CN217062356U - Battery system and electric equipment - Google Patents

Abstract

The application discloses battery system and have consumer of this battery system, battery system include first module, second module and first structure subassembly. The second module and the first module are stacked in a first direction. The first structural assembly includes a first portion and a second portion interconnected, the first portion for securing with the first module and the second portion for securing with the second module. The first structural assembly moves along a first direction and moves along a second direction opposite to the first direction, and the first structural assembly can move relative to the first module so that the second part is connected with or separated from the second module. According to the battery system, the first module and the second module are connected or separated through the first structural component which can move relative to the first module, so that the mounting and dismounting efficiency can be improved.

Description

Battery system and electric equipment

Technical Field

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

Background

In energy storage system, when a plurality of battery module pile up and set up, generally need fixing device to pile up the battery module connection of connecting fixed, reduce the risk that battery module appears rocking or even topples. At present, the fixing device of the traditional stacking structure is complex to install and disassemble and low in efficiency.

SUMMERY OF THE UTILITY MODEL

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

An embodiment of the present application provides a battery system including a first module, a second module, and a first structural component. The second module and the first module are stacked in a first direction. The first structural assembly includes a first portion and a second portion interconnected, the first portion for securing with the first module and the second portion for securing with the second module. The first structural assembly moves along a first direction and moves along a second direction opposite to the first direction, and the first structural assembly can move relative to the first module so that the second part is connected with or separated from the second module. According to the battery system, the first module and the second module are connected or separated through the first structural component which can move relative to the first module, so that the mounting and dismounting efficiency can be improved.

In some embodiments of the present application, the first portion is provided with a first through hole through which the first structural component is movable relative to the first module in a first direction and in a direction opposite to the first direction to be movable in the first direction closer to the second module and in the direction opposite to the first direction away from the second module.

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

In some embodiments of the present application, the first portion is further provided with a second through hole, the second through hole communicates with the first through hole, and the second through hole is located at one side of the first through hole when viewed along the first direction.

In some embodiments of the present application, the second through hole is located between both ends of the first through hole in the first direction, as viewed in a second direction perpendicular to the first direction.

In some embodiments of the present application, the second portion includes a second connection portion for fixedly connecting the second module.

In some embodiments of the present application, the second connecting portion is provided with a third through hole, the second module is provided with a second fixing hole, the first structural assembly further includes a first fastening member, the first fastening member partially penetrates through the third through hole and is connected to the second fixing hole, and the first fastening member fixedly connects the second connecting portion 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, the first top wall is disposed opposite to the second module along a first direction, and the first top wall extends and protrudes from the first front wall along a second direction perpendicular to the first direction. The part of the first top wall extending and protruding out of the first front wall is provided with a first hole, and the second connecting part penetrates through the first hole.

In some embodiments of the present application, a portion of the first top wall extending proud of the first front wall is provided with a third aperture; 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, the second bottom wall is disposed opposite to the first module along the first direction, the second bottom wall extends and protrudes from the second front wall along a second direction perpendicular to the first direction, a second hole is disposed in a portion of the second bottom wall that extends and protrudes from the second front wall, and the second connecting portion passes through the second hole.

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

In some embodiments of the present application, an end of the second connecting portion, which is far away from the first portion, has a first guiding surface, the first guiding surface is disposed obliquely with respect to the first direction, and the first guiding surface can guide the second connecting portion to penetrate into the first hole, so as to guide the displacement of the first structural component with respect to the first module, allow a certain installation error, and improve the working efficiency.

In some embodiments of the present application, the first module has a first fixing hole, and the first structural assembly further includes a second fastening member, along a second direction perpendicular to the first direction, when the projection of the second portion is located within the projection of the first module, the second fastening member can pass through the first portion and connect to the first fixing hole, so that the first portion is connected to the first module.

In some embodiments of the present application, the first portion is provided with a fourth through hole, the first module is provided with a third fixing hole, and the first structural assembly further comprises a third fastener; when the second part is connected with the second module, the third fastener part penetrates through the fourth through hole and is connected with the third fixing hole, so that the first part is connected with the first module, and the first module and the second module are connected and fixed.

In some embodiments of the present application, the first module comprises a first top wall surface opposite the second module and the second module comprises a second bottom wall surface opposite the first module along the first direction. One of the first top wall surface and the second bottom wall surface is provided with a first concave part, the other one of the first top wall surface and the second bottom wall surface is provided with a first convex part, the first convex part is accommodated in the first concave part, and the first convex part and the first concave part are matched to guide the first module and the second module to be close to each other, so that the first module and the second module can be stacked and connected.

In some embodiments of the present application, a length of the first protrusion is less than a length of the second portion along the first direction. In the assembling process, after the second connecting part is matched with the second module and penetrates through the first hole, the first convex part is matched with the first concave part, the positions of the first module and the second module are further guided, and the risk of position deviation of the first module and the second module is reduced.

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

In some embodiments of the present application, the first die set is further provided with a first sealing member disposed on the first top wall surface around the first connecting member; along the first direction, the first sealing piece is abutted to the second bottom wall surface, and the first sealing piece is in a compressed state. The first sealing element can play a role in sealing and waterproofing, and the influence of the electric connection between the first connecting element and the second connecting element caused by the water entering is reduced.

In some embodiments of the present application, the first module comprises a first housing formed with a first housing recess, the first portion being received in the first housing recess; and/or the second module comprises a second shell, a second shell concave part is formed on the second shell, and the second part is accommodated in the second shell concave part.

