CN213366696U - Battery module assembly, battery module and battery system - Google Patents

Battery module assembly, battery module and battery system Download PDF

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Publication number
CN213366696U
CN213366696U CN202021950561.5U CN202021950561U CN213366696U CN 213366696 U CN213366696 U CN 213366696U CN 202021950561 U CN202021950561 U CN 202021950561U CN 213366696 U CN213366696 U CN 213366696U
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battery
battery cell
battery module
hole
cell
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CN202021950561.5U
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Chinese (zh)
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何标
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Evergrande New Energy Technology Shenzhen Co Ltd
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Evergrande New Energy Technology Shenzhen Co Ltd
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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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Abstract

The utility model relates to a battery field provides a battery cell subassembly, battery module and battery system. The battery cell assembly comprises a battery cell unit, a supporting plate and an intermediate bracket. The battery cell units are sequentially connected along the length direction of the battery cell units, each battery cell unit comprises two battery cell monomers which are arranged in an array along the thickness direction of the battery cell unit, and the two ends of each battery cell monomer in the length direction are both connected with edge seals; the supporting plate is connected between the two battery cell monomers of the battery cell unit; the middle support comprises a middle main body connected between two adjacent supporting plates, the middle main body is arranged between the sealed edges of two adjacent electric core units, a middle fixing hole is formed in the middle main body, and the extending direction of the middle fixing hole is perpendicular to the length direction of the electric core units. The main part is realized fixedly in the middle of electric core subassembly accessible, and middle main part can be in length direction with the existing banding sharing space of two adjacent electric core units, need not additionally to increase its size on length direction again basically, can improve the utilization ratio of electric core subassembly on length direction by a wide margin.

Description

Battery module assembly, battery module and battery system
Technical Field
The utility model belongs to the technical field of the battery, especially, relate to a battery cell subassembly, battery module and battery system.
Background
In order to meet the electric quantity requirements and space requirements of different electric automobiles, a plurality of battery cell units may be sequentially connected along the length direction of the battery cell units to form a battery cell assembly, and the battery cell assemblies are arrayed in groups along the thickness direction of the battery cell assemblies to form a large-scale battery module. However, the conventional connecting structure connected between two adjacent cell units can occupy more length space of the cell assembly, and along with the increase of the number of the connecting structures, the utilization rate of the cell assembly in the length direction can be gradually reduced, so that the conventional cell assembly has the problem of lower utilization rate at least in the length direction.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the utility model is to provide an electric core subassembly to solve the lower technical problem of current electric core subassembly utilization ratio on length direction.
In order to achieve the above object, the utility model adopts the following technical scheme: an electric core assembly comprising:
the battery cell unit comprises two battery cell monomers which are arranged in an array along the thickness direction of the battery cell unit, and the two ends of the battery cell monomers in the length direction are both connected with edge seals;
the supporting plates are fixedly connected between the two battery cell monomers of the battery cell unit;
a plurality of middle supports, including the intermediate subject of fixed connection between two adjacent backup pads, intermediate subject locates between the banding of two adjacent electric core units, and intermediate subject has seted up middle fixed orifices, and the extending direction perpendicular to electric core unit's of middle fixed orifices length direction.
Through adopting above-mentioned scheme, the fixed of the electric core subassembly of long specification is directly realized to the middle fixed orifices of accessible intermediate main body, and, intermediate main body can be in the length direction of electric core subassembly with the existing banding shared space of two adjacent electric core units, even the quantity that sets up of intermediate support is many again, also need not additionally to increase the size of electric core subassembly on length direction again basically, occupation space, thereby do benefit to the length of the relative electric core subassembly of the length sum of each electric core unit and account for the ratio, make the utilization ratio of electric core subassembly on length direction can improve by a wide margin.
In one embodiment, the electric core assembly further comprises:
the first support is arranged at one end of the battery cell assembly and comprises a first main body which is fixedly connected to the supporting plate and arranged between the sealing edges of the two battery cell monomers, the first main body is provided with a first fixing hole, and the extending direction of the first fixing hole is vertical to the length direction of the battery cell unit;
the other end of electric core subassembly is located to the second support, and the second support includes fixed connection in the backup pad and locates the second main part between two electric core monomer banding, and the second fixed orifices has been seted up to the second main part, and the extending direction perpendicular to electric core unit's of second fixed orifices length direction.
Through adopting above-mentioned scheme, can further realize the fixed of the electric core subassembly of long specification through the first fixed orifices of first main part, the second fixed orifices of second main part, just, first main part and second main part can be in the length direction of electric core subassembly with the existing banding shared space of electric core monomer, and need not additionally to increase the size of electric core subassembly on length direction again, occupation space, thereby do benefit to the length of the relative electric core subassembly of the length sum of further ensureing each electric core unit and account for the ratio, make the utilization ratio of electric core subassembly on length direction further improve.
In one embodiment, the middle bracket further comprises two insulated middle transverse plates vertically connected to two ends of the middle main body, the two middle transverse plates are pressed against two sides of the cell unit, and the middle fixing hole is arranged through the middle main body and the two middle transverse plates;
the first support further comprises a first vertical plate which is connected to one side of the first main body, which is far away from the supporting plate, and is insulated, and two first transverse plates which are respectively vertically connected with and insulated from two ends of the first vertical plate, the two first transverse plates are pressed against two sides of the battery cell unit, and the first fixing hole is arranged through the first main body and the two first transverse plates;
the second support is characterized by further comprising a second vertical plate which is connected to one side of the second main body, which is far away from the supporting plate, and is insulated, and two second transverse plates which are respectively vertically connected with two ends of the second vertical plate and are insulated, wherein the two second transverse plates are pressed against two sides of the battery cell unit, and the second fixing hole penetrates through the second main body and the two second transverse plates.
By adopting the scheme, the first vertical plate and the second vertical plate can be abutted against the two opposite ends of the battery core assembly, and the plurality of middle transverse plates, the two first transverse plates and the two second transverse plates can be abutted against the two opposite sides of each battery core unit; on the other hand, after the cell assembly is in a modular structure, stable and reliable pressure is formed at two opposite ends and two opposite sides of the cell unit through the middle transverse plate, the first vertical plate, the first transverse plate, the second vertical plate and the second transverse plate, so that the stable state of each cell monomer is facilitated.
In one embodiment, the electric core assembly further comprises:
the at least two middle adapter pieces are respectively fixedly connected to two opposite sides of each middle main body in the thickness direction of the battery cell unit and are used for connecting two adjacent battery cell single bodies in the length direction of the battery cell unit;
the first conversion piece is fixedly connected to one side, away from the battery cell unit, of the first vertical plate and is used for connecting the two battery cell monomers of the battery cell unit;
and the second adapter piece is fixedly connected to one side of the second vertical plate, which deviates from the battery cell unit, and is used for connecting two battery cell monomers of the battery cell unit.
By adopting the scheme, the power connection relation among the battery cell monomers can be conveniently established through the middle adapter piece, the first adapter piece and the second adapter piece, the stability and the reliability of the established power connection relation are favorably ensured and improved, and the situations of accidental interruption and unstable connection of the power connection relation can be effectively avoided.
In one embodiment, the first vertical plate comprises a first vertical section, a second vertical section and a third vertical section which are connected in sequence, and in the direction parallel to the thickness direction of the cell unit, the width of the second vertical section is smaller than that of the first vertical section and smaller than that of the third vertical section, and is used for providing an avoidance interval for the electrical connection between the two cell monomers;
the second vertical plate comprises a fourth vertical section, a fifth vertical section and a sixth vertical section which are sequentially connected, the width of the fifth vertical section is smaller than that of the fourth vertical section in the thickness direction parallel to the battery cell unit, and the width of the fifth vertical section is smaller than that of the sixth vertical section, so that an avoidance interval is provided for electric connection between two battery cell monomers.
By adopting the scheme, on one hand, the corresponding power connection relation between the end tabs of the two single battery cells of the corresponding battery cell unit can be conveniently established on the basis of the avoidance intervals formed on the two sides of the second vertical section relative to the first vertical section and the third vertical section and the avoidance intervals formed on the two sides of the fifth vertical section relative to the fourth vertical section and the sixth vertical section, so that the assembly performance of the battery cell assembly can be correspondingly improved; on the other hand, can make and form first spacing section between first vertical section and the third vertical section, performance limiting displacement to make and form the spacing section of second between fourth vertical section and the sixth vertical section, performance limiting displacement, thereby can be convenient for external equipment through first spacing section and/or the spacing section of second realize the battery pack or use this battery pack unitized internal expanding, the hoist and mount operation of battery pack, thereby can further improve the performance of battery pack.
In one embodiment, the electric core assembly further comprises:
the middle confluence piece is arranged on the middle transverse plate and is connected with the two middle adapter pieces on the two sides of the middle confluence piece, and the middle confluence piece is provided with a middle confluence hole which is arranged in a run-through manner and is aligned with the middle fixing hole;
the first confluence piece is arranged on the first transverse plate and is vertically connected with one end of the first rotating piece, and the first confluence piece is provided with a first confluence hole which is arranged in a penetrating manner and is aligned with the first fixing hole;
the second confluence piece is arranged on the second transverse plate and is vertically connected with one end of the second adapter piece, and the second confluence piece is provided with a second confluence hole which is communicated with the second transverse plate and is aligned with the second fixing hole.
Through adopting above-mentioned scheme, the power of electric core subassembly is connected and can be established in the ascending one side of direction of height of electric core subassembly, and does not establish the ascending one side in the length direction of electric core subassembly, based on this, can do benefit to the convenience of establishing that further improves the power of each electric core subassembly and connect.
In one embodiment, in the cell unit, a buffer structure and/or a heat insulation structure is connected to one side of the cell unit, which faces away from the support plate.
