CN117293457A - Hexagonal battery module assembling frame - Google Patents

Hexagonal battery module assembling frame Download PDF

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Publication number
CN117293457A
CN117293457A CN202210686097.0A CN202210686097A CN117293457A CN 117293457 A CN117293457 A CN 117293457A CN 202210686097 A CN202210686097 A CN 202210686097A CN 117293457 A CN117293457 A CN 117293457A
Authority
CN
China
Prior art keywords
hexagonal
frame
assembled
battery
assembling
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
CN202210686097.0A
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Chinese (zh)
Inventor
李革臣
程从彬
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.)
Harbin Zimu New Energy Technology Co ltd
Original Assignee
Harbin Zimu New 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 Harbin Zimu New Energy Technology Co ltd filed Critical Harbin Zimu New Energy Technology Co ltd
Priority to CN202210686097.0A priority Critical patent/CN117293457A/en
Publication of CN117293457A publication Critical patent/CN117293457A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/213Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/244Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/258Modular batteries; Casings provided with means for assembling
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/502Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/503Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/502Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/509Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the type of connection, e.g. mixed connections
    • H01M50/51Connection only in series
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/502Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/514Methods for interconnecting adjacent batteries or cells
    • H01M50/516Methods for interconnecting adjacent batteries or cells by welding, soldering or brazing

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The invention is composed of hexagonal assembled frames, metal conducting plates and batteries, a plurality of hexagonal assembled frames are assembled into an assembled combined frame, and cylindrical batteries and the metal conducting plates are arranged on the assembled combined frame to form a battery module with any battery number and a serial structure. The cylindrical batteries installed on the assembled frame are arranged in a triangular mode, and compared with a rectangular arrangement mode, the effective space of the cylindrical battery arrangement is fully utilized, and the volumetric specific energy of the battery module is improved. The hexagonal battery module assembling frame is an assembled battery combined frame fixed in the three-dimensional direction, is convenient and quick to assemble, firm and reliable in structure, low in production cost, suitable for cylindrical battery modules with various battery numbers, particularly suitable for battery modules with circular shapes, and capable of realizing gradient utilization of single batteries.