In some embodiments of the present application, the battery system further comprises a first guard and/or a second guard. The first protection piece is at least partially arranged in the first shell concave part, and the first part is arranged between the first protection piece and the first shell along a second direction perpendicular to the first direction. The first protection part can play a protection role, protects components arranged in the concave part of the first shell and reduces the risk of damage caused by falling or impact of foreign objects. The second protection piece is at least partially arranged in the second shell concave part, and the second part is arranged between the second protection piece and the second shell along the second direction. The second protection part can play a protection role, protects components arranged in the concave part of the second shell and reduces the risk of damage caused by falling or impact of foreign objects.

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

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

In some embodiments of the present application, the first module, the second module, and the third module are sequentially stacked along the first direction. The battery system further comprises a base module, and the first module and the base module are stacked along a first direction and detachably connected.

The embodiment of the present application further provides an electric device, which includes the battery system in any one of the above embodiments.

In summary, the battery system connects or separates the first module and the second module through the first structural component which is movable relative to the first module, so that the assembly and disassembly efficiency can be improved.

Drawings

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

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

Fig. 3 is an exploded view of a first module according to an embodiment of the present disclosure.

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

FIG. 5 is a second view of the first module in an embodiment of the present application.

Fig. 6 is an exploded view of a second module according to an embodiment of the present disclosure.

Fig. 7 is a first view of a second module in an embodiment of the present application.

FIG. 8 is a second view of a second module in an embodiment of the present application.

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

Fig. 10 is a third view of a battery system in an embodiment of the present application.

Fig. 11 is a cross-sectional view XI-XI in fig. 1.

FIG. 12 is a third view of the first module in an embodiment of the present application.

FIG. 13 is a schematic illustration of a portion of a first structural assembly in an embodiment of the present application.

Fig. 14 is a schematic structural diagram of a state in which the first module and the first structural group are not connected in an embodiment of the present application.

Fig. 15 is a first view of a state in which a first module and a first structural group are connected in one embodiment of the present application.

Fig. 16 is a second view of a state in which the first module and the first structural group are connected in one embodiment of the present application.

Fig. 17 is a third view of a state in which the first module and the first structural group are connected in one embodiment of the present application.

Fig. 18 is a fourth view showing a state in which the first module and the first structural group are connected in one embodiment of the present application.

Fig. 19 is a fourth view of a battery system in an embodiment of the present application.

Fig. 20 is a fifth view of a battery system in an embodiment of the present application.

Fig. 21 is a sixth view of a battery system in an embodiment of the present application.

FIG. 22 is a third view of a second module in an embodiment of the present application.

Fig. 23 is a schematic structural diagram illustrating a state where the second module and the first structural group are not connected according to an embodiment of the present application.

Fig. 24 is a first view of a second module and a first structural group in a connected state in one embodiment of the present application.

Fig. 25 is a second view of a state in which the second module and the first structural group are connected in one embodiment of the present application.

FIG. 26 is a third view of a second module coupled to a first structural group in an embodiment of the present application.

FIG. 27 is a fourth view of a second module and a first structural group in a coupled state in accordance with an embodiment of the present application.

Fig. 28 is a seventh view of a battery system in an embodiment of the present application.

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

Description of the main elements

Battery system 100

First module 10

First housing 11

First receiving chamber 110

First front wall 112

First rear wall 113

First ceiling wall 114

First top wall surface 1141

First hole 1142

Third aperture 1143

First bottom wall 115

First bottom wall surface 1151

First left side wall 118

First right side wall 119

First recess 116

First housing recess 117

First battery assembly 12

First battery unit 121

First limiting part 13

First connecting portion 131

First position-limiting part 132

First fixing hole 14

Third fixing hole 15

First connecting member 16

Third connecting member 17

First seal 18

First handle part 19

The second module 20

Second housing 21

Second receiving chamber 210

Second side wall 211

Second front wall 212

Second position limiting element 2121

Third connecting part 21211

Third limiting part 21212

Fourth fixing hole 2122

Fifth fixing hole 2123

Second rear wall 213

Second top wall 214

Second top wall surface 2141

Second concave portion 2142

Fifth hole 2143

Sixth hole 2144

Second bottom wall 215

Second bottom wall surface 2151

Second aperture 2152

Fourth hole 2153

Second left sidewall 218

Second right side wall 219

First convex part 216

Second housing recess 217

Second battery assembly 22

Second battery cell 221

Second fixing hole 23

Second connecting member 24

Fourth connecting member 25

Second seal 26

Second handle part 27

Second structural member 28

First structural component 30

First structural member 31

First portion 311

First through-hole 3111

Second via 3112

Fourth via 3113

Extension portion 3114

Connected region 3115

Second portion 312

Second connecting portion 3121

Third through hole 31211

First guide surface 31212

First guide portion 3122

First fastener 32

Second fastening member 33

Third fastener 34

Third module 40

Third case 41

Third bottom wall 411

Third bottom wall surface 4111

Second protrusion 4112

Seventh hole 4113

Eighth hole 4114

Third ceiling wall 412

Third front wall 413

Third rear wall 414

Third left side wall 415

Third right side wall 416

Third structural member 418

Third housing recess 42

Fifth connecting member 43

First prevention piece 51

The second prevention piece 52

Third prevention piece 53

Base module 60

Connection 71 of a first connection element and a second connection element

Junction 72 of the fourth and fifth connectors

First direction Z

Second direction X

Third direction Y

The following detailed description will further illustrate the present application in conjunction with the above-described figures.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present.

