CN217822901U - Lightweight galvanic pile convenient to equipment - Google Patents

Lightweight galvanic pile convenient to equipment Download PDF

Info

Publication number
CN217822901U
CN217822901U CN202221759347.0U CN202221759347U CN217822901U CN 217822901 U CN217822901 U CN 217822901U CN 202221759347 U CN202221759347 U CN 202221759347U CN 217822901 U CN217822901 U CN 217822901U
Authority
CN
China
Prior art keywords
end plate
plate
current collecting
bipolar
stack
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202221759347.0U
Other languages
Chinese (zh)
Inventor
杜洪伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Feisaier Hydrogen Energy Technology Co ltd
Original Assignee
Jiangsu Feisaier Hydrogen Energy Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Feisaier Hydrogen Energy Technology Co ltd filed Critical Jiangsu Feisaier Hydrogen Energy Technology Co ltd
Priority to CN202221759347.0U priority Critical patent/CN217822901U/en
Application granted granted Critical
Publication of CN217822901U publication Critical patent/CN217822901U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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

Landscapes

  • Fuel Cell (AREA)

Abstract

The utility model discloses a lightweight galvanic pile convenient to equipment, include: the upper end plate, lower end plate and locate the current collecting plate between the two, bipolar plate and membrane electrode, at the current collecting plate, both ends set up the otic placode respectively about bipolar plate and membrane electrode, set up first hydrogen gas port on the otic placode, set up a second hydrogen gas port respectively in the left and right sides of lower end plate, upper end plate and lower end plate are moulded plastics by carbon fiber reinforced nylon and are formed, set up the connecting pin that can fix the stay bolt on the lower end plate, it has a current collecting plate to stack on the lower end plate, interval piles up bipolar plate and membrane electrode on the current collecting plate, another current collecting plate has been stacked on the bipolar plate that lies in the top, it has the upper end plate to stack on this current collecting plate, the upper end plate suit is on the stay bolt, the cover is equipped with the elastic component on the stay bolt, threaded connection has lock nut on the stay bolt, lock nut screws and presses on the elastic component. The utility model has the advantages of can reduce weight, the equipment of being convenient for moreover.

