CN114976503A

CN114976503A - CCS assembly, battery module structure and battery

Info

Publication number: CN114976503A
Application number: CN202210691692.3A
Authority: CN
Inventors: 邱文聪; 陈朝海; 陈智伟; 李凡; 任朝举; 冯炎强; 江吉兵
Original assignee: Hubei Eve Power Co Ltd
Current assignee: Hubei Eve Power Co Ltd
Priority date: 2022-06-17
Filing date: 2022-06-17
Publication date: 2022-08-30

Abstract

The invention belongs to the technical field of batteries and discloses a CCS assembly, a battery module structure and a battery. The CCS assembly is arranged at the tops of a plurality of battery cells, and gaps are formed between adjacent battery cells. CCS subassembly includes mount and busbar. The mount setting is provided with a plurality of location archs at the top of electric core on the mount, and the location arch can stretch into among the clearance of adjacent electric core and set up with the side contact of electric core, still is provided with the mounting hole on the mount. And the bus bar is embedded into the mounting hole, and the bus bar is in contact with the battery cells and electrically connects the battery cells. This CCS subassembly can realize spacing of electric core, prevents that electric core contact from causing the short circuit, simultaneously, can increase the stability that busbar and electric core are connected, prevents that the busbar dislocation from causing electric core short circuit.

Description

CCS assembly, battery module structure and battery

Technical Field

The invention relates to the technical field of batteries, in particular to a CCS assembly, a battery module structure and a battery.

Background

The battery module, also known as a battery device, is an energy storage unit of a power battery pack, and can facilitate subsequent installation and use by modularizing a plurality of battery cores. The battery module has the advantages of high power and stable voltage output, so that the battery module is widely applied to various industries.

The battery module comprises a CCS assembly (battery module collection integrated component), and the CCS assembly is complex in structure and mainly comprises a support plate and a bus bar. Among the prior art, the location effect between backup pad and the electric core is poor, misplaces easily between electric core and the backup pad, leads to the poor connection stability between busbar and the electric core, and then causes risks such as electric core short circuit easily, has great potential safety hazard.

Therefore, it is desirable to provide a CCS assembly, a battery module structure and a battery to solve the above problems.

Disclosure of Invention

One object of the present invention is to provide a CCS assembly, which can limit the electrical core, prevent the electrical core from contacting and causing short circuit, and at the same time, can increase the stability of connection between the busbar and the electrical core, and prevent the electrical core from short circuit caused by the dislocation of the busbar.

In order to achieve the purpose, the invention adopts the following technical scheme:

a CCS assembly disposed on top of a plurality of cells with gaps formed between adjacent cells, the CCS assembly comprising:

the fixing frame is arranged at the top of the battery cell, a plurality of positioning bulges are arranged on the fixing frame, the positioning bulges extend into the gap between the adjacent battery cells and are in contact with the side surfaces of the battery cells, and mounting holes are further formed in the fixing frame;

and the bus bar is embedded into the mounting hole, and the bus bar is in contact with the battery cells and electrically connects the battery cells.

Optionally, a positioning hole is formed in the busbar, and a positioning column is arranged on the fixing frame and penetrates through the positioning hole.

Optionally, the CCS assembly further includes a heat-conducting glue, and the heat-conducting glue is disposed on the end surfaces of the fixing frame and the busbar and can bond the fixing frame and the busbar.

Optionally, be provided with the mounting groove on the mount, the busbar sets up in the mounting groove, the mounting hole sets up the bottom surface of mounting groove, the side of busbar with the bottom surface of mounting groove and the lateral wall of mounting groove forms and stores up gluey groove, it can hold to store up gluey groove heat-conducting glue.

Optionally, a glue passing hole is formed in the fixing frame, the glue passing hole is located at the top end of the battery cell, and the heat conducting glue can be filled in the glue passing hole and is in contact with the top end of the battery cell.

Optionally, the busbar includes a positive electrode connecting portion and a negative electrode connecting portion, the mounting hole includes a positive electrode mounting hole and a negative electrode mounting hole, the positive electrode connecting portion passes through the positive electrode mounting hole and the positive electrode electrical connection of the electric core, the negative electrode connecting portion passes through the negative electrode mounting hole and the negative electrode electrical connection of the electric core.

Another object of the present invention is to provide a battery module structure, which is convenient to assemble, easy to automate, and has a firm overall structure and high safety.

the utility model provides a battery module structure, includes foretell CCS subassembly, still includes support and a plurality of electric core, the bottom surface of support has a plurality of portions of placing, follows the periphery of the portion of placing is provided with location portion, the portion of placing with location portion forms the holding tank, the bottom of electric core place in the holding tank, electric core with the support passes through the structure and glues fixed connection.

Optionally, the positioning portion includes a plurality of positioning blocks, and the plurality of positioning blocks are arranged at intervals.

Optionally, the positioning block is disposed at a connection of adjacent placing portions.

Optionally, a groove is provided on a side surface of the positioning block.

Optionally, the thickness of the top of the positioning block is smaller than that of the bottom.

Optionally, the battery module structure further comprises a tray, the support is arranged on the tray, a plurality of pressure relief holes are formed in the tray, through holes are formed in the placing portion, and the pressure relief holes are communicated with the through holes.

Optionally, the bracket is provided with a glue overflow hole, a glue injection space is formed between the bracket and the tray, and the structural glue can flow to the glue injection space through a gap between adjacent electric cores and the glue overflow hole.

Optionally, an annular rib is arranged at the edge of the through hole, the annular rib forms a communication channel between the pressure relief hole and the through hole, and the annular rib is arranged in contact with the tray.

Optionally, a rib is arranged on the placing part, the rib faces the tray, and the rib is used for increasing the contact area between the structural adhesive and the support.

Still another object of the present invention is to provide a battery having a compact overall structure, high connection strength, and good safety.

a battery comprises a box body and the battery module structure, wherein the battery module structure is arranged inside the box body.

Has the advantages that:

according to the CCS assembly provided by the invention, the plurality of positioning bulges are arranged on one side of the fixed frame, which is in contact with the battery cells, and the positioning bulges are inserted into the gaps between the adjacent battery cells, so that the fixed frame and the battery cells are assembled. The shape of the positioning bulge is arranged according to the gap between the adjacent electric cores, so that the positioning bulge can be in contact with the side surface of the electric core, the effect of limiting the position of the electric core is achieved, and the electric core is prevented from being in contact with the electric core to cause short circuit. And arranging a busbar on the top of the battery cell to electrically connect the battery cells. Set up the mounting hole of installation busbar on the mount, the busbar can imbed in the mounting hole and carry out the contact with electric core and be connected, effectively prevents the emergence of the electric core short circuit problem that the busbar dislocation leads to. The mount simple structure that this embodiment provided can realize the spacing of electric core, simultaneously, can increase the connection stability between busbar and the electric core, has guaranteed battery overall structure's stability and security.

According to the battery module structure provided by the invention, the support is placed at the bottom of the battery cell, and the support can play double roles of supporting and positioning the battery cell. The support includes a plurality of portions of placing, through set up location portion in the periphery of the portion of placing, the portion of placing and location portion form the holding tank. Every holding tank correspondence is placed an electric core, and when the assembly, can a plurality of electric cores install simultaneously, improves assembly efficiency in the very big degree, guarantees the assembly precision, and easily realizes automaticly. Adopt the structure to glue and carry out fixed connection with support and electric core, connect convenient and reliable, effectively avoid electric core not hard up droing.

The battery provided by the invention comprises the battery module structure and the box body, the top of the battery cell in the battery is limited by the fixing frame, and the bottom of the battery cell is limited by the support, so that the battery cell is stably limited between the fixing frame and the support, and the battery cell is prevented from being in contact short circuit. Meanwhile, the battery core, the bracket and the tray are fixedly bonded and insulated by adopting structural adhesive at the bottom of the battery core, so that the whole structure is compact, the strength is high and the safety performance is good.

Drawings

Fig. 1 is an exploded view of a battery module structure provided in the present invention;

FIG. 2 is a schematic view of a bottom portion of the fixing frame according to the present invention;

FIG. 3 is a schematic diagram of a partial structure of a CCS assembly provided by the present invention;

FIG. 4 is a partial structural view of a stent according to the present invention;

FIG. 5 is a schematic view of a partial structure of a stent according to the present invention;

fig. 6 is an exploded view of a partial structure of a battery module according to the present invention;

fig. 7 is an assembly view illustrating the structure of the battery module according to the present invention.

In the figure:

1000. an electric core; 100. a fixed mount; 110. positioning the projection; 120. mounting holes; 121. a positive mounting hole; 122. a negative mounting hole; 130. passing through a glue hole; 140. a positioning column; 150. a glue storage tank; 200. a bus bar; 210. a positive electrode connecting part; 220. a negative electrode connecting part; 230. a substrate; 300. heat conducting glue; 400. a support; 410. a placement section; 411. an annular rib; 412. a rib; 420. positioning blocks; 430. glue overflow holes; 440. a through hole; 500. a tray; 510. a pressure relief vent; 600. and (4) structural adhesive.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Where the terms "first position" and "second position" are two different positions, and where a first feature is "over", "above" and "on" a second feature, it is intended that the first feature is directly over and obliquely above the second feature, or simply means that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

Referring to fig. 1 and 2, the present embodiment provides a CCS assembly disposed on top of a plurality of battery cells 1000 with gaps formed between adjacent battery cells 1000. The CCS assembly includes a mount 100 and a bus bar 200. The fixing frame 100 is disposed at the top of the battery cell 1000, a plurality of positioning protrusions 110 are disposed on the fixing frame 100, the positioning protrusions 110 can extend into the gap between adjacent battery cells 1000 and contact with the side surfaces of the battery cells 1000, and a mounting hole 120 is further disposed on the fixing frame 100. The bus bar 200 is inserted into the mounting hole 120, and the bus bar 200 is disposed in contact with the battery cells 1000 and electrically connects the plurality of battery cells 1000.

In the CCS assembly, the plurality of positioning protrusions 110 are disposed on one side of the fixing frame 100, so that when the fixing frame 100 and the battery cells 1000 are assembled, the positioning protrusions 110 are inserted into gaps between adjacent battery cells 1000. The shape of the positioning protrusion 110 is set according to the gap between the adjacent battery cells 1000, so that the positioning protrusion 110 can contact with the side surface of the battery cell 1000, thereby limiting the position of the battery cell 1000 and preventing the short circuit caused by the contact of the battery cell 1000. In order to electrically connect a plurality of battery cells 1000, a bus bar 200 is arranged on the top of each battery cell, a mounting hole 120 for mounting the bus bar 200 is arranged on the fixing frame 100, and the bus bar 200 is embedded into the mounting hole 120 and is in contact connection with the battery cells 1000, so that the short circuit problem of the battery cells 1000 caused by the dislocation of the bus bar 200 is effectively prevented. The fixing frame 100 provided by the embodiment has a simple structure, can realize the limitation of the battery core 1000, and simultaneously is favorable for the connection stability between the bus bar 200 and the battery core 1000, thereby ensuring the stability and the safety of the overall structure of the battery.

Referring to fig. 1 to fig. 3, the fixing frame 100 provided in this embodiment may be made of plastic or other insulating materials to avoid the risk of short circuit between the battery cells 1000. The whole rectangle that is of mount 100 includes the terminal surface and connects in the curb plate of terminal surface, and when carrying out mount 100 and electric core 1000's assembly, mount 100 detained and establishes at the top of electric core 1000, and location arch 110 inserts among the clearance of adjacent electric core 1000. The side plates can play a limiting role in the battery core 1000 positioned on the outer side, so that the whole structure is compact and reliable. The battery cells 1000 arranged in this embodiment form a gap between three adjacent battery cells 1000, and the gap is approximately triangular prism-shaped, so that the cross section of the positioning protrusion 110 on the fixing frame 100 is approximately triangular, and three sides of the triangle have a certain radian, and the radian is set according to the outer diameter of the battery.

Further, referring to fig. 2, the bus bar 200 includes a positive electrode connection part 210 and a negative electrode connection part 220, the mounting hole 120 includes a positive electrode mounting hole 121 and a negative electrode mounting hole 122, the positive electrode connection part 210 is electrically connected to the positive electrode of the battery cell 1000 through the positive electrode mounting hole 121, and the negative electrode connection part 220 is electrically connected to the negative electrode of the battery cell 1000 through the negative electrode mounting hole 122. Specifically, the bus bar 200 includes a plurality of bus bar cells each including a positive electrode connection portion 210 and a negative electrode connection portion 220, which are connected to each other by a base material 230. Set up positive pole mounting hole 121 and negative pole mounting hole 122 respectively, compare in being integrative with positive pole mounting hole 121 and negative pole mounting hole 122 intercommunication, can improve the reliability that electric core 1000 is connected, effectively avoid because of busbar 200 dislocation or with the electric core 1000 short circuit that the contact failure leads to, simultaneously, can increase the structural strength of mount 100.

Referring to fig. 3, a positioning hole is formed in the busbar 200, a positioning column 140 is disposed on the fixing frame 100, and the positioning column 140 penetrates through the positioning hole, so that the busbar 200 is positioned, and the busbar 200 and the battery cell 1000 are prevented from being dislocated. In the present embodiment, each of the bus bar units is provided with a positioning hole disposed between the positive electrode connection portion 210 and the negative electrode connection portion 220, and the positioning post 140 is disposed between the positive electrode mounting hole 121 and the negative electrode mounting hole 122. It will be appreciated that the location and shape of the locating holes and locating posts 140 should be cooperatively configured. In other embodiments, the positioning posts 140 may also be disposed on the base 230 or the positive electrode connecting portion 210 or the negative electrode connecting portion 220.

Further, the CCS assembly further includes a thermal conductive adhesive 300, and the thermal conductive adhesive 300 is disposed on the end surfaces of the fixing frame 100 and the bus bar 200, and can bond the fixing frame 100 and the bus bar 200. The battery is at the charge-discharge in-process, and busbar 200 local heating is serious, and the setting of heat-conducting glue 300 can be with the heat transfer of busbar 200 to the lower position of temperature, avoids the inside local high temperature of battery, causes potential safety hazards such as electric core 1000 thermal runaway. In addition, the heat conductive glue 300 can bond the bus bar 200 and the bracket 400, thereby increasing the rigidity and stability of the structure.

With continued reference to fig. 3, the fixing frame 100 is provided with a mounting groove, the bus bar 200 is disposed in the mounting groove, the mounting hole 120 is disposed on the bottom surface of the mounting groove, the side surface of the bus bar 200, the bottom surface of the mounting groove and the side wall of the mounting groove form a glue storage groove 150, and the glue storage groove 150 can be used for accommodating the heat-conducting glue 300. It can be understood that the cross-sectional area of the mounting groove is larger than that of the bus bar 200, so that after the bus bar 200 is placed in the fixing frame 100, a gap exists around the bus bar 200, and the gap is the glue storage groove 150, and with this structural arrangement, more heat-conducting glue 300 can be accommodated, and the heat transfer effect and the connection stability between the components are enhanced. Alternatively, the height of the mounting groove is greater than the thickness of the bus bar 200, so that the heat conductive glue 300 can fill the surface of the bus bar 200 to cover the bus bar 200 under the heat conductive glue 300, which can also improve the heat transfer effect and increase the firmness of the connection between the components.

Further, the fixing frame 100 is provided with a glue passing hole 130, the glue passing hole 130 is located at the top end of the battery cell 1000, and the heat conducting glue 300 can be filled in the glue passing hole 130 and contacts with the top end of the battery cell 1000. The arrangement of the glue passing hole 130 enables the heat conducting glue 300 to be in direct contact with part of the surface of the top end of the battery core 1000, heat generated by the battery core 1000 can be directly transmitted, heat of the battery core 1000 is rapidly reduced, and therefore safety of the battery core 1000 is guaranteed. In this embodiment, the shape of the glue passing hole 130 may be set according to the shape of the bus bar 200, and the area thereof should be large enough, but at the same time, the bracket 400 should have enough structural strength. In other embodiments, the glue passing hole 130 may be a circular hole, a square hole, a kidney-shaped hole, or the like.

Referring to fig. 4, the embodiment further provides a battery module structure, where the battery module structure includes the CCS assembly and the bracket 400, the bottom surface of the bracket 400 has a plurality of placing portions 410, a positioning portion is disposed along the periphery of the placing portions 410, the placing portions 410 and the positioning portion form an accommodating groove, the bottom of the battery cell 1000 is placed in the accommodating groove, and the battery cell 1000 and the bracket 400 are fixedly connected by the structural adhesive 600. The outer contour of the placing part 410 is designed to be circular according to the shape of the bottom of the battery cell 1000, and the splicing parts of the placing part 410 are tangent and connected with each other. The support 400 is placed at the bottom of the battery cell 1000, and can play a dual role in supporting and positioning the battery cell 1000. Through setting up location portion in the periphery of placing portion 410, placing portion 410 and location portion form the holding tank, place electric core 1000 in the holding tank, every holding tank corresponds an electric core 1000, when the assembly, can install simultaneously by a plurality of electric cores 1000, improves assembly efficiency to a great extent, guarantees the assembly precision, and easily realizes automaticly. Adopt the structure to glue 600 and carry out fixed connection with support 400 and electric core 1000, connect convenient and reliable, effectively avoid electric core 1000 not hard up to drop.

Further, the positioning portion includes a plurality of positioning blocks 420, and the plurality of positioning blocks 420 are disposed at intervals. Two sides of the positioning block 420 are both arc-shaped surfaces, and the two arc-shaped surfaces are respectively arranged towards two different battery cells 1000. In other embodiments, the positioning portion may also be a cylindrical structure disposed at the periphery of the placing portion 410 and extending toward the top of the battery cell 1000, or a plurality of arc-shaped plate-shaped structures disposed along the periphery of the positioning portion, and any structural form that can perform a positioning function on the battery cell 1000 is within the scope of the present application.

Further, the positioning block 420 is provided at a connection of the adjacent placing parts 410. In the present embodiment, six placing parts 410 are connected to the placing parts 410 at the middle of the bracket 400 around each placing part 410, and thus six positioning blocks 420 are provided on the outer circumference of the placing parts 410. In other embodiments, the number of the positioning blocks 420 is not limited to six, and may be three, five or other numbers, and the positions of the positioning blocks 420 are not limited to the joints of the adjacent placing parts 410, and the specific form may be set according to the arrangement manner of the battery cells 1000.

Optionally, the thickness of the top of the positioning block 420 is less than the thickness of the bottom, and the width of the top is less than the width of the bottom. To the battery module structure that needs fill structure in electric core 1000 bottom and glue 600, locating piece 420 adopts this kind to go up thin thick down, and goes up narrow wide structure down, can increase the area of contact between structure glue 600 and locating piece 420 and between structure glue 600 and electric core 1000, makes the bonding more firm, and electric core 1000 and support 400 are difficult not hard up, can make the drawing of patterns of support 400 more convenient moreover, reduce the manufacturing difficulty. Optionally, a groove can be formed in the side surface of the positioning block 420, the groove can accommodate the structural adhesive 600, in this embodiment, grooves are formed in two side surfaces of the positioning block 420, the grooves are V-shaped grooves, the creepage distance can be increased, the electrical safety is guaranteed, the adhesive area is increased, and the grouping strength is increased. In order to further increase the adhesive area, in this embodiment, the diameter of the circle surrounded by the bottom of the positioning block 420 is slightly larger than the diameter of the bottom of the battery cell 1000, and the diameter difference between the two is in the range of 0.1-0.4 mm, which may be, for example, 0.1mm, 0.2mm, or 0.3 mm. In other embodiments, the bottom of the positioning portion may also be in contact with the bottom of the battery cell 1000, so as to clamp the battery cell 1000 into the positioning portion.

Referring to fig. 4 to 6, the battery module structure further includes a tray 500, the bracket 400 is disposed on the tray 500, the tray 500 is provided with a plurality of pressure relief holes 510, the placing portion 410 is provided with through holes 440, and the pressure relief holes 510 are communicated with the through holes 440. Tray 500's setting can play the effect of support bracket 400, and simultaneously, the setting of pressure release hole 510 and through-hole 440 can be derived the heat of electric core 1000 or the gaseous bottom of electric core 1000 from being fast that produces when battery thermal runaway, and the reinforcing radiating effect increases battery overall structure's security performance. In this embodiment, the tray 500 is made of metal, the support 400 is made of plastic or other materials with good insulating property, and the placing portion 410 can prevent the bottom surface of the battery cell 1000 from contacting the tray 500, so as to perform an insulating protection function.

Further, be provided with on support 400 and overflow gluey hole 430, have the injecting glue space between support 400 and the tray 500, the glue 600 of structure can flow to the injecting glue space through the clearance between the adjacent electric core 1000 and overflow gluey hole 430, and the glue 600 of structure is used for bonding tray 500, support 400 and electric core 1000. In the present embodiment, the unconnected portions between adjacent three placing parts 410 form one glue overflow hole 430, the shape of the glue overflow hole 430 is set according to the gap between the battery cells 1000, and each placing part 410 has six glue overflow holes 430 around it. In other embodiments, the number and the shape of the glue overflow holes 430 may be set according to the arrangement of the battery cells 1000, and are not specifically limited herein. It can be understood that the gaps between the battery cells 1000, the glue overflow holes 430 and the glue injection space between the bracket 400 and the tray 500 are communicated. Structural adhesive 600 can be filled in the injecting glue space, bonds tray 500 and support 400, and simultaneously, structural adhesive 600 can be filled in the clearance of adjacent electric core 1000, bonds a plurality of electric core 1000, in addition, can fill around locating piece 420, bonds support 400 and electric core 1000. The structural adhesive 600 can perform an insulating function between adjacent battery cells 1000 and between the battery cells 1000 and the tray 500, in addition to a bonding function.

Referring to fig. 5 and 6, the edge of the through hole 440 is provided with an annular rib 411, the annular rib 411 forms a communication channel between the pressure relief hole 510 and the through hole 440, and the annular rib 411 is disposed in contact with the tray 500. Ring rib 411 plays the supporting role between support 400 and tray 500, ring rib 411 sets up the inner circle at placing portion 410, consequently, there is certain interval between the adjacent ring rib 411, and ring rib 411 has a take the altitude, thereby make and form the injecting glue space between support 400 and the tray 500, structure glue 600 can be filled in the injecting glue space, and simultaneously, with pressure release hole 510 and through-hole 440 intercommunication, when certain electricity core 1000 thermal runaway, the high temperature gas that this electricity core 1000 produced can rapidly pass through-hole 440 and spill over from pressure release hole 510 along ring rib 411, effectively prevent that high temperature gas from spreading to the bottom of other electricity cores 1000, reduce the thermal runaway risk of other electricity cores 1000.

Further, a rib 412 is disposed on the placing part 410, the rib 412 is disposed toward the tray 500, and the rib 412 is used to increase the contact area between the structural adhesive 600 and the bracket 400, thereby increasing the bonding firmness. In this embodiment, the protruding rib 412 is disposed along the outer circumference of the placing portion 410, a groove is formed between the protruding rib 412 and the annular rib 411, and the structural adhesive 600 can be filled in the groove. In other embodiments, ribs 412 may be one or more columnar structures, and any structure that can increase the bonding strength between structural adhesive 600 and tray 500 is within the scope of the present application.

Referring to fig. 7, the present embodiment further provides a battery, which includes a case and the above battery module structure, and the battery module structure is disposed inside the case. The top of the battery core 1000 in the battery is limited by the fixing frame 100, and the bottom of the battery core 1000 is limited by the support 400, so that the battery core 1000 is stably limited and is prevented from contacting and short-circuiting the fixing frame 100 and the support 400. The problem of electric core 1000 thermal runaway high temperature gas overspread has effectively been solved in the setting of through-hole 440 on support 400 and the setting of pressure release hole 510 on tray 500. In addition, the top of the battery core 1000 is bonded with the support 400 and the busbar 200 by the heat conducting glue 300, so that the heat concentration at the top of the battery core 1000 is avoided to a great extent, the heat dispersion is facilitated, and meanwhile, the bottom of the battery core 1000 is fixed and bonded with the battery core 1000, the support 400 and the tray 500 by the structural glue 600, so that the whole structure is compact and the strength is high.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations, and substitutions will occur to those skilled in the art without departing from the scope of the present invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A CCS assembly disposed atop a plurality of battery cells (1000) with a gap formed between adjacent battery cells (1000), the CCS assembly comprising:

the fixing frame (100) is arranged at the top of the battery cell (1000), a plurality of positioning protrusions (110) are arranged on the fixing frame (100), the positioning protrusions (110) extend into a gap between adjacent battery cells (1000) and are arranged in contact with the side faces of the battery cells (1000), and mounting holes (120) are further formed in the fixing frame (100);

a busbar (200), the busbar (200) being inserted into the mounting hole (120), the busbar (200) being disposed in contact with the battery cells (1000) and electrically connecting a plurality of the battery cells (1000).

2. The CCS assembly according to claim 1, wherein the busbar (200) is provided with a positioning hole, the fixing frame (100) is provided with a positioning column (140), and the positioning column (140) is inserted into the positioning hole.

3. The CCS assembly according to claim 1, further comprising a thermally conductive glue (300), said thermally conductive glue (300) being arranged at the end faces of said fixture (100) and said busbar (200) enabling to glue said fixture (100) and said busbar (200).

4. The CCS assembly according to claim 3, characterized in that the fixing frame (100) is provided with a mounting groove, the bus bar (200) is arranged in the mounting groove, the mounting hole (120) is arranged on the bottom surface of the mounting groove, the side edge of the bus bar (200) and the bottom surface of the mounting groove and the side wall of the mounting groove form a glue storage groove (150), and the glue storage groove (150) can contain the heat-conducting glue (300).

5. The CCS assembly according to claim 3 or 4, characterized in that the fixing frame (100) is provided with a glue hole (130), the glue hole (130) is positioned at the top end of the battery cell (1000), and the heat-conducting glue (300) can be filled in the glue hole (130) and is contacted with the top end of the battery cell (1000).

6. The CCS assembly of any of claims 1-4, wherein the buss bar (200) comprises a positive connection portion (210) and a negative connection portion (220), the mounting hole (120) comprises a positive mounting hole (121) and a negative mounting hole (122), the positive connection portion (210) is electrically connected to the positive electrode of the battery cell (1000) through the positive mounting hole (121), and the negative connection portion (220) is electrically connected to the negative electrode of the battery cell (1000) through the negative mounting hole (122).

7. A battery module structure, comprising the CCS assembly of any one of claims 1 to 6, further comprising a bracket (400) and a plurality of battery cells (1000), wherein the bottom surface of the bracket (400) has a plurality of placing parts (410), positioning parts are arranged along the periphery of the placing parts (410), the placing parts (410) and the positioning parts form a receiving groove, the bottom of the battery cell (1000) is placed in the receiving groove, and the battery cell (1000) and the bracket (400) are fixedly connected by a structural adhesive (600).

8. The battery module structure according to claim 7, wherein the positioning part includes a plurality of positioning blocks (420), and the plurality of positioning blocks (420) are provided at intervals.

9. The battery module structure according to claim 8, wherein the positioning block (420) is provided at a connection of adjacent placing parts (410).

10. The battery module structure according to claim 8, wherein the side of the positioning block (420) is provided with a groove.

11. The battery module structure according to any one of claims 8 to 10, wherein the positioning block (420) has a top portion having a thickness smaller than that of a bottom portion.

12. The battery module structure according to claim 7, further comprising a tray (500), wherein the bracket (400) is disposed on the tray (500), a plurality of pressure relief holes (510) are disposed on the tray (500), a through hole (440) is disposed on the placing portion (410), and the pressure relief holes (510) communicate with the through hole (440).

13. The battery module structure of claim 12, wherein the bracket (400) is provided with a glue overflow hole (430), a glue injection space is formed between the bracket (400) and the tray (500), and the structural glue (600) can flow to the glue injection space through a gap between adjacent battery cells (1000) and the glue overflow hole (430).

14. The battery module structure according to claim 12 or 13, wherein an edge of the through-hole (440) is provided with a ring rib (411), the ring rib (411) forming a communication channel between the pressure relief hole (510) and the through-hole (440), the ring rib (411) being disposed in contact with the tray (500).

15. The battery module structure according to claim 14, wherein the placing part (410) is provided with a rib (412), the rib (412) is disposed toward the tray (500), and the rib (412) is used to increase a contact area of the structure glue (600) with the bracket (400).

16. A battery comprising a case and the battery module structure according to any one of claims 7 to 15, the battery module structure being provided inside the case.