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

An embodiment of the present application provides a battery system including a first module, a second module, and a first structural component. The second module and the first module are stacked in a first direction. The first structural assembly comprises a first part and a second part which are connected with each other, the first part is used for being fixed with the first module, and the second part is used for being fixed with the second module. The first structural assembly moves along a first direction and moves along a second direction opposite to the first direction, and the first structural assembly can move relative to the first module so that the second part is connected with or separated from the second module.

According to the battery system, the first module and the second module are connected or separated through the first structural component which can move relative to the first module, so that the mounting and dismounting efficiency can be improved.

Embodiments of the present application will be further described with reference to the accompanying drawings.

As shown in fig. 1 and 2, an embodiment of the present application provides a battery system 100, the battery system 100 including a first module 10, a second module 20, and a first structural assembly 30, the second module 20 being stacked on the first module 10 in a first direction Z, the first structural assembly 30 connecting the first module 10 and the second module 20. The first structural assembly 30 includes a first structural member 31, the first structural member 31 includes a first portion 311 and a second portion 312 connected to each other, the first portion 311 is fixedly connected to the first module 10, and the second portion 312 is fixedly connected to the second module 20. 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 a direction opposite to the first direction Z, so as to connect or disconnect the second portion 312 with or from the second module 20.

In an embodiment, the first portion 311 and the second portion 312 are integrally formed structures, such as by any one of casting, injection molding, or stamping.

In one embodiment, the first portion 311 and the second portion 312 are separate structures. Alternatively, the first portion 311 and the second portion 312 are connected by fasteners, such as detachably connected by screws. Alternatively, the first portion 311 and the second portion 312 are connected by a snap-fit connection. Alternatively, the first portion 311 and the second portion 312 are connected by welding or adhesive.

In one embodiment, the battery system 100 further includes a third module 40, and at least two first structural members 30, wherein adjacent two of the first module 10, the second module 20, and the third module 40 are fixedly connected to each other by one first structural member 30. Optionally, the first module 10, the second module 20, and the third module 40 are sequentially stacked along the first direction Z, the first module 10 and the second module 20 are fixedly connected by a first structural component 30, and the second module 20 and the third module 40 are fixedly connected by another first structural component 30. The first structural member 30 connecting the second module 20 and the third module 40 is connected to the second module 20 through the first portion 311 of the first structural member 31, and the second portion 312 is connected to the third module 40, thereby connecting and fixing the second module 20 and the third module 40.

As an example, the second module 20 is disposed between the first module 10 and the third module 40.

In one embodiment, at least one of the first, second and third modules 10, 20 and 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, and the first module 10, the second module 20, and the third module 40 are electrically connected to each other. The third module 40 may be used to control the 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 fig. 3, 4 and 5, in one embodiment, the first module 10 includes a first housing 11, a first battery pack 12, a first connecting member 16 and a third connecting member 17, the first battery pack 12 is disposed in the first housing 11, the first connecting member 16 is electrically connected to the first battery pack 12 and extends out of the first housing 11, and the third connecting member 17 is electrically connected to the first battery pack 12. Optionally, the first connector 16 comprises a connector. Optionally, the third connector 17 comprises a connector.

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

In an 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 disposed oppositely along a first direction Z, the first front wall 112 and the first rear wall 113 are disposed oppositely along a second direction X perpendicular to the first direction Z, the first left side wall 118 and the first right side wall 119 are disposed oppositely along a 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, the first bottom wall 115, the first left side wall 118, and the first right side wall 119 enclose a first cavity 110, and the first battery assembly 12 is disposed in the first cavity 110.

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

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

In one embodiment, the first module 10 further comprises two first handle portions 19, one of the two first handle portions 19 is disposed on the first front wall 112, and the other is disposed on the first rear wall 113, and the first handle portions 19 can be grasped to carry the first module 10. Alternatively, the first handle portion 19 is concavely formed on the first front wall 112 and the first rear wall 113.

As shown in fig. 6, 7 and 8, in an embodiment, the second module 20 includes a second housing 21, a second battery pack 22, a second connector 24 and a fourth connector 25, the second battery pack 22 is disposed in the second housing 21, the second connector 24 is electrically connected to the second battery pack 22 and extends out of the second housing 21, and the fourth connector 25 is electrically connected to the second battery pack 22. Optionally, the second connector 24 comprises a connector. Optionally, the fourth connector 25 comprises a connector.

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

In an 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 disposed along the first direction Z, the second front wall 212 and the second rear wall 213 are oppositely disposed along the second direction X, the second left side wall 218 and the second right side wall 219 are oppositely disposed along the third direction Y, 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 enclose the second cavity 210, and the second battery assembly 22 is disposed in the second cavity 210.

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

In one embodiment, the fourth connecting member 25 is disposed on the second top wall 214, and the second top wall 214 has a second top wall surface 2141, and the second top wall surface 2141 is far away from the second battery assembly 22 along the first direction Z. Optionally, the fourth connection 25 protrudes out of the second top wall surface 2141 in the first direction Z.

In one embodiment, the second module 20 further comprises two second handle portions 27, one of the two second handle portions 27 is disposed on the second front wall 212, and the other one of the two second handle portions 27 is disposed on the second rear wall 213, and the second handle portions 27 can be grasped for carrying the second module 20. Alternatively, the second handle portion 27 is concavely 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 casing 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 is disposed opposite to the third bottom wall 411 in the first direction Z, the third front wall 413 and the third rear wall 414 are disposed opposite to each other in the second direction X, and the third left side wall 415 and the third right side wall 416 are disposed opposite to each other in the third direction Y.

