CN107394082B - Universal module structure for square battery cell - Google Patents
Universal module structure for square battery cell Download PDFInfo
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- CN107394082B CN107394082B CN201710712859.9A CN201710712859A CN107394082B CN 107394082 B CN107394082 B CN 107394082B CN 201710712859 A CN201710712859 A CN 201710712859A CN 107394082 B CN107394082 B CN 107394082B
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
- H01M10/647—Prismatic or flat cells, e.g. pouch cells
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/653—Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
- H01M10/6555—Rods or plates arranged between the cells
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
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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
- Y02E60/10—Energy storage using batteries
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Battery Mounting, Suspending (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention relates to a general module structure of a square battery cell, which comprises a shell, a plurality of battery cells transversely arranged in the shell, an insulating support and an aluminum nickel-plated sheet welded with pole columns of the battery cells, wherein the pole columns of the battery cells are all arranged towards the front side of the shell; the insulating support sets up in the casing and injecing a plurality of independent and mutual installation space that communicate in the casing, it is a plurality of electric core one-to-one arranges in a plurality of installation space and crimping are in on the insulating support, arbitrary adjacent two leave the expansion gap between the electric core. The battery cell is transversely arranged, so that the space utilization rate in the shell is effectively improved, and the cost can be effectively saved by adopting the aluminum nickel plating sheet for electric connection; the battery cores are separated from each other by the insulating support, so that an expansion gap is reserved between any two battery cores, and the problem that the installation size is inaccurate due to bulging of the battery cores can be effectively prevented.
Description
Technical Field
The invention relates to the technical field of electric automobiles, in particular to a universal module structure for a square battery cell.
Background
The current global automobile industry faces a great challenge of energy and environmental problems, and because the electric automobile has the advantages of simple structure, convenient maintenance and good operability, compared with the traditional fuel automobile, the electric automobile has the advantages of no vibration, no noise, no emission pollution and the like, and becomes one of the important directions for the development of the automobile industry in recent years. The power battery is used as the only energy source of the pure electric vehicle, and the performance of the power battery directly influences the whole performance of the pure electric vehicle. Because the electric quantity of a single lithium ion battery cell is small, in order to meet the mileage requirement of an electric automobile, a plurality of lithium ion battery cells need to be connected in series and in parallel to form a group so as to meet the required electric quantity and voltage requirements. A battery system is generally designed into a plurality of battery modules in an integrated and modularized manner, so as to improve the reliability, manufacturability and safety of the battery system.
The length dimension of traditional power battery module depends on the length dimension of box, because structural constraint, the commonality and the interchangeability of battery module are relatively poor, and the material kind is more, and the cost is higher. The heat conduction pad has generally been placed to traditional power battery module bottom electric core, because electric core piles up and the electric core temperature of middle part is higher, and then causes great influence to electric core performance, has reduced performance, life cycle and the security of battery.
Disclosure of Invention
The invention aims to solve the technical problem of providing a universal module structure for square battery cells, aiming at the defects of the prior art.
The technical scheme for solving the technical problems is as follows: a general module structure for square battery cells comprises a shell, a plurality of battery cells transversely arranged in the shell, an insulating support and aluminum nickel-plated sheets welded with pole posts of the battery cells, wherein the pole posts of the battery cells are all arranged towards the front side of the shell;
the insulating support sets up in the casing and injecing a plurality of independent and mutual installation space that communicate in the casing, it is a plurality of electric core one-to-one arranges in a plurality of installation space and crimping are in on the insulating support, arbitrary adjacent two leave the expansion gap between the electric core.
The invention has the beneficial effects that: according to the invention, the battery cells are transversely arranged, so that the space utilization rate in the shell is effectively improved, and the cost can be effectively saved by adopting the aluminum nickel plating sheets for electric connection; the battery cores are separated from each other by the insulating support, so that an expansion gap is reserved between any two battery cores, and the problem that the installation size is inaccurate due to bulging of the battery cores can be effectively prevented.
On the basis of the technical scheme, the invention can be further improved as follows.