By adopting the scheme, a certain buffering effect can be exerted on the single battery cell through the buffering structure so as to improve the safety performance of the battery cell assembly; still can separate in the one side that electric core monomer deviates from the backup pad through thermal-insulated structure to the separation heat is concentrated to follow-up with other electric core monomers of this electric core monomer in close contact with on, thereby can reduce the negative effects that single electric core monomer can cause to other electric core monomers after out of control, does benefit to the security performance that further improves electric core subassembly.
In one embodiment, in the battery cell unit, one side of one of the battery cell units, which is away from the support plate, is connected with a buffer structure, and one side of the other battery cell unit, which is away from the support plate, is connected with a heat insulation structure.
Through adopting above-mentioned scheme, can make electric core subassembly have the buffering utility concurrently, thermal-insulated utility and heat dissipation utility, especially when one side that is equipped with buffer structure of electric core unit and one side butt that is equipped with thermal-insulated structure of other electric core units, still accessible buffer structure and thermal-insulated structure in the lump between two electric core monomers of two electric core units of butt, form the buffering that the effect is showing, thermal-insulated and heat dissipation utility, based on this, can further ensure and improve electric core subassembly's performance and security performance.
An object of the embodiment of the utility model is also to provide a battery module, including a plurality of electric core subassemblies, a plurality of electric core subassemblies stack gradually the setting along its thickness direction.
Through adopting above-mentioned scheme, can form the battery module that the utilization ratio is higher in the length direction of electricity core subassembly in groups based on a plurality of electricity core subassemblies that the utilization ratio is higher in length direction, and the scale of battery module is great relatively, and the electric quantity is higher relatively to can guarantee and improve the volume utilization ratio and the energy density of battery module to a certain extent
In one embodiment, in the battery module, the electric core assemblies are sequentially arranged at one end in the length direction to form a first end of the battery module, the electric core assemblies are sequentially arranged at the other end in the length direction to form a second end of the battery module, and the middle main bodies aligned in the thickness direction of the electric core assemblies form a middle end of the battery module;
the battery module further comprises a first rigid pressing part, a first fixing part, a second rigid pressing part, a second fixing part, a plurality of middle pressing parts and a plurality of middle fixing parts, wherein the first pressing part and the first fixing part are respectively arranged on two opposite sides of the first end of the battery module, the second pressing part and the second fixing part are respectively arranged on two opposite sides of the second end of the battery module, and the middle pressing part and the middle fixing parts are respectively arranged on two opposite sides of the middle end of the battery module.
By adopting the scheme, the first supports and/or the second supports arranged at the first end of the battery module can be fixed together through the first pressing part and the first fixing part, so that the first end of the battery module is flat and level in the thickness direction of the electric core assembly; then, the first supports and/or the second supports arranged at the second end of the battery module can be fixed together through the second pressing piece and the second fixing piece, so that the second end of the battery module is flat and level in the thickness direction of the electric core assembly; then, the middle supports arranged at the middle end of the battery module can be fixed together through the middle pressing piece and the middle fixing piece, so that the middle end of the battery module is flat and level in the thickness direction of the electric core assembly; based on this, can be fixed along each electric core subassembly that thickness direction stacks gradually to form stable and the great battery module of scale in groups, and middle press piece, middle mounting, first press piece, first mounting, the shared space of second press piece and second mounting is also relatively less, and battery module need not to additionally set up full cladding structure spare such as end plate, curb plate, bottom plate and apron that are used for fixing each electric core subassembly as conventional module again, thereby can further improve the volume utilization ratio and the quality percentage of uniting of battery module that uses this electric core subassembly to be grouped.
In one embodiment, the first pressing member is provided with a plurality of first pressing holes, the first fixing member is provided with a plurality of first fastening holes, the second pressing member is provided with a plurality of second pressing holes, the second fixing member is provided with a plurality of second fastening holes, the intermediate pressing member is provided with a plurality of intermediate pressing holes, and the intermediate fixing member is provided with a plurality of intermediate fastening holes;
at the first end of the battery module, the first fixing hole and the first pressing hole are arranged in an aligned mode in the height direction of the battery module and are arranged in an aligned mode with the first fixing hole or the second fixing hole;
at the second end of the battery module, the second fixing hole and the second pressing hole are arranged in an aligned mode in the height direction of the battery module and are arranged in an aligned mode with the first fixing hole or the second fixing hole;
in the middle end of battery module, the centre links firmly the hole and the hole is pressed even to the direction of height of battery module and is counterpointed the setting with middle fixed orifices in the centre.
By adopting the scheme, the first fixing and connecting hole and the first pressing and connecting hole can be connected with the first fixing hole or the second fixing hole which is arranged in an aligned mode through the external fastener, so that the first pressing piece and the first fixing piece can be easily and conveniently connected with the first end of the battery module; similarly, the second fixing hole and the second pressing hole can be connected with the first fixing hole or the second fixing hole which is arranged in an aligned mode through an external fastener, so that the second pressing piece and the second fixing piece can be easily and conveniently connected with the second end of the battery module; the middle fixing hole and the middle pressing hole can be connected with the middle fixing hole which is arranged opposite to the middle fixing hole through an external fastener, so that the middle pressing piece and the middle fixing piece can be easily and conveniently connected with the middle end of the battery module; based on this, can correspondingly improve the convenience of the fixed operation of each battery pack subassembly to can correspondingly improve the convenience in groups of assembly of battery module, and the dismouting is maintained comparatively conveniently, can effectively reduce the whole disability rate of battery module, improves the whole packet yields of battery module.
In one embodiment, a first mark is arranged on the first support, and a second mark different from the first mark is arranged on the second support;
the first support and the second support are alternately arranged at the first end of the battery module, and the second support and the first support are alternately arranged at the second end of the battery module;
at the first end of the battery module, the second fixing hole of the second bracket and the first compression connecting hole and the first fixed connecting hole which are aligned with the second fixing hole are connected through a connecting piece, and the first fixing hole of the first bracket and the first compression connecting hole and the first fixed connecting hole which are aligned with the first fixing hole are connected to an external structure through another connecting piece;
and at the second end of the battery module, the second fixing hole of the second support, the second pressing connecting hole aligned with the second fixing hole and the second fixing connecting hole are connected through a connecting piece, and the first fixing hole of the first support, the second pressing connecting hole aligned with the first fixing hole and the second fixing connecting hole are connected to an external structure through another connecting piece.
By adopting the scheme, no matter the second support of each cell assembly is positioned at the first end or the second end of the battery module, the second fixing hole of the second support of each cell assembly is correspondingly connected with the first pressing part and the first fixing part or the second pressing part and the second fixing part, and similarly, no matter the first support of each cell assembly is positioned at the first end or the second end of the battery module, the first fixing hole of the first support of each cell assembly is correspondingly connected with external structures such as a box body, a box cover and the like, on the basis, on one hand, each cell assembly can be relatively fixed, so that the first end and the second end of the battery module can obtain balanced fixing effect, and are flat and level, and the battery module can form a whole; on one hand, one end of the battery core assembly can be connected with the first pressing piece and the first fixing piece or the second pressing piece and the second fixing piece, so that the battery module has enough hoisting rigidity; on one hand, the other end of the battery core assembly can be connected with an external structure, so that the battery module can finally obtain rigidity capable of bearing vibration and impact; on one hand, on the basis of guaranteeing that the battery module has hoisting rigidity and rigidity capable of bearing vibration and impact, the number of the first fixing holes and the second fixing holes required to be formed in the first main body and the second main body of the battery core assembly can be correspondingly compressed, and the situation that two first fixing holes and two second fixing holes are required to be formed is avoided, so that the volume utilization rate of the battery module is further improved; on the one hand, because the battery module can finally obtain the rigidity that can bear vibration and impact after being connected with the exterior structure, therefore, the battery module can not obtain the rigidity that can bear vibration and impact in advance, but only need have can hoist and mount rigidity can to can further avoid needing more extra structures to realize fixing, thereby can further improve the quality percentage of uniting of battery module.
In one embodiment, the battery module further comprises a plurality of cell adapters, and the cell adapters are connected with a plurality of first adapters and/or second adapters which are continuously arranged along the thickness direction of the cell assembly.
By adopting the scheme, after the battery module with stable form and large specification is formed in groups, the battery cell adapter is arranged on the outer side of the first adapter and/or the second adapter to connect a plurality of first adapters and/or second adapters, so that stable and reliable power connection relation is established among a plurality of battery cell assemblies, and the situations of accidental interruption and unstable connection of the power connection relation can be effectively avoided.
In one embodiment, the battery module further comprises a plurality of cell adapters, and the cell adapters are connected with a plurality of first bus bars and/or second bus bars which are continuously arranged along the thickness direction of the cell assembly, or connected with a plurality of intermediate bus bars which are continuously arranged along the thickness direction of the cell assembly.
Through adopting above-mentioned scheme, can be after each electric core subassembly is relatively fixed, in the ascending one side of direction of height of electric core subassembly, connect at least two first assemblies and/or the second that converge that set up in succession along the thickness direction of electric core subassembly respectively through a plurality of electric core adapters, and connect at least two middle assemblies that converge that set up in succession along the thickness direction of electric core subassembly respectively through a plurality of electric core adapters, thereby can establish between each electric core subassembly and stabilize, reliable power connection relation, and the operation is very convenient.
In one embodiment, the cell adaptor is provided with a plurality of cell adaptor holes aligned with the first bus hole, the second bus hole or the middle bus hole;
the cell switching hole and a first confluence hole and a first fixing hole which are aligned with the cell switching hole are connected through a connecting piece, or the cell switching hole and a second confluence hole and a second fixing hole which are aligned with the cell switching hole are connected through a connecting piece, or the cell switching hole and a middle confluence hole and a middle fixing hole which are aligned with the cell switching hole are connected through a connecting piece;
the first fixing hole and the second fixing hole are connected with the external structure through another connecting piece at the ends departing from the cell transfer hole, and at least part of the middle fixing hole is connected with the external structure through another connecting piece at the end departing from the cell transfer hole.