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

Referring to fig. 4, 8 and 10, when the second module 20 and the first module 10 are assembled, the second module 20 approaches the first module 10 along a direction opposite to the first direction Z, the first top wall 114 and the second bottom wall 215 are opposite and approach each other, the first top wall surface 1141 and the second bottom wall surface 2151 are opposite and approach each other, and the first connecting member 16 and the second connecting member 24 are opposite and approach each other until the first connecting member 16 and the second connecting member 24 are plugged together and the first top wall 114 and the second bottom wall 215 abut against each other, so that 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 concave portion 116, and the other is provided with a first convex portion 216. When the second module 20 is stacked on the first module 10, the first convex portion 216 is disposed on the first concave portion 116. When the first top wall 114 and the second bottom wall 215 are close to each other in a 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 to be close to each other, so as to facilitate the stacking 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 recess 116, and the first top wall 114 is provided with a first protrusion 216.

In an 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, and optionally, the four first recesses 116 are sequentially connected to 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, and when the first module 10 and the second module 20 are stacked together, the positions of the four first protrusions 216 correspond to the positions of the four first recesses 116.

In an embodiment, a projection of the second connector 24 is located in the second housing 21 along the second direction X. When the first top wall surface 1141 and the second bottom wall surface 2151 are close to each other, the first connector 16 protrudes from the first top wall surface 1141, and the second connector 24 is recessed into the second bottom wall surface 2151, so that a larger flatness tolerance can be tolerated, and the influence 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 is reduced.

Referring to fig. 4, 8 and 11, in an embodiment, the first connecting element 16 is located in an area surrounded by the four first recesses 116 when viewed along the first direction Z. In the second direction X, two of the first recesses 116 are closer to the first front wall 112 and the other two first recesses 116 are closer to the first rear wall 113 than the first connecting member 16.

In one embodiment, the second connector 24 is located within the enclosed area of the four first protrusions 216 as viewed along the first direction Z. In the second direction X, two of the first protrusions 216 are closer to the second front wall 212 and the other two first protrusions 216 are closer to the second rear wall 213 than the second connector 24.

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. Along the first direction Z, the projections of the first connecting piece 16 and the second connecting piece 24 are located in the enclosed area of the four first concave portions 116, and the projections of the first connecting piece 16 and the second connecting piece 24 are located in the enclosed area of the four first convex portions 216, so that the interaction force of the first connecting piece 16 and the second connecting piece 24 when the module shakes can be reduced, the influence of the shaking on the first connecting piece 16 and the second connecting piece 24 is reduced, and the service lives of the first connecting piece 16 and the second connecting piece 24 are prolonged.

As shown in fig. 10 and 11, when the first top wall 114 and the second bottom wall 215 approach each other in a direction opposite to the first direction Z, the first connecting member 16 and the second connecting member 24 are opposed to and approach each other. When the first module 10 and the second module 20 are stacked together, the first connecting member 16 is inserted into the second connecting member 24, so that the first module 10 and the second module 20 are electrically connected together, and the joint 71 of the first connecting member 16 and the second connecting member 24 is higher than the first top wall surface 1141, thereby reducing the influence of water entering from the gap between the first top wall surface 1141 and the second bottom wall surface 2151 on the electrical connection of the first connecting member 16 and the second connecting member 24. In the present application, the joint 71 of the first connector 16 and the second connector 24 refers to a portion where the first connector 16 and the second connector 24 are overlapped after being inserted into each other; for example, when the first connecting member 16 is inserted into the second connecting member 24, the joint 71 between the first connecting member 16 and the second connecting member 24 refers to the portion of the first connecting member 16 inserted into the second connecting member 24.

In one embodiment, one of the first connector 16 and the second connector 24 is a male plug and the other is a female receptacle. 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, and the first sealing member 18 is disposed on the first top wall surface 1141 and surrounds 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 acts as a seal and prevents water from entering, and reduces the influence of water entering on the electrical connection between the first connecting member 16 and the second connecting member 24. Optionally, the projection of the first sealing element 18 in the first direction Z forms a closed annular region, in which the projections of the first connecting element 16 and the second connecting element 24 are located, which may further seal the first connecting element 16 and the second connecting element 24. In one embodiment, the first seal member 18 is compressed along the first direction Z, which improves the sealing performance of the first seal member 18.

In one embodiment, the first seal 18 comprises a gasket.

In one embodiment, the material of the first sealing element 18 includes, but is not limited to, one of nitrile rubber, epdm, viton, silicone rubber, fluorosilicone rubber, nylon, and polyurethane.

Referring to fig. 7, fig. 9 and fig. 11, in an embodiment, one of the second top wall 214 and the third bottom wall 411 is provided with a second concave portion 2142, the other is provided with a second convex portion 4112, and the second convex portion 4112 is disposed in the second concave portion 2142. When the second top wall 214 and the third bottom wall 411 approach each other along the first direction Z, the second protrusion 4112 and the second recess 2142 cooperate to guide the second module 20 and the third module 40 to approach each other, which facilitates the stacking connection of the second module 20 and the third module 40. 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 an embodiment, four second recessed portions 2142 are disposed on the second top wall 214, the four second recessed portions 2142 are respectively located at four corners of the second top wall 214, and optionally, the four second recessed portions 2142 are sequentially connected to form a rectangle. In an embodiment, four second protrusions 4112 are disposed on the third bottom wall 411, the four second protrusions 4112 are respectively disposed at four corners of the third bottom wall 411, and when the third module 40 and the second module 20 are stacked together, the positions of the four second protrusions 4112 correspond to the positions of the four second recesses 2142.

