CN111952497B - Battery grouping structure beneficial to battery monomer recovery echelon utilization - Google Patents
Battery grouping structure beneficial to battery monomer recovery echelon utilization Download PDFInfo
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- CN111952497B CN111952497B CN202010675736.4A CN202010675736A CN111952497B CN 111952497 B CN111952497 B CN 111952497B CN 202010675736 A CN202010675736 A CN 202010675736A CN 111952497 B CN111952497 B CN 111952497B
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention relates to a battery grouping structure beneficial to the gradual utilization of battery monomer recovery, which comprises a box body base, a battery core assembly and a fixed positioning structure: an accommodating groove is formed in the base of the box body; the battery cell assembly comprises a plurality of single battery cells arranged in the accommodating groove side by side, and every two adjacent single battery cells are electrically connected through the quick connection assembly; fixed position structure detachably connect in on the box base for fixed position the electric core subassembly in the holding tank. The invention can solve the problem that the single battery cell of the power battery is difficult to disassemble and recycle in the related technology.
Description
Technical Field
The invention relates to the technical field of automobile batteries, in particular to a battery grouping structure beneficial to recycling of single batteries in a gradient manner.
Background
At present, new energy automobiles are vigorously developed in China, and the accumulated value of retired power batteries in China reaches 25GWH in this year. However, among present power battery, mainly establish ties a plurality of monomer electric core welding aluminium rows and establish ties in groups, adopt the rubber coating to fix more between monomer electric core and the monomer electric core moreover, then with a plurality of monomer electric core welding back together, laser welding end plate and curb plate in order to form overall structure's battery module again, form power battery with a plurality of battery module equipment again. This makes when dismantling the monomer electricity core of retrieving among the power battery, need disassemble the battery module among the power battery earlier, disassembles the monomer electricity core in the battery module again, leads to dismantling the recovery of monomer electricity core very difficult.
Disclosure of Invention
The invention provides a battery grouping structure beneficial to the gradual utilization of battery monomer recovery, which aims to solve the problem that the monomer battery core of a power battery is difficult to disassemble and recover in the related technology.
In a first aspect, the present invention provides a battery grouping structure for facilitating battery cell recycling, comprising:
the box body base is provided with a containing groove;
the battery core assembly comprises a plurality of single battery cores which are arranged in the accommodating groove side by side, and every two adjacent single battery cores are electrically connected through the quick connection assembly; and the number of the first and second groups,
and the fixed positioning structure is detachably connected to the box body base and is used for fixing and positioning the electric core assembly in the accommodating groove.
In some embodiments, the fixing and positioning structure includes one cell fixing seat detachably disposed at each of two opposite ends of the box base, and the cell assembly is fixed between the two cell fixing seats.
In some embodiments, the cell fixing seat includes a fixing bottom plate screwed with the base of the box body, and a fixing top plate disposed on top of the fixing bottom plate;
the fixing bottom plates of the two battery cell fixing seats are abutted to the two end faces of the battery cell assembly in a one-to-one correspondence manner, and the fixing top plates of the two battery cell fixing seats are covered on the two sides of the top face of the battery cell assembly in a one-to-one correspondence manner.
In some embodiments, the cell fixing seat includes an insulating member disposed on an inner side of the fixing bottom plate and an inner side of the fixing top plate, and the insulating member abuts against and contacts the cell assembly.
In some embodiments, a positive electrode quick connection plug and a negative electrode quick connection plug are respectively arranged at two ends of each single battery cell, and the quick connection assembly includes a positive electrode quick connection wire and a negative electrode quick connection wire;
the positive quick-connection plugs of the two adjacent monomer electric cores are electrically connected through the positive quick-connection wires, and the negative quick-connection plugs of the two adjacent monomer electric cores are electrically connected through the negative quick-connection wires.
In some embodiments, the box base includes a box bottom plate, a box side plate surrounding the box bottom plate, and a battery core cooling structure disposed on the box bottom plate, wherein the accommodating groove is formed between the box bottom plate and the box side plate.
In some embodiments, the cell cooling structure comprises at least one cooling plate structure disposed on the case floor;
the cooling plate structure comprises an upper cooling plate and a lower cooling plate which are arranged side by side from top to bottom, and a plurality of partition ribs are arranged between the upper cooling plate and the lower cooling plate and are used for partitioning a cooling cavity between the upper cooling plate and the lower cooling plate to form a plurality of cooling flow channels, and each cooling flow channel is provided with a liquid inlet at one end and a liquid outlet at the other end.