Furthermore, the insulating support comprises a plurality of longitudinal partition frames and two insulating partition plates respectively arranged on the left side and the right side in the shell, a plurality of groups of transverse partition plates which are arranged at equal intervals are fixed on one side of each insulating partition plate close to the electric core, and a plurality of groups of transverse partition plates which are arranged at equal intervals are fixed on the left side and the right side of each longitudinal partition frame; multiple columns of vertical installation channels are formed between the insulating partition plates and the adjacent longitudinal partition plates and between the two adjacent longitudinal partition plates, and each installation channel is defined by the transverse partition plates in the installation channel to form a plurality of installation spaces which are distributed up and down.
The beneficial effect of adopting the further scheme is that: through setting up vertical bulkhead, insulating barrier and transverse baffle, with the integrated design of prior art's framework and tray, can effectively keep apart between the electric core, and reduced the material kind, the cost is reduced.
Furthermore, the longitudinal partition frame is a square frame body formed by connecting two vertical rods and a plurality of transverse rods, and two ends of the plurality of transverse rods are respectively and vertically and fixedly connected with the two vertical rods; the left side and the right side of each transverse rod are respectively provided with a group of transverse partition plates, and the left side and the right side between two adjacent transverse rods on the longitudinal partition frame are respectively and correspondingly crimped with an electric core.
The beneficial effect of adopting the further scheme is that: the arrangement of the vertical rods and the transverse rods enables the edges of the battery cores to be abutted to the vertical rods or the transverse rods, and the space between the transverse rods and the vertical rods forms expansion gaps between the left and right adjacent battery cores.
Further, every group horizontal baffle all includes the board body of two horizontal arrangements, two the board body sets up the horizontal pole is close to on the position at both ends.
The beneficial effect of adopting the further scheme is that: through setting up two plate bodies that are close to the horizontal pole both ends, formed the inflation clearance between the upper and lower electric core promptly.
Furthermore, a positioning plate is vertically fixed at each of the front end and the rear end of the cross rod, one positioning plate is abutted to each of four corners of the front side and the rear side of each battery cell, and a positioning pin and a wire clamping structure are arranged on one side surface, far away from the cross rod, of the positioning plate arranged on the front side of each battery cell;
the aluminum nickel plating piece is provided with a positioning hole and a wire clamping hole, the aluminum nickel plating piece is in press connection with the positioning plate, the positioning pin penetrates out from the positioning hole in an adaptive mode, and the wire clamping structure penetrates out from the wire clamping hole in an adaptive mode.
The beneficial effect of adopting the above further scheme is: the positioning plate is arranged, so that the front direction of the battery cell is limited, and the mounting structure is more compact; through setting up locating pin and card line structure, make things convenient for the installation location of aluminium nickel-plating piece and prevent slow-witted.
Furthermore, the shell is of a cubic structure surrounded by an upper side plate, a lower side plate, a front cover plate and two end plates which are formed by extrusion of aluminum alloy materials, the two end plates are respectively pressed on the outer sides of the two insulating partition plates, the upper side plate is welded at the upper ends of the two end plates by adopting laser side seams, the lower side plate is welded at the lower ends of the two end plates by adopting laser side seams, and the front cover plate is clamped on a positioning plate at the front end of the cross rod;
the improved battery lifting device is characterized in that a cavity is formed in the end plate, a module mounting hole communicated with the cavity is formed in the upper end of the end plate, a lifting tool clamping hole communicated with the cavity is formed in one side wall of the battery cell and far away from the end plate, a clamping hole communicated with the cavity is formed in one side wall of the battery cell and close to the end plate, a clamping rib is formed on one side of the insulating partition plate close to the end plate, and the clamping rib is adaptive to and inserted into the clamping hole.
The beneficial effect of adopting the further scheme is that: through adopting laser side seam welding, the centre gripping that makes the electric core firm is between two end plates and curb plate from top to bottom, and overall structure is more stable.
Furthermore, the upper end and the lower end of the front cover plate are bent towards the direction close to the battery cell to form a first upper clamping hook and a first lower clamping hook; a second upper clamping hook is arranged on the positioning plate positioned at the front end of the uppermost transverse rod on the longitudinal partition frame, and a second lower clamping hook is arranged on the positioning plate positioned at the front end of the lowermost transverse rod; the first upper clamping hook is in adaptive clamping connection with the second upper clamping hook, and the first lower clamping hook is in adaptive clamping connection with the second lower clamping hook.
