CN115528289A - Pile integrated structure - Google Patents

Pile integrated structure Download PDF

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Publication number
CN115528289A
CN115528289A CN202211193075.7A CN202211193075A CN115528289A CN 115528289 A CN115528289 A CN 115528289A CN 202211193075 A CN202211193075 A CN 202211193075A CN 115528289 A CN115528289 A CN 115528289A
Authority
CN
China
Prior art keywords
frame body
guide rail
support guide
end plate
battery cell
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.)
Pending
Application number
CN202211193075.7A
Other languages
Chinese (zh)
Inventor
孟维志
石伟玉
侯中军
程红卫
卢兵兵
姜贵山
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.)
Shanghai Hydrogen Propulsion Technology Co Ltd
Original Assignee
Shanghai Hydrogen Propulsion 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 Shanghai Hydrogen Propulsion Technology Co Ltd filed Critical Shanghai Hydrogen Propulsion Technology Co Ltd
Priority to CN202211193075.7A priority Critical patent/CN115528289A/en
Publication of CN115528289A publication Critical patent/CN115528289A/en
Pending legal-status Critical Current

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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
    • 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
    • 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
    • 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
    • H01M8/248—Means for compression of the fuel cell stacks
    • 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
    • Y02E60/10—Energy storage using batteries
    • 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

Abstract

The invention provides a galvanic pile integrated structure. When the battery cell is installed, the elastic assembly arranged between the floating end plate and the first end of the frame body provides longitudinal elastic restoring force for the battery cell, so that the battery cell can keep effective assembling force in the longitudinal direction, the height of the second support guide rail is adjusted through the first tightening bolt, and when the second support guide rail is tightly attached to the battery cell, the second support guide rail and the first support guide rail can clamp the battery cell in the vertical direction, and further the integrated packaging of the battery cell is realized.