In some embodiments, the cell cooling structure includes a thermally conductive adhesive disposed on a top surface of the upper cold plate, the thermally conductive adhesive contacting the individual cells.
In some embodiments, the cell assembly includes a plurality of bands bundled on the outer periphery of the single cells, and a frame-shaped buffer spacer is disposed between every two adjacent single cells.
In some embodiments, a bottom insulating film is arranged on the bottom wall surface of the accommodating groove, and the electric core assembly is arranged on the bottom insulating film; alternatively, the first and second liquid crystal display panels may be,
the bottom surface of monomer electricity core is equipped with the bottom insulating film, the bottom insulating film with the diapire face contact of holding tank.
The technical scheme provided by the invention has the beneficial effects that: simplify power battery's structure, be convenient for disassemble the recovery to power battery's monomer electricity core.
The embodiment of the invention provides a battery grouping structure beneficial to the gradual utilization of battery monomer recovery, a plurality of monomer battery cores are connected in parallel to form a battery core assembly, the battery core assembly is detachably fixed on a box body base through a fixing and positioning structure, a three-layer structure of a monomer battery core-battery module-battery pack (power battery) in the related technology can be improved into a two-layer structure of a large monomer battery core-battery pack, a module-free scheme can be realized, the cost can be reduced by reducing the number of module parts, and the energy density of the power battery can be improved; moreover, when a single monomer core fails, the corresponding single monomer core can be directly replaced without replacing the single monomer core from a module level, so that the after-sale maintenance cost of the power battery is reduced; in addition, when the power battery is recycled in the future, the single battery core can be easily disassembled, and the recycling cost of the power battery is reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic perspective view of a battery grouping structure for facilitating the gradual recycling of battery cells according to an embodiment of the present invention;
FIG. 2 is an exploded view of a battery cell assembly that facilitates battery cell recycling in a cascading fashion in accordance with an embodiment of the present invention;
fig. 3 is a schematic perspective view of a base of a case body of a battery grouping structure for facilitating the gradual recycling of battery cells according to an embodiment of the present invention;
FIG. 4 is a schematic top view of a base of a case of a battery grouping structure for facilitating the battery cell recycling step according to an embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view of section B-B of FIG. 4;
fig. 6 is a schematic perspective view illustrating an electrode assembly of a battery grouping structure for facilitating battery cell recycling in a step according to an embodiment of the present invention.
In the figure: 100. a base of the box body; 102. accommodating grooves; 110. a box body bottom plate; 120. a box body side plate; 200. an electrical core assembly; 210. a single cell; 212. a positive electrode quick connection plug; 214. a negative electrode quick connection plug; 220. binding a belt; 230. a cushion pad; 240. a bottom insulating film; 250. a quick connect assembly; 300. fixing the positioning structure; 310. fixing the bottom plate; 320. fixing a top plate; 330. an insulating member.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The invention provides a battery grouping structure beneficial to the gradual utilization of battery monomer recovery, which aims to solve the problem that the monomer battery core of a power battery is difficult to disassemble and recover in the related technology.
As shown in fig. 1 to 2, the battery grouping structure beneficial to the recycling of battery cells comprises a box base 100, a battery cell assembly 200 and a fixing and positioning structure 300; moreover, the box base 100 is formed with a receiving groove 102; the battery core assembly 200 includes a plurality of single battery cells 210 arranged side by side in the accommodating groove 102, and every two adjacent single battery cells 210 are electrically connected through a quick connection assembly 250, so as to connect the plurality of single battery cells 210 in parallel; furthermore, the fixing and positioning structure 300 is detachably connected to the base 100 of the housing for fixing and positioning the electric core assembly 200 in the receiving slot 102.
According to the battery grouping structure beneficial to the gradual utilization of the battery monomer recovery, the plurality of monomer battery cores 210 are connected in parallel to form the battery core assembly 200, and the battery core assembly 200 is detachably fixed on the box body base 100 through the fixing and positioning structure 300, so that a three-layer structure of a monomer battery core-battery module-battery pack (power battery) in the related technology can be improved into a two-layer structure of a large monomer battery core-battery pack, a module-free scheme can be realized, the cost can be reduced by reducing the number of module parts, and the energy density of the power battery can be improved; moreover, when a single monomer core 210 fails, the corresponding single monomer core 210 can be directly replaced without replacing from a module level, so that after-sale maintenance cost of the power battery is reduced; in addition, when the power battery is recycled in the future, the single battery cell 210 can be easily disassembled, and the recycling cost of the power battery is reduced.