In an embodiment, the fourth connecting portions 25 are located in the surrounding areas of the four second concave portions 2142 as viewed along the first direction Z. In the second direction X, two of the second recesses 2142 are closer to the second front wall 212 and the other two second recesses 2142 are closer to the second rear wall 213 than the fourth connection 25.

In an embodiment, the fifth connecting member 43 is located in an enclosed area of the four second protrusions 4112 as viewed along the first direction Z.

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 and electrically connected, so that the third module 40 and the second module 20 are electrically connected.

In an embodiment, the fourth connecting element 25 protrudes from the second top wall surface 2141, the fifth connecting element 43 is recessed in the third bottom wall surface 4111, and when the fourth connecting element 25 is inserted into the fifth connecting element 43, the joint 72 between the fourth connecting element 25 and the fifth connecting element 43 is higher than the second top wall surface 2141, so that the influence of water entering from the gap between the third bottom wall 411 and the second top wall 214 on the electrical connection between the fifth connecting element 43 and the fourth connecting element 25 is reduced. In the present application, the joint 72 between the fourth connecting element 25 and the fifth connecting element 43 refers to the overlapped part of the fourth connecting element 25 and the fifth connecting element 43 after being inserted into each other; for example, the fourth connecting member 25 is inserted into the fifth connecting member 43, and the joint 72 between the fourth connecting member 25 and the fifth connecting member 43 refers to the portion of the fourth connecting member 25 inserted into the fifth connecting member 43.

In one embodiment, the second module 20 further includes a second sealing member 26, and the second sealing member 26 is disposed on the second top wall 214 and surrounds 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, so as to seal and prevent water, and reduce the influence of water entering on the electrical connection between the fourth connecting member 25 and the fifth connecting member 43.

Optionally, along the first direction Z, the projection of the second sealing element 26 forms a closed annular region, and the projection of the fourth connecting element 25 and the fifth connecting element 43 is located in the annular region, so as to further seal and shield the fourth connecting element 25 and the fifth connecting element 43.

In one embodiment, the second seal 26 is compressed along the first direction Z, which improves the sealing performance of the second seal 26.

In one embodiment, the second seal 26 comprises a gasket.

In one embodiment, the material of the second sealing element 26 includes, but is not limited to, one of butadiene nitrile rubber, ethylene propylene diene monomer, fluoro-elastomer, silicone rubber, 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 enclosed region of the four second concave portions 2142, and the projections of the fourth connecting member 25 and the fifth connecting member 43 are located in the enclosed region of the four second convex portions 4112, so that the interaction force of the fourth connecting member 25 and the fifth connecting member 43 when the module shakes can be reduced, the influence of the shaking on the fourth connecting member 25 and the fifth connecting member 43 is reduced, and the service lives of the fourth connecting member 25 and the fifth connecting member 43 are prolonged.

As shown in fig. 12, 13 and 14, in one embodiment, the first portion 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 an embodiment, the first limiting element 13 and the first through hole 3111 are matched to guide the first structural member 31 to move along the first direction Z, so as to improve the accuracy and stability of the movement of the first structural member 31 relative to the first module 10.

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

In an embodiment, the first limiting member 13 includes a first connecting portion 131 and a first limiting portion 132, the first connecting portion 131 connects the first limiting portion 132 and the first front wall 112, and the first limiting portion 132 and the first front wall 112 are disposed at an interval along the second direction X. Along the second direction X, a projection of the first connecting portion 131 is located within a projection of the first limiting portion 132.

In one embodiment, the first portion 311 is further 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 in the third direction Y, and the second through-hole 3112 is located on one side of the first through-hole 3111 in the third direction Y as viewed in the first direction Z.

In one embodiment, the second through-hole 3112 is located between two ends of the first through-hole 3111 in the first direction Z, viewed along the second direction X. The upper end of the first through-hole 3111 is closer to the first top wall 114 than the second through-hole 3112. In the present application, the upper end portion of the first through hole 3111 refers to an end portion of the first through hole 3111 near the second module 20 along the first direction Z.

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

In an embodiment, the number of the first limiting members 13 is the same as the number of the first through holes 3111. In an embodiment, the first portion 311 has two first through holes 3111, and the first module 10 has two first stoppers 13. Optionally, the two first through holes 3111 are disposed at intervals along the third direction Y, and the two first limiting members 13 are disposed at intervals 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 the second through holes 3112 on the first structural member 31 is equal to the number of the first through holes 3111.

As shown in fig. 14 and 15, the first portion 311 is moved in a direction opposite to the second direction X, so that the first portion 311 is close to the first front wall 112, the first stopper 132 passes through the second through hole 3112, and the first connecting portion 131 is partially located in the second through hole 3112.

As shown in fig. 15 and 16, when the first position-limiting portion 132 passes through the second through hole 3112 and the first connecting portion 131 is partially located in the second through hole 3112, the first connecting portion 131 can enter the first through hole 3111 by moving the first portion 311 along the third direction Y.

In an embodiment, the width of the first position-limiting portion 132 is greater than the width of the first through hole 3111 along the third direction Y, and a projection of a portion of the first position-limiting portion 132 is located outside the projection of the first through hole 3111 when viewed along the second direction X. When the first connecting portion 131 is partially located in the first through hole 3111, the first position-limiting portion 132 can limit the first structural member 31 from moving away from the first front wall 112 along the second direction X.