Description

Hexagonal battery module assembling frame
[ field of technology ]
The invention relates to a hexagonal assembled frame for battery modules, in particular to a frame structure of battery modules which are combined in series and parallel by cylindrical batteries, and the frame structure is hereinafter called hexagonal assembled frame for short.
[ background Art ]
Many battery modules are formed by combining a large number of cylindrical batteries in series and parallel, and the combined frame of the batteries is the main supporting structure of the battery module. The prior battery module combined frame can be divided into an integral battery combined frame and an assembled battery combined frame, wherein the integral battery combined frame is a battery combined frame for installing specific quantity of batteries, and has the advantages of convenient installation and low cost, but the product specification is single, and the battery module combined frame cannot be suitable for battery combined frames with other product specifications, because the battery modules with different specification models are formed by combining different quantity of batteries, the integral battery combined frame cannot realize the echelon utilization of single batteries; the assembled frame is square or rectangular in appearance, the middle of the assembled frame is provided with a plurality of circular step holes for fixing batteries, and dovetail convex grooves and dovetail grooves are respectively arranged on the outer sides of the two sides of the length and the width direction of each assembled frame. The current dovetail groove spliced type battery combined frame can only lock the freedom degrees of the two battery combined frames in the length direction and the width direction, and can not fix the upper and lower positions of the two battery combined frames, so that the phenomenon of up and down displacement of the battery combined frames is unavoidable in use.
[ invention ]
The invention aims to solve the defects of the prior art, and discloses a hexagonal battery module assembling frame which can adapt to various battery numbers, can realize gradient utilization of single batteries, and has reasonable splicing structure and higher volume specific energy.
The invention is composed of a hexagonal assembled frame, a metal conducting plate and a battery, and the technical scheme is as follows: a plurality of hexagonal assembled frames are assembled into an assembled combined frame, and cylindrical batteries and metal conducting plates are arranged on the assembled combined frame to form battery modules with any battery number and battery modules with serial structures. The hexagonal spliced frame comprises a hexagonal dovetail groove spliced frame, a hexagonal self-locking spliced frame and a hexagonal series spliced frame.
The hexagonal assembled frame is processed into a flat hexagon by plastic, a step round hole is formed in the plane of the hexagon, the diameter of the step round hole is in clearance fit with the diameter of the cylindrical battery, and a small round hole is formed in the center of the step; the outer sides of three non-adjacent sides of the hexagon assembly frame are respectively provided with a dovetail groove boss, the opposite outer sides of the dovetail groove bosses are respectively provided with a dovetail groove concave table in clearance fit with the dovetail groove bosses, the dovetail groove bosses and the dovetail groove concave tables of the hexagon assembly frame are arranged on two sides of the center line of the step round hole, and the dovetail groove shape of the dovetail groove bosses and the dovetail groove concave tables are convex and concave relative to the assembly space dimension line of the hexagon assembly frame, so that the assembly space dimension of the assembly combination frame and the appearance dimension of the assembly combination frame are reduced. A plurality of hexagonal assembling frames are assembled to form an assembling combined frame, and cylindrical batteries arranged on the assembling combined frame are arranged in a triangle shape.
Preferably, a limit spring plate with a barb structure is arranged in the middle of each dovetail groove boss of the hexagonal assembly frame, grooves are formed in two sides of the limit spring plate, and a limit concave table matched with the barb shape of the limit spring plate is arranged in the middle of each dovetail groove concave table of the hexagonal assembly frame.
The assembled frame consists of a plurality of hexagon assembled frames, wherein the first hexagon assembled frame is assembled together through a dovetail boss and a second hexagon assembled frame dovetail concave table, the third hexagon assembled frame is assembled together through a dovetail boss and a first hexagon assembled frame dovetail concave table, meanwhile, the third hexagon assembled frame is assembled together through a dovetail concave table and second hexagon assembled frame dovetail bosses, and the like, so that a hexagon dovetail groove assembled frame capable of being provided with any number of batteries is formed;
