CN115209645A - Battery pack acquisition and equalization module and battery pack - Google Patents

Abstract

The invention provides a battery pack collecting and equalizing module and a battery pack, which relate to the field of battery technology and are used to solve the problem of low strength and rigidity of an upper cover. The battery pack collecting and equalizing module includes an upper cover, a bottom plate assembly and a circuit board. An accommodating cavity with an open bottom is provided, the bottom plate assembly cover is arranged on the opening of the upper cover, the circuit board is mounted on the bottom plate assembly, and is located in the accommodating cavity; Two reinforcing convex hulls and a third reinforcing convex hull, the first reinforcing convex hull is disposed opposite to the first electrical component provided on the circuit board, the second reinforcing convex hull is disposed opposite to the second electrical component disposed on the circuit board, and the third reinforcing convex hull is disposed opposite to the second electrical component disposed on the circuit board. The convex hull is arranged opposite to the plug connector arranged on the circuit board. The battery pack includes the above-mentioned battery pack acquisition and equalization module and a plurality of battery cells connected thereto. The battery pack collecting and equalizing module and the battery pack of the present invention is used to improve the strength and rigidity of the upper cover.

Description

Battery pack acquisition equalization module and battery pack

technical field

The invention relates to the technical field of batteries, and in particular, to a battery pack acquisition equalization module and a battery pack.

Background technique

The battery pack refers to a complete power supply system composed of battery modules in series and parallel, and through the mechanical structure and battery management structures at all levels.

The battery pack of the related art usually includes a battery box and a battery module arranged in the battery box. The battery module is provided with a battery cell capable of storing and releasing electric energy, and the charging and discharging of the battery cell is usually managed by a collection balance module. . The acquisition and equalization module includes an upper cover, a bottom plate and a circuit board. The upper cover is provided with an accommodating cavity with an open bottom, the bottom plate cover is arranged on the opening of the upper cover, the circuit board is located in the accommodating cavity, and the circuit board and the battery cells are arranged in the accommodating cavity. electrical connection.

However, the above-mentioned upper cover has low strength and rigidity, which increases the probability of the upper cover being damaged by force, which is not conducive to the protection of the circuit board.

SUMMARY OF THE INVENTION

In view of the above problems, embodiments of the present invention provide a battery pack collection and equalization module and a battery pack, which are used to improve the strength and rigidity of the upper cover.

In order to achieve the above purpose, the embodiments of the present invention provide the following technical solutions:

A first aspect of the present invention provides a battery pack collecting and equalizing module, which includes an upper cover, a bottom plate assembly and a circuit board. The board is mounted on the base plate assembly and is located in the accommodating cavity; the upper cover is also provided with a first reinforcing convex hull, a second reinforcing convex hull and a third reinforcing convex hull, the first reinforcing convex hull, the second reinforcing convex hull and the The third reinforcing convex hull protrudes in a direction away from the base plate assembly, the first reinforcing convex hull is disposed opposite to the first electrical component provided on the circuit board, and the second reinforcing convex hull is disposed opposite to the second electrical component disposed on the circuit board, The third reinforcing convex hull is arranged opposite to the plug connector arranged on the circuit board.

Compared with the prior art, the battery pack collection and equalization module provided by the embodiment of the present invention has the following advantages:

In the battery pack collecting and equalizing module of the embodiment of the present invention, the upper cover is provided with a accommodating cavity with an open bottom, the bottom plate assembly cover is provided on the opening of the upper cover, and the circuit board is mounted on the bottom plate assembly and is located in the accommodating cavity of the upper cover. In the cavity, the circuit board can be placed in the space jointly defined by the upper cover and the bottom plate assembly, and the circuit board can be protected by the upper cover and the bottom plate assembly; Three reinforcing convex hulls, the first reinforcing convex hull, the second reinforcing convex hull and the third reinforcing convex hull protrude in the direction away from the base plate assembly, and the first reinforcing convex hull, the second reinforcing convex hull and the third reinforcing convex hull increase the upper The rigidity and strength of the cover reduce the probability of the upper cover being damaged by force, which is beneficial to the protection of the circuit board; the first reinforcing convex hull is arranged opposite to the first electrical component provided on the circuit board, and the second reinforcing convex hull is opposite to the circuit board. The second electrical components provided on the upper cover are arranged opposite to each other, and the third reinforcing convex hull is arranged opposite to the plug connectors arranged on the circuit board, which can improve the rigidity and strength of a specific area of the upper cover, and target the third reinforcement on the circuit board. An electrical component, a second electrical component and a plug connector are protected.

In some embodiments, the shape of the first reinforcing convex hull, the shape of the second reinforcing convex hull, and the shape of the third reinforcing convex hull are all rectangular, and the length of the third reinforcing convex hull is greater than that of the first reinforcing convex hull and The length of the second reinforcing convex hull; the first long side of the first reinforcing convex hull is opposite to one end of the first long side of the third reinforcing convex hull; the first short side of the second reinforcing convex hull is opposite to the third reinforcing convex hull The middle sections of the first long sides of the second reinforcing convex hulls are oppositely arranged, and the distance between the first short side of the second reinforcing convex hull and the first long side of the third reinforcing convex hull is greater than the width of the first reinforcing convex hull.

In some embodiments, the height of the third reinforcing convex hull is greater than the height of the first reinforcing convex hull and the height of the second reinforcing convex hull.

In some embodiments, the upper cover includes a top plate, and an annular side plate surrounding the top plate, the side plate and the top plate enclose a accommodating cavity with an open bottom; the top plate includes a rectangular middle plate, and is connected in the middle Two connecting plates on two opposite first sides of the plate, two opposite second sides are arranged between the two first plates of the middle plate, the side plates are connected with the two second sides of the middle plate, and are connected with the two second sides of the middle plate. The ends of the connecting plates are connected; the first reinforcing convex hull, the second reinforcing convex hull and the third reinforcing convex hull are arranged on the intermediate plate.

In some embodiments, each connecting plate includes a first connecting plate and a second connecting plate disposed at the end of the first connecting plate, the first connecting plate is connected with the first side of the corresponding intermediate plate and protrudes toward the bottom plate assembly The end of the second connecting plate is connected with the side plate, and the first connecting plate and the second connecting plate are connected to form an L-shaped connecting plate.

In some embodiments, a plurality of reinforcing ribs are disposed between the second connecting plate and the side plate, one side of each reinforcing rib is connected to the side plate, and the other side of each reinforcing rib is connected to the second connecting plate.

In some embodiments, the base plate assembly includes a base plate and an insulating plate disposed on the base plate; a plurality of first assembly columns are disposed on the insulating plate, each first assembly column protrudes toward the upper cover, and each first assembly column is disposed on There is a first assembly hole, and the center line of each first assembly column coincides with the center line of the first assembly hole set on it; the bottom plate is provided with a second assembly hole corresponding to the first assembly hole; the circuit board is provided with a second assembly hole corresponding to the first assembly hole; A third assembly hole corresponding to the assembly hole; the upper cover is provided with a plurality of second assembly columns corresponding to the plurality of first assembly columns, each second assembly column protrudes toward the bottom plate, and each second assembly column is provided with a For the fourth assembly hole corresponding to the first assembly hole, the center line of each second assembly column coincides with the center line of the fourth assembly hole set on it; the corresponding first assembly hole, second assembly hole, third assembly hole and third assembly hole Fittings for connecting the upper cover, the circuit board, the bottom plate and the insulating board are pierced through the four assembling holes.

In some embodiments, the side plate is formed by connecting four sub-side plates end-to-end to form a rectangular annular side plate; one end of each second assembly column is connected to the middle plate, and each second assembly column corresponds to two adjacent sub-side plates that are connected to each other. A reinforcing strip is arranged between each second assembly column and the two adjacent sub-side plates at the connection point.

In some embodiments, the plug connector is provided with a plug port, into which the plug of the external wiring harness is inserted; the upper cover is further provided with an escape socket opposite to the plug port, and the plug is inserted into the plug port from the avoidance socket.

A second aspect of the present invention provides a battery pack, which includes the battery pack acquisition and equalization module in any of the above embodiments, and a plurality of battery cells electrically connected to the battery pack acquisition and equalization module.

In addition to the technical problems solved by the embodiments of the present invention described above, the technical features constituting the technical solutions, and the beneficial effects brought about by the technical features of these technical solutions, the battery pack collection and equalization module and the battery pack provided by the embodiments of the present invention Other technical problems that can be solved, other technical features included in the technical solution, and the beneficial effects brought about by these technical features will be described in further detail in the specific embodiments.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a battery pack collection and equalization module according to an embodiment of the present invention;

2 is a schematic structural diagram of an upper cover in an embodiment of the present invention;

3 is a schematic structural diagram of a circuit board in an embodiment of the present invention;

4 is an exploded view of a circuit board in an embodiment of the present invention;

FIG. 5 is an exploded view of the base plate assembly in the embodiment of the present invention.

Description of reference numbers:

100: upper cover; 101: accommodating cavity;

102: top plate; 103: side plate;

104: middle plate; 105: connecting plate;

106: the first connection board; 107: the second connection board;

108: reinforcement rib; 109: first reinforcement convex hull;

110: the second reinforced convex hull; 111: the third reinforced convex hull;

112: the second assembly column; 113: the fourth assembly hole;

114: Sub-side plate; 115: Reinforcing strip;

116: Avoidance socket; 200: Bottom plate assembly;

201: bottom plate; 202: insulating plate;

203: the first assembly column; 204: the first assembly hole;

205: second assembly hole; 300: circuit board;

301: plug connector; 302: plug interface;

303: mounting post; 304: abutting seat;

305: the first installation hole; 306: the second installation hole;

307: The third assembly hole.

Detailed ways

In order to make the above objects, features and advantages of the embodiments of the present invention more clearly and easily understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

The battery pack of the related art usually includes a battery box and a battery module arranged in the battery box. The battery module is provided with a battery cell capable of storing and releasing electric energy, and the charging and discharging of the battery cell is usually managed by a collection balance module. . The acquisition and equalization module includes an upper cover, a bottom plate and a circuit board. The upper cover is provided with an accommodating cavity with an open bottom, the bottom plate cover is arranged on the opening of the upper cover, the circuit board is located in the accommodating cavity, and the circuit board and the battery cells are arranged in the accommodating cavity. electrical connection. However, the above-mentioned upper cover has low strength and rigidity, which increases the probability of the upper cover being damaged by force, which is not conducive to the protection of the circuit board.

In order to solve the problem that the strength and rigidity of the upper cover are low, resulting in an increased probability of the upper cover being damaged by force, which is not conducive to the protection of the circuit board, the embodiment of the present invention provides a battery pack collection and equalization module. The convex hull, the second reinforcing convex hull and the third reinforcing convex hull improve the strength and rigidity of the upper cover, reduce the probability of the upper cover being damaged by force, and realize the effective protection of the circuit board. The stiffness and strength of a specific position can provide targeted protection to the first electrical component, the second electrical component and the plug connector on the circuit board.

The battery pack acquisition and equalization module in the embodiment of the present invention is suitable for battery packs. When in use, the battery pack acquisition and equalization module is electrically connected to the battery cells in the battery pack through the external wiring harness, and then the battery cells in the battery pack are electrically connected. The charging and discharging are managed to maximize the charging of each battery cell in the entire battery pack, so as to avoid individual battery cells being fully charged first, causing the remaining battery cells to stop charging. During discharge, each battery cell in the entire battery pack is effectively discharged, preventing individual battery cells from being discharged first and causing the remaining battery cells to stop discharging, thus improving the performance of the battery pack.

Please refer to FIG. 1 , FIG. 2 and FIG. 3 , the battery pack collecting and equalizing module according to the embodiment of the present invention includes an upper cover 100 , a bottom plate assembly 200 and a circuit board 300 , and the upper cover 100 is provided with an accommodating cavity 101 with an open bottom. , the bottom plate assembly 200 is covered on the opening of the upper cover 100, the circuit board 300 is installed on the bottom plate assembly 200, and is located in the accommodating cavity 101, the circuit board 300 manages the charging and discharging of the battery cells, and the bottom plate assembly 200 is used for After installing the circuit board 300 , the bottom plate assembly 200 is also used to cooperate with the upper cover 100 to form a casing to protect the circuit board 300 .

The structure of the circuit board 300 will be described in detail below with reference to the accompanying drawings.

Referring to FIG. 3 , the circuit board 300 is provided with a plurality of plug connectors 301 , and the plurality of plug connectors 301 may be three plug connectors 301 as shown in FIG. The interface 302, the plug interface 302 is a cavity in the shape of a cube. The plug interface 302 is inserted with a plug corresponding to the external wiring harness, and the external wiring harness is also connected to the battery cells in the battery pack.

Referring to FIG. 4 , each plug connector 301 is also provided with a mounting post 303 , the mounting post 303 protrudes toward the circuit board 300 , the mounting post 303 abuts on the circuit board 300 , and an abutting seat 304 is provided outside each plug connector 301 , the abutting seat 304 protrudes toward the circuit board 300, the abutting seat 304 abuts on the circuit board 300, each plug connector 301 first abuts on the circuit board 300 through the abutting seat 304 and the mounting post 303, and then passes the lower The aforementioned mounting member is fixed on the circuit board 300 .

Referring to FIG. 4 , the mounting post 303 is provided with a first mounting hole 305 , the center line of the first mounting hole 305 is coincident with the center line of the mounting post 303 , and the circuit board 300 is provided with a second mounting hole 305 corresponding to the first mounting hole 305 . Mounting components for mounting the plug connector 301 on the circuit board 300 are inserted into the mounting holes 306 , the first mounting holes 305 and the second mounting holes 306 . The mounting components may be threaded connectors such as bolts and screws.

Referring to FIGS. 4 and 5 , the circuit board 300 is further provided with third mounting holes 307 corresponding to the following first mounting holes 204 provided on the bottom plate assembly 200 , and the third mounting holes 307 are used to fix the circuit board 300 on the on the base plate assembly 200.

The structure of the upper cover 100 will be described in detail below with reference to the accompanying drawings.

Referring to FIG. 2 , the upper cover 100 includes a top plate 102 and an annular side plate 103 disposed around the top plate 102 . The side plate 103 and the top plate 102 enclose a accommodating cavity 101 with an open bottom. Wherein, the top plate 102 and the side plate 103 may be an integral structure.

Referring to FIGS. 1 and 2 , the top plate 102 includes a rectangular middle plate 104 , and two connecting plates 105 connected to two opposite first sides of the middle plate 104 , and the two first plates of the middle plate 104 are arranged between the two first plates. On the two opposite second sides, the side plate 103 is connected with the two second sides of the middle plate 104 , and is connected with the ends of the two connecting plates 105 . Wherein, the middle plate 104 and the two connecting plates 105 may be of an integrated structure.

Referring to FIG. 1 , each connecting plate 105 includes a first connecting plate 106 and a second connecting plate 107 disposed at the end of the first connecting plate 106 , the first connecting plate 106 is connected to the first side of the corresponding intermediate plate 104 , and Protruding toward the bottom plate assembly 200, the end of the second connecting plate 107 is connected to the side plate 103, and the first connecting plate 106 and the second connecting plate 107 are connected to form an L-shaped connecting plate 105, so that the rigidity of the top plate 102 and the Strength, reducing the probability of the upper cover 100 being damaged by force.

Referring to FIG. 2 , a plurality of reinforcing ribs 108 are disposed between the second connecting plate 107 and the side plate 103 , one side of each reinforcing rib 108 is connected to the side plate 103 , and the other side of each reinforcing rib 108 is connected to the second connecting plate 107 , the reinforcing rib 108 can make a reliable connection between the second connecting plate 107 and the side plate 103, improve the connection strength between the top plate 102 and the side plate 103, thereby increasing the strength of the upper cover 100, and reducing the damage of the upper cover 100 due to force. probability.

Please refer to FIG. 1 , the upper cover 100 is further provided with a first reinforcing convex hull 109 , a second reinforcing convex hull 110 and a third reinforcing convex hull 111 , the first reinforcing convex hull 109 , the second reinforcing convex hull 110 and the third reinforcing convex hull The convex hull 111 is disposed on the middle plate 104 , the first reinforcing convex hull 109 , the second reinforcing convex hull 110 and the third reinforcing convex hull 111 protrude in a direction away from the base plate assembly 200 , the first reinforcing convex hull 109 and the second reinforcing convex hull are The convex hull 110 and the third reinforcing convex hull 111 increase the rigidity and strength of the upper cover 100 , reduce the probability of the upper cover 100 being damaged by force, and are beneficial to the protection of the circuit board 300 .

Please refer to FIG. 1 and FIG. 3 , the first reinforcing convex hull 109 is disposed opposite to the first electrical component provided on the circuit board 300 , the second reinforcing convex hull 110 is disposed opposite to the second electrical component disposed on the circuit board 300 , and the third The reinforcing convex hull 111 is disposed opposite to the plug connector 301 provided on the circuit board 300 , so that the rigidity and strength of a specific area of the upper cover 100 can be improved, and the Two electrical components and plug connectors 301 are protected.

Referring to FIG. 1 , the shape of the first reinforcing convex hull 109 , the shape of the second reinforcing convex hull 110 and the shape of the third reinforcing convex hull 111 are all rectangular, and the length of the third reinforcing convex hull 111 is greater than that of the first reinforcing convex hull 109 and the length of the second reinforcing convex hull 110; the first long side of the first reinforcing convex hull 109 and one end of the first long side of the third reinforcing The short side is disposed opposite to the middle section of the first long side of the third reinforcing convex hull 111, and the distance between the first short side of the second reinforcing convex hull 110 and the first long side of the third reinforcing convex hull 111 is greater than that of the first A width of the reinforcing convex hull 109 .

Please refer to FIG. 1 , the height of the third reinforcing convex hull 111 is greater than the height of the first reinforcing convex hull 109 and the height of the second reinforcing convex hull 110 , the height of the first reinforcing convex hull 109 and the height of the second reinforcing convex hull 110 may be approximately equal, or, the height of the first reinforcing earth hull is greater than the height of the second reinforcing convex hull 110 .

Please refer to FIG. 2 , FIG. 3 and FIG. 5 , the upper cover 100 is further provided with a plurality of second assembling posts 112 corresponding to the following plurality of first assembling posts 203 provided on the bottom plate assembly 200 . The bottom plate 201 protrudes in the direction, and each second assembly column 112 is provided with a fourth assembly hole 113 corresponding to the following first assembly hole 204 provided on the bottom plate assembly 200 , and the centerline of each second assembly column 112 is set on it. The centerlines of the fourth mounting holes 113 of the The upper cover 100 and the bottom plate assembly 200 can pass through the fourth mounting hole 113 on the top cover 100 , the above-mentioned third mounting hole 307 on the circuit board 300 , and the following first mounting hole 204 and second mounting hole in the bottom plate assembly 200 205 Assemble the circuit board 300 , the upper cover 100 and the base plate assembly 200 together, so as to improve assembly efficiency and increase the connection strength of the upper cover 100 and the base plate assembly 200 .

Referring to FIG. 2 , the side plate 103 is formed by four sub-side plates 114 connected end to end to form a rectangular annular side plate 103 .

Referring to FIG. 2 , one end of each second assembly column 112 is connected to the middle plate 104 , each second assembly column 112 is correspondingly close to the junction of two connected sub-side plates 114 , and each second assembly column 112 is connected to two adjacent sub-side plates 114 . A reinforcing bar 115 is disposed between the side plates 114. The reinforcing bar 115 can increase the connection strength between the second assembly column 112 and the sub-side plate 114, so that the second assembly column 112 can be reliably arranged on the upper cover 100, and further This enables reliable connection between the upper cover 100 and the bottom plate assembly 200 .

Please refer to FIG. 1 and FIG. 2 , the upper cover 100 is further provided with an escape socket 116 opposite to the above-mentioned socket 302 , the plug is inserted into the socket 302 from the escape socket 116 , and the escape socket 116 can be arranged on the sub-side of the side plate 103 on board 114.

The structure of the base plate assembly 200 will be described in detail below with reference to the accompanying drawings.

Referring to FIG. 5 , the base plate assembly 200 includes a base plate 201 and an insulating plate 202 disposed on the base plate 201 , and a circuit board 300 is disposed on the side of the insulating plate 202 facing away from the base plate 201 .

Please refer to FIG. 2 and FIG. 5 , the insulating plate 202 is further provided with a plurality of first assembling posts 203 , and the plurality of first assembling posts 203 are arranged corresponding to the second assembling posts 112 provided on the upper cover 100 . 203 protrudes toward the upper cover 100 , each first assembly post 203 is provided with a first assembly hole 204 , the first assembly hole 204 is correspondingly arranged with the fourth assembly hole 113 provided on the upper cover 100 , and each first assembly post 203 The center line of the first assembly hole 204 coincides with the center line of the first assembly hole 204 provided thereon.