Description

Lightweight galvanic pile convenient to equipment
Technical Field
The utility model relates to a galvanic pile encapsulation integrated technology field especially relates to a lightweight galvanic pile convenient to equipment.
Background
The electric pile comprises: the up end board, the end board down and locate the current collection board between the two, bipolar plate and membrane electrode, at the end board down, the current collection board, the left and right sides of bipolar plate and membrane electrode is provided with the hydrogen gas port respectively, the end board is arranged in the below, the insulation board has been placed on the end board down, the current collection board has been placed on the insulation board, interval pile up bipolar plate and membrane electrode on the current collection board, then the current collection board has been placed on the bipolar plate of the top, the insulation board has been placed on this current collection board, the up end board has been placed on this insulation board, then with the kludge, the current collection board, bipolar plate, membrane electrode and end board compress tightly, then lock up end board and end board down with the long bolt, the end board down, the current collection board, the hydrogen gas port with one side on bipolar plate and the membrane electrode aligns and forms the hydrogen passageway. The upper end plate and the lower end plate on the galvanic pile in the current market are made of metal materials, and when the galvanic pile is connected with a current collecting plate, an insulating plate needs to be arranged, and the weight of the galvanic pile can be greatly increased due to the upper end plate, the lower end plate and the insulating plate which are made of metal materials; when the bolts are connected, the long bolts need to be fixed, and the locking nuts need to be screwed, so that the operation is not changed, the pair twisting tightening cannot be well realized, the situation that the locking force of each long bolt is different is easy to occur, and the performance of the galvanic pile is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a lightweight galvanic pile convenient to assemble that can reduce weight, and can improve packaging efficiency.
In order to achieve the above object, the utility model adopts the following technical scheme: a lightweight stack for ease of assembly, comprising: the bipolar plate comprises an upper end plate, a lower end plate, a collector plate, a bipolar plate and a membrane electrode, wherein the collector plate, the bipolar plate and the membrane electrode are respectively provided with an ear plate at the left end and the right end, the two ear plates are respectively provided with a first hydrogen gas port, the left side and the right side of the lower end plate are respectively provided with a second hydrogen gas port, the upper end plate and the lower end plate are formed by injection molding of carbon fiber reinforced nylon, a plurality of connecting pins capable of fixing long bolts are uniformly distributed at the bottom of the lower end plate along the periphery, first cylindrical holes communicated with the connecting pins are sequentially arranged from top to bottom in the connecting pins, hexagonal holes and threaded holes are uniformly distributed at the top of the upper end plate along the periphery, a plurality of second cylindrical holes are respectively aligned with the first cylindrical holes one by one, long bolts penetrate through the first cylindrical holes upwards, hexagonal heads of the long bolts are clamped into the hexagonal holes, inner hexagonal bolts are in the threaded holes, the inner hexagonal bolts abut against the long bolts to fix the long bolts in the connecting pins, the collector plate is stacked on the lower end plate, the collector plate and the other collector plate are stacked on the collector plate, and the elastic bolt, and a nut is screwed on the collector plate, and is connected with a locking nut which extends out of the other collector plate.
Further, the lightweight galvanic pile convenient to equipment, wherein, be provided with a support boss respectively on upper end plate and lower end plate, support boss and the integrative injection moulding of upper end plate on the upper end plate, support boss and the integrative injection moulding of lower end plate on the lower end plate, two current collection plates stack respectively on upper end plate and the support boss of lower end plate, be provided with a sealed pad respectively between upper end plate and two otic placodes of the current collection plate that stacks on the upper end plate, be provided with a sealing washer respectively between two otic placodes of current collection plate on lower end plate and stack down the end plate.
Further, the height of the sealing ring and the sealing gasket is 1.5-2 mm higher than that of the supporting boss.
Further, the light weight galvanic pile convenient to assemble is characterized in that the support boss is provided with a plurality of weight reduction grooves.
Further, in the light weight galvanic pile convenient to assemble, an insulating sleeve is sleeved on the long bolt between the upper end plate and the lower end plate, and the top of the insulating sleeve is not in contact with the upper end plate.
Furthermore, the light-weight electric pile convenient to assemble is characterized in that the elastic piece is a compression spring, and a compression spring groove capable of containing the compression spring is formed in the upper end plate above the second cylindrical hole.
The utility model has the advantages that: 1. the upper end plate and the lower end plate are made of carbon fiber reinforced nylon, so that the connection strength can be ensured, and the weight can be reduced; 2. the left and right sides of the collector plate, the bipolar plate and the membrane electrode are respectively provided with an ear plate with a hydrogen gas port, and the weight of the left and right ends of the collector plate, the bipolar plate and the membrane electrode can be reduced by arranging the ear plates, so that the weight of the cell stack is reduced; 3. the lower end plate is provided with the connecting pin capable of fixing the long bolt, so that the long bolt can be installed in advance, and the locking nut can be directly screwed after the galvanic pile is compressed, so that diagonal tightening is facilitated, the assembly efficiency can be improved, and the consistency of the locking force of each bolt can be ensured; 4. the elastic piece on the long bolt applies an upward elastic force after being compressed by the locking nut, and the locking nut can be locked on the long bolt after being subjected to the elastic action, so that the locking nut is not easy to loosen.
Drawings
Fig. 1 is an explosion structure diagram of a lightweight galvanic pile convenient for assembly according to the present invention.
Fig. 2 is a schematic structural view of a main view direction of a light weight electric pile convenient for assembly.
Fig. 3 isbase:Sub>A schematic sectional view in the direction ofbase:Sub>A-base:Sub>A in fig. 2.
Detailed Description
The technical solution of the present invention will be further described with reference to the accompanying drawings and preferred embodiments.
Example one
As shown in fig. 1, fig. 2 and fig. 3, the light-weight electric pile convenient for assembly of the present invention includes: an upper end plate 1, a lower end plate 2, a collector plate 3, a bipolar plate 4 and a membrane electrode 5 arranged between the upper end plate and the lower end plate, wherein the left end and the right end of the collector plate 3, the bipolar plate 4 and the membrane electrode 5 are respectively provided with an ear plate 6, the two ear plates 6 are respectively provided with a first hydrogen port 61, and the lower end plate is provided with a second hydrogen port2 are respectively provided with a second hydrogen gas port 21 at the left and right sides, the upper end plate 1 and the lower end plate 2 are formed by carbon fiber reinforced nylon injection molding, the density of the carbon fiber reinforced nylon is 1.3g/cm 3 The weight is half of the same volume aluminum alloy, consequently adopt the weight of the upper end plate 1 and the lower end plate 2 that carbon fiber reinforcement nylon made to lighten half, because carbon fiber reinforcement nylon does not have electric conductivity, so upper end plate 1 and lower end plate 2 can directly contact with current collection plate 3 and place, need not to set up the insulation board, have further reduced the weight of pile.