on the basis of the hexagonal dovetail groove assembled combined frame, the barbs of the limiting elastic pieces of the first hexagonal self-locking assembled frame fall on the limiting concave table matched with the second hexagonal self-locking assembled frame, and the barbs of the limiting elastic pieces of the third hexagonal self-locking assembled frame fall on the limiting concave table matched with the first hexagonal self-locking assembled frame; meanwhile, the barbs of the limiting elastic pieces of the second self-locking assembly frame fall on the limiting concave table matched with the third hexagonal self-locking assembly frame, and the like, so that a hexagonal self-locking assembly combined frame capable of being provided with any number of batteries is formed;
on the basis of the hexagonal self-locking assembled combined frame, the steps of the hexagonal assembled frame can be positioned in the middle of the step round holes to form an upper step round hole and a lower step round hole, the upper step round hole is provided with an annular groove, a metal conducting plate is arranged in the annular groove, a platform of the metal conducting plate is welded and arranged on a battery anode cap of the lower round hole, and a circular arc-shaped elastic sheet on the inner wall of the metal conducting plate radially clamps a battery shell cathode arranged on the upper round hole, so that the battery cathode arranged in the upper round hole and the battery anode cap arranged in the lower round hole are connected in series, and therefore the hexagonal serial assembled frame can be formed.
The metal conducting strip is processed into an inverted circular cap shape by adopting a conducting material, and a plurality of circular arc-shaped elastic sheets protruding inwards are arranged on the circumference of the circular cap shape. The platform of the metal conducting strip is welded with the convex electrode (usually the positive electrode of the battery) of one battery, and the circular arc-shaped elastic sheet protruding inwards on the inner wall of the circular cap radially clamps the shell electrode (usually the negative electrode of the battery) of the other battery, so that the two batteries are connected in series.
The hexagonal assembled frames can be assembled into the battery combined frames with various battery numbers, and the gradient utilization of single batteries can be realized; the cylindrical batteries mounted on the assembled and combined frame are arranged in a triangular mode, and compared with a rectangular arrangement mode, the effective space in the middle of the arrangement of the cylindrical batteries is fully utilized, so that the assembled space size of the assembled and combined frame and the outline size of the battery module are reduced, and the volumetric specific energy of the battery module is improved. The dovetail groove of the hexagonal assembled combined frame can fix the displacement of the two assembled combined frames in two directions, and the positioning elastic sheet with the barb structure can limit and fix the displacement of the two assembled combined frames in the third direction, so that an assembled combined frame with fixed three-dimensional direction is formed. The application of the positioning spring plates widens the machining precision of the dovetail grooves of the assembled frame, is convenient and quick to assemble, has firm and reliable structure and low production cost, is suitable for cylindrical battery modules with various battery numbers, and is particularly suitable for battery modules with circular shapes.
[ description of the drawings ]
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an isometric view of a hexagonal dovetail slot-assembled frame of example 1 of the present invention;
FIG. 2 is a top view of a splice frame of 7 hexagonal dovetail slots;
FIG. 3 is an isometric view of a hexagonal self-locking assembled frame of example 2 of the present invention;
FIG. 4 is an isometric view of a battery module assembled from hexagonal self-locking split frames;
FIG. 5 is an isometric view of a hexagonal tandem split frame of example 3 of the present invention;
FIG. 6 is a half cross-sectional view of a hexagonal tandem split frame combination;
FIG. 7 is an isometric view of two hexagonal tandem split frame combinations for two batteries in tandem;
FIG. 8 is a cross-sectional view of a metallic conductive sheet;
FIG. 9 is an isometric view of a battery module implemented with 7 hexagonal tandem cell frame combinations;
wherein: 1. hexagonal dovetail groove spliced frame; 2. a step round hole; 2-1, a step 2-2, an upper step round hole; 2-3, descending a step round hole; 2-4, annular grooves; 3. assembling space dimension lines; 4. dovetail groove concave table; 5. dovetail groove boss; 6. splicing round holes; 7. hexagonal self-locking spliced frame; 8. positioning a spring plate; 8-1, barbs; 8-2, grooving; 9. positioning concave table; 10. a metal conductive sheet; 10-1, an arc-shaped elastic sheet; 10-2, a metal conducting plate; 11. a cylindrical battery; 11-1, a battery anode cap; 11-2, a battery shell cathode; 12. hexagonal series spliced frames;
[ detailed description ] of the invention
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The first embodiment is as follows:
the hexagonal dovetail groove spliced frame (1) is processed into a flat hexagon by ABS plastic, a step round hole (2) is formed in the plane of the hexagon, the diameter of the step round hole is in clearance fit with the diameter of a cylindrical battery (16), a small round hole is formed in the center of the step (2-1), and the step is used for limiting the assembling position of the battery; the outer sides of three non-adjacent sides of the hexagon of the hexagonal dovetail groove assembly frame are respectively provided with a dovetail groove boss (5), the opposite outer sides of the dovetail groove bosses are respectively provided with a dovetail groove concave table (4) which is in clearance fit with the dovetail groove bosses, the dovetail groove bosses and the dovetail groove concave tables of the hexagonal dovetail groove assembly frame are arranged on two sides of the center line of the step round hole, and the dovetail groove shape sizes of the dovetail groove bosses and the dovetail groove concave tables are convex and concave relative to the assembly space size line (3) of the hexagonal dovetail groove assembly frame. A1/3 splicing round hole (6) is arranged at the sharp corner of the hexagon of the splicing frame.
The steps of the hexagonal dovetail groove assembled frame combination are as follows: the first hexagonal dovetail groove assembling frame is assembled together through the dovetail boss and the dovetail concave table of the second hexagonal dovetail groove assembling frame, the third hexagonal dovetail groove assembling frame is assembled together through the dovetail boss and the dovetail concave table of the first hexagonal dovetail groove assembling frame, meanwhile, the third hexagonal dovetail groove assembling frame is assembled together through the dovetail concave table and the dovetail bosses of the second hexagonal dovetail groove assembling frames, and the like, so that an assembling combined frame of 7 hexagonal dovetail groove assembling frames can be formed;
the second embodiment is as follows:
the second embodiment comprises a battery module formed by combining two sets of hexagonal self-locking assembled frames and 7 cylindrical batteries.
The hexagonal self-locking assembled frame (7) comprises all structural elements of the hexagonal dovetail groove assembled frame (1) in the embodiment mode, a limiting elastic piece (8) with a barb (8-2) structure is added in the middle of each dovetail groove boss (5) of the hexagonal self-locking assembled frame, grooves (8-1) are formed in two sides of the limiting elastic piece, and a limiting concave table (9) matched with the barb of the limiting elastic piece in shape is arranged in the middle of each dovetail groove concave table (4) of the hexagonal self-locking assembled frame.
The combination mode of the hexagonal self-locking spliced combination frame is the same as that of the first embodiment, and the added details also comprise: the barbs of the limiting elastic pieces of the first hexagonal self-locking assembled frame fall on the limiting concave table matched with the second hexagonal self-locking assembled frame, and the barbs of the limiting elastic pieces of the third hexagonal self-locking assembled frame fall on the limiting concave table matched with the first hexagonal self-locking assembled frame; meanwhile, the barbs of the limiting elastic pieces of the second self-locking assembly frame fall on the limiting concave table matched with the third hexagonal self-locking assembly frame, and the like, and the 7 hexagonal self-locking assembly frames are assembled together to form the hexagonal self-locking assembly combined frame capable of being provided with 7 batteries. The step round holes of the two sets of hexagonal self-locking assembled combined frames are respectively provided with the positive electrode or the negative electrode of the cylindrical battery, so that a battery module of 7 battery combinations is formed.
And a third specific embodiment:
the third embodiment is a serial battery module comprising 2 hexagonal serial assembled frames.
The hexagonal series connection assembly frame (12) comprises all structural elements of an embodiment one hexagonal dovetail groove assembly frame (1) and an embodiment two hexagonal self-locking assembly frame (7), a step (2-1) of the hexagonal series connection assembly frame (12) is positioned in the middle of a step round hole to form an upper step round hole (2-4) and a lower step round hole (2-3), the upper step round hole is provided with an annular groove (2-4), a metal conducting plate (10) is arranged in the annular groove, a platform (10-2) of the metal conducting plate is welded and arranged on a battery anode cap (11-1) of the lower round hole, and a circular arc-shaped elastic piece (10-1) on the inner wall of the metal conducting plate radially clamps a battery shell anode (11-2) arranged on the upper round hole, so that the battery anode of the upper round hole and the cathode of the lower round hole battery are connected in series, and therefore the hexagonal series connection assembly frame is formed.
The metal conducting strip (17) is processed into an inverted circular cap shape by adopting a stainless steel sheet, and a plurality of circular arc-shaped elastic sheets (17-1) protruding inwards are arranged on the circumference of the circular cap shape. The platform (17-2) of the metal conducting strip is welded with the convex electrode cap (16-2) of one battery, and the inward convex arc-shaped elastic sheet (17-1) on the inner wall of the circular cap radially clamps the shell electrode (16-1) of the other battery, so that the two batteries are connected in series.
The specific embodiment IV is as follows:
in the fourth embodiment, 7 hexagonal series-spliced frame combinations are processed and assembled according to the method in the third embodiment, and then the 7 hexagonal series-spliced frame combinations are combined according to the method in the first embodiment and the method in the second embodiment, so that the battery module of the 7 hexagonal series-spliced frame combinations is realized.