The beneficial effect of adopting the further scheme is that: the front cover plate is connected with the positioning plate at the front end of the cross rod through the clamping hook, so that the disassembly, assembly and maintenance are convenient.
Furthermore, the battery pack further comprises a plastic cover plate, the plastic cover plate is in a compression joint mode with the front cover plate and the battery cores, a clamping line avoiding hole and a collecting line welding avoiding hole are formed in the plastic cover plate, and the clamping line structure penetrates out of the clamping line hole and then penetrates out of the clamping line avoiding hole.
The beneficial effect of adopting the above further scheme is: through setting up the plastic uptake apron, can play the effect of accepting to gathering the pencil, the card line keeps away setting up of position hole and has made things convenient for wearing out of card line structure, and the welding of gathering the line welding and keeping away setting up of position hole has made things convenient for the welding of gathering the line.
The partition frame further comprises a plurality of graphite sheets, inserting grooves are formed in the transverse partition plates, the inserting grooves of the groups of transverse partition plates on the left side and the right side of the longitudinal partition frame correspond to each other up and down and penetrate through the longitudinal partition frame to form two inserting through grooves, and the graphite sheets are vertically inserted into the inserting through grooves.
The beneficial effect of adopting the above further scheme is: through setting up the graphite flake, be favorable to in time deriving of the heat in the middle of the electric core for electric core temperature distribution is more even, has improved the life of electric core.
Further, the upper end and the lower end of the graphite sheet are respectively bent vertically in opposite directions to form an upper pressing plate and a lower pressing plate, and the upper pressing plate and the lower pressing plate are respectively in press connection with the upper ends and the lower ends of two adjacent rows of electric cores; the upper pressing plate and the lower pressing plate are tightly attached to the inner wall of the shell, and heat-conducting silicone grease is coated on the contact surface of the upper pressing plate and the lower pressing plate with the shell.
The beneficial effect of adopting the further scheme is that: through setting up top board and holding down plate for the joint of graphite flake and transverse partition is more firm, coats heat conduction silicone grease on with the casing contact surface, has reduced the thermal resistance, has improved heat conduction efficiency.
Drawings
FIG. 1 is a schematic perspective view of a module structure according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic diagram of a three-dimensional explosion structure of the module structure of the present invention;
FIG. 4 is an enlarged view of the portion B in FIG. 3;
FIG. 5 is an enlarged view of the portion C of FIG. 3;
FIG. 6 is an enlarged view of the portion D in FIG. 3;
FIG. 7 is a first perspective view of the insulating support of the present invention;
FIG. 8 is an enlarged view of section E of FIG. 6;
FIG. 9 is a schematic perspective view of the insulating support of the present invention;
fig. 10 is a schematic perspective view of a blister cover plate according to the present invention;
fig. 11 is a schematic perspective view of a graphite sheet of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
100. an electric core;
200. an aluminum nickel-plating sheet; 201. positioning holes; 202. a wire clamping hole;
300. a plastic suction cover plate; 301. a wire clamping avoiding hole; 302. collecting a line welding clearance hole;
400. a longitudinal bulkhead; 401. a plate body; 402. a cross bar; 403. a vertical rod; 404. positioning a plate; 405. positioning pins; 406. a hook is clamped; 407. a second upper hook; 408. a second lower hook; 409. inserting grooves;
500. an insulating spacer;
600. a housing; 601. an upper side plate; 602. a lower side plate; 603. a front cover plate; 604. an end plate; 605. a first upper hook; 606. a first lower hook; 607. an upper baffle plate; 608. a lower baffle plate; 609. a module mounting hole; 610. clamping holes of a hoisting tool; 611. a clamping hole; 612. clamping ribs; 613. a rib is protruded;
700. a graphite sheet; 701. an upper pressure plate; 702. and (5) pressing the plate downwards.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1 to fig. 11, the general module structure for a square battery cell of the present embodiment includes a casing 600, a plurality of battery cells 100 transversely disposed in the casing 600, an insulating support, and an aluminum-plated nickel plate 200 welded to the poles of the battery cells 100, where the poles of the battery cells 100 are all disposed toward the front side of the casing 600; the insulating support sets up in the casing 600 and inject a plurality of independent and mutual installation space that communicate in the casing 600, it is a plurality of battery core 100 one-to-one arranges in a plurality of in the installation space and the crimping is in on the insulating support, arbitrary adjacent two leave the inflation clearance between the battery core 100.