Referring to FIGS. 2 , 3 and 5 , the bottom plate 201 is provided with a second assembly hole 205 corresponding to the first assembly hole 204 , the corresponding first assembly hole 204 , the second assembly hole 205 , the third assembly hole 307 and the A fitting for connecting the upper cover 100 , the circuit board 300 , the bottom plate 201 and the insulating plate 202 is inserted into the fourth fitting hole 113 , and the fitting can be, for example, a threaded rod such as a bolt or a screw.

The installation process of the battery pack acquisition equalization module according to the embodiment of the present invention is as follows:

First, the mounting parts are inserted into the first mounting holes 305 and the second mounting holes 306 to realize the mounting of the plug connector 301 on the circuit board 300;

Second, place the circuit board 300 on the insulating board 202;

After that, the upper cover 100 is covered on the bottom plate assembly 200, and the assembly parts are inserted into the first assembly hole 204, the second assembly hole 205, the third assembly hole 307 and the fourth assembly hole 113, so as to realize the assembly of the upper cover 100, The circuit board 300 , the insulating board 202 and the bottom plate 201 are connected together.

An embodiment of the present invention further provides a battery pack, which includes the above-mentioned battery pack acquisition and equalization module and a plurality of battery cells electrically connected to the battery pack acquisition and equalization module.

In the battery pack according to the embodiment of the present invention, by setting the battery pack equalization module, the charge and discharge of the battery cells in the battery pack can be managed, and the performance of the battery pack can be improved. The second reinforcing convex hull 110 , the third reinforcing convex hull 111 , the first reinforcing convex hull 109 , the second reinforcing convex hull 110 and the third reinforcing convex hull 111 protrude in the direction away from the base plate assembly 200 , the first reinforcing convex hull 109 , The second reinforcing convex hull 110 and the third reinforcing convex hull 111 increase the rigidity and strength of the upper cover 100, reduce the probability of the upper cover 100 being damaged by force, and are beneficial to the protection of the circuit board 300; the first reinforcing convex hull 109 and the The first electrical components provided on the circuit board 300 are arranged opposite to each other, the second reinforcing bosses 110 are arranged opposite to the second electrical components provided on the circuit board 300 , and the third reinforcing bosses 111 are opposite to the plug connectors 301 provided on the circuit board 300 The arrangement can improve the rigidity and strength of a specific area of the upper cover 100 , and protect the first electrical component, the second electrical component and the plug connector 301 on the circuit board 300 in a targeted manner.

In addition to the technical problems solved by the embodiments of the present invention described above, the technical features constituting the technical solutions, and the beneficial effects brought about by the technical features of these technical solutions, the information identification equipment provided by the embodiments of the present invention can solve the problems Other technical problems, other technical features included in the technical solution, and the beneficial effects brought about by these technical features will be described in further detail in the specific embodiments.

The embodiments or implementations in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments, and the same and similar parts between the various embodiments may be referred to each other.

In the description of this specification, reference to the terms "one embodiment," "some embodiments," "exemplary embodiment," "example," "specific example," or "some examples", etc., is meant to incorporate the embodiments A particular feature, structure, material, or characteristic described or exemplified is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: The technical solutions described in the foregoing embodiments can still be modified, or some or all of the technical features thereof can be equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the embodiments of the present invention. scope.

Claims (10)