Description

Pile integrated structure
Technical Field
The invention relates to the technical field of fuel cell packaging, in particular to a galvanic pile integrated structure.
Background
The fuel cell is a stacked body formed by mutually stacking a flow field plate and a membrane electrode, namely a cell, and is also a clean energy technology for directly converting chemical energy into electric energy, and the fuel cell has the advantages of high energy conversion efficiency, simple structure, low emission, low noise and the like.
However, since the space in the existing limiting structure is a fixed size, when a battery core is processed, the precision of the battery size is required to be high, so that the difficulty in assembling the battery core is avoided, and when the processing error of the battery core is large, the difficulty in assembling the battery core is easily caused, so that an electric pile integrated structure capable of adjusting the limiting space of an electric pile is urgently needed.
Disclosure of Invention
In view of this, an embodiment of the present invention provides a stack integrated structure to solve the problem that a cell is difficult to assemble when a cell processing error is large due to a fixed size of a limiting space of an existing encapsulated cell.
In order to achieve the above purpose, the embodiments of the present invention provide the following technical solutions:
a stack integrated structure comprising: the device comprises a frame body, a floating end plate, an elastic assembly, an air inlet end plate, a blind end plate, a first tightening bolt, a battery cell, a plurality of first support guide rails and a plurality of second support guide rails;
the top of the frame body is provided with an installation opening for the electric core to pass through;
the blind end plate is arranged at the outer side of the first end of the frame body;
the air inlet end plate is arranged on the outer side of the second end of the frame body;
the first support guide rail and the second support guide rail are both arranged in the frame body;
the first support guide rail is transversely arranged at the bottom of the frame body;
a first sliding groove is vertically formed in the inner side of the first end of the frame body, and a second sliding groove is vertically formed in the inner side of the second end of the frame body;
the first end of the second support guide rail is arranged in the first sliding groove in a sliding manner, and the second end of the second support guide rail is arranged in the second sliding groove in a sliding manner;
the top of the frame body is provided with a first screw hole in threaded fit with a first puller bolt, and the first puller bolt is used for enabling the second support guide rail to be tightly attached to the battery cell;
the floating end plate is movably arranged between the battery cell and the first end of the frame body;
the elastic component is arranged between the floating end plate and the first end of the frame body and is used for providing elastic restoring force for the floating end plate.
Preferably, the first support rail and the second support rail are both made of a metal material;
and the contact sides of the first support guide rail and the battery cell and the contact sides of the second support guide rail and the battery cell are coated with insulating materials.
Preferably, the insulating material is a resin.
Preferably, the plurality of first support rails are uniformly distributed along the longitudinal direction of the frame body.
Preferably, the plurality of second support rails are uniformly distributed along the longitudinal direction of the frame body.
Preferably, the elastic member is composed of a plurality of springs.
Preferably, the method further comprises the following steps: tightening the bolt;
the blind end plate is provided with a plurality of first through holes;
the first end of the frame body is provided with a plurality of second through holes which are in one-to-one correspondence with the first through holes;
the tensioning bolt sequentially penetrates through the first through hole, the second through hole and is in threaded connection with the first end of the second supporting guide rail.
Preferably, the method further comprises the following steps: a plurality of second jacking bolts;
the blind end plate is provided with a plurality of second screw holes in threaded fit with the second screw holes.
From the above, the invention discloses a stack integrated structure. Arranging a blind end plate outside the first end of the frame body by arranging an installation opening for the battery core to pass through at the top of the frame body; the air inlet end plate is arranged on the outer side of the second end of the frame body; arranging the first support guide rail and the second support guide rail in the frame; the first support guide rail is transversely arranged at the bottom of the frame body; a first sliding groove is vertically formed in the inner side of the first end of the frame body, and a second sliding groove is vertically formed in the inner side of the second end of the frame body; the first end of the second support guide rail is arranged in the first sliding groove in a sliding manner, and the second end of the second support guide rail is arranged in the second sliding groove in a sliding manner; a first screw hole in threaded fit with the first puller bolt is formed in the top of the frame body, so that the second support guide rail is tightly attached to the battery cell, and the floating end plate is movably arranged between the battery cell and the first end of the frame body; the elastic component is arranged between the floating end plate and the first end of the frame body and provides elastic restoring force for the floating end plate, and through the pile integrated structure, when a battery cell is installed, the elastic component provides longitudinal elastic restoring force for the battery cell, so that the battery cell can keep effective assembling force in the longitudinal direction, the height of the second support guide rail is adjusted through the first tightening bolt, when the second support guide rail is tightly attached to the battery cell, the second support guide rail and the first support guide rail can clamp the battery cell in the vertical direction, and further the integrated packaging of the battery cell is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic diagram of a stack integrated structure according to an embodiment of the present invention;
fig. 2 is a top view of a stack integrated structure provided in an embodiment of the present invention;
FIG. 3 is a cross-sectional view taken at B-B of FIG. 1;
FIG. 4 isbase:Sub>A cross-sectional view taken at A-A of FIG. 1;
fig. 5 is another schematic view of a stack integrated structure according to an embodiment of the invention.
The air inlet structure comprises a frame body 1, a floating end plate 2, an elastic assembly 3, an air inlet end plate 4, a blind end plate 5, a first puller bolt 6, an electric core 7, a first support guide rail 8, a second support guide rail 9, a tensioning bolt 10 and a second puller bolt 11.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In this application, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
An embodiment of the present invention provides a stack integrated structure, referring to fig. 1 to 5, where fig. 1 is a schematic diagram of the stack integrated structure, and the stack integrated structure includes: the device comprises a frame body 1, a floating end plate 2, an elastic assembly 3, an air inlet end plate 4, a blind end plate 5, a first puller bolt 6, a battery cell 7, a plurality of first support guide rails 8 and a plurality of second support guide rails 9;
the top of the frame body 1 is provided with an installation opening for the electric core 7 to pass through;
the blind end plate 5 is arranged outside the first end of the frame body 1;
the air inlet end plate 4 is arranged outside the second end of the frame body 1;
the first support guide rail 8 and the second support guide rail 9 are both arranged in the frame body 1;
the first supporting guide rail 8 is transversely arranged at the bottom of the frame body 1;
a first sliding groove is vertically formed in the inner side of the first end of the frame body 1, and a second sliding groove is vertically formed in the inner side of the second end of the frame body 1;