Specifically, as shown in fig. 3 to 5, the housing base 100 may include a housing bottom plate 110, a housing side plate 120 surrounding the housing bottom plate 110, and the accommodating groove 102 defined between the housing bottom plate 110 and the housing side plate 120, wherein the electric core assembly 200 is disposed in the accommodating groove 102. The cell assembly 200 can be carried by the bottom plate 110 of the case, and the cell assembly 200 can be limited from the peripheral side by the side plate 120 of the case. In addition, a case cover plate may be covered on the case base 100 to cover the battery pack assembly 200.
Further, the box bottom plate 110 may be an aluminum alloy profile plate, which has high strength, light weight, and good heat conduction and dissipation properties. Moreover, the bottom plate 110 may include one aluminum alloy section plate or a plurality of aluminum alloy section plates integrally joined together. In addition, the side panels 120 may include a plurality of side panels disposed on the periphery of the bottom panel 110, and the side panels may be spliced to form a square frame structure, so that the square frame structure is spliced with the bottom panel 110. Moreover, each side plate division plate can also be set as an aluminum alloy section plate.
In addition, above-mentioned box bottom plate 110 is last to be equipped with electric core cooling structure to place foretell electric core subassembly 200 on this electric core cooling structure, can cool off electric core subassembly, guarantee electric core subassembly normal work.
Moreover, the above-mentioned battery core cooling structure may include at least one cooling plate structure disposed on the top surface of the box bottom plate 110, and the battery core assembly 200 is placed on the cooling plate structure, and the battery core assembly 200 may be cooled by the cooling plate structure. Moreover, the battery cell cooling structure may include a cooling plate structure disposed on the bottom plate 110 of the box body, and the cooling plate structure may be fixed on the bottom plate 110 of the box body through a connecting bolt; in addition, the battery core cooling structure may also include a plurality of cooling plate structures disposed on the box bottom plate 110, and the plurality of cooling plate structures may be fixed on the box bottom plate 110 through connecting bolts. Moreover, a plurality of cooling plate structures can be arranged on the box body bottom plate 110 after being spliced into a whole, and can also be arranged on the box body bottom plate 110 in a scattered manner.
Further, the cooling plate structure may include a cooling plate main body and cooling plate covers respectively disposed at two ends of the cooling plate main body. Moreover, above-mentioned cooling plate main part can be including last cold drawing and lower cold drawing that set up side by side from top to bottom to and separate locate last cold drawing with a plurality of baffle muscle between the cold drawing down, a plurality of baffle muscle separate the cooling chamber of going up between cold drawing and the lower cold drawing and establish and form a plurality of cooling flow channels, and the one end of every cooling flow channel has the inlet, the other end has the liquid outlet. The cooling liquid can enter the cooling flow channel through the liquid inlet and is discharged out of the cooling flow channel through the liquid outlet, and the cooling liquid can take away heat on the cooling plate structure (or heat the cooling plate structure) in the process of flowing through the cooling flow channel so as to radiate (or heat) the electric core assembly placed on the cooling plate structure. Moreover, the cooling plate structure can also be an aluminum alloy section bar plate structure, namely the cooling plate structure can be formed by extrusion of aluminum alloy sections, so that the cooling plate structure has higher strength, lighter weight and good sealing property, and a product can be arranged to be thinner so as to reduce the volume of the product. Moreover, the cooling flow channel is integrally arranged on the cooling plate main body, so that the cooling plate main body has good supporting performance when having good heat dissipation performance, and is stable, reliable and not easy to deform when supporting the electric core assembly 200.
In addition, above-mentioned cooling plate lid can be including locating the end cover plate of the tip of cold plate down to and the lamina tecti of lid on locating the end cover plate, and sealed being formed with the stock solution chamber between lamina tecti and the lamina tecti, this stock solution chamber and inlet or liquid outlet intercommunication. And the both ends of cooling plate main part are equipped with a cooling plate lid respectively, and the stock solution chamber of one of them cooling plate lid communicates with the inlet of cooling runner, and the stock solution chamber of another cooling plate lid communicates with the liquid outlet of cooling runner, can all communicate a plurality of cooling runners through the stock solution chamber at both ends. In addition, a liquid inlet head can be arranged on the top cover plate of one cooling plate cover body of the cooling plate structure, and the liquid inlet head is communicated with a liquid storage cavity of the cooling plate cover body; in addition, a liquid outlet head can be arranged on the top cover plate of the other cooling plate cover body of the cooling plate structure, and the liquid outlet head is communicated with the liquid storage cavity of the cooling plate cover body. In addition, a liquid inlet pipeline can be connected with the liquid inlet head so as to convey cooling liquid into a liquid storage cavity through the liquid inlet pipeline; in addition, a liquid outlet pipeline can be arranged to be connected with the liquid outlet head so as to discharge the cooling liquid in the other liquid storage cavity through the liquid outlet pipeline.