1. A battery pack collection and equalization module, characterized in that it comprises an upper cover, a base plate assembly and a circuit board, the upper cover is provided with a accommodating cavity with an open bottom, and the base plate assembly is covered on the upper cover The circuit board is mounted on the base plate assembly and is located in the accommodating cavity; The upper cover is also provided with a first reinforcing convex hull, a second reinforcing convex hull and a third reinforcing convex hull, and the first reinforcing convex hull, the second reinforcing convex hull and the third reinforcing convex hull are Protruding away from the direction of the base plate assembly, the first reinforcing protrusions are arranged opposite to the first electrical components provided on the circuit board, and the second reinforcing protrusions are opposite to the second electrical components provided on the circuit board. The components are arranged opposite to each other, and the third reinforcing convex hull is arranged opposite to the plug connectors arranged on the circuit board. 2 . The battery pack collecting and equalizing module according to claim 1 , wherein the shape of the first reinforcing convex hull, the shape of the second reinforcing convex hull, and the shape of the third reinforcing convex hull are all 2 . rectangular, and the length of the third reinforcing convex hull is greater than the length of the first reinforcing convex hull and the length of the second reinforcing convex hull; The first long side of the first reinforcing convex hull is disposed opposite to one end of the first long side of the third reinforcing convex hull; The first short side of the second reinforcing convex hull is arranged opposite to the middle section of the first long side of the third reinforcing convex hull, and the first short side of the second reinforcing convex hull is opposite to the third reinforcing convex hull. The distance between the first long sides of the convex hull is greater than the width of the first reinforcing convex hull. 3 . The battery pack collecting and equalizing module according to claim 2 , wherein the height of the third reinforcing convex hull is greater than the height of the first reinforcing convex hull and the height of the second reinforcing convex hull. 4 . 4. The battery pack collecting and equalizing module according to any one of claims 1-3, wherein the upper cover comprises a top plate and an annular side plate arranged around the top plate, the side plate and The top plate encloses the accommodating cavity whose bottom is open; The top plate includes a rectangular middle plate, and two connecting plates connected to two opposite first sides of the middle plate, and two opposite second sides are arranged between the two first plates of the middle plate , the side plates are connected with the two second sides of the middle plate, and are connected with the ends of the two connecting plates; The first reinforcing convex hull, the second reinforcing convex hull and the third reinforcing convex hull are arranged on the intermediate plate. 5 . The battery pack collecting and equalizing module according to claim 4 , wherein each of the connecting plates comprises a first connecting plate and a second connecting plate disposed at the end of the first connecting plate, and the first connecting plate The connecting plate is connected with the corresponding first side of the middle plate and protrudes toward the bottom plate assembly, the end of the second connecting plate is connected with the side plate, the first connecting plate and the first connecting plate are connected to the side plate. The two connecting plates are connected to form an L-shaped connecting plate. 6 . The battery pack collecting and equalizing module according to claim 5 , wherein a plurality of reinforcing ribs are arranged between the second connecting plate and the side plate, and one side of each reinforcing rib is connected to the side of the side plate. 7 . The plates are connected, and the other side of each reinforcing rib is connected with the second connecting plate. 7 . The battery pack collection and equalization module according to claim 4 , wherein the base plate assembly comprises a base plate and an insulating plate disposed on the base plate; 8 . The insulating plate is provided with a plurality of first assembly posts, each of the first assembly posts protrudes toward the upper cover, and each of the first assembly posts is provided with a first assembly hole, and each of the first assembly posts is provided with a first assembly hole. The center line of the assembly column coincides with the center line of the first assembly hole provided thereon; The bottom plate is provided with a second assembly hole corresponding to the first assembly hole; The circuit board is provided with a third assembly hole corresponding to the first assembly hole; The upper cover is provided with a plurality of second assembly columns corresponding to the plurality of first assembly columns, each of the second assembly columns protrudes toward the bottom plate, and each of the second assembly columns is provided with a For the fourth assembly hole corresponding to the first assembly hole, the centerline of each of the second assembly columns coincides with the centerline of the fourth assembly hole provided thereon; The corresponding first assembly hole, the second assembly hole, the third assembly hole and the fourth assembly hole are pierced for the upper cover, the circuit board, the bottom plate and all the Assemblies for the connection of insulating plates. 8 . The battery pack collecting and equalizing module according to claim 7 , wherein the side plate is formed into a rectangular annular side plate by connecting four sub-side plates end to end; 8 . One end of each second assembly column is connected to the middle plate, each second assembly column is correspondingly close to the connection of the two connected sub-side plates, and each second assembly column is connected to the adjacent two sub-side plates. A reinforcing strip is arranged between each of the sub-side panels. 9 . The battery pack collecting and equalizing module according to claim 1 , wherein the plug connector is provided with a plug interface, and the plug of the external wiring harness is inserted into the plug interface; 10 . The upper cover is further provided with an avoidance socket opposite to the insertion port, and the plug is inserted into the insertion port from the avoidance socket. 10 . A battery pack, characterized in that it comprises the battery pack collecting and equalizing module according to any one of claims 1 to 9 and a plurality of battery cells electrically connected to the battery pack collecting and equalizing module. 11 .

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