WO2023178518A1

WO2023178518A1 - Battery system and electrical apparatus

Info

Publication number: WO2023178518A1
Application number: PCT/CN2022/082292
Authority: WO
Inventors: 白怀明
Original assignee: 东莞新能安科技有限公司
Priority date: 2022-03-22
Filing date: 2022-03-22
Publication date: 2023-09-28

Abstract

A battery system (100) and an electrical apparatus having the battery system (100). The battery system (100) comprises a first module (10), a second module (20) and a first structural assembly (30), wherein the second module (20) and the first module (10) are stacked in a first direction (Z). The first structural assembly (30) comprises a first portion (311) and a second portion (312), wherein the first portion (311) is configured to be fixed to the first module (10), and the second portion (312) is configured to be fixed to the second module (20). The first structural assembly (30) moves in the first direction (Z) and moves in a direction opposite the first direction (Z), and the first structural assembly (30) can move relative to the first module (10), so that the second portion (312) is connected to or separated from the second module (20). In the battery system (100), the first module (10) is connected to or separated from the second module (20) by means of the first structural assembly (30), which is movable relative to the first module (10), so that the mounting and dismounting efficiency can be improved.

Description

Battery systems and electrical equipment

Technical field

This application relates to the technical field of energy storage device fixation, and in particular to a battery system and electrical equipment.

Background technique

In an energy storage system, when multiple battery modules are stacked, a fixture is generally required to secure the stacked battery modules to reduce the risk of the battery modules shaking or even overturning. At present, the installation and disassembly of fixtures in traditional stacked structures are cumbersome and inefficient.

Contents of the invention

In view of the above situation, it is necessary to provide a battery system to improve the efficiency of fixing and disassembling the stacked structure.

Embodiments of the present application provide a battery system, including a first module, a second module and a first structural component. The second module set and the first module set are stacked along the first direction. The first structural component includes a first part and a second part, the first part is used for fixing with the first module, and the second part is used for fixing with the second module. The first structural component moves in a first direction and in a second direction opposite to the first direction, and the first structural component can move relative to the first module to connect or separate the second part from the second module. The above-mentioned battery system connects or separates the first module and the second module through a first structural component that is movable relative to the first module, thereby improving the efficiency of installation and disassembly.

In some embodiments of the present application, the first part and the second part are connected to each other.

In some embodiments of the present application, the first part is provided with a first through hole. Through the first through hole, the first structural component can move relative to the first module in the first direction and in the direction opposite to the first direction, so as to It can move in a first direction to be connected to the second module, and move in a direction opposite to the first direction to separate from the second module.

In some embodiments of the present application, the first module is provided with a first limiting member, and the first limiting member is partially provided in the first through hole for limiting the displacement of the first structural component relative to the first module.

In some embodiments of the present application, the first part is further provided with a second through hole. The second through hole is connected to the first through hole. When viewed along the first direction, the second through hole is located on one side of the first through hole.

In some embodiments of the present application, the second through hole is located between two ends of the first through hole along the first direction when viewed along a second direction perpendicular to the first direction.

In some embodiments of the present application, the second part includes a second connection part, and the second connection part is used to fixedly connect the second module.

In some embodiments of the present application, the second connection part is provided with a third through hole, the second module is provided with a second fixing hole, and the first structural component further includes a first fastener, and the first fastener partially passes through Passing through the third through hole and connecting to the second fixing hole, the first fastener fixedly connects the second connecting part and the second module.

In some embodiments of the present application, the first module includes a first housing, the first housing includes a first top wall and a first front wall connected to the first top wall, and along the first direction, the first top wall and The second module is disposed oppositely, and the first top wall extends and protrudes from the first front wall along a second direction perpendicular to the first direction. The portion of the first top wall extending beyond the first front wall is provided with a first hole, and the second connecting portion passes through the first hole.

In some embodiments of the present application, the portion of the first top wall extending beyond the first front wall is provided with a third hole; the second portion includes a first guide portion passing through the third hole.

In some embodiments of the present application, the second module includes a second housing, the second housing includes a second bottom wall and a second front wall connected to the second bottom wall, and along the first direction, the second bottom wall and The first module is arranged oppositely, the second bottom wall extends and protrudes from the second front wall along a second direction perpendicular to the first direction, and a second hole is provided in the portion of the second bottom wall that protrudes from the second front wall. The second connecting portion passes through the second hole.

In some embodiments of the present application, the portion of the second bottom wall extending beyond the second front wall is provided with a fourth hole; the second portion includes a first guide portion passing through the fourth hole.

In some embodiments of the present application, the end of the second connecting part away from the first part has a first guide surface. The first guide surface is arranged obliquely with respect to the first direction. The first guide surface can guide the second connecting part to penetrate into the first part. One hole guides the displacement of the first structural component relative to the first module, allowing a certain installation error and improving work efficiency.

In some embodiments of the present application, the first module is provided with a first fixing hole, and the first structural component further includes a second fastener. Along the second direction perpendicular to the first direction, when the projection of the second part is located at Within the projection of the first module, the second fastener can pass through the first part and connect to the first fixing hole, so that the first part is connected to the first module.

In some embodiments of the present application, the first part is provided with a fourth through hole, the first module is provided with a third fixing hole, and the first structural component further includes a third fastener; when the second part is connected to the second module When the third fastener part passes through the fourth through hole and connects to the third fixing hole, the first part is connected to the first module, and then the first module and the second module are connected and fixed.

In some embodiments of the present application, along the first direction, the first module includes a first top wall surface opposite to the second module, and the second module includes a second bottom wall surface opposite to the first module. One of the first top wall surface and the second bottom wall surface is provided with a first recess, the other of the first top wall surface and the second bottom wall surface is provided with a first protrusion, and the first protrusion is accommodated in the first recess. A concave part, the first convex part and the first concave part cooperate to guide the first module set and the second module set to be close to each other, which is beneficial to the stacking connection of the first module set and the second module set.

In some embodiments of the present application, along the first direction, the length of the first protrusion is less than the length of the second portion. During the assembly process, after the second connecting part cooperates with the second module and passes through the first hole, the first convex part and the first concave part cooperate to further guide the positions of the first module and the second module and lower the first module. Risk of positional shift of group and second module.

In some embodiments of the present application, along the first direction, the first module includes a first top wall surface opposite to the second module, and the second module includes a second bottom wall surface opposite to the first module. The first module is provided with a first connecting piece, the first connecting piece is provided on the first top wall surface, and the first connecting piece protrudes from the first top wall surface along the first direction. The second module is provided with a second connector, and the second connector is connected to the first connector so that the first module and the second module are electrically connected.

In some embodiments of the present application, the first module is further provided with a first sealing member, and the first sealing member is provided on the first top wall surface surrounding the first connecting member; along the first direction, the first sealing member resists Connected to the second bottom wall surface, the first sealing member is in a compressed state. The first sealing member can function as a waterproof seal and reduce the impact of water intrusion on the electrical connection between the first connecting member and the second connecting member.

In some embodiments of the present application, the first module includes a first shell, the first shell is formed with a first shell recess, and the first part is accommodated in the first shell recess; and/or, the second mold The set includes a second housing formed with a second housing recess, and the second portion is received in the second housing recess.

In some embodiments of the present application, the battery system further includes a first protective member and/or a second protective member. The first protective piece is at least partially disposed in the recessed portion of the first housing, and the first portion is disposed between the first protective piece and the first housing along a second direction perpendicular to the first direction. The first protective piece can play a protective role to protect the components located in the recessed portion of the first housing and reduce the risk of damage due to falling or impact of foreign objects. The second protective piece is at least partially disposed in the recess of the second housing, and the second portion is disposed between the second protective piece and the second housing along the second direction. The second protective piece can play a protective role to protect the components located in the recess of the second housing and reduce the risk of damage due to falling or impact of foreign objects.

In some embodiments of the present application, at least one of the first module and the second module includes a battery module.

In some embodiments of the present application, the battery system further includes a third module; there are at least two first structural components, and adjacent two of the first module, the second module and the third module are connected by The first structural components are fixedly connected.

In some embodiments of the present application, the first module set, the second module set and the third module set are stacked in sequence along the first direction. The battery system also includes a base module. The first module and the base module are stacked along the first direction and detachably connected.

An embodiment of the present application also provides an electrical device, including the battery system in any of the above embodiments.

To sum up, the above-mentioned battery system connects or separates the first module and the second module through the first structural component that is movable relative to the first module, which can improve the efficiency of installation and disassembly.

Description of the drawings

Figure 1 is a first view of a battery system in one embodiment of the present application.

Figure 2 is a second view of a battery system in one embodiment of the present application.

Figure 3 is an exploded schematic diagram of the first module in an embodiment of the present application.

Figure 4 is a first view of the first module in an embodiment of the present application.

Figure 5 is a second view of the first module in one embodiment of the present application.