In addition, the cooling plate structure of the battery core cooling structure can be separately and detachably arranged on the box body bottom plate 110, so that the cooling plate structure can be detachably connected to the box body bottom plate 110, and the installation, the disassembly and the maintenance are convenient; in addition, the cooling plate structure of the battery core cooling structure can be integrally arranged on the box body bottom plate 110, the cooling plate structure and the box body bottom plate 110 can be integrated, the box body bottom plate 110 can be directly arranged to be the cooling plate structure, and the weight and the structural volume of the structure can be reduced.
In addition, the cooling plate structure of the above-mentioned electric core cooling structure can be disposed on the box bottom plate 110, also can be disposed on the box side plate 120, also can be disposed on the box bottom plate 110 and the box side plate 120 at the same time, and can cool or heat up the electric core assembly from a plurality of positions.
In addition, the battery core cooling structure may further include a thermal conductive adhesive disposed on the top surface of the upper cold plate, and the thermal conductive adhesive is in contact with the individual battery cores of the battery core assembly 200. Thus, the heat conduction between the electric core assembly and the upper cold plate and the cooling plate structure can be accelerated, accelerating the cooling or heating effect.
In addition, as shown in fig. 6, the above-mentioned battery cell assembly 200 may include a plurality of unit battery cells 210 arranged side by side. The single battery cells 210 may be configured as long-strip-shaped large battery cells, so that the electric capacity of the battery may be increased. Moreover, both ends of each single battery cell 210 are respectively provided with a positive electrode quick connection plug 212 and a negative electrode quick connection plug 214, and the quick connection assembly 250 may include a positive electrode quick connection wire and a negative electrode quick connection wire; the positive quick-connection plugs 212 of every two adjacent single battery cells 210 are electrically connected through positive quick-connection wires, and the negative quick-connection plugs 214 of every two adjacent single battery cells 210 are electrically connected through negative quick-connection wires. In this way, a plurality of individual cells 210 can be connected in parallel in sequence by the quick connect assembly 250 to form the cell assembly 200. Moreover, the positive electrode fast connection wire and the negative electrode fast connection wire can comprise connection wires, and a first fast joint and a second fast joint which are respectively arranged at two ends of the connection wires. Moreover, the first quick connector can be plugged into one positive quick connector 212, and the second quick connector can be detached from the other positive quick connector 212; alternatively, the first quick connector can be plugged into one negative quick connector 214, and the second quick connector can be detached from the other negative quick connector 214.
Moreover, as shown in fig. 2, the battery cell assembly 200 may include a tie 220 tied around the outer periphery of the plurality of individual battery cells 210, that is, the plurality of individual battery cells 210 may be tied together by the tie 220, which is simple and convenient. Moreover, can tie up a plurality of monomer electric cores 210 from horizontal week side, also can tie up a plurality of monomer electric cores 210 from vertical week side, also can tie up a plurality of monomer electric cores 210 from horizontal week side and vertical week side simultaneously, need not to adopt structures such as end plate, curb plate with a plurality of monomer electric cores 210 fixed connection in order to form the battery module, connect simple and convenient also very low with costs, also make things convenient for the later stage to dismantle electric core subassembly 200 (only need cut the ribbon and can realize the dismantlement to electric core subassembly 200). Furthermore, a plurality of unit cells 210 may be bundled by one band 220, or may be bundled by a plurality of bands 220. In addition, a plurality of unit electric cores 210 may also be fixed by a limiting frame, so as to fix the plurality of unit electric cores 210 into the electric core assembly 200.
Moreover, in the plurality of unit cells 210, a frame-shaped buffer gasket 230 is disposed between every two adjacent unit cells 210, so that it is not necessary to fix the two adjacent unit cells 210 together with an adhesive. Through set up buffer shim 230 between two adjacent monomer electricity cores 210, can keep apart two adjacent monomer electricity cores 210, avoid two monomer electricity cores 210 directly to paste together and influence the heat dissipation, also can avoid taking place the extrusion and damaging between two adjacent monomer electricity cores 210. Moreover, by setting the cushion pad 230 to be a frame-shaped structure, the two cell cores 210 can be isolated, and a gap is conveniently formed between the two cell cores 210. In the present embodiment, the cushion pad 230 may be an elastic pad having an insulating property, that is, having a good insulating property and a good cushion property.