By adopting the scheme, one end of the first fixing hole, which is deviated from the electric core transfer hole, can be connected with an external structure such as a box body through a fastener, one end of the second fixing hole, which is deviated from the electric core transfer hole, is connected with the external structure such as the box body through the fastener, and one end of part or all of the middle fixing holes, which is deviated from the electric core transfer hole, is connected with the external structure such as the box body through the fastener, so that each electric core assembly is fixed relative to the external structure respectively, and further each electric core assembly is fixed relative to each other; and then, the cell switching hole, the first confluence hole aligned with the cell switching hole and the first fixing hole are connected through a fastener, the cell switching hole, the second confluence hole aligned with the cell switching hole and the second fixing hole are connected through a fastener, and the cell switching hole, the middle confluence hole aligned with the cell switching hole and the middle fixing hole are connected through a fastener, so that a stable and reliable power connection relation can be established among the cell assemblies, the operation is very convenient, and fixing structures such as middle pressing pieces, middle fixing pieces, first pressing pieces, first fixing pieces, second pressing pieces and second fixing pieces can be further omitted, so that the space utilization rate and the energy density of a corresponding battery system can be further improved.
The utility model provides a purpose still lies in providing a battery system, including box, case lid, still include at least one battery module, the box is offered at least one storage tank that is used for holding battery module in its one side towards the case lid, and the periphery side of battery module and the cell wall insulated contact or the interval setting of storage tank.
By adopting the scheme, on one hand, the limiting accommodation of the battery module can be realized, so that the battery module is fixed relative to the bottom of the accommodating groove, the battery module can be sealed and protected through the box body and the box cover, and the space utilization rate, the volume utilization rate and the energy density of the battery system can be relatively high; on the other hand, because the battery module of this embodiment is the battery module that a plurality of long electric core subassemblies formed in groups, compare in the setting of a plurality of small-size battery modules of combining a plurality of storage tanks, the battery system that this embodiment provided still can omit the crossbeam structure that part is located between two adjacent storage tanks at least to do benefit to and further improve battery system's space utilization, volume utilization and energy density.
In one embodiment, when at least two battery modules and at least two accommodating grooves are arranged, the box body is provided with a beam positioned between two adjacent accommodating grooves, the battery system further comprises at least one module adapter for connecting two adjacent battery modules, and the module adapter is connected with the beam through an insulating structure.
Through adopting above-mentioned scheme, the power connection relation is established to the adjacent electric core subassembly accessible module adaptor of two adjacent battery module, and the module adaptor is then connected with the crossbeam through insulation system to support, fix the module adaptor by the crossbeam, thereby can be on the basis of avoiding having electric transmission between module adaptor and the crossbeam, stabilize the state of module adaptor, in order to do benefit to the guarantee and improve the stability and the reliability of the power connection relation that the module adaptor established.
In one embodiment, the box body is provided with a wiring channel leading to each accommodating groove, the battery system further comprises a plurality of wire harnesses arranged in the wiring channel and extending to each accommodating groove, and a plurality of flexible circuit boards electrically connected with the wire harnesses, the flexible circuit boards are arranged between the outer peripheral side of the battery module and the groove wall of the accommodating groove and are electrically connected with each electric core component of the battery module.
By adopting the scheme, the wiring harnesses extending to the containing grooves can be intensively arranged through the wiring channels, so that the wiring harnesses can be protected to avoid damage such as extrusion and the like, meanwhile, the arrangement of the wiring harnesses is centralized and normalized, and the arrangement of a battery system can be optimized and compacted to a certain extent; then, the flexible circuit board with thin thickness, high flexibility and good flexibility surrounds the periphery of the battery module to establish a corresponding electric connection relation with the battery module and realize multi-point monitoring of the battery module, so that the risk of extrusion damage possibly suffered by the flexible circuit board can be reduced to the greatest extent on the basis of ensuring the monitoring performance of the battery module, the space occupied by the flexible circuit board is correspondingly compressed, the service performance and the service life of the flexible circuit board can be ensured and improved, and the space utilization rate and the energy density of a battery system can be ensured and improved.
In one embodiment, the battery system further comprises at least one liquid cooling assembly, wherein the liquid cooling assembly is arranged on one side of the battery module facing the bottom of the containing groove or the cover and is arranged between the first support and the middle support, between the two middle supports or between the middle support and the second support which are oppositely and adjacently arranged.
By adopting the scheme, on one hand, the liquid cooling assembly can be directly contacted with the side surface of each single battery cell of the battery module, so that the heat dissipation effect of the liquid cooling assembly on the battery module can be ensured and improved, and the heat dissipation performance is improved; on the other hand, on the basis of guaranteeing the heat dissipation effect and the heat dissipation performance of the liquid cooling assembly on each battery cell, the liquid cooling assembly is arranged in the groove and shares the space with each first support, each second support and each middle support in the height direction of the battery module, so that the utilization rate of the battery system in the height direction can be improved, and the space utilization rate and the energy density of the battery system can be further improved.
In one embodiment, the liquid cooling assembly is disposed on a side of the battery module facing the bottom of the accommodating groove, and the cover is provided with a reinforcing rib on a side facing the battery module, the reinforcing rib being disposed between the first bracket and the intermediate bracket, between the two intermediate brackets, or between the intermediate bracket and the second bracket, which are oppositely and adjacently disposed.
By adopting the above scheme, on the basis of guaranteeing the heat dissipation effect and the heat dissipation performance of the liquid cooling assembly to each electric core unit, the liquid cooling assembly, the reinforcing ribs, each first support, each second support and each middle support share the space in the height direction of the battery module, so that the utilization rate of the battery system in the height direction can be further improved, and the space utilization rate and the energy density of the battery system are further improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions 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 without inventive labor.
Fig. 1 is a schematic perspective view of an electrical core assembly according to an embodiment of the present invention;
FIG. 2 is an exploded view of the electrical core assembly provided in FIG. 1;
FIG. 3 is a schematic diagram of a portion of the electrical core assembly provided in FIG. 1;
fig. 4 is a schematic structural diagram of an intermediate bracket and an intermediate adapter according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a first bracket and a first adapter according to a first embodiment of the present invention;
fig. 6 is a schematic structural diagram of a second bracket and a second adaptor according to a first embodiment of the present invention;
fig. 7 is a schematic structural diagram of a battery module according to a first embodiment of the present invention;
fig. 8 is a schematic structural diagram of a battery system according to a first embodiment of the present invention;
FIG. 9 is a schematic diagram I of a portion of the battery system provided in FIG. 8;
fig. 10 is a schematic diagram of a portion of the battery system provided in fig. 8;
FIG. 11 is an enlarged view of area A provided in FIG. 10;
fig. 12 is a schematic partial structural view of an electric core assembly according to a second embodiment of the present invention;
fig. 13 is a schematic structural view of an intermediate bracket and an intermediate adapter according to a second embodiment of the present invention;
fig. 14 is a schematic structural diagram of a first bracket and a first adapter according to a second embodiment of the present invention;
fig. 15 is a schematic structural view of a second bracket and a second adaptor according to a second embodiment of the present invention;
fig. 16 is a partial schematic view of a box and a battery module according to a second embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
100-cell component, 110-cell unit, 111-cell monomer, 1111-edge sealing; 120-a support plate; 130-middle bracket, 131-middle fixing hole, 132-middle main body, 133-middle transverse plate; 140-a first bracket, 141-a first fixing hole, 142-a first body, 143-a first riser, 1431-a first vertical section, 1432-a second vertical section, 1433-a third vertical section, 144-a first cross plate; 150-a second bracket, 151-a second fixing hole, 152-a second body, 153-a second vertical plate, 1531-a fourth vertical section, 1532-a fifth vertical section, 1533-a sixth vertical section, 154-a second transverse plate; 160-an intermediate adaptor; 170-a first adapter; 180-a second adaptor; 190-intermediate manifold, 191-intermediate manifold hole; 1100-first manifold, 1101-first manifold hole; 1200-a second confluence piece, 1201-a second confluence hole; 1300-buffer structure, 1400-thermal insulation structure; 200-a first press part, 201-a first press connecting hole; 300-a first fixing piece, 301-a first fixing and connecting hole; 400-a second press part, 401-a second press connecting hole; 500-cell adapter, 501-cell adapter hole;
1-battery module, 2-box, 21-containing groove, 22-beam, 23-wiring channel; 3-box cover; 4-module adapter, 5-insulation structure; 6-wire harness, 7-flexible circuit board and 8-liquid cooling assembly.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following describes the specific implementation of the present invention in more detail with reference to specific embodiments:
example one
Referring to fig. 1, fig. 2 and fig. 3, an embodiment of the present invention provides a battery cell assembly 100, which includes a plurality of battery cell units 110, a plurality of supporting plates 120 and a plurality of intermediate supports 130. The battery cell units 110 are sequentially connected along the length direction, each battery cell unit 110 comprises two battery cell single bodies 111 arranged in an array along the thickness direction, and the two ends of each battery cell single body 111 in the length direction are both connected with sealing edges 1111; the support plate 120 is fixedly connected between the two cell units 111 of the cell unit 110; the middle support 130 includes a middle main body 132 fixedly connected between the two adjacent support plates 120, the middle main body 132 is disposed between the sealing edges 1111 of the two adjacent battery cell units 110, the middle main body 132 is provided with a middle fixing hole 131, and an extending direction of the middle fixing hole 131 is perpendicular to a length direction of the battery cell units 110.