Figure 6 is an exploded schematic diagram of the second module in an embodiment of the present application.

Figure 7 is a first view of the second module in one embodiment of the present application.

Figure 8 is a second view of the second module in one embodiment of the present application.

Figure 9 is a first view of the third module in an embodiment of the present application.

Figure 10 is a third view of a battery system in one embodiment of the present application.

FIG. 11 is a cross-sectional view along line XI-XI in FIG. 1 .

Figure 12 is a third view of the first module in one embodiment of the present application.

Figure 13 is a partial structural schematic diagram of the first structural component in an embodiment of the present application.

Figure 14 is a schematic structural diagram of the unconnected state between the first module and the first structural group in an embodiment of the present application.

Figure 15 is a first view of the connection state of the first module and the first structural group in an embodiment of the present application.

Figure 16 is a second view of the connection state of the first module and the first structural group in an embodiment of the present application.

Figure 17 is a third view of the connection state of the first module and the first structural group in an embodiment of the present application.

Figure 18 is a fourth view of the connection state of the first module and the first structural group in an embodiment of the present application.

Figure 19 is a fourth view of a battery system in one embodiment of the present application.

Figure 20 is a fifth view of a battery system in one embodiment of the present application.

Figure 21 is a sixth view of a battery system in one embodiment of the present application.

Figure 22 is a third view of the second module in one embodiment of the present application.

Figure 23 is a schematic structural diagram of the unconnected state between the second module and the first structural group in an embodiment of the present application.

Figure 24 is a first view of the connection state between the second module and the first structural group in an embodiment of the present application.

Figure 25 is a second view of the connection state between the second module and the first structural group in an embodiment of the present application.

Figure 26 is a third view of the connection state of the second module and the first structural group in an embodiment of the present application.

Figure 27 is a fourth view of the connection state between the second module and the first structural group in an embodiment of the present application.

Figure 28 is a seventh view of a battery system in one embodiment of the present application.

Figure 29 is an eighth view of a battery system in one embodiment of the present application.

Description of main component symbols

Battery system 100

The first module 10

First shell 11

The first chamber 110

First front wall 112

First back wall 113

First ceiling wall 114

First top wall surface 1141

The first hole 1142

The third hole 1143

First bottom wall 115

First bottom wall surface 1151

First left side wall 118

First right side wall 119

The first recess 116

First housing recess 117

The first battery component 12

First battery unit 121

The first limiting piece 13

The first connection part 131

The first limiting part 132

First fixing hole 14

The third fixing hole 15

The first connecting piece 16

The third connecting piece 17

First seal 18

Number one in command 19

The second module 20

Second housing 21

Second chamber 210

Second side wall 211

Second front wall 212

The second limiting piece 2121

The third connection part 21211

The third limit part 21212

Fourth fixing hole 2122

Fifth fixing hole 2123

Second back wall 213

Second ceiling wall 214

Second top wall surface 2141

The second concave portion 2142

The fifth hole 2143

The sixth hole 2144

Second bottom wall 215

Second bottom wall surface 2151

Second hole 2152

The fourth hole 2153

Second left side wall 218

Second right side wall 219

The first convex part 216

Second housing recess 217

Second battery assembly 22

Second battery unit 221

Second fixing hole 23

Second connector 24

The fourth connector 25

Second seal 26

Second in command 27

Second structural member 28

First structural component 30

The first structural member 31

Part 1 311

First through hole 3111

Second through hole 3112

The fourth through hole 3113

Extension 3114

Connected areas 3115

Part 2 312

The second connection part 3121

Third through hole 31211

First guide surface 31212

First Orientation Department 3122

First fastener 32

Second fastener 33

Third fastener 34

The third module 40

The third shell 41

The third bottom wall 411

Third bottom wall surface 4111

The second convex part 4112

The seventh hole 4113

The eighth hole 4114

The third top wall 412

Third front wall 413

Third back wall 414

Third left wall 415

Third right wall 416

Third structural member 418

Third housing recess 42

The fifth connector 43

The first protective piece 51

Second protective piece 52

The third protective piece 53

Base module 60

The connection between the first connecting piece and the second connecting piece 71

The connection between the fourth connector and the fifth connector 72

First Direction Z

Second Direction

Third direction Y

The following specific embodiments will further describe the present application in conjunction with the above-mentioned drawings.

Detailed ways

The technical solutions in the embodiments of the present application will be described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only some, not all, of the embodiments of the present application.

It should be noted that when an element is said to be "connected" to another element, it can be directly connected to the other element or there may be an intervening element present at the same time. When an element is said to be "disposed on" another element, it can be placed directly on the other element or there may also be an intervening element present.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing specific embodiments only and is not intended to limit the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. The orientation terms "top, bottom, front, back, left, and right" used herein are only used to explain relative positional relationships and are not intended to limit the present application.

Embodiments of the present application provide a battery system, including a first module, a second module and a first structural component. The second module set and the first module set are stacked along the first direction. The first structural component includes a first part and a second part, the first part is used for fixing with the first module, and the second part is used for fixing with the second module. The first structural component moves in a first direction and in a second direction opposite to the first direction, and the first structural component can move relative to the first module to connect or separate the second part from the second module.

The above-mentioned battery system connects or separates the first module and the second module through a first structural component that is movable relative to the first module, thereby improving the efficiency of installation and disassembly.

The embodiments of the present application will be further described below in conjunction with the accompanying drawings.

As shown in Figures 1 and 2, an embodiment of the present application provides a battery system 100. The battery system 100 includes a first module 10, a second module 20 and a first structural component 30. The second module 20 is The first direction Z is stacked on the first module 10 , and the first structural component 30 connects the first module 10 and the second module 20 . The first structural component 30 includes a first structural member 31. The first structural member 31 includes a first part 311 and a second part 312. The first part 311 is fixedly connected to the first module 10, and the second part 312 is fixed to the second module 20. connect. The first structural member 31 can move relative to the first module 10 , and the first structural member 31 can move in the first direction Z or in the opposite direction to the first direction Z, so that the second part 312 is connected to the second module 20 or separation.

In one embodiment, the first portion 311 and the second portion 312 are connected to each other.

In one embodiment, the first part 311 and the second part 312 are an integrally formed structure, for example, made by any process of casting, injection molding or stamping.

In one embodiment, the first part 311 and the second part 312 are separate structures. Optionally, the first part 311 and the second part 312 are detachably connected by fasteners, such as screws. Optionally, the first part 311 and the second part 312 are connected by snap fit. Optionally, the first part 311 and the second part 312 are connected by welding or adhesive.

In one embodiment, the battery system 100 further includes a third module 40 , and there are at least two first structural components 30 , wherein adjacent ones of the first module 10 , the second module 20 and the third module 40 The two are fixedly connected through a first structural component 30 . Optionally, the first module 10 , the second module 20 and the third module 40 are stacked in sequence along the first direction Z, with a first structural component 30 passing between the first module 10 and the second module 20 Fixed connection: the second module 20 and the third module 40 are fixedly connected through another first structural component 30 . The first structural component 30 connecting the second module 20 and the third module 40 is connected to the second module 20 through the first part 311 of the first structural member 31, and the second part 312 is connected to the third module 40, so that the second module is connected to the third module 40. The group 20 and the third module 40 are connected and fixed.

As an example, further description will be given below taking the second module 20 being disposed between the first module 10 and the third module 40 as an example.

In one embodiment, at least one of the first module 10 , the second module 20 and the third module 40 includes a battery module, and at least one includes a control module.

In one embodiment, the first module 10 includes a battery module, the second module 20 includes a battery module, and the third module 40 includes a control module. The first module 10, the second module 20, and the third module 40 include a control module. The modules 40 are electrically connected to each other. The third module 40 can be used to control charging and discharging of the first module 10 and the second module 20 . Optionally, the third module 40 includes a battery management system.

As shown in Figures 3, 4 and 5, in one embodiment, the first module 10 includes a first housing 11, a first battery component 12, a first connector 16 and a third connector 17. The first The battery component 12 is disposed in the first housing 11 . The first connector 16 is electrically connected to the first battery component 12 and extends out of the first housing 11 . The third connector 17 is electrically connected to the first battery component 12 . Optionally, the first connection member 16 includes a connector. Optionally, the third connection member 17 includes a connector.

In one embodiment, the first battery assembly 12 includes a plurality of first battery units 121, and the plurality of first battery units 121 are electrically connected together in series and/or in parallel.

In one embodiment, the first housing 11 includes a first front wall 112, a first rear wall 113, a first top wall 114, a first bottom wall 115, a first left side wall 118 and a first right side wall 119, The first top wall 114 and the first bottom wall 115 are arranged oppositely along the first direction Z, the first front wall 112 and the first rear wall 113 are arranged oppositely along the second direction X perpendicular to the first direction Z, and the first left side wall 118 and the first right side wall 119 are arranged oppositely along the third direction Y perpendicular to the first direction Z and the second direction X. The first front wall 112, the first rear wall 113, the first top wall 114, and the first bottom wall 115. The first left side wall 118 and the first right side wall 119 form a first cavity 110 , and the first battery assembly 12 is disposed in the first cavity 110 .