a first end of the second support guide rail 9 is slidably arranged in the first sliding groove, and a second end of the second support guide rail 9 is slidably arranged in the second sliding groove;
the top of the frame body 1 is provided with a first screw hole in threaded fit with the first puller bolt 6, and the first puller bolt 6 is used for enabling the second support guide rail 9 to be tightly attached to the battery core 7;
the floating end plate 2 is movably arranged between the battery cell 7 and the first end of the frame body 1;
the elastic component 3 is disposed between the floating end plate 2 and the first end of the frame 1, and the elastic component 3 is used for providing an elastic restoring force for the floating end plate 2.
It should be noted that, by forming the mounting opening for passing the battery cell 7 at the top of the frame body 1, the cell stack can be conveniently placed in the frame body 1, and the dead end plate 5 is arranged outside the first end of the frame body 1; the air inlet end plate 4 is arranged outside the second end of the frame body 1; and arranging both the first support rail 8 and the second support rail 9 in the frame 1; the first supporting guide rail 8 is transversely arranged at the bottom of the frame body 1; a first sliding groove is vertically formed in the inner side of the first end of the frame body 1, and a second sliding groove is vertically formed in the inner side of the second end of the frame body 1; a first end of the second support guide rail 9 is slidably arranged in the first sliding groove, and a second end of the second support guide rail 9 is slidably arranged in the second sliding groove; the top of the frame body 1 is provided with a first screw hole in threaded fit with the first puller bolt 6, so that the first puller bolt 6 can be rotated, the first puller bolt 6 drives the second support guide rail 9 to move downwards along the first chute and the second chute until the second support guide rail 9 is tightly attached to the battery cell 7, and then the battery cell 7 is limited in the vertical direction, and the floating end plate 2 is movably arranged between the battery cell 7 and the first end of the frame body 1; elastic component 3 sets up between the first end of the end plate 2 that floats and framework 1, and elastic component 3 provides elastic restoring force for the end plate 2 that floats, and elastic component 3 can continuously provide elastic restoring force for the end plate 2 that floats to guarantee that the end plate 2 that floats hugs closely electric core 7, and then realize keeping effectual assembly power to electric core 7's longitudinal direction.
It should be further noted that, the longitudinal dimension of the battery cell 7 can change in the process of expansion with heat and contraction with cold, and the elastic component 3 can deform when the longitudinal dimension of the battery cell 7 becomes large, and generate a certain elastic restoring force, so that the floating end plate 2 is tightly attached to the battery cell 7 when the longitudinal dimension of the battery cell 7 becomes small.
According to the embodiment of the invention, through the disclosed electric pile integrated structure, when the electric core 7 is installed, the longitudinal elastic restoring force is provided for the electric core 7 through the elastic component 3, so that the electric core 7 can keep effective assembling force in the longitudinal direction, the height of the second supporting guide rail 9 is adjusted through the first tightening bolt 6, when the second supporting guide rail 9 is tightly attached to the electric core 7, the electric core 7 can be clamped in the vertical direction through the second supporting guide rail 9 and the first supporting guide rail 8, and then the integrated packaging of the electric core 7 is realized.
Specifically, the first support rail 8 and the second support rail 9 are both made of a metal material;
the contact side of the first support guide rail 8 and the battery cell 7 and the contact side of the second support guide rail 9 and the battery cell 7 are coated with insulating materials.
It should be noted that, the first support rail 8 and the second support rail 9 are made of a metal material, and the contact side of the first support rail 8 and the battery cell 7 and the contact side of the second support rail 9 and the battery cell 7 are coated with an insulating material, so that not only can the rigidity of the first support rail 8 and the second support rail 9 be improved, but also insulation is realized, further electrical leakage is avoided, and the safety of the fuel cell is effectively improved.
Specifically, the insulating material is resin.
The insulating material may be resin, or may be other materials capable of preventing electrical conduction, and those skilled in the art may select the insulating material according to the needs.
Further, the plurality of first support rails 8 are uniformly distributed along the longitudinal direction of the frame body 1.
It should be noted that, by uniformly distributing the plurality of first support rails 8 along the longitudinal direction of the frame body 1, each first support rail 8 can be uniformly stressed, so that the support of the battery cell 7 is effectively improved, and the protection of the battery cell 7 is further realized.
Further, a plurality of second support rails 9 are uniformly distributed along the longitudinal direction of the frame body 1.
It should be noted that, by uniformly distributing the plurality of second support rails 9 along the longitudinal direction of the frame body 1, each second support rail 9 can be uniformly stressed, so that the support of the battery cell 7 is effectively improved, and the protection of the battery cell 7 is further realized.
In particular, the elastic component 3 is constituted by a plurality of springs.
It should be noted that the elastic component 3 may be configured as a plurality of springs, or may be configured as an elastic sheet, and those skilled in the art may select the springs according to requirements.
Further, the electric pile integrated structure still includes: a tension bolt 10;
the blind end plate 5 is provided with a plurality of first through holes;
a plurality of second through holes which are in one-to-one correspondence with the first through holes are formed at the first end of the frame body 1;
the tension bolt 10 passes through the first through hole and the second through hole in sequence and is in threaded connection with the first end of the second support guide rail 9.
It should be noted that, by providing the tie bolt 10, and providing a plurality of first through holes in the blind end plate 5, a plurality of second through holes corresponding to the plurality of first through holes one to one are provided at the first end of the frame 1, and passing the tie bolt 10 through the first through holes, the second through holes and the first end threads of the second support rail 9 in sequence, and then the second support rail 9 can be tensioned by the tie bolt 10, deformation of the installation opening at the upper portion of the frame 1 can be suppressed, and the service life of the fuel cell can be effectively prolonged.
Further, the electric pile integrated structure still includes: a plurality of second jacking bolts 11;
the blind end plate 5 is provided with a plurality of second screw holes in threaded fit with the second screw holes.
It should be noted that, by arranging the second tightening bolts 11, the blind end plate 5 is provided with a plurality of second screw holes in threaded fit with the second screw holes, and then after the second tightening bolts 11 are screwed into the second screw holes, the second tightening bolts 11 contact the floating end plate 2, and the second tightening bolts 11 can enable the floating end plate 2 to longitudinally limit the electric core 7, so that the electric core 7 is fixed.
All the embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, the system or system embodiments are substantially similar to the method embodiments and therefore are described in a relatively simple manner, and reference may be made to some of the descriptions of the method embodiments for related points. The above-described system and system embodiments are only illustrative, wherein the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Those of skill would further appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (8)