It should be noted that, in the present embodiment, first, opposite side surfaces of the two battery cell units 111 are respectively and fixedly connected to opposite side surfaces of the supporting plate 120, and based on this, the two battery cell units 111 can be supported by the supporting plate 120, so as to form the relatively stable battery cell unit 110. Subsequently, the battery cell units 110 are sequentially arranged in an array along the length direction, and the battery cell units 110 are connected into a whole along the length direction by the intermediate bracket 130 fixedly connected between the two adjacent support plates 120, so as to form the battery cell assembly 100 with a longer specification. The intermediate body 132 of the intermediate support 130 is substantially cylindrically configured, and optionally, the cross-sectional shape of the intermediate body 132 is elliptically-like. The middle body 132 is provided with a middle fixing hole 131 penetrating therethrough, and the middle bracket 130 can be fixed through the middle fixing hole 131 subsequently, so as to substantially fix the electric core assembly 100.
Alternatively, the side surface of the cell unit 111 may be adhered to the side surface of the support plate 120, so that the assembly efficiency may be improved, and the damage to the cell unit 111 may be reduced to the greatest extent. Alternatively, the support plate 120 is made of aluminum, and the arrangement is such that the support plate 120 has sufficient structural strength and rigidity to connect and support the two cell units 111 and the intermediate bracket 130.
It should be further noted that the edge seals 1111 are generally present at both ends of the cell single body 111, and the edge seals 1111 are generally located in the middle of the cell single body 111 in the thickness direction. Therefore, when the side surfaces of the two cell units 111 of the cell unit 110 are fixedly connected to the opposite side surfaces of the support plate 120, a certain gap space may exist between the sealing edges 1111 at the same end sides of the two cell units 111 of the cell unit 110. Based on this, by disposing the middle main body 132 in the gap space between the four sealing edges 1111 of the two adjacent cell units 110, a part of the middle main body 132 and the two sealing edges 1111 of the two cell units 111 of one cell unit 110 can share the space in the length direction of the cell assembly 100 even in the thickness direction of the cell assembly 100, while another part of the middle main body 132 and the two sealing edges 1111 of the two cell units 111 of the other cell unit 110 can share the space in the length direction of the cell assembly 100 even in the thickness direction of the cell assembly 100, so that even if the number of the disposed middle brackets 130 is more, the size and the occupied space of the cell assembly 100 in the length direction do not need to be additionally increased basically. In other words, the overall length of the electric core assembly 100 is not changed, and the utilization rate of the electric core assembly 100 at least in the length direction can be greatly improved because the intermediate bracket 130 occupies substantially no additional space.
In summary, by adopting the above scheme, the fixing of the long-sized electric core assembly 100 can be directly realized through the middle fixing hole 131 of the middle main body 132, and the middle main body 132 can share the space with the existing sealing edge 1111 of the two adjacent electric core units 110 in the length direction of the electric core assembly 100, even if the number of the middle brackets 130 is larger, the size and the occupied space of the electric core assembly 100 in the length direction basically do not need to be additionally increased, so that the occupation ratio of the sum of the lengths of the electric core units 110 to the length of the electric core assembly 100 is ensured, and the utilization rate of the electric core assembly 100 in the length direction can be greatly improved.
Referring to fig. 1, fig. 2 and fig. 3, in the present embodiment, the electric core assembly 100 further includes a first bracket 140 disposed at one end of the electric core assembly 100 and a second bracket 150 disposed at the other end of the electric core assembly 100, the first bracket 140 includes a first main body 142 fixedly connected to the support plate 120 and disposed between the sealing edges 1111 of the two electric core monomers 111, the first main body 142 is provided with a first fixing hole 141, and an extending direction of the first fixing hole 141 is perpendicular to a length direction of the electric core unit 110; the second bracket 150 includes a second main body 152 fixedly connected to the support plate 120 and disposed between the sealing edges 1111 of the two battery cell units 111, the second main body 152 is provided with a second fixing hole 151, and an extending direction of the second fixing hole 151 is perpendicular to a length direction of the battery cell unit 110.
It should be noted here that, the opposite ends of the electric core assembly 100 are further fixedly connected with the first main body 142 and the second main body 152 which are columnar respectively, and the end surfaces of the first main body 142 and the second main body 152 are correspondingly provided with the first fixing hole 141 and the second fixing hole 151 which are arranged in a penetrating manner, so that the electric core assembly 100 can be further fixed through the first fixing hole 141 and the second fixing hole 151 in a subsequent process.
It should be further noted that, by disposing the first main body 142 and the second main body 152 in the gap space between the two sealing edges 1111 of the two cell units 111 at the corresponding end sides, the first main body 142 and the second main body 152 can share the space with the existing sealing edge 1111 of the cell unit 111 in the length direction of the cell assembly 100, even in the thickness direction of the cell assembly 100, without increasing the size and the occupied space of the cell assembly 100 in the length direction. Based on this, under the condition that the total length of the electric core assembly 100 is not changed, since the first body 142 and the second body 152 do not occupy additional space, the utilization rate of the electric core assembly 100 in the length direction can be further improved.
Therefore, by adopting the above scheme, the long-sized electric core assembly 100 can be further fixed through the first fixing hole 141 of the first main body 142 and the second fixing hole 151 of the second main body 152, and the first main body 142 and the second main body 152 can share the space with the existing sealing edge 1111 of the electric core unit 111 in the length direction of the electric core assembly 100, without additionally increasing the size and the occupied space of the electric core assembly 100 in the length direction, thereby being beneficial to further ensuring the ratio of the sum of the lengths of the electric core units 110 to the length of the electric core assembly 100, and further improving the utilization rate of the electric core assembly 100 in the length direction.
Referring to fig. 3, 4, 5, and 6, in the present embodiment, the middle bracket 130 further includes two middle horizontal plates 133 vertically connected to two ends of the middle main body 132 and insulated from each other, the two middle horizontal plates 133 are pressed against two sides of the battery cell unit 110, and the middle fixing hole 131 is disposed through the middle main body 132 and the two middle horizontal plates 133; the first bracket 140 further includes a first vertical plate 143 connected to a side of the first main body 142 away from the support plate 120 and insulated therefrom, and two first horizontal plates 144 vertically connected to and insulated from two ends of the first vertical plate 143, the two first horizontal plates 144 are pressed against two sides of the battery cell unit 110, and the first fixing hole 141 penetrates through the first main body 142 and the two first horizontal plates 144; the second bracket 150 further includes a second vertical plate 153 connected to a side of the second main body 152 away from the support plate 120 and insulated, and two second horizontal plates 154 vertically connected to and insulated from two ends of the second vertical plate 153, the two second horizontal plates 154 are pressed against two sides of the battery cell unit 110, and the second fixing hole 151 penetrates through the second main body 152 and the two second horizontal plates 154.
It should be noted that the intermediate transverse plate 133, the first vertical plate 143, the first transverse plate 144, the second vertical plate 153, and the second transverse plate 154 are all vertically disposed and fixedly connected to the support plate 120, so as to stably exert their effects. And, the middle transverse plate 133, the first vertical plate 143, the first transverse plate 144, the second vertical plate 153 and the second transverse plate 154 are all made of insulating materials, so as to avoid safety risks such as short circuit and electric leakage. Optionally, the middle horizontal plate 133, the first vertical plate 143, the first horizontal plate 144, the second vertical plate 153, and the second horizontal plate 154 may be made of, but not limited to, plastic, and thus the middle horizontal plate 133, the first vertical plate 143, the first horizontal plate 144, the second vertical plate 153, and the second horizontal plate 154 may be insulated, and the weight of the electrical core assembly 100 may be reduced, so as to further improve the energy density of the electrical core assembly 100.
By adopting the above scheme, the first vertical plate 143 and the second vertical plate 153 can be abutted against the two opposite ends of the cell assembly 100, and the plurality of intermediate transverse plates 133, the two first transverse plates 144 and the two second transverse plates 154 can be abutted against the two opposite sides of each cell unit 110, on the basis, on one hand, each side surface of the cell unit 111 can be guided to be quickly aligned with the corresponding side surface of the support plate 120 during assembly, so that each cell unit 111 can be conveniently and quickly connected with the support plate 120, and the assembly efficiency of the cell assembly 100 can be improved to a certain extent; on the other hand, after the cell assembly 100 is in a modular structure, stable and reliable pressure resistance is formed on the two opposite ends and the two opposite sides of the cell unit 110 through the middle transverse plate 133, the first vertical plate 143, the first transverse plate 144, the second vertical plate 153 and the second transverse plate 154, so as to be beneficial to stabilizing the state of each cell unit 111.
Referring to fig. 3, fig. 4, fig. 5 and fig. 6, in the present embodiment, the electric core assembly 100 further includes a first adaptor 170, a second adaptor 180 and at least two intermediate adaptors 160. Each intermediate adapter 160 is fixedly connected to two opposite sides of each intermediate main body 132 in the thickness direction of the cell unit 110, and is configured to connect to two adjacent cell units 111 in the length direction of the cell unit 110; the first adapter 170 is fixedly connected to one side of the first vertical plate 143, which is away from the cell unit 110, and is used for connecting the two cell units 111 of the cell unit 110; the second adaptor 180 is fixedly connected to a side of the second vertical plate 153 facing away from the cell unit 110, and is used for connecting two cell units 111 of the cell unit 110.
It should be noted that an intermediate adapter 160 is disposed between two battery cells 111 adjacent to each other in the length direction of the battery cell unit 110, and a power connection relationship between two battery cells 111 adjacent to each other in the length direction can be established through the intermediate adapter 160, so that the battery cells are connected in series. The intermediate adapter 160 is fixedly connected to the intermediate body 132, so as to stabilize the stability and reliability of the power connection relationship established through the intermediate adapter 160.
It should also be noted here that, at the corresponding end, tabs of two cell units 111 arranged in an array in the thickness direction are connected to the first adapter 170 or the second adapter 180, so as to establish a motive power connection relationship between the two cell units 111. Basically, the power connection relationship of the cell assembly 100 is that the cell monomers 111 arranged along the length direction are sequentially connected in series through the intermediate adapters 160, and then the first adapters 170 and the second adapters 180 at the two ends of the cell assembly realize the parallel connection between the cell monomers 111 arranged along the thickness direction. Similarly, the first adapter 170 and the first body 142 are also fixedly connected, and the second adapter 180 and the second body 152 are also fixedly connected, so as to stabilize the stability and reliability of the power connection relationship established through the first adapter 170 and the second adapter 180.
Therefore, by adopting the above scheme, the power connection relationship among the battery cell units 111 can be conveniently established through the intermediate adapter 160, the first adapter 170 and the second adapter 180, and the stability and reliability of the established power connection relationship can be ensured and improved, and the situations of accidental interruption and unstable connection of the power connection relationship can be effectively avoided.
Referring to fig. 3, 5, and 6, in the present embodiment, the first vertical plate 143 includes a first vertical section 1431, a second vertical section 1432, and a third vertical section 1433 that are sequentially connected, and in a direction parallel to the thickness direction of the cell unit 110, a width of the second vertical section 1432 is smaller than a width of the first vertical section 1431 and smaller than a width of the third vertical section 1433, so as to provide an avoiding interval for electrical connection between two cell units 111; the second vertical plate 153 includes a fourth vertical section 1531, a fifth vertical section 1532, and a sixth vertical section 1533 connected in sequence, and in a direction parallel to the thickness direction of the cell unit 110, the width of the fifth vertical section 1532 is smaller than the width of the fourth vertical section 1531, and is smaller than the width of the sixth vertical section 1533, so as to provide an avoidance interval for the electrical connection between the two cell units 111.
By adopting the above scheme, on one hand, based on the avoidance sections formed on both sides of the second vertical section 1432 with respect to the first vertical section 1431 and the third vertical section 1433, and based on the avoidance sections formed on both sides of the fifth vertical section 1532 with respect to the fourth vertical section 1531 and the sixth vertical section 1533, it is convenient for the end tabs of the two cell units 111 of the corresponding cell unit 110 to establish a corresponding power connection relationship, so that the assembly performance of the cell assembly 100 can be correspondingly improved; on the other hand, can make and form first spacing section between first vertical section 1431 and the third vertical section 1433, exert limiting displacement, and make and form the spacing section of second between fourth vertical section 1531 and the sixth vertical section 1533, exert limiting displacement, thereby can be convenient for external equipment through first spacing section and/or the spacing section of second realize electric core subassembly 100 or use this electric core subassembly 100 battery module 1 of ganging internal expanding, the hoist and mount operation, thereby can further improve electric core subassembly 100's performance.
Referring to fig. 2, in the present embodiment, in the cell unit 110, a buffer structure 1300 and/or a heat insulation structure 1400 are connected to a side of the cell unit 111 away from the support plate 120.
By adopting the above scheme, the buffer structure 1300 can play a certain buffer role on the cell monomer 111 to improve the safety performance of the cell assembly 100; still can separate in the one side that electric core monomer 111 deviates from backup pad 120 through thermal-insulated structure 1400 to the separation heat concentrates on follow-up other electric core monomer 111 with this electric core monomer 111 in close contact with, thereby can reduce the negative effects that single electric core monomer 111 can cause to other electric core monomer 111 after out of control, does benefit to the security performance that further improves electric core subassembly 100.
Referring to fig. 2, in the present embodiment, in the single battery cells 111, a buffer structure 1300 is connected to a side of one of the single battery cells 111 away from the support plate 120, and a heat insulation structure 1400 is connected to a side of the other single battery cell 111 away from the support plate 120.
Through adopting above-mentioned scheme, can make electric core subassembly 100 have the buffering utility concurrently, thermal-insulated utility and heat dissipation utility, especially when one side that is equipped with buffer structure 1300 of electric core unit 110 and one side butt that is equipped with thermal-insulated structure 1400 of other electric core unit 110, still can be in the two electric core monomer 111 of two electric core units 110 of butt through buffer structure 1300 and thermal-insulated structure 1400 together, form the buffering that the effect is showing, thermal-insulated and heat dissipation utility, based on this, can further ensure and improve electric core subassembly 100's performance and security performance.
Referring to fig. 7, an embodiment of the present invention further provides a battery module 1, which includes a plurality of battery cell assemblies 100, wherein the battery cell assemblies 100 are stacked in sequence along a thickness direction a thereof.
Through adopting above-mentioned scheme, can form the battery module 1 that the utilization ratio is higher in the length direction of electric core subassembly 100 in groups based on a plurality of electric core subassemblies 100 that the utilization ratio is higher in length direction, and battery module 1's scale is great relatively, and the electric quantity is higher relatively to can ensure and improve battery module 1's volume utilization ratio and energy density to a certain extent.
Referring to fig. 7, in the battery module 1 of the present embodiment, each electric core assembly 100 is sequentially arranged at one end of the length direction thereof to form a first end of the battery module 1, each electric core assembly 100 is sequentially arranged at the other end of the length direction thereof to form a second end of the battery module 1, and each middle main body 132 aligned along the thickness direction a of the electric core assembly 100 forms a middle end of the battery module 1; the battery module 1 further includes a rigid first pressing member 200, a first fixing member 300, a second pressing member 400, a second fixing member (not shown), a plurality of middle pressing members (not shown) and a plurality of middle fixing members (not shown), wherein the first pressing member 200 and the first fixing member 300 are respectively disposed at two opposite sides of a first end of the battery module 1, the second pressing member 400 and the second fixing member (not shown) are respectively disposed at two opposite sides of a second end of the battery module 1, and the middle pressing member (not shown) and the middle fixing member (not shown) are respectively disposed at two opposite sides of a middle end of the battery module 1.
It should be noted that, in the present embodiment, the battery module 1 has a first end, a second end and at least one middle end, and a middle end is provided with a middle pressing member (not shown) and a middle fixing member (not shown), wherein the middle pressing member (not shown) and the middle fixing member (not shown) are fixedly connected to the middle brackets 130 provided at the middle end of the battery module 1, the first pressing member 200 and the first fixing member 300 are fixedly connected to the first brackets 140 and/or the second brackets 150 provided at the first end of the battery module 1, and the second pressing member 400 and the second fixing member (not shown) are fixedly connected to the first brackets 140 and/or the second brackets 150 provided at the second end of the battery module 1. Optionally, the fixed connection mode may be a laser welding mode. The middle pressing member (not shown), the middle fixing member (not shown), the first pressing member 200, the first fixing member 300, the second pressing member 400, and the second fixing member (not shown) are all in the shape of a flat strip.
By adopting the above scheme, the first supports 140 and/or the second supports 150 arranged at the first end of the battery module 1 can be fixed together by the first pressing member 200 and the first fixing member 300, so that the first end of the battery module 1 is flat and level in the thickness direction a of the electric core assembly 100; then, the first brackets 140 and/or the second brackets 150 disposed at the second end of the battery module 1 can be fixed together by the second pressing member 400 and the second fixing member (not shown in the drawings), so that the second end of the battery module 1 is flat and flush in the thickness direction a of the electric core assembly 100; then, the intermediate brackets 130 arranged at the intermediate ends of the battery modules 1 can be fixed together by an intermediate pressing member (not shown) and an intermediate fixing member (not shown), so that the intermediate ends of the battery modules 1 are flat and level in the thickness direction a of the electric core assembly 100; based on this, the cell assemblies 100 stacked in sequence in the thickness direction a can be fixed, and the battery modules 1 with stable shapes and large scale are formed in groups, and the space occupied by the middle pressing member (not shown in the figure), the middle fixing member (not shown in the figure), the first pressing member 200, the first fixing member 300, the second pressing member 400 and the second fixing member (not shown in the figure) is relatively small, and the battery modules 1 do not need to additionally provide full-coating structural members such as end plates, side plates, bottom plates and cover plates for fixing the cell assemblies 100 as in a conventional module, so that the volume utilization rate and the quality grouping rate of the battery modules 1 grouped by using the cell assemblies 100 can be further improved.
Referring to fig. 7, in the present embodiment, the first pressing member 200 is provided with a plurality of first pressing holes 201, the first fixing member 300 is provided with a plurality of first fixing holes 301, the second pressing member 400 is provided with a plurality of second pressing holes 401, the second fixing member (not shown) is provided with a plurality of second fixing holes (not shown), the intermediate pressing member (not shown) is provided with a plurality of intermediate pressing holes (not shown), and the intermediate fixing member (not shown) is provided with a plurality of intermediate fixing holes (not shown); at the first end of the battery module 1, the first fixing hole 301 and the first press-connecting hole 201 are aligned in the height direction of the battery module 1, and are aligned with the first fixing hole 141 or the second fixing hole 151; at the second end of the battery module 1, a second fixing hole (not shown) and a second pressing hole 401 are aligned in the height direction of the battery module 1 and are aligned with the first fixing hole 141 or the second fixing hole 151; at the middle end of the battery module 1, a middle fixing hole (not shown) and a middle press-connecting hole (not shown) are aligned in the height direction of the battery module 1 and aligned with the middle fixing hole 131.
By adopting the above scheme, the first fixing hole 301 and the first press-connecting hole 201 can be connected with the first fixing hole 141 or the second fixing hole 151 which are aligned with the first fixing hole through an external fastener, so that the connection between the first pressing member 200 and the first fixing member 300 and the first end of the battery module 1 can be easily and conveniently realized; similarly, the second fastening holes (not shown) and the second press-connecting holes 401 can be connected to the first fastening holes 141 or the second fastening holes 151 aligned with the second fastening holes by external fasteners, so as to easily and conveniently connect the second pressing member 400 and the second fastening member (not shown) to the second end of the battery module 1; the middle fixing hole (not shown) and the middle press-connecting hole (not shown) can be connected with the middle fixing hole 131 which is opposite to the middle fixing hole through an external fastener, so that the connection between the middle pressing piece (not shown) and the middle fixing piece (not shown) and the middle end of the battery module 1 can be easily and conveniently realized; based on this, can correspondingly improve the convenience of the fixed operation of each electric core subassembly 100 to can correspondingly improve the convenience of assembling of battery module 1 in groups, and the dismouting is maintained comparatively conveniently, can effectively reduce battery module 1's whole disability rate, improves battery module 1's whole package yields.
Referring to fig. 7, in the present embodiment, a first identifier is disposed on the first bracket 140, and a second identifier different from the first identifier is disposed on the second bracket 150; the first brackets 140 and the second brackets 150 are alternately arranged at the first end of the battery module 1, and the second brackets 150 and the first brackets 140 are alternately arranged at the second end of the battery module 1; at the first end of the battery module 1, the second fixing hole 151 of the second bracket 150 and the first press-connecting hole 201 and the first fixing hole 301 aligned therewith are connected via a connecting member, and the first fixing hole 141 of the first bracket 140 and the first press-connecting hole 201 and the first fixing hole 301 aligned therewith are connected to an external structure via another connecting member; at the second end of the battery module 1, the second fixing hole 151 of the second bracket 150 and the second press-connecting hole 401 and the second fixing hole (not shown) aligned therewith are connected via a connecting member, and the first fixing hole 141 of the first bracket 140 and the second press-connecting hole 401 and the second fixing hole (not shown) aligned therewith are connected to an external structure via another connecting member. Alternatively, when the battery module 1 is to be assembled into the case body 2 and the case cover 3, the above-described external structures may be the case body 2 and the case cover 3; if the battery module 1 is directly assembled into the vehicle body, the above-described external structure may be a corresponding structure of the vehicle body.
It should be noted that, in the present embodiment, in order to facilitate faster and more convenient assembly of the cell assembly 100 into the desired battery module 1 according to design, the first bracket 140 and the second bracket 150 may be designed differently while keeping the basic structures thereof consistent so as to be arranged in series as a group, for example, marks (different patterns, symbols, etc.) may be provided on the first bracket 140 and the second bracket 150 to distinguish them. Illustratively, the first identifier is designated as "+" for the first rack 140 and "-" for the second rack 150.
By adopting the above scheme, no matter the second support 150 of each cell assembly 100 is located at the first end or the second end of the battery module 1, the second fixing hole 151 of the second support 150 of each cell assembly 100 is correspondingly connected with the first pressing member 200 and the first fixing member 300, or the second pressing member 400 and the second fixing member (not shown in the figure), and similarly, regardless of whether the first support 140 of each cell assembly 100 is located at the first end or the second end of the battery module 1, the first fixing hole 141 of the first support 140 of each cell assembly 100 is correspondingly connected with the external structures such as the box body 2 and the box cover 3, on the basis of this, on the one hand, each cell assembly 100 can be relatively fixed, so that the first end and the second end of the battery module 1 can obtain a balanced fixing effect to be flat and level, and the battery module 1 can form a whole; on one hand, the battery module 1 can also have sufficient hoisting rigidity by connecting one end of the electric core assembly 100 with the first pressing member 200 and the first fixing member 300 or the second pressing member 400 and the second fixing member (not shown in the figure); on one hand, the other end of the electric core assembly 100 can be connected with an external structure, so that the battery module 1 can finally obtain rigidity capable of bearing vibration and impact; on one hand, on the basis of ensuring that the battery module 1 has hoisting rigidity and rigidity capable of bearing vibration and impact, the number of the first fixing holes 141 and the second fixing holes 151 required to be formed in the first main body 142 and the second main body 152 of one battery cell assembly 100 can be correspondingly compressed, so that the situation that two first fixing holes 141 and two second fixing holes 151 are required to be formed is avoided, and the volume utilization rate of the battery module 1 is further improved; on the one hand, because battery module 1 can finally obtain the rigidity that can bear vibration and impact after being connected with the exterior structure, therefore, battery module 1 can not obtain the rigidity that can bear vibration and impact in advance, but only need have can hoist and mount rigidity can to can further avoid needing more extra structures to realize fixing, thereby can further improve the quality percentage of uniting of battery module 1.
In addition, based on the alternative arrangement mode of this embodiment, still can be equipped with buffer structure 1300 on one side of modular electric core subassembly 100 and when the opposite side is equipped with thermal-insulated structure 1400, make between two adjacent electric core subassemblies 100 through buffer structure 1300 and thermal-insulated structure 1400 butt, based on this, will share a set of buffer structure 1300 and thermal-insulated structure 1400 between two electric core monomer 111 between two backup pads 120, thereby can guarantee to have the buffering between two electric core subassemblies 100 concurrently, on thermal-insulated and heat dissipation utility's the basis, buffer structure 1300 that a corresponding compression electric core subassembly 100 needs to be seted up and the quantity that sets up of thermal-insulated structure 1400, avoid needing to set up two buffer structure 1300 and the condition emergence of two thermal-insulated structures 1400, thereby can further improve battery module 1's volume utilization and quality percentage.
Referring to fig. 7, in the present embodiment, the battery module 1 further includes a plurality of cell adapters 500, and the cell adapters 500 are connected to a plurality of first adapters 170 and/or second adapters 180 continuously disposed along the thickness direction a of the cell assembly 100.
By adopting the above scheme, after the battery module 1 with stable form and large specification is formed in groups, the battery cell adapter 500 is arranged on the outer side of the first adapter 170 and/or the second adapter 180 to connect the plurality of first adapters 170 and/or the second adapters 180, so that stable and reliable power connection relation is established among the plurality of battery cell assemblies 100, and the situations of accidental interruption and unstable connection of the power connection relation can be effectively avoided.
Referring to fig. 8, an embodiment of the present invention further provides a battery system, which includes a box body 2, a box cover 3, and at least one battery module 1, wherein the box body 2 is provided with at least one accommodating groove 21 for accommodating the battery module 1 on one side facing the box cover 3, and the peripheral side of the battery module 1 is in insulated contact with or spaced from the wall of the accommodating groove 21.
It should be noted that the cross-sectional dimensions of the receiving grooves 21 may be different, and the cross-sectional dimensions of the receiving grooves 21 may be adjusted according to the size adaptability of the battery module 1 received therein. The groove wall of the receiving groove 21 may be spaced apart from the outer circumferential side of the battery module 1 to prevent electrical transmission. It is also preferable that an insulating plate be spaced between the groove wall of the container groove 21 and the outer circumferential side of the battery module 1 to achieve insulation. After the battery module 1 is placed in the accommodating groove 21, the middle pressing member (not shown), the first pressing member 200 and the second pressing member 400 are connected to the case 2 to limit the battery module 1 from being separated from the notch of the accommodating groove 21, so that the battery module 1 and the accommodating groove 21 can be further fixed relatively.
Optionally, the box body 2 and the box cover 3 are made of aluminum, iron and carbon fiber composite aluminum, and by the arrangement, the mechanical strength of the box body 2 and the box cover 3 can be guaranteed and improved, and the box body and the box cover are light in weight, so that the energy density of the battery system can be further improved. The box body 2 can be made of honeycomb aluminum, foamed aluminum and the like so as to improve the energy density and the heat dissipation performance of the box body.
By adopting the scheme, on one hand, the limiting accommodation of the battery module 1 can be realized, so that the battery module 1 is fixed relative to the bottom of the accommodating groove 21, the battery module 1 can be sealed and protected by the box body 2 and the box cover 3, and the space utilization rate, the volume utilization rate and the energy density of a battery system can be relatively high; on the other hand, since the battery module 1 of the present embodiment is a battery module 1 formed by grouping a plurality of long electric core assemblies 100, compared to the arrangement of a plurality of small-sized battery modules 1 combined with a plurality of accommodating grooves 21, the battery system provided by the present embodiment can at least omit a part of the beam 22 structure located between two adjacent accommodating grooves 21, thereby further improving the space utilization rate, the volume utilization rate and the energy density of the battery system.
In addition, the battery module 1 may be directly mounted on the vehicle body without the case 2 and the case cover 3, in addition to the shock-proof and sealed structure of the vehicle body itself.
Referring to fig. 8, 10 and 11, in the present embodiment, when at least two battery modules 1 and at least two accommodating grooves 21 are provided, the box body 2 has a beam 22 located between two adjacent accommodating grooves 21, the battery system further includes at least one module adaptor 4 for connecting two adjacent battery modules 1, and the module adaptor 4 is connected to the beam 22 through the insulating structure 5.
Through adopting above-mentioned scheme, the power connection relation is established to adjacent electric core subassembly 100 accessible module adaptor 4 of two adjacent battery module 1, and module adaptor 4 is then connected with crossbeam 22 through insulation system 5, support, fix module adaptor 4 by crossbeam 22, thereby can be on avoiding having the basis of electric transmission between module adaptor 4 and the crossbeam 22, stabilize the state of module adaptor 4, in order to do benefit to the guarantee and improve the stability and the reliability of the power connection relation that module adaptor 4 established.
Referring to fig. 8 and 9, in the present embodiment, the box body 2 is provided with a routing channel 23 leading to each accommodating groove 21, the battery system further includes a plurality of wire harnesses 6 disposed in the routing channel 23 and extending to each accommodating groove 21, and a plurality of flexible circuit boards 7 electrically connected to the wire harnesses 6, and the flexible circuit boards 7 are disposed between the outer peripheral side of the battery module 1 and the groove walls of the accommodating grooves 21 and electrically connected to each battery core assembly 100 of the battery module 1.
By adopting the above scheme, the wiring harnesses 6 extending to the accommodating grooves 21 can be intensively arranged through the wiring channels 23, so that the wiring harnesses 6 can be protected to avoid damage such as extrusion to the wiring harnesses 6, and meanwhile, the arrangement of the wiring harnesses 6 is centralized and normalized, so that the arrangement of a battery system can be optimized and compacted to a certain extent; then, the flexible circuit board 7 with thin thickness, high flexibility and good flexibility surrounds the periphery of the battery module 1 to establish a corresponding electrical connection relation with the battery module 1 and realize multipoint monitoring of the battery module 1, so that the risk of extrusion damage possibly suffered by the flexible circuit board 7 can be reduced to the greatest extent on the basis of ensuring the monitoring performance of the battery module 1, the space occupied by the flexible circuit board 7 is correspondingly compressed, the service performance and the service life of the flexible circuit board 7 can be ensured and improved, and the space utilization rate and the energy density of a battery system can be ensured and improved.
Referring to fig. 8, in the present embodiment, the battery system further includes at least one liquid cooling assembly 8, and the liquid cooling assembly 8 is disposed on a side of the battery module 1 facing the bottom of the accommodating groove 21 or the cover 3, and is disposed between the first bracket 140 and the middle bracket 130, between the two middle brackets 130, or between the middle bracket 130 and the second bracket 150, which are disposed oppositely and adjacently.
It should be noted that, the first support 140, the second support 150, and each intermediate support 130, even the first pressing member 200, the first fixing member 300, the second pressing member 400, the second fixing member (not shown), the plurality of intermediate pressing members (not shown), and the plurality of intermediate fixing members (not shown) which are superimposed on the first support 140, the second support 150, and each intermediate support 130, make both ends of the battery module 1 in the length direction of the battery cell unit 110 protrude in the height direction relative to the battery cell unit 111 in the middle thereof, and further form a groove in the corresponding intermediate region.
Therefore, by adopting the above scheme, on one hand, the liquid cooling assembly 8 can be directly contacted with the side surface of each electric core monomer 111 of the battery module 1, so that the heat dissipation effect of the liquid cooling assembly 8 on the battery module 1 can be ensured and improved, and the heat dissipation performance is improved; on the other hand, on the basis of ensuring the heat dissipation effect and the heat dissipation performance of the liquid cooling assembly 8 on each electric core monomer 111, the liquid cooling assembly 8 can be placed in the groove to share the space with each first support 140, each second support 150 and each middle support 130 in the height direction of the battery module 1, so that the utilization rate of the battery system in the height direction can be improved, and the space utilization rate and the energy density of the battery system can be further improved.
In addition, on the premise that the structural strength of the liquid cooling assembly 8 is sufficient, the liquid cooling assembly 8 can be used as the box cover 3; even if the structural strength of the liquid cooling module 8 is insufficient, the liquid cooling module 8 can be combined with the carbon fiber layer to enhance the structural strength, and then the liquid cooling module can be used as the box cover 3. The present embodiment does not limit this.
Referring to fig. 8, in the present embodiment, the liquid cooling assembly 8 is disposed on a side of the battery module 1 facing the bottom of the accommodating groove 21, and a side of the case cover 3 facing the battery module 1 is disposed with a reinforcing rib (not shown), and the reinforcing rib (not shown) is disposed between the first bracket 140 and the middle bracket 130, between the two middle brackets 130, or between the middle bracket 130 and the second bracket 150, which are oppositely and adjacently disposed.
It should be noted that the structural strength of the lid 3 can be correspondingly enhanced by a reinforcing rib (not shown), so that the lid 3 can have sufficient strength and rigidity even when it is thin.
By adopting the above scheme, on the basis of ensuring the heat dissipation effect and heat dissipation performance of the liquid cooling assembly 8 to each electric core unit 110, the liquid cooling assembly 8, the reinforcing ribs (not shown in the figure), each first support 140, each second support 150 and each middle support 130 share the space in the height direction of the battery module 1, so that the utilization rate of the battery system in the height direction can be further improved, and the space utilization rate and the energy density of the battery system can be further improved.
Example two
The difference between this embodiment and the first embodiment is:
referring to fig. 12, 13, 14 and 15, in the present embodiment, the electric core assembly 100 further includes a first bus bar 1100, a second bus bar 1200 and at least one intermediate bus bar 190. The intermediate junction piece 190 is arranged on the intermediate transverse plate 133 and connected with the two intermediate adapters 160 on the two sides of the intermediate junction piece 190, and the intermediate junction piece 190 is provided with an intermediate junction hole 191 which is arranged in a penetrating manner and is aligned with the intermediate fixing hole 131; the first bus bar 1100 is disposed on the first horizontal plate 144 and vertically connected to one end of the first rotating member 170, and the first bus bar 1100 is provided with a first bus hole 1101 penetrating and aligned with the first fixing hole 141; the second bus bar 1200 is disposed on the second horizontal plate 154 and vertically connected to one end of the second adaptor 180, and the second bus bar 1200 is provided with a second bus hole 1201 which is disposed through and aligned with the second fixing hole 151.
It should be noted that, in this embodiment, a power connection relationship is established between two battery cells 111 adjacent in the length direction through the intermediate adaptor 160, and at two ends of the battery cell assembly 100, the end tabs of two battery cells 111 arranged in an array in the thickness direction are correspondingly established through the first adaptor 170 and the second adaptor 180, that is, connected in series and then connected in parallel, and then, the electric quantity of each battery cell 111 can be transmitted to the intermediate bus bar 190 integrally connected with the intermediate adaptor 160, the first bus bar 1100 integrally connected with the first adaptor 170, and the second bus bar 1200 integrally connected with the second adaptor 180.
Thus, by adopting the above scheme, the power connection of the cell assembly 100 can be established at one side in the height direction of the cell assembly 100, but not at one side in the length direction of the cell assembly 100, thereby being beneficial to further improving the convenience of establishing the power connection of each cell assembly 100.
Referring to fig. 16, in the present embodiment, the battery module 1 further includes a plurality of cell connectors 500, and the cell connectors 500 are connected to a plurality of first bus bars 1100 and/or second bus bars 1200 continuously arranged along the thickness direction a of the cell assembly 100, or connected to a plurality of intermediate bus bars 190 continuously arranged along the thickness direction a of the cell assembly 100.
By adopting the above scheme, after each cell assembly 100 is relatively fixed, at one side of the cell assembly 100 in the height direction, at least two first collecting current assemblies 1100 and/or second collecting current assemblies 1200 continuously arranged along the thickness direction a of the cell assembly 100 are respectively connected through the plurality of cell adapters 500, and at least two intermediate collecting current assemblies 190 continuously arranged along the thickness direction a of the cell assembly 100 are respectively connected through the plurality of cell adapters 500, so that a stable and reliable power connection relationship can be established between each cell assembly 100, and the operation is very convenient.
Referring to fig. 16, in the present embodiment, the cell adaptor 500 is provided with a plurality of cell adaptor holes 501 aligned with the first bus hole 1101, the second bus hole 1201, or the middle bus hole 191; the cell switching hole 501 and the first bus hole 1101 and the first fixing hole 141 aligned therewith are connected through a connecting piece, or the cell switching hole 501 and the second bus hole 1201 and the second fixing hole 151 aligned therewith are connected through a connecting piece, or the cell switching hole 501 and the intermediate bus hole 191 and the intermediate fixing hole 131 aligned therewith are connected through a connecting piece; the ends of the first fixing hole 141 and the second fixing hole 151 departing from the cell switching hole 501 are both connected to an external structure through another connector, and the end of at least a part of the middle fixing hole 131 departing from the cell switching hole 501 is connected to the external structure through another connector.
By adopting the above scheme, one end of the first fixing hole 141 departing from the cell transfer hole 501 can be connected with an external structure such as the box body 2 through a fastener, one end of the second fixing hole 151 departing from the cell transfer hole 501 is connected with the external structure such as the box body 2 through a fastener, and one end of part or all of the middle fixing holes 131 departing from the cell transfer hole 501 is connected with the external structure such as the box body 2 through a fastener, so that each cell assembly 100 is fixed relative to the external structure, and further each cell assembly 100 is fixed relative to each other; then, the cell switching hole 501, the first bus hole 1101 aligned with the cell switching hole, and the first fixing hole 141 are connected by a fastener, the cell switching hole 501, the second bus hole 1201 aligned with the cell switching hole, and the second fixing hole 151 aligned with the cell switching hole are connected by a fastener, and the cell switching hole 501, the middle bus hole 191 aligned with the cell switching hole, and the middle fixing hole 131 are connected by a fastener, so that a stable and reliable power connection relationship can be established between the cell assemblies 100, the operation is very convenient, and fixing structures such as middle pressing members (not shown), middle fixing members (not shown), the first pressing member 200, the first fixing member 300, the second pressing member 400, and the second fixing member (not shown) can be further omitted, so that the space utilization rate and the energy density of the corresponding battery system can be further improved.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.

Claims (14)

1. An electric core assembly, comprising:
the battery cell comprises a plurality of battery cell units, wherein the battery cell units are sequentially connected along the length direction of the battery cell units, each battery cell unit comprises two battery cell monomers which are arranged in an array along the thickness direction of the battery cell unit, and both ends of each battery cell monomer in the length direction are connected with edge seals;
the supporting plates are fixedly connected between the two battery cell monomers of the battery cell unit;
the middle supports are fixedly connected between every two adjacent supporting plates, the middle main bodies are arranged between every two adjacent sealing edges of the battery cell units, middle fixing holes are formed in the middle main bodies, and the extending direction of the middle fixing holes is perpendicular to the length direction of the battery cell units.
2. The electric core assembly of claim 1, further comprising:
the first support is arranged at one end of the battery cell assembly and comprises a first main body which is fixedly connected to the supporting plate and arranged between the sealing edges of the two battery cell monomers, a first fixing hole is formed in the first main body, and the extending direction of the first fixing hole is perpendicular to the length direction of the battery cell unit;
the second support is arranged at the other end of the battery cell assembly, the second support comprises a supporting plate fixedly connected with the battery cell and two battery cell monomers, a second main body between the sealing edges is arranged, a second fixing hole is formed in the second main body, and the extending direction of the second fixing hole is perpendicular to the length direction of the battery cell unit.
3. The battery pack of claim 2, wherein the middle bracket further comprises two middle transverse plates vertically connected to two ends of the middle body and insulated from each other, the two middle transverse plates are pressed against two sides of the battery cell unit, and the middle fixing holes are formed through the middle body and the two middle transverse plates;
the first support further comprises a first vertical plate which is connected to one side of the first main body, which is far away from the supporting plate, and is insulated, and two first transverse plates which are respectively vertically connected with two ends of the first vertical plate and are insulated, the two first transverse plates are pressed against two sides of the battery cell unit, and the first fixing hole is arranged to penetrate through the first main body and the two first transverse plates;
the second support still including connect in the second main part deviates from one side of backup pad and insulating second riser and with the both ends of second riser are respectively perpendicular connection and two insulating second diaphragms, two the second diaphragm support press in the both sides of electric core unit, the second fixed orifices link up the second main part and two the second diaphragm setting.
4. The electrical core assembly of claim 3, further comprising:
the battery cell unit comprises at least two middle adapter pieces, a battery cell unit and a battery cell unit, wherein the middle adapter pieces are respectively fixedly connected to two opposite sides of each middle main body in the thickness direction of the battery cell unit and are used for being connected to two adjacent battery cell units in the length direction of the battery cell unit;
the first conversion piece is fixedly connected to one side, away from the battery cell unit, of the first vertical plate and is used for connecting the two battery cell monomers of the battery cell unit;
and the second adapter piece is fixedly connected to one side of the battery cell unit, which is deviated from the second vertical plate, and is used for connecting two battery cell monomers of the battery cell unit.
5. The battery core assembly of claim 4, wherein the first vertical plate comprises a first vertical section, a second vertical section and a third vertical section which are connected in sequence, and in a direction parallel to the thickness direction of the battery cell units, the width of the second vertical section is smaller than that of the first vertical section and smaller than that of the third vertical section, so as to provide an avoidance interval for electrical connection between two battery cell units;
the second vertical plate comprises a fourth vertical section, a fifth vertical section and a sixth vertical section which are sequentially connected, the width of the fifth vertical section is smaller than that of the fourth vertical section, and is smaller than that of the sixth vertical section, and the second vertical plate is used for providing avoidance intervals for electric connection between the electric core monomers.
6. The electrical core assembly of claim 4, further comprising:
the middle confluence piece is arranged on the middle transverse plate and is connected with the two middle adapter pieces on the two sides of the middle transverse plate, and the middle confluence piece is provided with a middle confluence hole which is arranged in a run-through manner and is aligned with the middle fixing hole;
the first confluence piece is arranged on the first transverse plate and is vertically connected with one end of the first conversion piece, and the first confluence piece is provided with a first confluence hole which is arranged in a penetrating manner and is aligned with the first fixing hole;
the second converges and puts up, locate on the second diaphragm, and with the one end vertical connection of second adaptor, the second converges and puts up link up the setting and with the second fixed orifices is counterpointed the second and is set up and converge the hole.
7. The battery pack of claim 1, wherein a cushioning structure and/or a thermal insulation structure is attached to a side of the cell unit facing away from the support plate.
8. A battery module, comprising a plurality of the cell assemblies as claimed in any one of claims 2 to 5, wherein the plurality of the cell assemblies are sequentially stacked in a thickness direction thereof;
in the battery module, one end of each electric core component in the length direction is sequentially arranged to form a first end of the battery module, the other end of each electric core component in the length direction is sequentially arranged to form a second end of the battery module, and each middle main body which is arranged in an aligned mode in the thickness direction of the electric core component forms a middle end of the battery module;
the battery module further comprises a first rigid pressing part, a first fixing part, a second pressing part, a second fixing part, a plurality of middle pressing parts and a plurality of middle fixing parts, wherein the first pressing part and the first fixing part are respectively arranged on two opposite sides of a first end of the battery module, the second pressing part and the second fixing part are respectively arranged on two opposite sides of a second end of the battery module, and the middle pressing part and the middle fixing part are respectively arranged on two opposite sides of a middle end of the battery module.
9. The battery module as set forth in claim 8, wherein the first pressing member defines a plurality of first press-connecting holes, the first fixing member defines a plurality of first fixing-connecting holes, the second pressing member defines a plurality of second press-connecting holes, the second fixing member defines a plurality of second fixing-connecting holes, the intermediate pressing member defines a plurality of intermediate press-connecting holes, and the intermediate fixing member defines a plurality of intermediate fixing-connecting holes;
at the first end of the battery module, the first fixing hole and the first pressing hole are arranged in an aligned manner in the height direction of the battery module and are arranged in an aligned manner with the first fixing hole or the second fixing hole;
at a second end of the battery module, the second fixing hole and the second pressing hole are arranged in an aligned manner in the height direction of the battery module and are arranged in an aligned manner with the first fixing hole or the second fixing hole;
and at the middle end of the battery module, the middle fixing hole and the middle pressing hole are arranged in the height direction of the battery module in an alignment way and are arranged in the alignment way with the middle fixing hole.
10. A battery module, characterized by comprising a plurality of the electric core assemblies of claim 4 or 5, wherein the plurality of electric core assemblies are sequentially stacked along the thickness direction of the electric core assemblies, and the battery module further comprises a plurality of electric core adapters, and the electric core adapters are connected with the plurality of first adapters and/or the plurality of second adapters which are continuously arranged along the thickness direction of the electric core assemblies.
11. A battery module, comprising a plurality of the cell assemblies according to claim 6, wherein the plurality of the cell assemblies are sequentially stacked in the thickness direction of the cell assemblies, and the battery module further comprises a plurality of cell adapters, and the cell adapters are connected with the plurality of the first bus bars and/or the second bus bars which are/is continuously arranged in the thickness direction of the cell assemblies, or connected with the plurality of the intermediate bus bars which are continuously arranged in the thickness direction of the cell assemblies.
12. The battery module of claim 11, wherein the cell adaptor defines a plurality of cell adaptor holes aligned with the first manifold hole, the second manifold hole, or the intermediate manifold hole;
the cell switching hole and the first confluence hole and the first fixing hole which are aligned with the cell switching hole are connected through a connecting piece, or the cell switching hole and the second confluence hole and the second fixing hole which are aligned with the cell switching hole are connected through a connecting piece, or the cell switching hole and the middle confluence hole and the middle fixing hole which are aligned with the cell switching hole are connected through a connecting piece;
and one ends of the first fixing hole and the second fixing hole, which are deviated from the battery cell transfer hole, are connected to an external structure through another connecting piece, and at least part of one ends of the middle fixing holes, which are deviated from the battery cell transfer hole, are connected to the external structure through another connecting piece.
13. A battery system, comprising a box body and a box cover, and further comprising at least one battery module according to any one of claims 8 to 12, wherein the box body is provided with at least one accommodating groove for accommodating the battery module on one side facing the box cover, and the outer peripheral side of the battery module is in insulated contact with or spaced from the wall of the accommodating groove;
when the battery modules and the accommodating grooves are provided with at least two, the box body is provided with a beam between every two adjacent accommodating grooves, the battery system further comprises at least one module adapter piece used for connecting every two adjacent battery modules, and the module adapter piece is connected with the beam through an insulating structure.
14. The battery system of claim 13, further comprising at least one liquid cooling assembly disposed on a side of the battery module facing the bottom of the receptacle or facing the lid, between the first and second opposing and adjacently disposed brackets, between the intermediate brackets, or between the intermediate brackets and the second bracket.
CN202021950561.5U 2020-09-08 2020-09-08 Battery module assembly, battery module and battery system Active CN213366696U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023284518A1 (en) * 2021-07-15 2023-01-19 瑞浦兰钧能源股份有限公司 Battery module, battery pack and electric vehicle
WO2024031996A1 (en) * 2022-08-09 2024-02-15 合肥国轩高科动力能源有限公司 Module of battery cell stacks connected in series by means of tabs
WO2024055508A1 (en) * 2022-09-14 2024-03-21 合肥国轩高科动力能源有限公司 Battery cell module and battery pack
CN118263593A (en) * 2024-05-29 2024-06-28 天津力神新能源科技有限公司 Battery module and energy storage device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023284518A1 (en) * 2021-07-15 2023-01-19 瑞浦兰钧能源股份有限公司 Battery module, battery pack and electric vehicle
EP4156395A4 (en) * 2021-07-15 2024-09-11 Rept Battero Energy Co Ltd Battery module, battery pack and electric vehicle
WO2024031996A1 (en) * 2022-08-09 2024-02-15 合肥国轩高科动力能源有限公司 Module of battery cell stacks connected in series by means of tabs
WO2024055508A1 (en) * 2022-09-14 2024-03-21 合肥国轩高科动力能源有限公司 Battery cell module and battery pack
CN118263593A (en) * 2024-05-29 2024-06-28 天津力神新能源科技有限公司 Battery module and energy storage device

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