charge method end plates are fixed by side fixed strip and fixed strip riveting, the distance between fixed charge method end plate can be with
It is calculated according to sealing ring theoretical compression amount between single battery theoretic throat and single battery, simplifies technological parameter and set
It is fixed, while can accurately guarantee to compress between single battery again uniform；
(2) side fixed strip and fixed strip are fixed by the way of riveting with fixed charge method end plate, can be used with bolt stationary phase ratio
Riveting gun is assembled, and without manually fastening, pressing force is uniform, will not influence the performance of pile power density；And it contracts
Short assembly time, is conducive to be mass produced；
(3) side fixed strip and fixed strip can freely be adjusted according to pile length, and fixed charge method end plate is die sinking part, in monomer electricity
It can be shared under the premise of pool size is constant, realize inexpensive flexibility assembly；
(4) be integrated on fixed charge method end plate the fixed riveted holes of side fixed strip and fixed strip, pile pilot hole, pile take electricity or
Relief hole, reinforcing rib and the weight loss groove to be fenced up by reinforcing rib of input and output gas etc., fixed charge method end plate are guaranteeing stiffness and strength
Under the premise of realize that function is integrated and low-coat scale metaplasia produces.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the utility model；
Fig. 2 is a kind of structural schematic diagram of fixed charge method end plate；
Fig. 3 is a kind of structural schematic diagram of side fixed strip；
Fig. 4 is a kind of structural schematic diagram of fixed strip.
In figure: 1 fixed charge method end plate, 101 stationary planes, 102 flange, 103 pile pilot holes, 104 relief holes, 105 fixed charge method end plates
Reinforcing rib, 106 weight loss grooves, 2 side fixed strips, 201 rounded corners, 3 fixed strips, 301 fixed strip reinforcing ribs, 302 loss of weight through-holes, 4 are determined
Position column, 5 riveted holes, 6 single batteries.
Specific embodiment
The utility model is further described with specific embodiment with reference to the accompanying drawing.
Embodiment:
It is a kind of permanent away from formula fuel cell pile frame structure in embodiment as shown in Figure 1, including two pieces be oppositely arranged
Fixed charge method end plate 1, four for connect the corresponding angle of two pieces of fixed charge method end plates side fixed strip 2 and four for connect two pieces consolidate
Fixed strip 3 in the middle part of the plate of fixed end.
Fixed charge method end plate 1 is high-voltage cast-aluminum molded part, as shown in Fig. 2, fixed charge method end plate includes stationary plane 101 and stationary plane surrounding
The perpendicularly inward flange 102 being bent to form, the flange of fixed charge method end plate are equipped with the riveting for connecting with side fixed strip and fixed strip
Hole 5 and the pile pilot hole 103 for fuel cell pile assembly are connect, pile pilot hole is staggeredly set with the riveted holes on flange
It sets.The stationary plane of fixed charge method end plate, which is equipped with, is used for the relief hole 104 that pile takes electricity or input and output gas, outside the stationary plane of fixed charge method end plate
Side is equipped with several fixed charge method end plate reinforcing ribs 105, and fixed charge method end plate reinforcing rib includes mutually perpendicular cross reinforcing and longitudinally reinforced
Muscle forms weight loss groove 106 between transverse reinforcing tendons and longitudinal reinforcing tendons.
Side fixed strip 2 is metal plate bending and molding part, as shown in figure 3, side fixed strip is by two orthogonal mounting surfaces
The L-type structure of composition, two mounting surface both ends are respectively equipped with riveted holes corresponding with fixed charge method end plate flange corner, two installations
Face is riveted with two adjacent flange of fixed charge method end plate respectively, and the junction that two mounting surfaces of item are consolidated in side is equipped with rounded corner 201.
Fixed strip 3 is punch forming part, as shown in figure 4, fixed strip both ends are respectively equipped with and phase in the middle part of fixed charge method end plate flange
Corresponding riveted holes are set between two riveted holes there are four fixed strip reinforcing rib 301, and fixed strip reinforcing rib is cross section in oval
The protrusion of shape, fixed strip reinforcing rib center are equipped with loss of weight through-hole 302.
Side fixed strip both ends are respectively by across the rivet angle corresponding with the flange on two pieces of fixed charge method end plates of riveted holes
Riveting, for fixed strip between the fixed strip of side, fixed strip both ends pass through the rivet and two pieces of fixed charge method end plates across riveted holes respectively
On flange in the middle part of riveting, fixed charge method end plate, side fixed strip and fixed strip form cuboid framework structure, the stationary plane of fixed charge method end plate
Between be additionally provided with two positioning columns 4, two positioning columns are located on two diagonally opposing corners of cuboid framework structure.By single battery 6
The pile formed is stacked to be located in frame structure.
When fuel cell pile assembles, first single battery and sealing ring are stacked after forming pile, in the pile that heap is folded
Insulation board is placed at both ends, then two pieces of fixed charge method end plates are individually positioned in outside the insulation board at both ends, then will be stacked using compressor
After pile well, insulation board and fixed charge method end plate reduced overall to pile theoretical distance, side fixed strip and fixed strip are passed through into staking
Technique is connect with fixed charge method end plate, and assembling can be completed.