In the embodiment, the battery cell is transversely arranged, so that the space utilization rate in the shell is effectively improved, and the cost can be effectively saved by adopting the aluminum nickel plating sheet for electric connection; the battery cores are separated by the insulating support, so that an expansion gap is reserved between any two battery cores, and the battery cores can be effectively prevented from bulging to cause inaccurate installation size.
As shown in fig. 3, the insulating support of this embodiment includes a plurality of longitudinal partition frames 400 and two insulating partition plates 500 respectively disposed at left and right sides in a casing 600, wherein a plurality of groups of transverse partition plates arranged at equal intervals are fixed at one side of the insulating partition plates 500 close to the battery cell 100, and a plurality of groups of transverse partition plates arranged at equal intervals are fixed at left and right sides of the longitudinal partition frames 400; multiple columns of vertical installation channels are formed between the insulating partition plate 500 and the adjacent longitudinal partition frames 400 and between the two adjacent longitudinal partition frames 400, and each installation channel is defined by a plurality of installation spaces which are arranged up and down by the transverse partition plate positioned in the installation channel. That is to say, one longitudinal partition frame 400 is crimped between two adjacent rows of battery cells 100, and two sets of transverse partition plates are crimped on the upper and lower sides of each battery cell 100. Through setting up vertical bulkhead, insulating barrier and transverse baffle, with the integrated design of prior art's framework and tray, can effectively keep apart between the electric core, and reduced the material kind, the cost is reduced.
Specifically, the longitudinal partition frames 400, the insulating partition plates 500 and the transverse partition plates are all made of plastic materials.
As shown in fig. 6 to 9, the longitudinal partition frame 400 is a square frame body formed by connecting two vertical rods 403 and a plurality of cross rods 402, and two ends of each cross rod 402 are respectively and vertically and fixedly connected with the two vertical rods 403; a group of transverse partition plates are respectively arranged on the left side and the right side of each transverse rod 402, and one battery cell 100 is correspondingly crimped between the left side and the right side of two adjacent transverse rods 402 on the longitudinal partition frame 400. The vertical bars 403 and the transverse bars 402 are arranged, so that the edges of the battery cells 100 are abutted against the vertical bars 403 or the transverse bars 402, and the space between the transverse bars 402 and the vertical bars 403 forms an expansion gap between the left and right adjacent battery cells 100. As shown in fig. 6 to 9, the longitudinal partition frame 400 includes four cross bars 402, three mounting areas are defined between the four cross bars 402, and one battery cell 100 is correspondingly disposed on the left and right sides of each mounting area.
As shown in fig. 6 to 9, each set of the transverse partition boards includes two horizontally arranged board bodies 401, and the two board bodies 401 are disposed at positions close to two ends of the cross bar 402. Through setting up two plate bodies that are close to the horizontal pole both ends, formed the inflation clearance between the upper and lower electric core promptly.
As shown in fig. 6 to fig. 9, two positioning plates 404 are vertically fixed at the front and rear ends of the cross bar 402, one positioning plate 404 is respectively abutted against four corners at the front and rear sides of each electrical core 100, and a positioning pin 405 and a wire clamping structure are arranged on a side surface of the positioning plate 404 arranged at the front side of the electrical core 100, which is far away from the cross bar 402; the aluminum nickel-plated sheet 200 is provided with a positioning hole 201 and a wire clamping hole 202, the aluminum nickel-plated sheet 200 is pressed on the positioning plate 404, the positioning pin 405 penetrates through the positioning hole 201 in a matching manner, and the wire clamping structure penetrates through the wire clamping hole 202 in a matching manner. The positioning plate is arranged, so that the front direction of the battery cell is limited, and the mounting structure is more compact; through setting up locating pin and card line structure, make things convenient for the installation location of nickel-plated aluminium piece and prevent slow-witted.
Specifically, the wire clamping structure is formed by two oppositely arranged clamping hooks 406, and the collecting wire passes through the space between the two clamping hooks 406 and is limited by the two clamping hooks 406.