1. An electric pile integrated structure, characterized by comprising: the device comprises a frame body, a floating end plate, an elastic assembly, an air inlet end plate, a blind end plate, a first tightening bolt, a battery cell, a plurality of first support guide rails and a plurality of second support guide rails;
the top of the frame body is provided with an installation opening for the battery core to pass through;
the blind end plate is arranged on the outer side of the first end of the frame body;
the air inlet end plate is arranged on the outer side of the second end of the frame body;
the first support guide rail and the second support guide rail are both arranged in the frame body;
the first support guide rail is transversely arranged at the bottom of the frame body;
a first sliding groove is vertically formed in the inner side of the first end of the frame body, and a second sliding groove is vertically formed in the inner side of the second end of the frame body;
the first end of the second support guide rail is arranged in the first sliding groove in a sliding manner, and the second end of the second support guide rail is arranged in the second sliding groove in a sliding manner;
the top of the frame body is provided with a first screw hole in threaded fit with the first puller bolt, and the first puller bolt is used for enabling the second support guide rail to be tightly attached to the battery cell;
the floating end plate is movably arranged between the battery cell and the first end of the frame body;
the elastic assembly is arranged between the floating end plate and the first end of the frame body and used for providing elastic restoring force for the floating end plate.
2. The stack integrated structure according to claim 1, wherein the first support rail and the second support rail are each made of a metal material;
and the contact sides of the first support guide rail and the battery cell and the contact sides of the second support guide rail and the battery cell are coated with insulating materials.
3. The stack integration structure according to claim 2, wherein the insulating material is a resin.
4. The stack integrated structure according to claim 1, wherein the plurality of first support rails are uniformly distributed along a longitudinal direction of the frame body.
5. The stack integrated structure according to claim 1, wherein the plurality of second support rails are uniformly distributed along a longitudinal direction of the frame body.
6. The stack integrated structure of claim 1, wherein the elastic component is composed of a plurality of springs.
7. The stack integrated structure according to claim 1, further comprising: tightening the bolts;
the blind end plate is provided with a plurality of first through holes;
the first end of the frame body is provided with a plurality of second through holes which are in one-to-one correspondence with the first through holes;
the tensioning bolt sequentially penetrates through the first through hole, the second through hole and the first end of the second supporting guide rail in threaded connection.
8. The stack integrated structure of claim 1, further comprising: a plurality of second jacking bolts;
the blind end plate is provided with a plurality of second screw holes in threaded fit with the second screw holes.
CN202211193075.7A 2022-09-28 2022-09-28 Pile integrated structure Pending CN115528289A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211193075.7A CN115528289A (en) 2022-09-28 2022-09-28 Pile integrated structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211193075.7A CN115528289A (en) 2022-09-28 2022-09-28 Pile integrated structure

Publications (1)

Publication Number Publication Date
CN115528289A true CN115528289A (en) 2022-12-27

Family

ID=84699421

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211193075.7A Pending CN115528289A (en) 2022-09-28 2022-09-28 Pile integrated structure

Country Status (1)

Country Link
CN (1) CN115528289A (en)

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