When stacking to single battery, two opposite angles of each single battery are logical equipped with allowing positioning column to pass through
Hole facilitates the stacking of single battery to grasp to the pre-determined bit of single battery when two positioning columns realization by passing through through-hole stacks
Make, reduces and stack the time, the accuracy of stacking is improved, to improve the overall performance of fuel cell pile.
The distance of side fixed strip and fixed strip both ends riveted holes can according to single battery theoretic throat and single battery it
Between sealing ring theoretical compression amount be calculated, processing parameter setting is simplified, because the riveted holes on side fixed strip and fixed strip exist
On same plane, pitch of holes can accurately guarantee, to ensure that the accurate of pile general assembly size.
Claims (8)
1. it is a kind of perseverance away from formula fuel cell pile frame structure, characterized in that including be oppositely arranged two pieces of fixed charge method end plates (1),
For connecting the side fixed strip (2) at the corresponding angle of two pieces of fixed charge method end plates and for connecting the fixation in the middle part of two pieces of fixed charge method end plates
Item (3), the fixed charge method end plate include stationary plane (101) and the perpendicularly inward flange (102) being bent to form of stationary plane surrounding, described
Side fixed strip and fixed strip both ends are equipped with corresponding riveted holes (5) with flange, side fixed strip both ends respectively with two pieces
The corresponding angle riveting of flange on fixed charge method end plate, the fixed strip is between the fixed strip of side, and fixed strip both ends are respectively with two
Riveting in the middle part of flange on block fixed charge method end plate, the fixed charge method end plate, side fixed strip and fixed strip formation cuboid framework structure, two
Two positioning columns (4) are additionally provided between the stationary plane of block fixed charge method end plate, two positioning columns are located at two of cuboid framework structure
On diagonally opposing corner.
2. a kind of perseverance according to claim 1 is away from formula fuel cell pile frame structure, characterized in that the side fixed strip
For the L-type structure being made of two orthogonal mounting surfaces, two mounting surface both ends are respectively equipped with riveted holes, two mounting surfaces
It is riveted respectively with two adjacent flange of fixed charge method end plate.
3. a kind of perseverance according to claim 2 is away from formula fuel cell pile frame structure, characterized in that item two is consolidated in the side
The junction of a mounting surface is equipped with rounded corner (201).
4. a kind of perseverance according to claim 1 is away from formula fuel cell pile frame structure, characterized in that the fixed strip two
Fixed strip reinforcing rib (301) are equipped between the riveted holes at end.
5. a kind of perseverance according to claim 4 is away from formula fuel cell pile frame structure, characterized in that the fixed strip adds
Strengthening tendons are the protrusion that cross section is in oblong, and fixed strip reinforcing rib center is equipped with loss of weight through-hole (302).
6. a kind of perseverance according to claim 1 is away from formula fuel cell pile frame structure, characterized in that the fixed charge method end plate
Flange be equipped with the pile pilot hole (103) for fuel cell pile assembly, the riveting on the pile pilot hole and flange
Hole is connect to be staggered.
7. a kind of perseverance according to claim 1 or 6 is away from formula fuel cell pile frame structure, characterized in that the fixation
The stationary plane of end plate is equipped with the relief hole (104) that electricity or input and output gas are taken for pile.
8. a kind of perseverance according to claim 1 or 6 is away from formula fuel cell pile frame structure, characterized in that the fixation
Several fixed charge method end plate reinforcing ribs (105) are equipped on the outside of the stationary plane of end plate, the fixed charge method end plate reinforcing rib includes mutually perpendicular
Transverse reinforcing tendons and longitudinal reinforcing tendons form weight loss groove (106) between the transverse reinforcing tendons and longitudinal reinforcing tendons.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920661948.XU CN209675418U (en) | 2019-05-09 | 2019-05-09 | It is a kind of permanent away from formula fuel cell pile frame structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920661948.XU CN209675418U (en) | 2019-05-09 | 2019-05-09 | It is a kind of permanent away from formula fuel cell pile frame structure |
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| CN209675418U true CN209675418U (en) | 2019-11-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114628759A (en) * | 2020-12-14 | 2022-06-14 | 中国科学院大连化学物理研究所 | High-temperature fuel cell stack integrated structure |
| CN115207400A (en) * | 2022-06-28 | 2022-10-18 | 东风汽车集团股份有限公司 | Air inlet end plate, fuel cell stack, fuel cell system and vehicle |
-
2019
- 2019-05-09 CN CN201920661948.XU patent/CN209675418U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114628759A (en) * | 2020-12-14 | 2022-06-14 | 中国科学院大连化学物理研究所 | High-temperature fuel cell stack integrated structure |
| CN115207400A (en) * | 2022-06-28 | 2022-10-18 | 东风汽车集团股份有限公司 | Air inlet end plate, fuel cell stack, fuel cell system and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220608 Address after: 239599 Yangqiao industrial concentration area, Xianghe Town, Quanjiao County, Chuzhou City, Anhui Province Patentee after: Anhui Zhongneng Yuanjun Hydrogen Energy Technology Co.,Ltd. Address before: 241100 No.1, luofuhu Road, Wanyao Town, Wuhu City, Anhui Province Patentee before: Anhui Yuanjun Hydrogen Energy Research Institute Co.,Ltd. |
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| TR01 | Transfer of patent right |