In one embodiment, the first connector 16 is provided on the first top wall 114 , the first top wall 114 has a first top wall surface 1141 , and along the first direction Z, the first top wall surface 1141 is away from the first battery component 12 . Optionally, along the first direction Z, the first connecting member 16 protrudes from the first top wall surface 1141 .

In one embodiment, the third connector 17 is provided on the first bottom wall 115 , the first bottom wall 115 has a first bottom wall surface 1151 , and along the first direction Z, the first bottom wall surface 1151 is away from the first battery component 12 . Optionally, along the first direction Z, the third connecting member 17 is recessed in the first bottom wall surface 1151 .

In one embodiment, the first module 10 further includes two first handle parts 19. One of the two first handle parts 19 is provided on the first front wall 112 and the other is provided on the first rear wall 113. The first handle part 19 19 can be grasped to carry the first module 10 . Optionally, the first handle portion 19 is recessedly formed on the first front wall 112 and the first rear wall 113 .

As shown in Figures 6, 7 and 8, in one embodiment, the second module 20 includes a second housing 21, a second battery assembly 22, a second connector 24 and a fourth connector 25. The battery component 22 is disposed in the second housing 21 . The second connector 24 is electrically connected to the second battery component 22 and extends out of the second housing 21 . The fourth connector 25 is electrically connected to the second battery component 22 . Optionally, the second connection member 24 includes a connector. Optionally, the fourth connection member 25 includes a connector.

In one embodiment, the second battery assembly 22 includes a plurality of second battery units 221, and the plurality of second battery units 221 are electrically connected together in series and/or in parallel.

In one embodiment, the second housing 21 includes a second front wall 212, a second rear wall 213, a second top wall 214, a second bottom wall 215, a second left side wall 218 and a second right side wall 219, The second top wall 214 and the second bottom wall 215 are oppositely arranged along the first direction Z, the second front wall 212 and the second rear wall 213 are oppositely arranged along the second direction X, the second left side wall 218 and the second right side wall 219 are arranged oppositely along the third direction Y, and the second front wall 212, the second rear wall 213, the second top wall 214, the second bottom wall 215, the second left side wall 218 and the second right side wall 219 surround and form a third Second cavity 210, the second battery component 22 is disposed in the second cavity 210.

In one embodiment, the second connector 24 is provided on the second bottom wall 215 , the second bottom wall 215 has a second bottom wall surface 2151 , and along the first direction Z, the second bottom wall surface 2151 is away from the second battery component 22 . Optionally, along the first direction Z, the second connecting member 24 is recessed in the second bottom wall surface 2151.

In one embodiment, the fourth connecting member 25 is provided on the second top wall 214. The second top wall 214 has a second top wall surface 2141. Along the first direction Z, the second top wall surface 2141 is away from the second battery component 22. . Optionally, along the first direction Z, the fourth connecting member 25 protrudes from the second top wall surface 2141.

In one embodiment, the second module 20 further includes two second handle portions 27, one of the two second handle portions 27 is provided on the second front wall 212, and the other is provided on the second rear wall 213. The second handle 27 can be grasped to carry the second module 20 . Optionally, the second handle portion 27 is recessedly formed on the second front wall 212 and the second rear wall 213 .

As shown in FIG. 9 , in one embodiment, the third module 40 includes a third housing 41 and a fifth connector 43 . The third housing 41 includes a third bottom wall 411, a third top wall 412, a third front wall 413, a third rear wall 414, a third left side wall 415 and a third right side wall 416. The third top wall 412 and The third bottom wall 411 is oppositely arranged along the first direction Z, the third front wall 413 and the third rear wall 414 are oppositely arranged along the second direction X, and the third left side wall 415 and the third right side wall 416 are arranged oppositely along the third direction Y. Relative settings.

The fifth connecting member 43 is provided on the third bottom wall 411 . The third bottom wall 411 has a third bottom wall surface 4111 , and along the first direction Z, the third bottom wall surface 4111 is away from the inside of the third housing 41 . Optionally, along the first direction Z, the fifth connecting member 43 is recessed in the third bottom wall surface 4111.

Please combine Figure 4, Figure 8 and Figure 10. When assembling the second module 20 and the first module 10, the second module 20 approaches the first module 10 in the direction opposite to the first direction Z. The wall 114 and the second bottom wall 215 are opposite and close to each other, the first top wall surface 1141 and the second bottom wall surface 2151 are opposite and close to each other, the first connecting member 16 and the second connecting member 24 are opposite and close to each other, until the first The connector 16 and the second connector 24 are plugged together and the first top wall 114 and the second bottom wall 215 are abutted together. The first module 10 and the second module 20 are stacked and electrically connected.

In one embodiment, one of the first top wall 114 and the second bottom wall 215 is provided with a first recess 116 , and the other is provided with a first protrusion 216 . When the second module 20 is stacked on the first module 10 , the first convex part 216 is provided in the first concave part 116 . When the first top wall 114 and the second bottom wall 215 approach each other in the direction opposite to the first direction Z, the first convex portion 216 and the first concave portion 116 cooperate to guide the first module 10 and the second module 20 Being close to each other facilitates the stacked connection of the first module 10 and the second module 20 . Optionally, the first top wall 114 is provided with a first recess 116 , and the second bottom wall 215 is provided with a first protrusion 216 . Optionally, the second bottom wall 215 is provided with a first concave portion 116 , and the first top wall 114 is provided with a first convex portion 216 .

In one embodiment, the first top wall 114 is provided with four first recesses 116. The four first recesses 116 are respectively located at four corners of the first top wall surface 1141. Optionally, the four first recesses 116 are arranged in sequence. Connected lines form a rectangle. In one embodiment, the second bottom wall 215 is provided with four first protrusions 216. The four first protrusions 216 are respectively located at four corners of the second bottom wall surface 2151. When the first module 10 and the second When the modules 20 are stacked together, the positions of the four first protrusions 216 correspond to the positions of the four first concave parts 116 .

In one embodiment, along the second direction X, the projection of the second connecting member 24 is located inside the second housing 21 . When the first top wall surface 1141 and the second bottom wall surface 2151 are close to each other, the first connecting member 16 protrudes from the first top wall surface 1141 and the second connecting member 24 is recessed from the second bottom wall surface 2151, allowing The larger flatness tolerance reduces the impact of the flatness tolerance of the first top wall surface 1141 and the second bottom wall surface 2151 on the insertion accuracy of the first connector 16 and the second connector 24 .

Please combine FIG. 4 , FIG. 8 and FIG. 11 . In one embodiment, when viewed along the first direction Z, the first connecting member 16 is located in the area surrounding the four first recesses 116 . Along the second direction

In one embodiment, viewed along the first direction Z, the second connecting member 24 is located in the area surrounded by the four first protrusions 216 . Along the second direction

When the first module 10 and the second module 20 are assembled, the second module 20 is stacked on the first module 10 along the first direction Z, and the first connector 16 and the second connector 24 are plugged in. Along the first direction Z, the projections of the first connecting member 16 and the second connecting member 24 are located in the area surrounded by the four first recesses 116 , and the projections of the first connecting member 16 and the second connecting member 24 are located in the four first recesses 116 . The area surrounding the convex portion 216 can reduce the interaction force between the first connecting member 16 and the second connecting member 24 when the module shakes, and reduce the impact of the shaking on the first connecting member 16 and the second connecting member 24. The service life of the first connecting member 16 and the second connecting member 24 is extended.

As shown in FIGS. 10 and 11 , when the first top wall 114 and the second bottom wall 215 are close to each other in the direction opposite to the first direction Z, the first connecting member 16 and the second connecting member 24 are opposite and close to each other. When the first module 10 and the second module 20 are stacked together, the first connector 16 is plugged into the second connector 24 to electrically connect the first module 10 and the second module 20 together. The connection point 71 of the first connecting member 16 and the second connecting member 24 is higher than the first top wall surface 1141, which can reduce water from entering the first connecting member through the gap between the first top wall surface 1141 and the second bottom wall surface 2151. 16 and the second connector 24 are electrically connected. In this application, the connection point 71 between the first connector 16 and the second connector 24 refers to the overlapping portion of the first connector 16 and the second connector 24 after they are plugged into each other; for example, the first connector 16 is inserted into the second connector 24 . Two connectors 24, the connection point 71 between the first connector 16 and the second connector 24 refers to the part where the first connector 16 is inserted into the second connector 24.

In one embodiment, one of the first connecting member 16 and the second connecting member 24 is a male plug and the other is a female socket. Optionally, the first connector 16 is a male plug, and the second connector 24 is a female socket.