The bottom of the lower end plate 2 is uniformly provided with a plurality of connecting pins 23 capable of fixing the long bolts 22 along the periphery, the connecting pins 23 are sequentially provided with a first cylindrical hole, a hexagonal hole and a threaded hole which are communicated from top to bottom, the top of the upper end plate 1 is uniformly provided with a plurality of second cylindrical holes along the periphery, the second cylindrical holes are respectively aligned with the first cylindrical holes one by one, the long bolts 22 penetrate through the first cylindrical holes upwards, the hexagonal heads 221 of the long bolts 22 are clamped into the hexagonal holes, the threaded holes are connected with inner hexagonal screws 24, the inner hexagonal screws 24 abut against the hexagonal heads 221 to fix the long bolts 22 in the connecting pins 23, the lower end plate 2 is stacked with a current collecting plate 3, bipolar plates 4 and membrane electrodes 5 are stacked on the current collecting plate 3 at intervals, another current collecting plate 3 is stacked on the bipolar plate 4 positioned at the uppermost side, the current collecting plate 3 is stacked with an upper end plate 1, the upper end plate 1 is sleeved on the long bolts 22 through the second cylindrical holes, the long bolts 22 extend out of the upper end plate 1, the long bolts 22 are sleeved with a compression spring 12, and a compression spring 13 is arranged on the compression spring 12 and can be tightly pressed on the long bolts 12 and connected with a compression spring 12. An insulating sleeve 14 is sleeved on the long bolt 22 positioned between the upper end plate 1 and the lower end plate 2, the top of the insulating sleeve 14 is not contacted with the upper end plate 1, and the insulating sleeve 14 can protect the long bolt 22.
Second embodiment, as an improvement of the previous embodiment, as shown in fig. 1, 2 and 3, a support boss 7 is provided on each of the upper end plate 1 and the lower end plate 2, the support boss 7 on the upper end plate 1 is formed by injection molding integrally with the upper end plate 1, the support boss 7 on the lower end plate 2 is formed by injection molding integrally with the lower end plate 2, a plurality of weight-reducing grooves 71 are provided on the support boss 7, the support boss 7 can enhance the strength of the upper end plate 1 and the lower end plate 2, the weight-reducing grooves 71 are provided on the support boss 7 to reduce the weight of the upper end plate 1 and the lower end plate 2, two current collecting plates 3 are stacked on the support boss 7 on each of the upper end plate 1 and the lower end plate 2, a gasket 72 is provided between the upper end plate 1 and the two current collecting plates 6 of the current collecting plate 3 stacked on the upper end plate 1, the gasket 72 seals the first hydrogen gas port 61 of the two current collecting plates 6 on the current collecting plate 3 on the upper end plate 1 so as to be airtight, a gasket 73 is provided between the second hydrogen gas port 73 on the second current collecting plate 2 and the second hydrogen gas port 61 on the second current collecting plate 2, and the first hydrogen gas collecting plate 21 on the second current collecting plate 2, and the second hydrogen gas port 61 to prevent the second hydrogen collecting plate 2 from leaking. The height of the sealing ring 73 and the sealing gasket 72 is 1.5-2 mm higher than that of the supporting boss 7, so that the sealing ring 73 and the sealing gasket 72 can obtain better compression variable during compression, and a better compression sealing effect is achieved.
The utility model discloses a theory of operation as follows: firstly, a long bolt 22 is arranged in a connecting pin 23 in a penetrating way and extends upwards out of a lower end plate 2, then the connecting pin 23 is fixed by an inner hexagon screw 24, then a collector plate 3 is arranged on the lower end plate 2, a sealing ring 73 is arranged between the lower end plate 2 and the collector plate 3, then bipolar plates 4 and membrane electrodes 5 are stacked at intervals in sequence, after the bipolar plates 4 and the membrane electrodes 5 are stacked, an upper end plate 1 on which the collector plate 3 is arranged is covered on the top, a sealing gasket 72 is arranged between the upper end plate 1 and the collector plate 3 in the upper end plate 1, the long bolt 22 is inserted into a second cylindrical hole of the upper end plate 1, then the assembled stack is arranged on an assembling machine, the lower end plate 2 is clamped on a platform of the assembling machine through the connecting pin 23 for positioning, then the assembling machine is started, the assembling machine applies pressure to the stack so as to compress and keep the components in the stack, then a locking nut 13 is sleeved on the long bolt 22 and connected with a thread, the locking nut 13 downwards presses the compression spring 12 to complete the assembly, the stack is loosened, and then the stack is removed from the assembling machine.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. A lightweight stack for ease of assembly, comprising: upper end plate, lower end plate and locate current collection board, bipolar plate and membrane electrode between the two, its characterized in that: the bipolar plate comprises a collector plate, a bipolar plate and a membrane electrode, wherein the left end and the right end of the collector plate, the left end and the right end of the bipolar plate and the membrane electrode are respectively provided with an ear plate, the two ear plates are respectively provided with a first hydrogen gas port, the left side and the right side of a lower end plate are respectively provided with a second hydrogen gas port, the upper end plate and the lower end plate are formed by injection molding of carbon fiber reinforced nylon, the bottom of the lower end plate is uniformly provided with a plurality of connecting pins capable of fixing long bolts along the periphery, the connecting pins are sequentially provided with a first cylindrical hole, a hexagonal hole and a threaded hole which are communicated from top to bottom, the top of the upper end plate is uniformly provided with a plurality of second cylindrical holes along the periphery, the second cylindrical holes are respectively aligned with the first cylindrical holes one by one, long bolts penetrate through the first cylindrical holes upwards, the hexagonal heads of the long bolts are clamped into the hexagonal holes, the threaded holes are connected with hexagon socket head screws, the hexagon screws abut against the hexagon heads to fix the connecting pins, the long bolts to the bipolar plate and the lower end plate are stacked on the collector plate, the bipolar plate and the membrane electrode are stacked at intervals, the other end plate is stacked on the collector plate, nuts are sleeved on the cylindrical plates, and the nut which extends out and is connected with the nut which extends out.
2. The easy-to-assemble light-weight electric pile of claim 1, wherein: be provided with a support boss respectively on upper end plate and lower end plate, support boss and the integrative injection moulding of upper end plate on the upper end plate, support boss and the integrative injection moulding of lower end plate on the lower end plate, two current collecting plates stack respectively on upper end plate and the support boss of lower end plate, be provided with a sealed pad respectively between upper end plate and two otic placodes of the current collecting plate that stacks on the upper end plate, be provided with a sealing washer respectively between two otic placodes of current collecting plate on lower end plate and stack on the lower end plate.
3. The light-weight stack convenient to assemble of claim 2, wherein: the height of the sealing ring and the sealing gasket is 1.5-2 mm higher than that of the supporting lug boss.
4. A light weight stack of claim 2 or 3 that is easy to assemble, characterized in that: a plurality of weight reduction grooves are arranged on the supporting boss.
5. A light weight stack for ease of assembly as claimed in claim 1 or 2 or 3 wherein: an insulating sleeve is sleeved on the long bolt between the upper end plate and the lower end plate, and the top of the insulating sleeve is not contacted with the upper end plate.
6. The easy-to-assemble light-weight stack of claim 1, 2 or 3, wherein: the elastic piece is a pressure spring, and a pressure spring groove capable of containing the pressure spring is formed in the upper end plate located above the second cylindrical hole.
CN202221759347.0U 2022-07-08 2022-07-08 Lightweight galvanic pile convenient to equipment Active CN217822901U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221759347.0U CN217822901U (en) 2022-07-08 2022-07-08 Lightweight galvanic pile convenient to equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221759347.0U CN217822901U (en) 2022-07-08 2022-07-08 Lightweight galvanic pile convenient to equipment