As shown in fig. 6-9, positioning pins 405 are respectively disposed on positioning plates 404 at two ends of the uppermost and lowermost transverse rods 402 of the longitudinal partition frame 400, two positioning pins 405 are respectively disposed on positioning plates 404 at two ends of the transverse rod 402 at the middle position of the longitudinal partition frame 400, the positioning plates 404 are square plates, and the two positioning pins 405 are respectively disposed at two diagonal positions of the positioning plates 404.
Taking the installation and positioning of one battery cell 100 as an example, the battery cell 100 is installed between two longitudinal bulkheads 400, where the two longitudinal bulkheads 400 are a first longitudinal bulkhead and a second longitudinal bulkhead respectively; the left side and the right side of the battery cell 100 are respectively crimped with a longitudinal partition frame 400, the upper and lower edges of the left side of the battery cell 100 are respectively crimped on two adjacent transverse rods of the first longitudinal partition frame, the front and rear edges of the left side of the battery cell 100 are respectively crimped on two adjacent vertical rods of the first longitudinal partition frame, the upper and lower edges of the right side of the battery cell 100 are respectively crimped on two adjacent transverse rods of the second longitudinal partition frame, and the front and rear edges of the right side of the battery cell 100 are respectively crimped on two adjacent vertical rods of the second longitudinal partition frame. Four corners of the front side of the battery cell 100 are respectively abutted to four positioning plates at the front side of the first longitudinal partition frame, and four corners of the rear side of the battery cell 100 are respectively abutted to four positioning plates at the rear side of the second longitudinal partition frame. Because the locating plate sets up in the cross position department of horizontal pole and montant, the front side or the rear side of adjacent electric core can share a locating plate.
As shown in fig. 1-3, the housing 600 is a cubic structure surrounded by an upper side plate 601, a lower side plate 602, a front cover plate 603 and two end plates 604 formed by extrusion of an aluminum alloy material, the two end plates 604 are respectively pressed on the outer sides of the two insulating partition plates 500, the upper side plate 601 is welded at the upper ends of the two end plates 604 by laser side seam welding, and the lower side plate 602 is welded at the lower ends of the two end plates 604 by laser side seam welding; the front cover plate 603 is clipped on the positioning plate 404 at the front end of the cross bar 402. Through adopting laser side seam welding, the centre gripping that makes the electric core firm is between two end plates and curb plate from top to bottom, and overall structure is more stable. The end plate 604 is internally provided with a cavity, the upper end of the end plate 604 is provided with a module mounting hole 609, one side wall of the end plate 604 far away from the battery cell 100 is provided with a hoisting tool clamping hole 610, one side wall of the end plate 604 close to the battery cell 100 is provided with a clamping hole 611, one side of the insulating partition plate 500 close to the end plate 604 is provided with a clamping rib 612, and the clamping rib 612 is inserted into the clamping hole 611 in a matching manner; the module mounting hole 609, the hoisting tool clamping hole 610 and the clamping hole 611 are communicated with the cavity. The clamping holes of the hoisting tool are convenient for taking and placing the module structure (not marked in fig. 1). The upper side plate is also provided with a hole corresponding to the module mounting hole, the upper side plate can firstly pass through the module mounting hole through a bolt to be fixed with the hole on the upper side plate, and then the upper side plate is welded through laser side welding.
Specifically, as shown in fig. 3, the rear end of the upper side plate 601 is bent downward vertically to form an upper baffle 607, the rear end of the lower side plate 602 is bent upward vertically to form a lower baffle 608, the upper baffle 607 abuts against the rear side of the top row of battery cells 100, and the lower baffle 608 abuts against the rear side of the bottom row of battery cells 100.
As shown in fig. 3 to fig. 5, the upper and lower ends of the front cover plate 603 are bent toward the battery cell 100 to form a first upper hook 605 and a first lower hook 606; a second upper hook 407 is arranged on the positioning plate 404 at the front end of the uppermost cross bar 402 on the longitudinal partition frame 400, and a second lower hook 408 is arranged on the positioning plate 404 at the front end of the lowermost cross bar 402; the first upper hook 605 is adapted to be clamped on the second upper hook 407, and the first lower hook 606 is adapted to be clamped on the second lower hook 408. The front cover plate is connected with the positioning plate at the front end of the cross rod through the clamping hook, so that the disassembly, assembly and maintenance are convenient.