In one embodiment, the first module 10 further includes a first sealing member 18 disposed on the first top wall surface 1141 and surrounding the first connecting member 16 . When the first module 10 and the second module 20 are stacked together, the first sealing member 18 abuts against the second bottom wall surface 2151, which can play a sealing and waterproof role and reduce the number of connections between the first connecting member 16 and the second connecting member 16. The electrical connections between parts 24 are affected by water intrusion. Optionally, along the first direction Z, the projection of the first sealing member 18 forms a closed annular area, and the projections of the first connecting member 16 and the second connecting member 24 are located in the annular area, which can further seal and protect the first connection. 16 and the second connecting piece 24. In one embodiment, along the first direction Z, the first sealing member 18 is in a compressed state, which can improve the sealing performance of the first sealing member 18 .

In one embodiment, the first seal 18 includes a sealing ring.

In one embodiment, the material of the first seal 18 includes, but is not limited to, one of butadiene rubber, ethylene propylene diene rubber, fluororubber, silicone, fluorosilicone rubber, nylon, and polyurethane.

Please combine Figure 7, Figure 9 and Figure 11. In one embodiment, one of the second top wall 214 and the third bottom wall 411 is provided with a second recess 2142, and the other is provided with a second protrusion 4112. The convex part 4112 is provided in the second concave part 2142. When the second top wall 214 and the third bottom wall 411 approach each other along the first direction Z, the second convex portion 4112 and the second concave portion 2142 cooperate to guide the second module 20 and the third module 40 to approach each other, so that It is convenient for the second module 20 and the third module 40 to be stacked and connected. Optionally, the second top wall 214 is provided with a second concave portion 2142, and the third bottom wall 411 is provided with a second convex portion 4112.

In one embodiment, the second top wall 214 is provided with four second recesses 2142, and the four second recesses 2142 are respectively located at four corners of the second top wall 214. Optionally, the four second recesses 2142 are arranged in sequence. Connected lines form a rectangle. In one embodiment, the third bottom wall 411 is provided with four second protrusions 4112, and the four second protrusions 4112 are respectively located at four corners of the third bottom wall 411. When the third module 40 and the second When the modules 20 are stacked together, the positions of the four second protrusions 4112 correspond to the positions of the four second recesses 2142 .

In one embodiment, viewed along the first direction Z, the fourth connecting member 25 is located in the area surrounded by the four second recesses 2142 . Along the second direction

In one embodiment, viewed along the first direction Z, the fifth connecting member 43 is located in the area surrounded by the four second protrusions 4112 .

When the third module 40 and the second module 20 are assembled, the third module 40 is stacked on the second module 20 along the first direction Z, and the fourth connector 25 and the fifth connector 43 are plugged in and electrically connected. , so that the third module 40 and the second module 20 are electrically connected.

In one embodiment, the fourth connecting member 25 protrudes from the second top wall surface 2141 and the fifth connecting member 43 is recessed from the third bottom wall surface 4111. When the fourth connecting member 25 is plugged into the fifth connecting member 43 When the connection point 72 of the fourth connecting member 25 and the fifth connecting member 43 is higher than the second top wall surface 2141, water can be reduced from entering the fifth connecting member through the gap between the third bottom wall 411 and the second top wall 214. 43 and the fourth connector 25 are electrically connected. In this application, the connection point 72 between the fourth connector 25 and the fifth connector 43 refers to the overlapping portion of the fourth connector 25 and the fifth connector 43 after they are plugged into each other; for example, the fourth connector 25 is inserted into the If there are five connecting parts 43, the connection point 72 between the fourth connecting part 25 and the fifth connecting part 43 refers to the part where the fourth connecting part 25 is inserted into the fifth connecting part 43.

In one embodiment, the second module 20 further includes a second sealing member 26 disposed on the second top wall 214 and surrounding the fourth connecting member 25 . When the third module 40 is stacked on the second module 20, the second sealing member 26 abuts against the third bottom wall 411, which can play a sealing and waterproof role and reduce the number of the fourth connecting member 25 and the fifth connecting member 43. The electrical connections between are affected by water intrusion.

Optionally, along the first direction Z, the projection of the second sealing member 26 forms a closed annular area, and the projections of the fourth connecting member 25 and the fifth connecting member 43 are located in this annular area, which can further seal and protect the fourth connection. 25 and the fifth connecting piece 43.

In one embodiment, along the first direction Z, the second sealing member 26 is in a compressed state, which can improve the sealing performance of the second sealing member 26 .

In one embodiment, the second seal 26 includes a sealing ring.

In one embodiment, the material of the second sealing member 26 includes, but is not limited to, one of butadiene rubber, ethylene propylene diene rubber, fluororubber, silicone, fluorosilicone rubber, nylon, and polyurethane.

Along the first direction Z, the projections of the fourth connecting member 25 and the fifth connecting member 43 are located in the area surrounded by the four second recesses 2142 , and the projections of the fourth connecting member 25 and the fifth connecting member 43 are located in the four second recesses 2142 . The area surrounding the two protrusions 4112 can reduce the interaction force between the fourth connector 25 and the fifth connector 43 when the module shakes, and reduce the impact of the shaking on the fourth connector 25 and the fifth connector 43 , extending the service life of the fourth connecting member 25 and the fifth connecting member 43.

As shown in FIGS. 12 , 13 and 14 , in one embodiment, the first part 311 is provided with a first through hole 3111 . Optionally, the first through hole 3111 extends along the first direction Z. The first module 10 is provided with a first limiting member 13. The first limiting member 13 can partially pass through the first through hole 3111. The first limiting member 13 can cooperate with the first through hole 3111, so that the first structural member 31 can move relative to the first module 10 through the first through hole 3111 , and the first limiting member 13 can also limit the displacement of the first structural member 31 relative to the first module 10 . In one embodiment, with the cooperation of the first limiting member 13 and the first through hole 3111, the first structural member 31 can be guided to move along the first direction Z, and the first structural member 31 can be raised relative to the first module 10 Movement accuracy and stability.

In one embodiment, the first limiting member 13 is provided on the first front wall 112 .

In one embodiment, the first limiting part 13 includes a first connecting part 131 and a first limiting part 132. The first connecting part 131 connects the first limiting part 132 and the first front wall 112. The first limiting part 132 is spaced apart from the first front wall 112 along the second direction X. Along the second direction X, the projection of the first connecting part 131 is located within the projection of the first limiting part 132 .

In one embodiment, the first part 311 is also provided with a second through hole 3112, and the second through hole 3112 communicates with the first through hole 3111. The second through hole 3112 is located on one side of the first through hole 3111 along the third direction Y. Viewed along the first direction Z, the second through hole 3112 is located on one side of the first through hole 3111 along the third direction Y.

In one embodiment, viewed along the second direction X, the second through hole 3112 is located between two ends of the first through hole 3111 along the first direction Z. Compared with the second through hole 3112, the upper end of the first through hole 3111 is closer to the first top wall 114. In this application, the upper end of the first through hole 3111 refers to the end of the first through hole 3111 close to the second module 20 along the first direction Z.

The size of the second through hole 3112 can allow the first limiting member 13 to partially pass through. Optionally, the size of the second through hole 3112 can allow the first limiting part 132 to pass through. When the first limiting part 132 passes through the second through hole 3112 and the first connecting part 131 is partially located in the second through hole 3112, the position of the first part 311 relative to the first module 10 can be changed, and the first limiting part 132 can be The portion 132 moves between the first through hole 3111 and the second through hole 3112 and moves within the first through hole 3111.

In one embodiment, the number of first limiting members 13 is the same as the number of first through holes 3111 . In one embodiment, the first part 311 is provided with two first through holes 3111 , and the first module 10 is provided with two first limiting members 13 . Optionally, the two first through holes 3111 are spaced apart along the third direction Y, and the two first limiting members 13 are spaced apart along the third direction Y. In other embodiments, the number of the first through holes 3111 and the first limiting members 13 may also be three, four or more.

In one embodiment, the number of second through holes 3112 on the first structural member 31 is equal to the number of first through holes 3111 .

As shown in Figures 14 and 15, the first part 311 is moved in the direction opposite to the second direction The connecting portion 131 is partially located in the second through hole 3112.

As shown in Figures 15 and 16, when the first limiting part 132 passes through the second through hole 3112 and the first connecting part 131 is partially located in the second through hole 3112, the first part 311 can be moved along the third direction Y. Let the first connecting part 131 enter the first through hole 3111.

In one embodiment, along the third direction Y, the width of the first limiting portion 132 is greater than the width of the first through hole 3111. Viewed along the second direction Outside the projection of hole 3111. When the first connecting portion 131 is partially located in the first through hole 3111, the first limiting portion 132 can restrict the first structural member 31 from moving away from the first front wall 112 along the second direction X.