In addition, as shown in fig. 2, the fixing and positioning structure 300 may include a cell fixing seat detachably disposed at each of two opposite ends of the casing base 100, and the cell assembly 200 is fixed between the two cell fixing seats in a limiting manner. Through respectively setting up an electric core fixing base at box base 100 both ends, can follow electric core subassembly 200's both ends and carry out spacing fixed to it, can avoid electric core subassembly 200 to take place to remove on box base 100, also can make follow-up be convenient for dismantle electric core subassembly 200 (only need unpack electric core fixing base apart just can dismantle electric core subassembly 200).
Further, the battery cell fixing seat may include a fixing bottom plate 310 screwed with the box body base 100, and a fixing top plate 320 disposed at the top of the fixing bottom plate 310; moreover, the fixing bottom plates 310 of the two cell fixing bases are abutted to the two end faces of the cell assembly 200 in a one-to-one correspondence manner, and the fixing top plates 320 of the two cell fixing bases are covered on the two sides of the top face of the cell assembly 200 in a one-to-one correspondence manner. Like this, can make the electricity core fixing base that PMKD 310 and fixed roof 320 connect formation, form into the shape of falling L board structure, not only can carry on spacingly from the both ends of electricity core subassembly 200, still can carry on spacingly from the top of electricity core subassembly 200 for spacing simple but reliable to electricity core subassembly 200. In addition, in the present embodiment, the fixing bottom plate 310 may be detachably mounted on the cabinet base 100 by a coupling bolt, and the fixing top plate 320 may be detachably mounted on the top of the fixing bottom plate 310 by a coupling bolt. Like this, through dismantling fixed roof 320, just can remove the spacing to the top of electric core subassembly 200, can take out simple and convenient with monomer electric core 210 of electric core subassembly 200 from the holding tank 102 of box base 100. In addition, a plurality of the above-mentioned battery cell fixing seats may be disposed on the periphery of the box base 100 to limit and fix the battery cell assembly 200 from a plurality of directions, so that the battery cell assembly 200 is more reliably fixed.
Moreover, the above-mentioned cell fixing base may further include an insulating member 330 disposed inside the fixing bottom plate 310 and inside the fixing top plate 320, and the insulating member 330 is in abutting contact with the cell assembly 200. An insulator 330 may be provided between the stationary base plate 310 and the side of the electric core assembly 200 to insulate and isolate the two. In addition, an insulating member 330 may be disposed between the fixed top plate 320 and the top surface of the electrical core assembly 200 to insulate and isolate the two. In addition, the insulating members 330 can be arranged between the fixing bottom plate 310 and the side surface of the cell assembly 200 and between the fixing top plate 320 and the top surface of the cell assembly 200, so as to insulate and isolate the cell fixing base from the cell assembly 200. In addition, the insulating member 330 may be provided as an L-shaped insulating film having a shape corresponding to that of the cell holders.
In addition, the bottom wall surface of the accommodating groove 102 of the box body base 100 can be provided with a bottom insulating film 240, and the electric core assembly 200 can be placed on the bottom insulating film 240, i.e. the bottom insulating film 240 can be arranged on the box body base 100, so that the electric core assembly 200 can be insulated and isolated from the box body base 100. In addition, the bottom surface of the above-mentioned monomer battery cell 210 is provided with the bottom insulating film 240, and this bottom insulating film 240 contacts with the bottom wall surface of the accommodating groove 102 of the box base 100, that is, the bottom insulating film 240 can be disposed on the bottom of the battery cell assembly 200, and the insulation and isolation of the battery cell assembly 200 and the box base 100 can be realized.
The battery grouping structure beneficial to the gradual recycling of the battery monomer is characterized in that a two-layer structure of a monomer battery core-battery pack consisting of large battery cores and the monomer battery core with a quick plug connector are adopted, so that the structure of the power battery is simplified. After sale and power battery recovery in-process in the later stage, only need dismantle connecting bolt and plug wire bundle soon, can accomplish the change or the collection of monomer electricity core for it is very convenient simple to retrieve to disassemble of power battery's monomer electricity core, thereby but the cost is disassembled to feasible greatly reduced in later stage battery recovery in-process.