Specifically, the end of the first upper hook 605 is bent downward and toward the front cover plate 603, and the end of the first lower hook 606 is bent upward and toward the front cover plate 603; the end of the second upper hook 407 is bent upward and toward the positioning plate 404, and the end of the second lower hook 408 is bent downward and toward the positioning plate 404.
In addition, as shown in fig. 6-9, only one hook 406 is actually disposed on the wire-clamping structure on the positioning plate 404 at two ends of the uppermost and lowermost transverse rods 402 of the longitudinal partition frame 400, the hook 406 is located at a side away from the bending direction of the second upper hook 407 or the second lower hook 408, and the hook 406 can be bent toward the direction of the second upper hook 407 or the second lower hook 408, that is, the collecting wire can be clamped in the hook 406 and limited by the second upper hook 407 or the second lower hook 408.
As shown in fig. 1, fig. 3 and fig. 10, the battery further includes a plastic cover plate 300, the plastic cover plate 300 is crimped between the front cover plate 603 and the battery core 100, the plastic cover plate 300 is provided with a clamping line clearance hole 301 and a collecting line welding clearance hole 302, and the clamping line structure penetrates out from the clamping line clearance hole 301 after penetrating out from the clamping line hole 202. Through setting up the plastic uptake apron, can play the effect of accepting to gathering the pencil, the card line keeps away setting up of position hole and has made things convenient for wearing out of card line structure, and the welding that the welding of gathering the line had kept away the position hole is gathered and has been made things convenient for the welding of gathering the line, for example when the gathering line need weld on the aluminium nickel plating piece, the welding department can follow gather the line welding and keep away the position hole and expose, make the installation of plastic uptake apron level and smooth stable.
In addition, a plurality of transverse ribs 613 are further disposed on a side of the front cover plate 603 close to the battery cell 100, and when the front cover plate 603 is clamped on the positioning plate 404, the ribs 613 abut against the blister cover plate 300.
As shown in fig. 3 and 11, the partition board further includes a plurality of graphite sheets 700, the transverse partition boards are formed with insertion grooves 409, the insertion grooves 409 of the plurality of groups of transverse partition boards on the left side or/and the right side of the longitudinal partition frame 400 correspond to each other up and down and penetrate through to form an insertion through groove, and the graphite sheets 700 are vertically inserted into the insertion through groove. Through setting up graphite flake 700, be favorable to the heat in the middle of the electric core in time to derive for electric core temperature distribution is more even, has improved the life of electric core.
In fact, as shown in fig. 6 to 9, the plate body 401 is vertically fixed on a side of the positioning plate 404 close to the cross bar 402, and a gap is reserved between the plate body 401 and the cross bar 402 to form the insertion slot 409. The notches of the insertion grooves 409 on the two plate bodies 401 of one group of the transverse partition plates are corresponding, and the left end and the right end of the graphite sheet 700 are respectively inserted into the two insertion grooves 409 which are correspondingly arranged.
As shown in fig. 3 and 11, the upper and lower ends of the graphite sheet 700 are respectively bent vertically in opposite directions to form an upper pressing plate 701 and a lower pressing plate 702, and the upper pressing plate 701 and the lower pressing plate 702 are respectively crimped to the upper ends and the lower ends of two adjacent rows of battery cells 100; the upper pressing plate 701 and the lower pressing plate 702 are arranged to be tightly attached to the inner wall of the shell 600, and heat-conducting silicone grease is coated on the contact surface of the upper pressing plate and the lower pressing plate with the shell 600. Through setting up top board and holding down plate for the joint of graphite flake and transverse partition is more firm, coats heat conduction silicone grease on with the casing contact surface, has reduced the thermal resistance, has improved heat conduction efficiency.