Please combine Figure 13, Figure 15 and Figure 16. The first through hole 3111 has a communication area 3115, and the communication area 3115 communicates with the second through hole 3112 along the third direction Y. When the first connecting part 131 is located in the communication area 3115, moving the first part 311 along the third direction Y allows the first connecting part 131 to enter the second through hole 3112.

When the first connecting portion 131 is partially located in the second through hole 3112, the first portion 311 is moved along the second direction X to move the first portion 311 away from the first front wall 112, so that the first portion 311 can be separated from the first front wall 112.

Please combine Figure 13, Figure 16 and Figure 17. There is a certain distance between the upper end of the first through hole 3111 along the first direction Z and the connecting area 3115. When the first connecting part 131 is between the connecting area 3115 and the second through hole When moving between 3112 , the first connecting portion 131 is separated from the upper end of the first through hole 3111 , which can reduce the influence of the upper end of the first through hole 3111 on the movement of the first limiting member 13 .

When the first connecting portion 131 is in contact with the upper end of the first through hole 3111 , the first through hole 3111 is cooperatively connected with the first connecting portion 131 , so that the first structural member 31 can be disposed on the first module 10 .

Please combine FIG. 12 , FIG. 13 and FIG. 17 . In one embodiment, the first module 10 is provided with a first fixing hole 14 , and the first fixing hole 14 is provided on the first front wall 112 . The first structural component 30 also includes a second fastener 33. Optionally, the second fastener 33 is provided on the first part 311. Along the second direction

When the first connecting portion 131 passes through the first through hole 3111 and the first structural member 31 moves away from the first top wall 114 in the first direction Z, the second fastener 33 can butt with the first fixing hole 14 . When the second fastener 33 is butted with the first fixing hole 14, adjusting the second fastener 33 can make the second fastener 33 fixedly connected to the first fixing hole 14, so that the first structural member 31 can be fixedly connected to the first fixing hole 14. Mod 10. At this time, along the second direction Connected to the first module 10 , the first module 10 is not stacked, connected and fixed with the second module 20 .

In one embodiment, the numbers of the first fixing holes 14 and the second fasteners 33 are corresponding. In one embodiment, the first module 10 is provided with a first fixing hole 14 , and the first structural component 30 includes a second fastener 33 .

Optionally, the first fixing hole 14 has internal threads. Optionally, the second fastener 33 is a captive screw.

In other embodiments, the second fastener 33 can also be separated from the first part 311, in which case the second fastener 33 can be an ordinary screw.

Optionally, when the second fastener 33 is connected to the first fixing hole 14, the first connecting portion 131 of the first limiting member 13 abuts the upper end of the first through hole 3111, so that when the first limiting member 13 13 By abutting the upper end of the first through hole 3111 to support the first structural member 31, the second fastener 33 butts with the first fixing hole 14, which can reduce the time required to butt the second fastener 33 and the first fixing hole 14. time and improve work efficiency.

Please combine FIG. 12, FIG. 13 and FIG. 18. In one embodiment, the first structural member 31 also includes a second connecting part 3121. The second connecting part 3121 is provided on the second part 312 extending along the first direction Z. When When the second module 20 is stacked on the first module 10 , the second connecting portion 3121 is used to connect the second module 20 .

In one embodiment, the second connecting part 3121 and the first part 311 are an integrally formed structure.

When the second connecting portion 3121 is connected to the second module 20, the second connecting portion 3121 protrudes from the first top wall surface 1141 along the first direction Z. In one embodiment, along the first direction Z, the length of the first protrusion 216 is less than the length of the second portion 312 protruding from the first top wall surface 1141 , and the length of the first protrusion 216 is less than the second connecting portion 3121 The length extending beyond the first top wall surface 1141 . During the assembly process, after the second connecting part 3121 cooperates with the second module 20, the first convex part 216 and the first concave part 116 cooperate to further guide the positions of the first module 10 and the second module 20, and lower the first module 10 and the second module 20. Risk of positional deviation of the module 10 and the second module 20 .

In one embodiment, the first structural member 31 is also provided with a fourth through hole 3113, which penetrates the first part 311. The first module 10 is also provided with a third fixing hole 15, and the third fixing hole 15 is provided with On the first front wall 112 , the first structural component 30 further includes a third fastener 34 . When the first connecting portion 131 passes through the first through hole 3111 and the first structural member 31 moves close to the first top wall 114 along the first direction Z, the fourth through hole 3113 can be butted with the third fixing hole 15. At this time , by partially passing the third fastener 34 through the fourth through hole 3113 and connecting to the third fixing hole 15 , the first structural member 31 can be fixedly connected to the first module 10 . At this time, along the first direction Z, the second connecting portion 3121 partially protrudes from the first top wall surface 1141 , and the second connecting portion 3121 can be used to connect the second module 20 .

In one embodiment, the numbers of the fourth through holes 3113 , the third fixing holes 15 and the third fasteners 34 correspond to each other. In one embodiment, the first structural member 31 is provided with two fourth through holes 3113 , the two fourth through holes 3113 are spaced apart along the third direction Y, and the first module 10 is provided with two third fixing holes 15 , two third fixing holes 15 are spaced apart along the third direction Y, and the first structural component 30 includes two third fasteners 34 .

Optionally, the third fixing hole 15 has internal threads. Optionally, the third fastener 34 is a screw.

In one embodiment, the first top wall 114 extends and protrudes from the first front wall 112. When the first limiting member 13 is connected to the first through hole 3111, along the first direction Z, the projection of the first structural member 31 Located within the projection of the first top wall 114 . The first top wall 114 extends beyond the first front wall 112 and is provided with a first hole 1142. When the first limiting member 13 is partially penetrated through the first through hole 3111, the first structural member 31 moves along the first direction Z. When moving close to the first top wall 114 , the second connecting portion 3121 can pass through the first hole 1142 and protrude from the first top wall surface 1141 . Optionally, the second connecting part 3121 is a sheet metal structure, and the first hole 1142 is square in shape. In one embodiment, the first top wall 114 extends along the second direction X and protrudes from the first front wall 112 .

In one embodiment, the portion of the first top wall 114 protruding from the first front wall 112 can be connected and matched with the second portion 312 to serve as a guide or support.

In one embodiment, the first top wall 114 does not protrude from the first front wall 112 (not shown). When the first limiting member 13 is connected to the first through hole 3111, along the first direction Z, the first The projection of the structural member 31 is separated from the projection of the first top wall 114 .

As an example, further description will be provided below by taking the first top wall 114 extending along the second direction X and protruding from the first front wall 112 as an example.

In one embodiment, the first structural member 31 includes two second connecting portions 3121 spaced apart along the third direction Y. The first top wall 114 has two first holes 1142, two The first holes 1142 are spaced apart along the third direction Y.

In one embodiment, the end of the second connecting portion 3121 away from the first portion 311 has a first guide surface 31212, and the first guide surface 31212 is inclined relative to the first direction Z. The first guide surface 31212 is in contact with the first hole 1142, and can guide the second connecting part 3121 to penetrate the first hole 1142, guide the displacement of the first structural member 31 relative to the first module 10, and allow a certain installation error. Improve work efficiency. Optionally, the end of the second connecting portion 3121 away from the first part 311 is a bent structure, and the side of the bent structure away from the first part 311 forms the first guide surface 31212.

In one embodiment, the portion of the first top wall 114 extending along the second direction The guide portion 3122 is provided on the second portion 312 extending along the first direction Z. When the first limiting member 13 is partially penetrated through the first through hole 3111 and the first structural member 31 moves close to the first top wall 114 along the first direction Z, the first guide portion 3122 can partially pass through the third hole 1143 and protruding from the first top wall surface 1141. The first guide portion 3122 and the third hole 1143 cooperate to guide the displacement of the first structural member 31 relative to the first module 10, allowing a certain installation error and improving work efficiency.

In one embodiment, the first structural member 31 includes a first guide portion 3122, and the first top wall 114 is provided with a third hole 1143. In other embodiments, the number of the first guide portions 3122 may also be two, three or more, and the number of the third holes 1143 may also be two, three or more.

Optionally, the first guide part 3122 has a cylindrical structure, the third hole 1143 has a circular shape, and the inner diameter of the third hole 1143 corresponds to the outer diameter of the first guide part 3122. When the first guide portion 3122 cooperates with the third hole 1143, the accuracy and stability of the movement of the first structural member 31 relative to the first module 10 can be improved, and the first structural member 31 can be restricted to move along the second direction relative to the first module 10. Displacement in direction X and third direction Y.

Optionally, the end of the first guide part 3122 away from the first part 311 has a chamfer, and the chamfer contacts the third hole 1143 to guide the first guide part 3122 into the third hole 1143, which can improve the installation of the first structural member 31 the allowable error.