Referring to fig. 13, 15 and 16, the first through hole 3111 has a communication area 3115, and the communication area 3115 is communicated with the second through hole 3112 along the third direction Y. When the first connection portion 131 is located in the communication area 3115, the first connection portion 131 may enter the second through hole 3112 by moving the first portion 311 in the third direction Y.

When the first connection portion 131 is partially located in the second through hole 3112, the first portion 311 can be separated from the first front wall 112 by moving the first portion 311 in the second direction X to separate the first portion 311 from the first front wall 112.

Referring to fig. 13, 16 and 17, a certain distance is formed between an upper end portion of the first through hole 3111 along the first direction Z and the communication area 3115, when the first connection portion 131 moves between the communication area 3115 and the second through hole 3112, the first connection portion 131 is separated from the upper end portion of the first through hole 3111, so that the influence of the upper end portion of the first through hole 3111 on the movement of the first limiting member 13 can be reduced.

When the first connection portion 131 abuts against the upper end portion of the first through hole 3111, the first through hole 3111 is connected to the first connection portion 131, so that the first structural member 31 is disposed on the first module 10.

Referring to fig. 12, 13 and 17, in an 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 assembly 30 further includes a second fastener 33, and optionally, the second fastener 33 is provided at the first portion 311. Along the second direction X, when the projection of the second portion 312 is located within the projection of the first module 10, the second fastening member 33 can pass through the first portion 311 and connect with the first fixing hole 14.

When the first connecting portion 131 is disposed through the first through hole 3111 and the first structure 31 moves away from the first top wall 114 along the first direction Z, the second fastening member 33 can be abutted with the first fixing hole 14. When the second fastening member 33 is engaged with the first fastening hole 14, the second fastening member 33 is adjusted to fixedly connect the second fastening member 33 to the first fastening hole 14, so that the first structural member 31 is fixedly connected to the first module 10. At this time, in the second direction X, the projection of the first structural member 31 is located within the projection of the first housing 11, and the projection of the second portion 312 is located within the projection of the first housing 11, which is a state where the first structural member 31 is connected to the first module 10 and the first module 10 is not fixedly connected to the second module 20 in a stacked manner.

In one embodiment, the number of the first fixing holes 14 and the second fastening members 33 corresponds. In one embodiment, the first module 10 is provided with a first fastening hole 14, and the first structural component 30 includes a second fastening member 33.

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

In other embodiments, the second fastening member 33 may be separate from the first portion 311, in which case the second fastening member 33 may be a common screw.

Optionally, when the second fastening member 33 is connected to the first fixing hole 14, the first connecting portion 131 of the first limiting member 13 abuts against the upper end portion of the first through hole 3111, so that the first limiting member 13 supports the first structural member 31 by abutting against the upper end portion of the first through hole 3111, and the second fastening member 33 abuts against the first fixing hole 14, thereby reducing the time for abutting the second fastening member 33 and the first fixing hole 14, and improving the working efficiency.

Referring to fig. 12, 13 and 18, in an embodiment, the first structure member 31 further includes a second connection portion 3121, the second connection portion 3121 is disposed on the second portion 312 to extend along the first direction Z, and the second connection portion 3121 is used for connecting the second module 20 when the second module 20 is stacked on the first module 10.

In an embodiment, the second connecting portion 3121 and the first portion 311 are integrally formed.

When the second connection portion 3121 is connected to the second module 20, the second connection portion 3121 protrudes from the first top wall surface 1141 in the first direction Z. In one embodiment, along the first direction Z, the length of the first convex portion 216 is smaller than the length of the second portion 312 extending from the first top wall surface 1141, and the length of the first convex portion 216 is smaller than the length of the second connecting portion 3121 extending from the first top wall surface 1141. During the assembly process, after the second connecting portion 3121 is engaged with the second module 20, the first convex portion 216 and the first concave portion 116 are engaged to further guide the positions of the first module 10 and the second module 20, thereby reducing the risk of the position deviation of the first module 10 and the second module 20.

In one embodiment, the first structural member 31 further defines a fourth through hole 3113, the fourth through hole 3113 extends through the first portion 311, the first module 10 further defines a third fixing hole 15, the third fixing hole 15 is disposed on the first front wall 112, and the first structural member 30 further includes a third fastening member 34. When the first connecting portion 131 penetrates the first through hole 3111 and the first structure 31 moves close to the first top wall 114 along the first direction Z, the fourth through hole 3113 can be abutted against the third fixing hole 15, and at this time, the first structure 31 can be fixedly connected to the first module 10 by the third fastening member 34 partially penetrating the fourth through hole 3113 and connecting the third fixing hole 15. At this time, the second connection portion 3121 partially protrudes from the first top wall surface 1141 in the first direction Z, and the second connection portion 3121 can be used to connect the second module 20.

In one embodiment, the number of the fourth through holes 3113, the third fixing holes 15 and the third fastening members 34 corresponds. 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, the first module 10 is provided with two third fixing holes 15, the two third fixing holes 15 are spaced apart along the third direction Y, and the first structural member 30 includes two third fastening members 34.

Alternatively, the third fixing hole 15 has an internal thread. Optionally, the third fastener 34 is a screw.

In an embodiment, the first top wall 114 extends and protrudes from the first front wall 112, and when the first position-limiting element 13 is connected to the first through hole 3111, a projection of the first structural element 31 is located in a projection of the first top wall 114 along the first direction Z. The portion of the first top wall 114 extending to protrude from the first front wall 112 is provided with a first hole 1142, and when the first retaining member 13 is partially inserted into the first through hole 3111 and the first structural member 31 moves along the first direction Z 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 portion 3121 is a sheet metal structure, and the first hole 1142 is square. In one embodiment, the first top wall 114 extends in the second direction X to protrude from the first front wall 112.

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

In an embodiment, the first top wall 114 does not protrude from the first front wall 112 (not shown), and when the first position-limiting element 13 is connected to the first through hole 3111, a projection of the first structural element 31 is separated from a projection of the first top wall 114 along the first direction Z.

As an example, the first top wall 114 extends along the second direction X and protrudes from the first front wall 112 for further description.

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

In an embodiment, an end of the second connection portion 3121 remote from the first portion 311 has a first guide surface 31212, and the first guide surface 31212 is inclined with respect to the first direction Z. The first guiding surface 31212 abuts against the first hole 1142, so as to guide the second connecting portion 3121 to penetrate into the first hole 1142, guide the displacement of the first structure 31 relative to the first module 10, allow a certain installation error, and improve the working efficiency. Optionally, an end of the second connecting portion 3121 away from the first portion 311 is a bent structure, and a side of the bent structure away from the first portion 311 forms the first guide surface 31212.

In an embodiment, the portion of the first top wall 114 protruding from the first front wall 112 and extending along the second direction X is further provided with a third hole 1143, the first structural member 31 further includes a first guiding portion 3122, and the first guiding portion 3122 is provided at the second portion 312 and extending along the first direction Z. When the first limiting element 13 is partially inserted into the first through hole 3111 and the first structural element 31 moves along the first direction Z close to the first top wall 114, the first guiding portion 3122 can partially pass through the third hole 1143 and protrude from the first top wall surface 1141. The first guiding 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 the working 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.

Alternatively, the first guide portion 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 portion 3122. When the first guide portion 3122 is engaged with the third hole 1143, the accuracy and stability of the movement of the first structure member 31 with respect to the first module 10 may be improved, and the displacement of the first structure member 31 with respect to the first module 10 in the second direction X and the third direction Y may be limited.

Alternatively, the end of the first guide portion 3122 away from the first portion 311 may have a chamfer that contacts and connects the third hole 1143 to guide the first guide portion 3122 into the third hole 1143, which may improve the tolerance for installation of the first structural member 31.

In one embodiment, the first guiding portion 3122 is connected to the second portion 312 by welding, and the first guiding portion 3122 is processed as a separate component and then connected to the first structural member 31, thereby saving the processing and manufacturing costs. In other embodiments, the first guiding portion 3122 may be integrally formed with the second portion 312.

In an embodiment, the first structural member 31 is further provided with an extending portion 3114, the extending portion 3114 is disposed on the first portion 311 in an extending manner along the second direction X, the extending direction of the extending portion 3114 is away from the first module 10, and the extending portion 3114 can be used for being clamped or pushed by an operator to move the first structural member 31 along the first direction Z. Optionally, an extension 3114 is provided at an end of the first portion 311 remote from the second portion 312. In one embodiment, the extension 3114 is integrally formed with the first portion 311.

As shown in fig. 19, 20 and 21, in an embodiment, the second bottom wall 215 extends and protrudes out of the second front wall 212, a second hole 2152 is formed in a portion of the second bottom wall 215 extending and protruding out of the second front wall 212, the second hole 2152 can be abutted 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 to protrude from the second front wall 212 along the second direction X.

Optionally, the second aperture 2152 is the same shape and size as the first aperture 1142.

In an embodiment, the portion of the second bottom wall 215 extending to protrude from the second front wall 212 is further provided with a fourth hole 2153, the fourth hole 2153 can be abutted with the third hole 1143, the fourth hole 2153 corresponds to the first guide 3122, and the first guide 3122 can partially pass through the fourth hole 2153. In an embodiment, the number of the fourth holes 2153 is equal to the number of the first guide portions 3122.

In an embodiment, when the second die set 20 is stacked on the first die set 10 along the first direction Z, the first guide portion 3122 is close to the fourth hole 2153, and the end portion of the first guide portion 3122 is in contact with the second hole 2152 by chamfering, so that the first guide portion 3122 can be guided to penetrate into the fourth hole 2153, and then the relative displacement between the second die set 20 and the first die set 10 can be guided, which can allow a certain docking error and improve the stacking efficiency.

Alternatively, the fourth hole 2153 may have 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 assembly 30 further includes a first fastening member 32. The third through hole 31211 may be butted against the second fixing hole 23 while the second connection portion 3121 is partially passed through the second hole 2152, and at this time, the first fastening member 32 may be partially passed through the third through hole 31211 and connected to the second fixing hole 23, so that the second connection portion 3121 is fixedly connected to the second module 20. And, at this time, the two third fasteners 34 fixedly connect the first portion 311 to the first module 10, so that the first module 10 and the second module 20 are fixedly connected together.

In an embodiment, the second die set 20 is provided with two second fixing holes 23, the two second fixing holes 23 are spaced along the third direction Y, and the two second fixing holes 23 respectively correspond to the two third through holes 31211 on the two second connecting portions 3121.

Alternatively, the second fixing hole 23 has an internal thread, and the first fastening member 32 is a screw.