Publications (1)

Publication Number Publication Date
CN217822901U true CN217822901U (en) 2022-11-15

Family

ID=83963521

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221759347.0U Active CN217822901U (en) 2022-07-08 2022-07-08 Lightweight galvanic pile convenient to equipment

Country Status (1)

Country Link
CN (1) CN217822901U (en)

Similar Documents

Publication Publication Date Title
US6218039B1 (en) Clamping apparatus and method for a fuel cell
CN1186842C (en) Solid macromolecular electrolyte type fuel cell
CN1650446A (en) Compact fuel cell stack structure
CN202333048U (en) Proton exchange membrane fuel cell stack model with spring
CN112095115A (en) Electrochemical hydrogen pump for preparing high-pressure hydrogen
CN217822901U (en) Lightweight galvanic pile convenient to equipment
CN1641918A (en) Integrated fuel cell pile packaging and fastening device
CN214099660U (en) Fuel battery pack comprising two fuel battery modules with symmetrical structures
CN211295218U (en) Battery pack module
CN211605305U (en) Electric pile end plate assembly and proton exchange membrane fuel cell
CN110611126A (en) Portable direct-connected container formation valve-controlled sealed lead-acid storage battery and manufacturing method thereof
KR100514375B1 (en) A device for tightening stacks of fuel cell in electric vehicles
CN2554805Y (en) Fuel cell stack with uniform fasteniy pressure
CN115632154A (en) Fuel cell stack and fuel cell stack fixing method
CN212848722U (en) Connecting device for soft-packaged cell tab
CN214378524U (en) Fuel cell compression system
CN214176087U (en) Fuel cell stack and end plate thereof
CN211670249U (en) Battery module of quick installation
CN213520060U (en) Fixing structure of fuel cell stack
CN208400909U (en) A kind of soft-package battery mould group
CN117210840B (en) Reactor core module and electrolytic hydrogen production electrolytic tank
CN112510238A (en) Method for fixing fuel cell stack
CN216648377U (en) Assembling structure of hydrogen fuel cell verification galvanic pile
CN220233252U (en) Pile packaging end plate of hydrogen fuel cell
CN201781017U (en) Battery pack module

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant