CN206639828U - A kind of battery pack structure - Google Patents

Abstract

A battery pack structure, including a battery module, a casing, a cooling fan assembly, a mounting plate assembly, and an end plate; the battery module includes a battery module, an insulating plate, and an acquisition board; the battery module includes a single battery, a bracket, a manifold, and a bracket Including the bracket body, the bracket body is provided with a storage slot, and the single battery is arranged in the storage slot; the manifold is arranged on the bracket; a plurality of battery modules are arranged side by side and electrically connected; the insulating plate is arranged on the bracket outside the battery module, and The manifold on the outside of the battery module is sandwiched between the insulating plate and the outside bracket; the acquisition board is set on the bracket of the battery module and is electrically connected to the battery module; the battery module is housed in the storage hole; the cooling fan and the filter plate Combined together, the heat dissipation fan assembly is arranged on an insulating plate of the battery module at intervals, and the heat dissipation fan is arranged opposite to the insulating plate and electrically connected with the battery module; the mounting plate and the end plate are respectively arranged on both sides of the casing.

Description

A battery pack structure

【Technical field】

The utility model relates to the technical field of batteries, in particular to a battery pack structure.

【Background technique】

Lithium battery is the core component of electric vehicles, and its stability can directly affect the safety performance of the entire electric vehicle. With the increasing use of lithium batteries, people's requirements for the safety of lithium batteries are also getting higher and higher. The lithium battery is housed in the battery box, but the existing lithium battery assembly method has some defects: 1. The existing lithium battery assembly method adopts a fan installed in the battery box or a liquid cooling system in the battery box, but the heat dissipation of the fan is used. The thermal cycle of the method is unstable, and the heat dissipation method of installing a liquid cooling system in the battery box takes up a lot of space and high cost; 2. The internal wiring harness wiring method of the existing lithium battery assembly method is chaotic, and there is a risk of electromagnetic interference, which will lead to a long service life of the battery module. 3. The existing lithium battery assembly method is directly installed on the battery box, and the heat exchange between the outside and inside of the lithium battery is unbalanced, resulting in different temperature rise consistency, which will affect the service life of the lithium battery.

In view of this, it is necessary to provide a new battery pack structure to overcome the above defects.

【Content of utility model】

The purpose of the utility model is to provide a battery pack structure, which not only has good heat dissipation performance, but also has good heat exchange balance. In addition, the battery pack structure provided by the utility model is provided with fixing parts, which can make the distribution of the wires in the battery pack structure orderly and beautiful.

In order to achieve the above purpose, the utility model provides a battery pack structure, including a plurality of battery modules, a casing, a plurality of heat dissipation fan assemblies, a mounting plate assembly and an end plate; each battery module includes a plurality of battery modules , a collection board and two insulation boards; each battery module includes a plurality of single cells, two brackets and two manifolds corresponding to the two brackets, each bracket includes a bracket body, and the bracket body is set There are a plurality of receiving grooves and a first central hole, and each receiving groove is provided with a first through hole through the bracket body; each manifold is provided with a second central hole corresponding to the first central hole holes; each insulating plate is provided with a third central hole corresponding to the first central hole; the housing includes a main body, and the main body is provided with a plurality of receiving holes arranged at even intervals; each cooling fan assembly includes A heat dissipation fan and a filter plate; the mounting plate assembly includes a mounting plate, and the mounting plate is provided with a plurality of via holes corresponding to the receiving holes of the housing; the end plate includes an end plate body, and the end plate The plate body is recessed and extended to form a plurality of grooves corresponding to the via holes, and a fourth center hole corresponding to the third center hole is opened in each groove; the plurality of single cells correspond to each other It is arranged in the receiving grooves of the two brackets and is located between the two brackets; the two manifolds are arranged on the two brackets one by one, and are located between the plurality of single batteries. One side of the back; the plurality of battery modules are arranged side by side and electrically connected, and the receiving groove, the first central hole and the second central hole of each battery module support are coaxially arranged; the collection plate is arranged on each battery on the bracket of the battery module, and electrically connected to the bus board of each battery module; the two insulating plates are arranged on the bracket outside the battery module, and the bus board outside the battery module is sandwiched between the insulating boards and the outer bracket, and the third center hole of the insulating plate is coaxially arranged with the second center hole; the plurality of battery modules are accommodated in the receiving holes of the housing in one-to-one correspondence; the The heat dissipation fan is combined with the filter plate, and the plurality of heat dissipation fan assemblies are arranged on an insulating plate of the plurality of battery modules one by one, and the heat dissipation fan and the plurality of battery modules The insulating plates are set opposite to each other and electrically connected to each battery module; the mounting plate and the end plate are respectively set on both sides of the housing, and the through hole of the mounting plate and the fourth center of the end plate The hole is arranged coaxially with the third central hole of the insulating plate.

In a preferred embodiment, the edge of the bracket body protrudes toward the direction away from the bracket body to form a plurality of spaced apart first protrusions and a plurality of spaced apart second protrusions, each adjacent First positioning grooves are formed between the first protrusions, and second positioning grooves are formed between every adjacent second protrusions, the plurality of first protrusions and the plurality of second protrusions are arranged at intervals on the On both sides of the bracket, the mounting block is located between the plurality of first protrusions and the plurality of second protrusions; the protrusion in the receiving hole is extended to form a plurality of corresponding to the first positioning slots And the positioning blocks of the second positioning groove, the plurality of positioning blocks are arranged in pairs at both ends of the receiving hole at even intervals, and the first positioning groove and the second positioning groove are clamped on the positioning blocks.

In a preferred embodiment, the bracket body is also provided with a plurality of first cooling holes passing through the bracket body, and the plurality of first cooling holes are evenly spaced on the bracket body; There are a plurality of second heat dissipation holes corresponding to the first heat dissipation holes, and the plurality of first heat dissipation holes and the plurality of second heat dissipation holes are arranged coaxially in one-to-one correspondence.

In a preferred embodiment, the edge of the mounting plate protrudes toward a direction away from the mounting plate to form a first abutment edge, and the mounting plate is also provided with two first mounting holes, and the two second A mounting hole is arranged at intervals on both sides of the plurality of via holes; the battery pack structure also includes a separator corresponding to the mounting plate, which includes a separator body, the separator body is in the shape of a cuboid, And the partition body is provided with a plurality of positioning holes corresponding to the through holes, and the edge of the partition body protrudes and extends in a direction away from the partition body to form a second abutment edge. The body also has two second installation holes corresponding to the first installation holes, and the second installation holes are arranged at intervals on both sides of the plurality of positioning holes; the installation plate assembly also includes two connectors, each The connecting piece is in the shape of a hollow cylinder, and the connecting piece is provided with a connecting piece; the mounting plate of the mounting plate assembly is attached to the partition plate, and the first abutting edge of the mounting plate abuts against the The two connectors on the separator are clamped in the two first mounting holes and the two second mounting holes, and are respectively connected to the positive and negative electrodes of the battery module through the connecting pieces. sexual connection.

In a preferred embodiment, the mounting plate assembly further includes a plurality of fixing parts, each fixing part is integrally formed and made of insulating material, the fixing parts are Ω-shaped, and include wire slots, the fixing parts A plurality of perforations are provided on the part, and the plurality of perforations are arranged in pairs at intervals on both sides of the wire slot. side.

In a preferred embodiment, the outer wall of the main body protrudes to form a plurality of buffer ribs arranged at intervals and at the same height, and the edge of each buffer rib is provided with a plurality of fixing holes penetrating through the buffer rib. A plurality of fixing holes are arranged in pairs at intervals on both sides of the main body and arranged on a straight line.

In a preferred embodiment, the collection board is in the shape of a cuboid, and one end is provided with a connection terminal; the edge of each groove is also provided with a connection port, the connection port is rectangular, and the size of the connection port is The shape and shape correspond to the connection terminals of the collection board, and the connection terminals are clamped in the connection port.

Compared with the prior art, the battery pack structure provided by the utility model not only has good heat dissipation performance, but also has good heat exchange balance. In addition, the battery pack structure provided by the utility model is provided with fixing parts, which can make the distribution of the wires in the battery pack structure orderly and beautiful.

【Description of drawings】

Fig. 1 is a structural schematic diagram of the battery pack structure provided by the present invention.

FIG. 2 is an exploded view of the battery module of the battery pack structure shown in FIG. 1 .

FIG. 3 is a schematic structural diagram of a bracket of the battery module shown in FIG. 2 .

FIG. 4 is a structural schematic diagram of another viewing angle of the bracket of the battery module shown in FIG. 3 .

FIG. 5 is a schematic structural diagram of the casing of the battery pack structure shown in FIG. 1 .

FIG. 6 is an exploded view of the structure of the battery pack shown in FIG. 1 .

FIG. 7 is a structural schematic diagram of a fixing member of the mounting plate assembly of the battery pack structure shown in FIG. 6 .

Fig. 8 is a combination diagram of the battery pack structure shown in Fig. 1 .

FIG. 9 is a composite view of another viewing angle of the battery pack structure shown in FIG. 1 .

【detailed description】

In order to make the purpose, technical solution and beneficial technical effects of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be understood that the specific implementations described in this specification are only for explaining the utility model, not for limiting the utility model.

Please refer to FIG. 1 , the present invention provides a battery pack structure 100 , including a plurality of battery modules 10 , a casing 20 , a plurality of cooling fan assemblies 30 , a mounting plate assembly 40 and an end plate 50 .

Please refer to FIG. 2 to FIG. 4 , each battery module 10 includes a plurality of battery modules 11 , a collection board 12 and two insulating boards 13 . Each battery module 11 includes a plurality of single cells 111 , two brackets 112 and two bus plates 113 corresponding to the two brackets 112 . Each bracket 112 is substantially circular and made of plastic material. Each bracket 112 includes a bracket body 1121, and the bracket body 1121 is provided with a plurality of evenly spaced receiving grooves 1122 and a first central hole 1123, and each receiving groove 1122 is provided with a first hole that runs through the bracket body 1121. A through hole 1124 . In this embodiment, the shape of each receiving groove 1122, the first central hole 1123 and the first through hole 1124 is circular, and the diameter of each receiving groove 1122 is consistent with that of the first central hole 1123. The diameter of the first through hole 1124 is smaller than the diameter of each receiving groove 1122 and the first central hole 1123 .

Further, the edge of the bracket body 1121 protrudes away from the bracket body 1121 to form a plurality of spaced first protrusions 1125 and a plurality of spaced second protrusions 1126 . A first positioning groove 114 is formed between every adjacent first protrusion 1125 , and a second positioning groove 115 is formed between every adjacent second protrusion 1126 . In this embodiment, the number of the first protrusions 1125 and the second protrusions 1126 are three, and the number of the first positioning grooves 114 and the second positioning grooves 115 is two. The edge of the bracket body 1121 is also extended to form a mounting block 1127, the mounting block 1127 is roughly rectangular parallelepiped, the mounting block 1127 is located on the plurality of first protrusions 1125 and the plurality of second protrusions Between 1126 , the installation block 1127 is used for installing the collection board 12 .

Further, the bracket body 1121 is also provided with a plurality of first cooling holes 1128 passing through the bracket body 1121 , and the plurality of first cooling holes 1128 are evenly spaced on the bracket body 1121 . In this embodiment, the shape of each first heat dissipation hole 1128 is circular, and the diameter of each first heat dissipation hole 1128 is smaller than the diameter of the first through hole 1124 .

Each manifold 113 is made of metal material, and the shape and size of each manifold 113 correspond to the shape and size of each bracket 112 . Each manifold 113 defines a second center hole (not shown) corresponding to the first center hole 1123 and a plurality of second heat dissipation holes 1131 corresponding to the first heat dissipation holes 1128 . In this embodiment, the shape and size of the second center hole are consistent with the shape and size of the first center hole 1123, and the shape, size and number of the plurality of second cooling holes 1131 are the same as those of the plurality of second cooling holes 1131. The shape, size and quantity of the first cooling holes 1128 are consistent. Each single battery 111 is cylindrical, and the size of the two ends of each single battery 111 corresponds to the receiving groove 1122 . The plurality of single cells 111 are arranged in the receiving grooves 1122 of the two brackets 112 one by one, and are located between the two brackets 112; the two manifolds 113 are arranged in the two brackets 113 On the two brackets 112, and located on the opposite side of the plurality of single batteries 111; the plurality of battery modules 11 are arranged side by side and electrically connected, and the first center hole 1123 is connected to the second center The holes are coaxially arranged one by one, and the plurality of first cooling holes 1128 and the plurality of second cooling holes 1131 are arranged coaxially in one-to-one correspondence.

The collection board 12 is roughly in the shape of a cuboid, and one end is provided with a connecting terminal 121 . The collection board 12 is fixed on the mounting block 1127 of the bracket 112 of each battery module 11 by screws, and is electrically connected to the bus board 113 of the plurality of battery modules 11 .

Each insulating board 13 is made of insulating material, and the shape and size of the insulating board 13 correspond to the shape and size of each bracket 112 . The insulating board 13 defines a third central hole 131 corresponding to the first central hole 1123 . In this embodiment, the shape and size of the third central hole 131 are consistent with those of the first central hole 1123 and the second central hole. The two insulating plates 13 are arranged on the bracket 112 outside the battery module 11, the bus plate 113 outside the battery module 11 is sandwiched between the insulating plate 13 and the bracket 112 outside, and the insulating The third central hole 131 of the plate 13 is arranged coaxially with the second central hole.

Please refer to FIG. 5 , the housing 20 is made of insulating material and includes a main body 21 . The main body 21 is in the shape of a cuboid, and defines a plurality of receiving holes 22 that are evenly spaced and penetrate through the housing 20 . In this embodiment, the number of the plurality of receiving holes 22 is six, each receiving hole 22 is circular in shape, and the size of each receiving hole 22 is larger than the size of the bracket 12 . The outer wall of the main body 21 protrudes to form a plurality of buffer ribs 23 arranged at intervals and having the same height. In this way, the buffer ribs 23 not only reduce the contact area between the shell 20 and other objects, but also increase the contact area between the shell 20 and air, which is beneficial for the shell 20 to maintain the balance of heat exchange. The edge of each buffer rib 23 is provided with a plurality of fixing holes 231 passing through the buffer rib 23 , and in this embodiment, the fixing holes 231 are circular. Further, a plurality of positioning blocks 221 corresponding to the first positioning groove 114 and the second positioning groove 115 are formed extending from the receiving hole 22 . Each positioning block 221 is approximately rectangular parallelepiped, and the plurality of positioning blocks 221 are arranged in pairs at both ends of the receiving hole 22 at even intervals. In this embodiment, the number of positioning blocks 221 in each receiving hole 22 is eight.

Referring to FIG. 1 and FIG. 2 again, each cooling fan assembly 30 includes a cooling fan 31 and a filter plate 32 . The filter plate 32 is fixed on the insulating plate 13 at one end of the battery module 10 by screws, and the heat dissipation fan 31 is fixed on the filter plate 32 by screws and arranged opposite to the insulating plate 13, and every A cooling fan 31 is electrically connected to each battery module 10 . The wind direction of the cooling fan 31 is blown from the third central hole 131 of the insulating plate 13 close to one end of the cooling fan 31 to the third central hole 131 of the insulating plate 13 far away from the other end of the cooling fan 31 . In this way, when the heat dissipation fan 31 rotates, the heat dissipation fan 31 accelerates the air circulation velocity in the battery module 10 , which is beneficial to the heat dissipation of the battery module 10 .

Please refer to FIG. 1 , FIG. 6 and FIG. 7 , the mounting plate assembly 40 includes a mounting plate 41 , and the mounting plate 41 is made of insulating material. The mounting plate 41 is rectangular parallelepiped and defines a plurality of through holes 411 corresponding to the receiving holes 22 . In this embodiment, the number of the plurality of via holes 411 is six, and the shape of each via hole 411 is circular, and the diameter of each via hole 411 is smaller than the diameter of each receiving hole 22 . A first abutting edge 412 protrudes from an edge of the mounting plate 41 in a direction away from the mounting plate 41 . The installation plate 41 is also provided with two first installation holes 413 , and the two first installation holes 413 are arranged on two sides of the plurality of via holes 411 at intervals.

Further, the mounting plate assembly 40 also includes two connecting pieces 42 , each connecting piece 42 is in the shape of a hollow cylinder and is made of insulating material. The connecting piece 42 is provided with a connecting piece 421, and the connecting piece 421 is made of metal material.

Further, the mounting plate assembly 40 also includes a plurality of fixing pieces 43, each fixing piece 43 is integrally formed and made of insulating material. In this embodiment, the number of the plurality of fixing pieces 43 is six. The fixing member 43 is Ω-shaped and includes a wire slot 44 . The fixing member 43 is provided with a plurality of through holes 431 , and the plurality of through holes 431 are arranged on two sides of the wire passing slot 44 at intervals in pairs. In this embodiment, the shape of each through hole 431 is circular, and the number of the plurality of through holes 431 is four. The plurality of fixing pieces 43 are arranged at intervals on the installation board 41 and located on a side where the first abutting edge 412 is formed. The wires of the battery module 10 pass through the wire slot 44 of the fixing part 43 and are connected to the two connecting parts 421 . In this way, the wires of the battery pack structure 100 are distributed neatly, thereby improving the safety of the battery pack structure 100 .

The end plate 50 is made of insulating material and includes an end plate body 51 . The shape and size of the end plate body 51 correspond to the shape and size of the mounting plate 411 . The end plate body 51 is recessed and extended to form a plurality of grooves 52 corresponding to the through holes 411 . In this embodiment, the shape, size and number of the grooves 52 are consistent with the shape, size and number of the via holes 411 . A fourth center hole 521 corresponding to the third center hole 131 is defined in each groove 52 . In this embodiment, the fourth central hole 521 is circular.

Further, a connection opening 522 is opened on the edge of each groove 52 . The connecting port 522 is rectangular, and the size and shape of the connecting port 522 correspond to the connecting terminal 121 of the acquisition board 12 , and the connecting terminal 121 is clamped in the connecting port 522 .

Further, the battery pack structure 100 also includes a partition 60 corresponding to the mounting plate 41 , the partition 60 is made of insulating material and includes a partition body 61 . The partition body 61 is in the shape of a cuboid, and the partition body 61 defines a plurality of positioning holes 611 corresponding to the through holes 411 . In this embodiment, the number, shape and size of the positioning holes 611 are consistent with the number, shape and size of the via holes 411 . A second abutting edge 612 protrudes from an edge of the partition body 61 in a direction away from the partition body 61 . The partition body 61 is also provided with two second installation holes 613 corresponding to the first installation holes 413 , and the second installation holes 613 are arranged at two sides of the plurality of positioning holes 611 at intervals.

Please refer to Fig. 2, Fig. 6, Fig. 8 and Fig. 9. When assembling, the plurality of single cells 111 are arranged in the receiving grooves 1122 of the two brackets 112 one by one, and are located in the two between brackets 112 . Then, the two manifolds 113 are arranged on the two brackets 112 one by one correspondingly, and are located on opposite sides of the plurality of single batteries 111 to form a battery module 11 . Then, the plurality of battery modules 11 are arranged side by side and electrically connected, and the first center hole 1123 and the second center hole are coaxially arranged one by one, and the plurality of first heat dissipation holes 1128 are connected to the second center hole. The plurality of second cooling holes 1131 are coaxially arranged in one-to-one correspondence. Then, the collection board 12 is fixed on the mounting block 1127 of the bracket 112 of each battery module 11 by screws, and is electrically connected with the bus board 113 of the plurality of battery modules 11 . Next, the two insulating plates 13 are arranged on the bracket 112 outside the battery module 11, the bus plate 113 outside the battery module 11 is sandwiched between the insulating plate 13 and the bracket 112 outside, and The third center hole 131 of the insulating plate 13 is arranged coaxially with the second center hole to form a battery module 10 . Then, the plurality of battery modules 10 are accommodated in the receiving holes 22 of the housing 20 one by one, and the first positioning groove 114 and the second positioning groove of the bracket 112 on the outside of the plurality of battery modules 10 are 115 is clamped on the positioning block 221 in the receiving hole 22 . Then, the filter plate 32 is fixed on the insulating plate 13 at one end of the battery module 10 by screws, and the heat dissipation fan 31 is fixed on the filter plate 32 by screws and arranged opposite to the insulating plate 13 , and each cooling fan 31 is electrically connected to each battery module 10 . Then, the mounting plate 41 of the mounting plate assembly 40 and the partition plate 60 are pasted together, and the first abutment edge 412 of the mounting plate 41 abuts against the partition plate 60, and the mounting plate The two connecting pieces 42 of the component 40 are clamped in the first mounting hole 413 of the mounting plate 41 and the second mounting hole 613 of the partition 60, and the two connecting pieces 42 are connected to the The positive poles and negative poles of the plurality of battery modules 10 are electrically connected, and the fixing member 43 is interposed between the mounting plate 41 and the separator 60 . Finally, the mounting plate 41 and the partition plate 60 bonded together are arranged on the side of the housing 20 away from the heat dissipation fan 31 through the mounting plate 41, the partition plate 60, the fixing hole 231 and the end plate 50 by the screw , and the through hole 411 of the mounting plate 41 and the positioning hole 611 of the partition plate 60 are coaxially arranged with the first center hole 1123, the second center hole and the third center hole 131; the end plate 50 is arranged on Close to the side of the housing 20 of the cooling fan 31 , and the fourth center hole 521 of the end plate 50 is coaxially disposed with the first center hole 1123 , the second center hole and the third center hole 131 .

The battery pack structure provided by the utility model not only has good heat dissipation performance, but also has good heat exchange balance. In addition, the battery pack structure provided by the utility model is provided with fixing parts, which can make the distribution of the wires in the battery pack structure orderly and beautiful.

The utility model is not limited to the description in the description and the implementation, so those skilled in the art can easily realize additional advantages and modifications, so without departing from the spirit and general concept defined by the claims and equivalent scope Without limitation, the invention is not limited to the specific details, representative apparatus, and illustrative examples shown and described herein.

Claims (7)

1. A battery pack structure, characterized in that: it comprises a plurality of battery modules, a casing, a plurality of cooling fan assemblies, a mounting plate assembly and an end plate; each battery module includes a plurality of battery modules, a collection plate and two insulating plates; each battery module includes a plurality of single cells, two brackets and two manifolds corresponding to the two brackets, each bracket includes a bracket body, and the bracket body is provided with a plurality of A receiving groove and a first central hole, each receiving groove is provided with a first through hole through the bracket body; each manifold is provided with a second central hole corresponding to the first central hole; each an insulating plate is provided with a third central hole corresponding to the first central hole; The shell includes a main body, and the main body is provided with a plurality of receiving holes arranged at regular intervals; Each cooling fan assembly includes a cooling fan and a filter plate; The mounting plate assembly includes a mounting plate, and the mounting plate is provided with a plurality of via holes corresponding to the receiving holes of the housing; The end plate includes an end plate body, the end plate body is recessed and extended to form a plurality of grooves corresponding to the through holes, and a fourth center corresponding to the third center hole is opened in each groove hole; The plurality of single batteries are arranged one by one in the receiving grooves of the two brackets, and are located between the two brackets; the two manifolds are arranged on the two brackets one by one, And located on the opposite side of the plurality of single batteries; the plurality of battery modules are arranged side by side and electrically connected, and the receiving groove, the first center hole and the second center hole of each battery module bracket are coaxially arranged The acquisition board is arranged on the bracket of each battery module, and is electrically connected with the bus plate of each battery module; the two insulating plates are arranged on the bracket outside the battery module, and the outside of the battery module The bus plate is sandwiched between the insulating plate and the outer bracket, and the third central hole of the insulating plate is coaxially arranged with the second central hole; the plurality of battery modules are accommodated in one by one In the receiving hole of the housing; the heat dissipation fan is combined with the filter plate, and the plurality of heat dissipation fan assemblies are arranged on an insulating plate of the plurality of battery modules one by one, and the heat dissipation The fan is arranged opposite to the insulating plates of the plurality of battery modules and is electrically connected to each battery module; the installation plate and the end plate are respectively arranged on both sides of the casing, and the overside of the installation plate The hole and the fourth central hole of the end plate are arranged coaxially with the third central hole of the insulating plate. 2. The battery pack structure according to claim 1, characterized in that: the edge of the bracket body protrudes and extends away from the bracket body to form a plurality of spaced apart first bumps and a plurality of spaced apart The first positioning groove is formed between each adjacent first protrusion, and the second positioning groove is formed between each adjacent second protrusion. The plurality of first protrusions and the plurality of Two second protrusions are arranged at intervals on both sides of the bracket, the mounting block is located between the plurality of first protrusions and the plurality of second protrusions; the protrusions in the receiving hole extend to form a A plurality of positioning blocks corresponding to the first positioning groove and the second positioning groove, the plurality of positioning blocks are evenly spaced in pairs at both ends of the receiving hole, the first positioning groove and the second positioning groove Clamped on the positioning block. 3. The battery pack structure according to claim 1, wherein the bracket body is further provided with a plurality of first cooling holes penetrating the bracket body, and the plurality of first cooling holes are evenly spaced on the bracket body. On the bracket body; each manifold is provided with a plurality of second heat dissipation holes corresponding to the first heat dissipation holes, and the plurality of first heat dissipation holes and the plurality of second heat dissipation holes are coaxially arranged one by one. 4. The battery pack structure according to claim 1, characterized in that: the edge of the mounting plate protrudes and extends away from the mounting plate to form a first abutment edge, and the mounting plate is also provided with two The first mounting holes, the two first mounting holes are arranged at intervals on both sides of the plurality of via holes; the battery pack structure also includes a separator corresponding to the mounting plate, the separator body , the partition body is in the shape of a cuboid, and the partition body is provided with a plurality of positioning holes corresponding to the through holes, and the edge of the partition body is formed by protruding in a direction away from the partition body There is a second abutting edge, and the partition body is also provided with two second installation holes corresponding to the first installation holes, and the second installation holes are arranged at intervals on both sides of the plurality of positioning holes; the installation The plate assembly also includes two connecting pieces, each of which is in the shape of a hollow cylinder, and the connecting piece is provided with a connecting piece; the mounting plate of the mounting plate assembly is attached to the partition, and the mounting The first abutting edge of the plate leans against the two connecting pieces on the partition and is held in the two first mounting holes and the two second mounting holes, and the connecting piece is connected to the two connecting pieces respectively. The positive pole and the negative pole of the battery module are electrically connected. 5. The battery pack structure according to claim 4, wherein the mounting plate assembly further includes a plurality of fixing parts, each fixing part is integrally formed and made of insulating material, and the fixing parts are Ω-shaped , and includes a wire passing groove, the fixing member is provided with a plurality of perforations, the plurality of through holes are arranged in pairs on both sides of the wire passing groove, and the plurality of fixing members are arranged at intervals on the mounting plate , and is located on the side where the first abutting edge is formed. 6. The battery pack structure according to claim 1, characterized in that: the outer wall of the main body protrudes and extends to form a plurality of buffer ribs arranged at intervals and at the same height, and the edge of each buffer rib is provided with a plurality of penetrating ribs. As for the fixing holes of the buffer ribs, the plurality of fixing holes are arranged in pairs on both sides of the main body at intervals and arranged on a straight line. 7. The battery pack structure according to claim 1, characterized in that: the collection board is in the shape of a cuboid, and one end is provided with a connection terminal; the edge of each groove is also provided with a connection port, and the connection port It is rectangular, and the size and shape of the connection port correspond to the connection terminal of the acquisition board, and the connection terminal is clamped in the connection port.