In one embodiment, the first guide part 3122 is connected to the second part 312 by welding. The first guide part 3122 is processed as a separate part and then connected to the first structural member 31, which can save processing and manufacturing costs. In other embodiments, the first guide portion 3122 can also be integrally formed with the second portion 312 .

In one embodiment, the first structural member 31 is also provided with an extension portion 3114. The extension portion 3114 is provided on the first portion 311 extending along the second direction X. The extension direction of the extension portion 3114 is away from the first module 10. The extension portion 3114 It can be used for operators to clamp or push to move the first structural member 31 along the first direction Z. Optionally, the extension part 3114 is provided at the end of the first part 311 away from the second part 312 . In one embodiment, the extension portion 3114 and the first portion 311 are integrally formed.

As shown in FIGS. 19 , 20 and 21 , in one embodiment, the second bottom wall 215 extends beyond the second front wall 212 , and the second bottom wall 215 extends beyond a portion of the second front wall 212 . There is a second hole 2152, which can butt with the first hole 1142. The second hole 2152 corresponds to the second connecting portion 3121, and the second connecting portion 3121 can partially pass through the second hole 2152. In one embodiment, the number of the second holes 2152 is equal to the number of the second connecting portions 3121 . In some embodiments, the second bottom wall 215 extends along the second direction X and protrudes from the second front wall 212 .

Optionally, the second hole 2152 has the same shape and size as the first hole 1142 .

In one embodiment, the portion of the second bottom wall 215 extending beyond the second front wall 212 is also provided with a fourth hole 2153. The fourth hole 2153 can be connected with the third hole 1143, and the fourth hole 2153 corresponds to the first hole 2153. Guide portion 3122, the first guide portion 3122 can partially pass through the fourth hole 2153. In one embodiment, the number of the fourth holes 2153 is equal to the number of the first guide portions 3122 .

In one embodiment, when the second module 20 is stacked on the first module 10 along the first direction Z, the first guide part 3122 is close to the fourth hole 2153, and the chamfered end of the first guide part 3122 is in contact with the fourth hole 2153. The two holes 2152 can guide the first guide portion 3122 to penetrate the fourth hole 2153, and then guide the relative displacement of the second module 20 and the first module 10, allowing a certain docking error and improving stacking efficiency.

Optionally, the fourth hole 2153 has the same shape and size as the third hole 1143.

In one embodiment, the second module 20 is provided with a second fixing hole 23 , the second fixing hole 23 is provided on the second front wall 212 , the second connecting portion 3121 is provided with a third through hole 31211 , and the first structural component 30 A first fastener 32 is also included. When the second connecting portion 3121 partially passes through the second hole 2152, the third through hole 31211 can be docked with the second fixing hole 23. At this time, the first fastener 32 can partially pass through the third through hole 31211 and connect the third through hole 31211. The two fixing holes 23 allow the second connecting portion 3121 to be fixedly connected to the second module 20 . Moreover, at this time, the two third fasteners 34 fixedly connect the first part 311 to the first module 10, so that the first module 10 and the second module 20 are fixedly connected together.

In one embodiment, the second module 20 is provided with two second fixing holes 23. The two second fixing holes 23 are spaced apart along the third direction Y. The two second fixing holes 23 respectively correspond to the two second fixing holes 23. Two third through holes 31211 on the connecting part 3121.

Optionally, the second fixing hole 23 has internal threads, and the first fastener 32 is a screw.

In one embodiment, the second module 20 further includes a second structural member 28 , the second structural member 28 is provided on the second front wall 212 , and the second fixing hole 23 is provided on the second structural member 28 . Providing the second fixing hole 23 on the second structural member 28 and then connecting the second structural member 28 to the second front wall 212 can reduce the processing difficulty and save processing and manufacturing costs.

In one embodiment, the present application stacks the second module 20 on the first module 10 and then moves the first structural member 31 along the first direction Z to connect and fix the second part 312 of the first structural member 31 The second module 20 and the first part 311 are connected and fixed to the first module 10, and then the second module 20 and the first module 10 are fixedly connected together. The installation and disassembly are relatively convenient and quick, which can improve work efficiency.

In one embodiment, the present application fixes the first structural member 31 to the first module 10 and the second part 312 protrudes from the first top wall surface 1141 of the first module 10, and then attaches the second module 31 to the first module 10. 20 is stacked on the first module 10, so that the second part 312 is connected and fixed to the second module 20, and the first part 311 is connected and fixed to the first module 10, and then the second module 20 and the first module 10 are fixedly connected at At the same time, installation and disassembly are more convenient and faster, which can improve work efficiency.

Please combine Figure 13, Figure 22 and Figure 23. In one embodiment, the second module 20 is provided with a second limiting member 2121. The second limiting member 2121 can partially pass through the first through hole 3111. The positioning member 2121 can cooperate with the first through hole 3111 so that the first structural member 31 can move relative to the second module 20 through the first through hole 3111. The second limiting member 2121 can also limit the first structural member 31 relative to the second module 20. Displacement of module 20. In one embodiment, with the cooperation of the second limiting member 2121 and the first through hole 3111, the first structural member 31 can be guided to move along the first direction Z, and the first structural member 31 can be raised relative to the second module 20 Movement accuracy and stability.

In one embodiment, the second limiting member 2121 is provided on the second front wall 212 .

In one embodiment, the second limiting part 2121 includes a third connecting part 21211 and a third limiting part 21212. The third connecting part 21211 connects the third limiting part 21212 and the second front wall 212. The third limiting part 21212 is spaced apart from the second front wall 212 along the second direction X. Along the second direction X, the projection of the third connecting part 21211 is located within the projection of the third limiting part 21212.

In one embodiment, the size of the second limiting member 2121 is sufficient to partially pass through the second through hole 3112 . Optionally, the third limiting portion 21212 can pass through the second through hole 3112. When the third limiting portion 21212 passes through the second through hole 3112 and the third connecting portion 21211 is partially located in the second through hole 3112, the position of the first portion 311 relative to the second module 20 can be changed, and the third connecting portion can be 21211 moves between the first through hole 3111 and the second through hole 3112 along the third direction Y, and moves within the first through hole 3111 along the first direction Z.

In one embodiment, the number of second limiting members 2121 is the same as the number of first through holes 3111. Optionally, the second module 20 is provided with two second limiting members 2121. Optionally, two second limiting members 2121 are spaced apart along the third direction Y.

When the second limiting member 2121 butts with the second through hole 3112 but has not penetrated into the second through hole 3112, the first part 311 is moved along the second direction X to make the first part 311 close to the second front wall 212, and the third limiting member The portion 21212 passes through the second through hole 3112, and the third connecting portion 21211 is partially located in the second through hole 3112, as shown in Figure 24 .

Please combine Figure 13, Figure 24 and Figure 25. When the third limiting part 21212 passes through the second through hole 3112 and the third connecting part 21211 is partially located in the second through hole 3112, the first part 311 is moved along the third direction Y. , the third connecting part 21211 can enter the first through hole 3111.

In one embodiment, along the third direction Y, the width of the third limiting portion 21212 is greater than the width of the first through hole 3111. Along the second direction Outside the projection of hole 3111. When the third connecting portion 21211 is partially located in the first through hole 3111, the third limiting portion 21212 can restrict the first structural member 31 from moving away from the second front wall 212 along the second direction X. Optionally, the length of the third connecting portion 21211 along the second direction X is adapted to the thickness of the first portion 311 along the second direction The limiting portion 21212 is in contact with the side of the first portion 311 away from the second front wall 212 .

Please combine Figure 13, Figure 22 and Figure 26. When the third connecting part 21211 abuts the upper end of the first through hole 3111, the first through hole 3111 and the third connecting part 21211 are matched and linked, so that the first structural member 31 is provided in the second module 20.

In one embodiment, the second module 20 is provided with a fourth fixing hole 2122 , and the fourth fixing hole 2122 is provided on the second front wall 212 . When the third connecting portion 21211 passes through the first through hole 3111 and the first structural member 31 moves away from the second top wall 214 in the first direction Z, the second fastener 33 can butt with the fourth fixing hole 2122. When the second fastener 33 is butted with the fourth fixing hole 2122, adjusting the second fastener 33 can make the second fastener 33 fixedly connected to the fourth fixing hole 2122, so that the first structural member 31 can be fixedly connected to the second fixing hole 2122. Mod 20. At this time, along the second direction Three modules of 40 are stacked and connected in a fixed state.

In one embodiment, the number of the fourth fixing holes 2122 corresponds to the number of the second fasteners 33 . In one embodiment, the second module 20 is provided with a fourth fixing hole 2122 . Optionally, the fourth fixing hole 2122 has internal threads.

Optionally, when the second fastener 33 is connected to the fourth fixing hole 2122, the third connecting portion 21211 of the second limiting member 2121 abuts the upper end of the first through hole 3111, so that when the second limiting member 2121 2121 supports the first structural member 31 by abutting the upper end of the first through hole 3111, and the second fastener 33 butts with the fourth fixing hole 2122, which can reduce the time required to butt the second fastener 33 and the fourth fixing hole 2122. time and improve work efficiency.