Claims (4)

1. The hexagonal battery module assembling frame is composed of a hexagonal assembling frame, metal conducting plates and batteries, a plurality of hexagonal assembling frames are assembled to form an assembling combined frame, cylindrical batteries and metal conducting plates are mounted on the assembling combined frame to form battery modules with any battery number and serial structures, the hexagonal battery module assembling frame is characterized in that the hexagonal assembling frame is processed into a flat hexagon by plastics, a step round hole is formed in the plane of the hexagon, the diameter of the step round hole is in clearance fit with that of the cylindrical batteries, a dovetail groove boss is arranged outside three non-adjacent side faces of the hexagon assembling frame, a dovetail groove concave table in clearance fit with the dovetail groove boss is arranged outside the opposite side faces of the dovetail groove boss, the dovetail groove boss and the dovetail groove concave table of the hexagonal assembling frame are arranged on two sides of a step round hole assembling center line, the dovetail groove sizes of the dovetail groove boss and the dovetail groove concave table are all convex-concave, the plurality of the hexagonal assembling frames are assembled to form an assembling combined frame, and the cylindrical batteries mounted on the assembling combined frame are arranged in a triangle shape.
2. The assembled frame of hexagonal battery modules as claimed in claim 1, wherein a limit spring plate with a barb structure is provided in the middle of each dovetail groove boss of the assembled frame, and a limit recess matched with the barb of the limit spring plate is provided in the middle of each dovetail groove recess of the assembled frame.
3. The hexagonal battery module assembling frame according to claim 1, wherein the steps of the hexagonal assembling frame can be positioned in the middle of the step round hole to form an upper step round hole and a lower step round hole, the upper step round hole is provided with an annular groove, a metal conducting plate is arranged in the annular groove, a platform of the metal conducting plate is welded and arranged on a battery anode cap of the lower round hole, and a circular arc-shaped elastic sheet on the inner wall of the metal conducting plate radially clamps a battery shell cathode arranged on the upper round hole, so that the battery cathode arranged on the upper round hole and the battery anode cap arranged on the lower round hole are connected in series.
4. The assembled frame of hexagonal battery modules according to claim 1, wherein the assembled frame is composed of a plurality of hexagonal assembled frames, the first hexagonal assembled frame is assembled with the dovetail concave table of the second hexagonal assembled frame through the dovetail boss, the third hexagonal assembled frame is assembled with the dovetail concave table of the first hexagonal assembled frame through the dovetail boss, and meanwhile, the third hexagonal assembled frame is assembled with the dovetail boss of the second hexagonal assembled frame through the dovetail concave table, and so on, so that a hexagonal dovetail groove assembled frame capable of installing any number of batteries is formed; on the basis, the barbs of the limiting elastic pieces of the first hexagonal self-locking assembling frame are arranged on the limiting concave table matched with the second hexagonal self-locking assembling frame, and the barbs of the limiting elastic pieces of the third hexagonal self-locking assembling frame are arranged on the limiting concave table matched with the first hexagonal self-locking assembling frame; simultaneously, the barb of the second hexagonal self-locking assembly limiting elastic sheet falls on the limiting concave table matched with the third hexagonal self-locking assembly frame, and the like, and a plurality of hexagonal self-locking assembly frames are assembled together to form a hexagonal self-locking assembly combined frame capable of being provided with any number of batteries.
CN202210686097.0A 2022-06-16 2022-06-16 Hexagonal battery module assembling frame Pending CN117293457A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210686097.0A CN117293457A (en) 2022-06-16 2022-06-16 Hexagonal battery module assembling frame

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210686097.0A CN117293457A (en) 2022-06-16 2022-06-16 Hexagonal battery module assembling frame

Publications (1)

Publication Number Publication Date
CN117293457A true CN117293457A (en) 2023-12-26

Family

ID=89250447

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210686097.0A Pending CN117293457A (en) 2022-06-16 2022-06-16 Hexagonal battery module assembling frame

Country Status (1)

Country Link
CN (1) CN117293457A (en)

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