The battery cells 100 of the present embodiment are divided into 9 groups, each group is formed by connecting 6 battery cells 100 in parallel, the 9 battery cells 100 are arranged in three rows, each row has 18 battery cells 100, each row of the battery cells 100 is arranged in a one-to-one correspondence manner, that is, the battery cells 100 are divided into 18 rows, and each row has 3 battery cells 100. That is to say, the embodiment includes 17 longitudinal partition frames 400, one longitudinal partition frame 400 is crimped between every two adjacent rows of the battery cells 100, and each longitudinal partition frame 400 is provided with four transverse rods 402. The battery cells 100 of each group are connected in series through the nickel-plated aluminum sheet 200. A plurality of electric cores are all transversely arranged, unify module kind and specification, have improved casing inner space's utilization ratio, can guarantee suitable electric clearance simultaneously, very big reduction the potential safety hazard, simple to operate, the reliability is high.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (8)
1. The general module structure of the square battery cell is characterized by comprising a shell (600), a plurality of battery cells (100) transversely arranged in the shell (600), an insulating support and an aluminum nickel plating sheet (200) welded with the poles of the battery cells (100), wherein the poles of the battery cells (100) are all arranged towards the front side of the shell (600);
the insulating support is arranged in the shell (600), a plurality of independent and mutually communicated installation spaces are defined in the shell (600), the plurality of battery cells (100) are correspondingly arranged in the installation spaces one by one and are crimped on the insulating support, and an expansion gap is reserved between any two adjacent battery cells (100);
the insulating support comprises a plurality of longitudinal partition frames (400) and two insulating partition plates (500) respectively arranged on the left side and the right side in a shell (600), a plurality of groups of transverse partition plates which are arranged at equal intervals are fixed on one side, close to the battery core (100), of the insulating partition plates (500), and a plurality of groups of transverse partition plates which are arranged at equal intervals are fixed on the left side and the right side of each longitudinal partition frame (400); multiple columns of vertical installation channels are formed between the insulating partition plates (500) and the adjacent longitudinal partition frames (400) and between the two adjacent longitudinal partition frames (400), and each installation channel is defined by the transverse partition plates in the installation channels to form a plurality of installation spaces which are arranged up and down;
the longitudinal partition frame (400) is a square frame body formed by connecting two vertical rods (403) and a plurality of transverse rods (402), the front end and the rear end of each transverse rod (402) are respectively and vertically fixed with a positioning plate (404), four corners of the front side and the rear side of each battery cell (100) are respectively connected with one positioning plate (404), and one side face, far away from the transverse rods (402), of the positioning plate (404) arranged on the front side of the battery cell (100) is provided with a positioning pin (405) and a wire clamping structure; the wire clamping structure is formed by two oppositely arranged clamping hooks (406);
the aluminum nickel plating piece (200) is provided with a positioning hole (201) and a wire clamping hole (202), the aluminum nickel plating piece (200) is in pressure joint with the positioning plate (404), the positioning pin (405) penetrates out of the positioning hole (201) in an adaptive mode, and the wire clamping structure penetrates out of the wire clamping hole (202) in an adaptive mode.
2. The universal module structure of square battery cells according to claim 1, wherein two ends of the plurality of cross bars (402) are respectively and vertically and fixedly connected with two vertical bars (403); the left side and the right side of each transverse rod (402) are respectively provided with a group of transverse partition plates, and the left side and the right side between two adjacent transverse rods (402) on the longitudinal partition frame (400) are respectively and correspondingly crimped with one battery cell (100).
3. The structure of a square battery cell universal module set according to claim 2, wherein each group of the transverse partition plates comprises two horizontally arranged plate bodies (401), and the two plate bodies (401) are disposed at positions of the cross bar (402) near two ends.
4. The universal module structure of square battery cells of claim 1, wherein the housing (600) is a cubic structure surrounded by an upper side plate (601), a lower side plate (602), a front cover plate (603) and two end plates (604) formed by extrusion of aluminum alloy material, the two end plates (604) are respectively pressed on the outer sides of the two insulating partition plates (500), the upper side plate (601) is welded on the upper ends of the two end plates (604) by laser side seam welding, the lower side plate (602) is welded on the lower ends of the two end plates (604) by laser side seam welding, and the front cover plate (603) is clamped on the positioning plate (404) at the front end of the cross bar (402);
the utility model discloses a battery clamping structure, including end plate (604), end plate (604) have a cavity in, the upper end of end plate (604) seted up with module mounting hole (609) that the cavity is linked together, end plate (604) are kept away from seted up on the lateral wall of electric core (100) with the frock centre gripping hole (610) is lifted by crane that the cavity is linked together, end plate (604) are close to seted up on the lateral wall of electric core (100) with joint hole (611) that the cavity is linked together, be close to on insulating barrier (500) one side of end plate (604) is formed with joint muscle (612), joint muscle (612) adaptation is pegged graft in joint hole (611).