Please combine FIG. 13 , FIG. 22 and FIG. 27 . In one embodiment, the second module 20 is also provided with a fifth fixing hole 2123 , and the fifth fixing hole 2123 is provided in the second front wall 212 . When the third connecting part 21211 passes through the first through hole 3111 and the first structural member 31 moves close to the second top wall 214 along the first direction Z, the fourth through hole 3113 can be connected with the fifth fixing hole 2123. At this time , by partially passing the third fastener 34 through the fourth through hole 3113 and connecting to the fifth fixing hole 2123, the first structural member 31 can be fixedly connected to the second module 20. At this time, along the first direction Z, the second connecting portion 3121 partially protrudes from the second top wall surface 2141 , and the second connecting portion 3121 can be used to connect the third module 40 .

Optionally, when the third fastener 34 partially passes through the fourth through hole 3113 and is connected to the fifth fixing hole 2123, the second limiting member 2121 is located at the bottom of the first through hole 3111 along the first direction Z. The first structural member 31 is moved along the first direction Z relative to the second module 20 until the bottom of the first through hole 3111 contacts the second limiting member 2121. At this time, the fourth through hole 3113 and the fifth fixing hole 2123 The docking can shorten the time for docking the fourth through hole 3113 and the fifth fixing hole 2123, and improve work efficiency.

Optionally, the fifth fixing hole 2123 has internal threads.

In one embodiment, the second top wall 214 extends and protrudes from the second front wall 212. When the second limiting member 2121 is connected to the first through hole 3111, along the first direction Z, the projection of the first structural member 31 Located within the projection of the second top wall 214. The part of the second top wall 214 extending beyond the second front wall 212 is provided with a fifth hole 2143. When the second limiting member 2121 is partially inserted through the first through hole 3111, the first structural member 31 moves along the first direction Z. When moving close to the second top wall 214, the second connecting portion 3121 may partially pass through the fifth hole 2143 and protrude from the second top wall surface 2141. In one embodiment, the second top wall 214 extends along the second direction X and protrudes from the second front wall 212 .

In one embodiment, the portion of the second top wall 214 protruding from the second front wall 212 can be connected and matched with the second portion 312 to play a guiding or supporting role.

In one embodiment, the second top wall 214 does not protrude from the second front wall 212 (not shown) along the second direction X. When the second limiting member 2121 is connected to the first through hole 3111, In the direction Z, the projection of the first structural member 31 is separated from the projection of the second top wall 214 .

As an example, further description will be provided below by taking the second top wall 214 extending along the second direction X and protruding from the second front wall 212 as an example.

In one embodiment, the second top wall 214 has two fifth holes 2143, and the two fifth holes 2143 are spaced apart along the third direction Y.

In one embodiment, the portion of the second top wall 214 extending along the second direction X and protruding from the second front wall 212 is also provided with a sixth hole 2144 . When the second limiting member 2121 is partially penetrated through the first through hole 3111 and the first structural member 31 moves close to the second top wall 214 along the first direction Z, the first guide portion 3122 can partially pass through the sixth hole 2144 and Protruding from the second top wall surface 2141, the first guide portion 3122 and the sixth hole 2144 cooperate to guide the displacement of the first structural member 31 relative to the second module 20, allowing a certain installation error and improving work efficiency.

Please combine Figure 9, Figure 27 and Figure 28. In one embodiment, the third bottom wall 411 extends along the second direction X and protrudes from the third front wall 413. The third bottom wall 411 extends from the third front wall. 413 is provided with a seventh hole 4113, the seventh hole 4113 can be connected with the fifth hole 2143, the seventh hole 4113 corresponds to the second connecting portion 3121, and the second connecting portion 3121 can partially pass through the seventh hole 4113. In one embodiment, the number of seventh holes 4113 is equal to the number of second connecting parts 3121 .

In one embodiment, when the third module 40 and the second module 20 are assembled, the third module 40 is stacked on the second module 20 along the first direction Z, and the second connecting portion 3121 is close to the seventh hole 4113, The first guide surface 31212 at the front end of the second connecting part 3121 is in contact with the seventh hole 4113 and can guide the second connecting part 3121 to penetrate the seventh hole 4113, thereby guiding the relative displacement of the third module 40 and the second module 20 , which can tolerate a certain docking error and improve stacking efficiency.

Optionally, the seventh hole 4113 has the same shape and size as the fifth hole 2143.

In one embodiment, the portion of the third bottom wall 411 extending beyond the third front wall 413 is also provided with an eighth hole 4114. The eighth hole 4114 is connected with the sixth hole 2144, and the eighth hole 4114 corresponds to the first guide. The first guide portion 3122 may partially pass through the eighth hole 4114. In one embodiment, the number of eighth holes 4114 is equal to the number of first guide portions 3122 .

In one embodiment, when the third module 40 and the second module 20 are assembled, the third module 40 is stacked on the second module 20 along the first direction Z, and the first guide portion 3122 is close to the eighth hole 4114, The chamfered end of the first guide part 3122 is connected to the eighth hole 4114, which can guide the first guide part 3122 to penetrate the eighth hole 4114, and then guide the relative displacement of the third module 40 and the second module 20. A certain docking error can be tolerated to improve stacking efficiency.

In one embodiment, the eighth hole 4114 has the same shape and size as the sixth hole 2144.

In one embodiment, the third module 40 is provided with a sixth fixing hole (not labeled), and the sixth fixing hole is provided on the third front wall 413 . When the second connecting portion 3121 partially passes through the seventh hole 4113, the third through hole 31211 can be docked with the sixth fixing hole. At this time, the first fastener 32 can partially pass through the third through hole 31211 and connect to the sixth fixing hole. The fixing holes allow the second connecting portion 3121 to be fixedly connected to the third module 40 . Moreover, at this time, the two third fasteners 34 fixedly connect the first part 311 to the second module 20, so that the second module 20 and the third module 40 are fixedly connected together.

In one embodiment, the third module 40 is provided with two sixth fixing holes, the two sixth fixing holes are spaced apart along the third direction Y, and the two sixth fixing holes respectively correspond to the two second connecting parts 3121 Two third through holes 31211 on.

Optionally, the sixth fixing hole has internal threads.

In one embodiment, the third module 40 further includes a third structural member 418 , the third structural member 418 is provided on the third front wall 413 , and the sixth fixing hole is provided on the third structural member 418 . Providing a sixth fixing hole in the third structural member 418 and then connecting the third structural member 418 to the third front wall 413 can reduce processing difficulty and save processing and manufacturing costs.

In one embodiment, the present application stacks the third module 40 on the second module 20 and then moves the first structural member 31 along the first direction Z to connect and fix the second part 312 of the first structural member 31 The third module 40 and the first part 311 are connected and fixed to the second module 20, and then the third module 40 and the second module 20 are fixedly connected together. The installation and disassembly are relatively convenient and quick, and the work efficiency can be improved.

In one embodiment, the present application fixes the first structural member 31 to the second module 20 and the second part 312 protrudes from the second top wall surface 2141 of the second module 20, and then the third module is 40 is stacked on the second module 20, so that the second part 312 is connected and fixed to the third module 40, the first part 311 is connected and fixed to the second module 20, and then the third module 40 and the second module 20 are fixedly connected at At the same time, installation and disassembly are more convenient and faster, which can improve work efficiency.

As shown in FIG. 19 , in one embodiment, the battery system 100 further includes a base module 60 , the base module 60 and the first module 10 are stacked along the first direction Z, and the first bottom wall 115 abuts and is fixed on Base module 60.

In one embodiment, the structure of the first bottom wall 115 is the same as that of the second bottom wall 215. The base module 60 is provided with a second connecting portion 3121 and a first guide portion 3122 extending upward along the first direction Z. The connection and fixation method of the bottom wall 115 with the second connection part 3121 and the first guide part 3122 is the same as the connection and fixation method of the second bottom wall 215 with the second connection part 3121 and the first guide part 3122, which will not be described again.

In one embodiment, the first module 10 and the second module 20 are connected and fixed by two sets of first structural components 30, and the two sets of first structural components 30 are spaced apart along the second direction X, wherein one set of first structural components 30 One structural component 30 is disposed on the first front wall 112 , and another set of first structural components 30 is disposed on the first rear wall 113 . The two sets of first structural components 30 connect and fix the first module 10 and the second module 20, which can improve the stability of the connection and fixation.

In one embodiment, the second module 20 and the third module 40 are connected and fixed by two sets of first structural components 30, and the two sets of first structural components 30 are spaced apart along the second direction X, wherein one set of first structural components 30 One structural component 30 is disposed on the second front wall 212 , and another set of first structural components 30 is disposed on the second rear wall 213 . The two sets of first structural components 30 are connected and fixed to the second module 20 and the third module 40, which can improve the stability of connection and fixation.