In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
It is noted that, in the present invention, relational terms such as "first" and "second", and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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 phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice 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 (7)
1. The utility model provides a be favorable to battery monomer to retrieve battery unitized construction of echelon utilization which characterized in that includes:
the box body base is provided with a containing groove;
the battery core assembly comprises a plurality of single battery cores which are arranged in the accommodating groove side by side, and every two adjacent single battery cores are electrically connected through the quick connection assembly; and the number of the first and second groups,
the fixed positioning structure is detachably connected to the box body base and is used for fixedly positioning the electric core assembly in the accommodating groove;
the fixed positioning structure comprises a battery cell fixing seat which is detachably arranged at two opposite ends of the box body base respectively, and the battery cell assembly is fixed between the two battery cell fixing seats;
the battery cell assembly comprises a binding belt which is bound on the outer peripheral side of the plurality of monomer battery cells, and a frame-shaped buffer gasket is arranged between every two adjacent monomer battery cells;
the battery cell fixing seat comprises a fixing bottom plate in threaded connection with the box body base and a fixing top plate arranged at the top of the fixing bottom plate;
the fixing bottom plates of the two battery cell fixing seats are abutted to two end surfaces of the battery cell assembly in a one-to-one correspondence manner, and the fixing top plates of the two battery cell fixing seats are covered on two sides of the top surface of the battery cell assembly in a one-to-one correspondence manner;
the fixed bottom plate and the fixed top plate are connected to form a battery cell fixed seat which is in an inverted L-shaped plate structure;
the fixed top plate is detachably arranged on the top of the fixed bottom plate.
2. The battery grouping structure for facilitating battery cell recycling echelon as claimed in claim 1, wherein the cell fixing base includes an insulating member disposed inside the fixing bottom plate and inside the fixing top plate, and the insulating member is in abutting contact with the cell assembly.
3. The battery grouping structure beneficial to battery cell recycling echelon as recited in claim 1, wherein a positive quick-connection plug and a negative quick-connection plug are respectively disposed at two ends of each cell core, and the quick-connection assembly comprises a positive quick-connection wire and a negative quick-connection wire;
the positive quick-connection plugs of the two adjacent monomer electric cores are electrically connected through the positive quick-connection wires, and the negative quick-connection plugs of the two adjacent monomer electric cores are electrically connected through the negative quick-connection wires.
4. The battery grouping structure for facilitating battery cell recycling and echelon utilization as claimed in any one of claims 1 to 3, wherein the box base includes a box bottom plate, box side plates surrounding the box bottom plate, and a battery cell cooling structure disposed on the box bottom plate, and the accommodating groove is defined between the box bottom plate and the box side plates.
5. The battery grouping structure for facilitating battery cell recycling echelon as recited in claim 4, wherein the cell cooling structure comprises at least one cooling plate structure disposed on the bottom plate of the box;
the cooling plate structure includes last cold drawing and lower cold drawing that sets up side by side from top to bottom, and separates to locate go up the cold drawing with a plurality of baffle muscle between the cold drawing down, it is a plurality of the baffle muscle will go up the cold drawing with cooling chamber between the cold drawing separates to establish and forms a plurality of cooling flow ways down, every the one end of cooling flow way has the inlet, the other end has the liquid outlet.
6. The battery grouping structure for facilitating battery cell recycling and echelon utilization as claimed in claim 5, wherein the cell cooling structure includes a thermally conductive adhesive disposed on a top surface of the upper cold plate, the thermally conductive adhesive contacting the cell.
7. The battery grouping structure for the battery cell recycling ladder as claimed in any one of claims 1 to 3, wherein a bottom insulating film is provided on the bottom wall surface of the accommodating groove, and the battery cell assembly is provided on the bottom insulating film; alternatively, the first and second electrodes may be,
the bottom surface of monomer electricity core is equipped with the bottom insulating film, the bottom insulating film with the diapire face contact of holding tank.
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| CN203134883U (en) * | 2013-02-17 | 2013-08-14 | 重庆长安汽车股份有限公司 | Fixing device of battery module |
| CN204407398U (en) * | 2014-12-30 | 2015-06-17 | 赵向荣 | A kind of cell both positive and negative polarity connected structure |
| CN209963118U (en) * | 2019-06-27 | 2020-01-17 | 宁德时代新能源科技股份有限公司 | Battery pack and vehicle |
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| CN111952497A (en) | 2020-11-17 |
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