5. The structure of a square battery cell universal module according to claim 4, wherein the upper and lower ends of the front cover plate (603) are bent towards the direction close to the battery cell (100) to form a first upper hook (605) and a first lower hook (606); a second upper hook (407) is arranged on the positioning plate (404) which is positioned at the front end of the uppermost cross rod (402) on the longitudinal partition frame (400), and a second lower hook (408) is arranged on the positioning plate (404) which is positioned at the front end of the lowermost cross rod (402); the first upper hook (605) is in adaptive clamping connection with the second upper hook (407), and the first lower hook (606) is in adaptive clamping connection with the second lower hook (408).
6. The universal module structure for square battery cells according to claim 4, further comprising a plastic cover plate (300), wherein the plastic cover plate (300) is crimped between the front cover plate (603) and the battery cells (100), the plastic cover plate (300) is provided with a wire clamping clearance hole (301) and a wire collecting welding clearance hole (302), and the wire clamping structure penetrates out of the wire clamping hole (202) and then penetrates out of the wire clamping clearance hole (301).
7. The general module structure of square battery cells according to any one of claims 1 to 6, further comprising a plurality of graphite sheets (700), wherein the transverse partition plates are formed with insertion grooves (409), the insertion grooves (409) of the groups of transverse partition plates on the left and right sides of the longitudinal partition frame (400) correspond to each other up and down and penetrate to form two insertion through grooves, and the graphite sheets (700) are vertically inserted into the insertion through grooves.
8. The structure of the square battery cell universal module according to claim 7, wherein the upper and lower ends of the graphite sheet (700) are respectively bent vertically in opposite directions to form an upper pressing plate (701) and a lower pressing plate (702), and the upper pressing plate (701) and the lower pressing plate (702) are respectively crimped at the upper end and the lower end of two adjacent columns of battery cells (100); the upper pressing plate (701) and the lower pressing plate (702) are tightly attached to the inner wall of the shell (600), and heat-conducting silicone grease is coated on the contact surface of the upper pressing plate and the lower pressing plate (702) and the shell (600).
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| CN201710712859.9A CN107394082B (en) | 2017-08-18 | 2017-08-18 | Universal module structure for square battery cell |
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| CN201710712859.9A CN107394082B (en) | 2017-08-18 | 2017-08-18 | Universal module structure for square battery cell |
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| CN110505772B (en) * | 2018-05-18 | 2023-02-10 | 蒋亮健 | Box type electrostatic field generator device |
| US11962026B2 (en) * | 2018-08-06 | 2024-04-16 | Sanyo Electric Co., Ltd. | Power supply device and vehicle equipped therewith |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202363531U (en) * | 2011-12-02 | 2012-08-01 | 苏州冠硕新能源有限公司 | Battery module frame and battery assembly using the frame |
| CN204991807U (en) * | 2015-09-15 | 2016-01-20 | 北京普莱德新能源电池科技有限公司 | Rectangular cell module |
| CN205564854U (en) * | 2016-04-21 | 2016-09-07 | 安徽天鑫能源科技有限公司 | Battery module structure |
| CN205790154U (en) * | 2016-06-29 | 2016-12-07 | 东莞市钜大电子有限公司 | A kind of battery modules of improvement |
| CN207217617U (en) * | 2017-08-18 | 2018-04-10 | 北京普莱德新能源电池科技有限公司 | A kind of general modular structure of square electric cell |
-
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202363531U (en) * | 2011-12-02 | 2012-08-01 | 苏州冠硕新能源有限公司 | Battery module frame and battery assembly using the frame |
| CN204991807U (en) * | 2015-09-15 | 2016-01-20 | 北京普莱德新能源电池科技有限公司 | Rectangular cell module |
| CN205564854U (en) * | 2016-04-21 | 2016-09-07 | 安徽天鑫能源科技有限公司 | Battery module structure |
| CN205790154U (en) * | 2016-06-29 | 2016-12-07 | 东莞市钜大电子有限公司 | A kind of battery modules of improvement |
| CN207217617U (en) * | 2017-08-18 | 2018-04-10 | 北京普莱德新能源电池科技有限公司 | A kind of general modular structure of square electric cell |
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