As shown in FIG. 29 , in one embodiment, the first housing 11 is formed with a first housing recess 117 , a first top wall 114 , a first bottom wall 115 , a first left side wall 118 and a first right side wall. 119 all extend and protrude from the first front wall 112. The first top wall 114, the first bottom wall 115, the first left side wall 118 and the first right side wall 119 protrude from the portion of the first front wall 112 and the first The front wall 112 surrounds and forms the first housing recess 117 , and the first front wall 112 constitutes the bottom wall of the first housing recess 117 .

In one embodiment, the battery system 100 further includes a first protective member 51, which is at least partially disposed in the first housing recess 117. The first protective member 51 shields and protects part of the first structural component 30. The first part 311 of the first structural member 31 connecting the first module 10 and the second module 20 is located between the first protective part 51 and the first front wall 112 . The first protective member 51 can play a protective role to protect the components provided on the first front wall 112 and reduce the risk of damage caused by falling or impact of foreign objects.

In one embodiment, the second housing 21 is formed with a second housing recess 217 , from which the second top wall 214 , the second bottom wall 215 , the second left side wall 218 and the second right side wall 219 all extend and protrude. The second front wall 212 , the second top wall 214 , the second bottom wall 215 , the second left side wall 218 and the second right side wall 219 are formed by portions protruding from the second front wall 212 and surrounded by the second front wall 212 The second housing recess 217 and the second front wall 212 constitute the bottom wall of the second housing recess 217 .

In one embodiment, the battery system 100 further includes a second protective member 52, which is at least partially disposed in the second housing recess 217. The second protective member 52 shields and protects part of the first structural component 30. The second part 312 of the first structural member 31 connecting the first module 10 and the second module 20 is located between the first protective part 51 and the first front wall 112 . The second protective member 52 can play a protective role to protect the components provided on the second front wall 212 and reduce the risk of damage due to falling or impact of foreign objects.

In one embodiment, the third housing 41 is formed with a third housing recess 42, and the third top wall 412, the third bottom wall 411, the third left side wall 415 and the third right side wall 416 extend and protrude from the third housing recess 42. Three front walls 413, the third top wall 412, the third bottom wall 411, the third left side wall 415 and the third right side wall 416 protrude from the third front wall 413 and are surrounded by the third front wall 413 to form a third front wall 413. The third housing recess 42 and the third front wall 413 constitute the bottom wall of the third housing recess 42 .

In one embodiment, the battery system 100 further includes a third protective member 53 , and the third protective member 53 is at least partially disposed in the third housing recess 42 . The third protective member 53 can play a protective role to protect the components provided on the third front wall 413 and reduce the risk of damage due to falling or impact of foreign objects.

An embodiment of the present application also provides an electrical device. The electrical device includes the battery system 100 described in any of the above embodiments.

To sum up, the above-mentioned battery system 100 connects and fixes the first module 10 and the second module 20 through the first structural component 30 which is movable relative to the first module 10, which can improve the efficiency of installation and disassembly.

In addition, those skilled in the art can also make other changes within the spirit of this application. Of course, these changes made based on the spirit of this application should be included in the scope disclosed in this application.

Claims

A battery system, characterized by including:

First module;

a second module set stacked with the first module set along the first direction;

A first structural component, the first structural component includes a first part and a second part, the first part is used for fixing with the first module, and the second part is used for fixing with the second module;

The first structural component moves in the first direction and in a direction opposite to the first direction, and the first structural component can move relative to the first module so that the second part is in contact with the first module. Two modules are connected or separated.
The battery system of claim 1, wherein the first part and the second part are connected to each other.
The battery system according to claim 1, characterized in that:

The first part is provided with a first through hole, through which the first structural component can move in the first direction and in a direction opposite to the first direction relative to the first module. move.
The battery system of claim 3, wherein the first module is provided with a first limiting member, and the first limiting member is partially disposed in the first through hole.
The battery system according to claim 3, characterized in that:

The first part is also provided with a second through hole. The second through hole is connected to the first through hole. Viewed along the first direction, the second through hole is located on one side of the first through hole. .
The battery system of claim 5, wherein when viewed along a second direction perpendicular to the first direction, the second through hole is located at both ends of the first through hole along the first direction. between.
The battery system of claim 1, wherein the second part includes a second connection part, and the second connection part is used to be fixedly connected to the second module.
The battery system according to claim 7, characterized in that:

The second connecting part is provided with a third through hole;

The second module is provided with a second fixing hole;

The first structural component also includes a first fastener, the first fastener partially passes through the third through hole and is connected to the second fixing hole, and the first fastener is fixedly connected to the the second connecting part and the second module.
The battery system according to claim 7, characterized in that:

The first module includes a first housing, and the first housing includes a first top wall and a first front wall connected to the first top wall. Along the first direction, the first top wall The wall is arranged opposite to the second module, along a second direction perpendicular to the first direction, the first top wall extends and protrudes from the first front wall, and the first top wall extends and protrudes A first hole is provided in the first front wall, and the second connecting portion passes through the first hole.
The battery system according to claim 9, characterized in that:

The portion of the first top wall extending beyond the first front wall is provided with a third hole; the second portion includes a first guide portion passing through the third hole.
The battery system according to claim 7, characterized in that:

The second module includes a second housing, the second housing includes a second bottom wall and a second front wall connected to the second bottom wall. Along the first direction, the second bottom wall Disposed opposite to the first module, along a second direction perpendicular to the first direction, the second bottom wall extends and protrudes from the second front wall, and the second bottom wall extends and protrudes from A second hole is provided in a portion of the second front wall, and the second connecting portion passes through the second hole.
The battery system of claim 11, wherein

The portion of the second bottom wall extending beyond the second front wall is provided with a fourth hole; the second portion includes a first guide portion passing through the fourth hole.
The battery system according to claim 7, characterized in that:

The end of the second connecting portion away from the first portion has a first guide surface, and the first guide surface is inclined relative to the first direction.
The battery system according to any one of claims 1 to 13, characterized in that:

The first module is provided with a first fixing hole;

The first structural component also includes a second fastener;

Along a second direction perpendicular to the first direction, when the projection of the second part is located within the projection of the first module, the second fastener can pass through the first part and connect the First fixing hole.
The battery system of claim 14, wherein

The first part is provided with a fourth through hole;

The first module is provided with a third fixing hole;

The first structural component also includes a third fastener;

When the second part is connected to the second module, the third fastener part passes through the fourth through hole and connects to the third fixing hole.
The battery system of claim 14, wherein

Along the first direction, the first module includes a first top wall surface opposite to the second module, and the second module includes a second bottom wall surface opposite to the first module. ;

One of the first top wall surface and the second bottom wall surface is provided with a first recess, and the other of the first top wall surface and the second bottom wall surface is provided with a first protrusion, The first convex part is received in the first concave part.
The battery system of claim 16, wherein a length of the first protrusion is less than a length of the second portion along the first direction.
The battery system of claim 14, wherein

Along the first direction, the first module includes a first top wall surface opposite to the second module, and the second module includes a second bottom wall surface opposite to the first module. ;

The first module is provided with a first connector, the first connector is provided on the surface of the first top wall, and the first connector protrudes from the first top wall along the first direction. surface;

The second module is provided with a second connecting piece, and the second connecting piece is connected to the first connecting piece.
The battery system of claim 18, wherein the first module is further provided with a first sealing member, and the first sealing member is provided on the first top wall surrounding the first connecting member. surface;

Along the first direction, the first sealing member is in contact with the second bottom wall surface, and the first sealing member is in a compressed state.
The battery system of claim 14, wherein

The first module includes a first housing, the first housing is formed with a first housing recess, and the first part is accommodated in the first housing recess; and/or

The second module includes a second housing, the second housing is formed with a second housing recess, and the second part is received in the second housing recess.
The battery system of claim 20, wherein the battery system further includes:

A first protective piece is at least partially disposed in the recessed portion of the first housing along a second direction perpendicular to the first direction. The first portion is disposed between the first protective piece and the first shell. between bodies; and/or

The second protective piece is at least partially disposed in the recess of the second housing, and the second portion is disposed between the second protective piece and the second housing along the second direction.
The battery system of claim 14, wherein at least one of the first module and the second module includes a battery module.
The battery system of claim 14, wherein

The battery system also includes a third module;

There are at least two first structural components, and two adjacent ones of the first module, the second module and the third module are fixedly connected through the first structural component.
The battery system of claim 23, wherein:

The first module, the second module and the third module are stacked in sequence along the first direction;

The battery system further includes a base module. The first module and the base module are stacked along the first direction and detachably connected.
An electrical device, characterized by comprising the battery system according to any one of claims 1 to 24.