In an embodiment, the second module 20 further includes a second structural member 28, the second structural member 28 is disposed on the second front wall 212, and the second fixing hole 23 is disposed on the second structural member 28. The second fixing hole 23 is formed in the second structural member 28, and then the second structural member 28 is connected to the second front wall 212, so that the processing difficulty can be reduced, and the processing and manufacturing cost can be saved.

In an embodiment, after the second module 20 is stacked on the first module 10, the first structure member 31 is moved along the first direction Z, so that the second portion 312 of the first structure member 31 is connected and fixed to the second module 20, the first portion 311 is connected and fixed to the first module 10, and then the second module 20 and the first module 10 are fixedly connected together, so that the assembly and disassembly are convenient and fast, and the working efficiency can be improved.

In an embodiment, the first structural member 31 is fixedly connected to the first module 10, and the second portion 312 protrudes from the first top wall surface 1141 of the first module 10, and then the second module 20 is stacked on the first module 10, so that the second portion 312 is fixedly connected to the second module 20, the first portion 311 is fixedly connected to the first module 10, and then the second module 20 and the first module 10 are fixedly connected together, so that the assembly and disassembly are convenient and fast, and the working efficiency can be improved.

Referring to fig. 13, 22 and 23, in an embodiment, the second module 20 is provided with a second stopper 2121, the second stopper 2121 can partially pass through the first through hole 3111, the second stopper 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, and the second stopper 2121 can further limit the displacement of the first structural member 31 relative to the second module 20. In an embodiment, the second limiting element 2121 and the first through hole 3111 are matched to guide the first structural element 31 to move along the first direction Z, so as to improve the accuracy and stability of the movement of the first structural element 31 relative to the second module 20.

In one embodiment, the second retaining member 2121 is disposed on the second front wall 212.

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

In one embodiment, the second limiting member 2121 is sized to partially pass through the second through hole 3112. Alternatively, the third stopper portion 21212 may 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 disposed in the second through hole 3112, the position of the first portion 311 relative to the second module 20 can be changed, so that the third connecting portion 21211 can move along the third direction Y between the first through hole 3111 and the second through hole 3112 and along the first direction Z within the first through hole 3111.

In an embodiment, the number of the second position-limiting members 2121 is the same as that of the first through holes 3111. Optionally, the second module 20 is provided with two second limiting members 2121. Optionally, the two second limiting members 2121 are disposed at intervals along the third direction Y.

When the second stopper 2121 abuts against the second through hole 3112 but does not penetrate into the second through hole 3112, the first portion 311 is moved along the second direction X to make the first portion 311 close to the second front wall 212, the third stopper 21212 penetrates through the second through hole 3112, and the third connecting portion 21211 is partially located in the second through hole 3112, as shown in fig. 24.

Referring to fig. 13, 24 and 25, 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 first portion 311 is moved along the third direction Y, so that the third connecting portion 21211 enters the first through hole 3111.

In an embodiment, the width of the third limiting portion 21212 is greater than the width of the first through hole 3111 along the third direction Y, and a projection of a portion of the third limiting portion 21212 is located outside the projection of the first through hole 3111 along the second direction X. When the third connecting portion 21211 is partially located in the first through hole 3111, the third limiting portion 21212 can limit 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 X, so that when the third connecting portion 21211 is partially located in the first through hole 3111, the third limiting portion 21212 abuts against a side of the first portion 311 away from the second front wall 212.

Referring to fig. 13, 22 and 26, when the third connecting portion 21211 abuts against the upper end portion of the first through hole 3111, the first through hole 3111 and the third connecting portion 21211 are linked to each other, so that the first structural member 31 is disposed on 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 disposed on the second front wall 212. When the third connecting portion 21211 is inserted into the first through hole 3111 and the first structural member 31 moves away from the second top wall 214 along the first direction Z, the second fastening member 33 may be abutted with the fourth fixing hole 2122. When the second fastening member 33 is engaged with the fourth fixing hole 2122, the second fastening member 33 is adjusted to fixedly connect the second fastening member 33 to the fourth fixing hole 2122, so that the first structural member 31 is fixedly connected to the second module 20. At this time, in the second direction X, the projection of the first structural member 31 is located within the projection of the second housing 21, which is a state that the first structural member 31 is connected to the second module 20, and the second module 20 is not fixedly connected to the third module 40 in a stacked manner.

In one embodiment, the fourth fixing holes 2122 correspond to the number of the second fastening members 33. In one embodiment, the second module 20 is provided with a fourth fixing hole 2122. Optionally, the fourth fixing hole 2122 has an internal thread.

Optionally, when the second fastening element 33 is connected to the fourth fixing hole 2122, the third connecting portion 21211 of the second limiting element 2121 abuts against the upper end portion of the first through hole 3111, so that the first connecting member 31 is supported by the second limiting element 2121 by abutting against the upper end portion of the first through hole 3111, and the second fastening element 33 abuts against the fourth fixing hole 2122, thereby reducing the time for abutting against the second fastening element 33 and the fourth fixing hole 2122, and improving the working efficiency.

Referring to fig. 13, 22 and 27, in an embodiment, the second module 20 further has a fifth fixing hole 2123, and the fifth fixing hole 2123 is disposed on the second front wall 212. When the third connecting portion 21211 is inserted into the first through hole 3111 and the first structural member 31 moves along the first direction Z close to the second top wall 214, the fourth through hole 3113 can be aligned with the fifth fixing hole 2123, and at this time, the third fastening member 34 partially passes through the fourth through hole 3113 and is connected to the fifth fixing hole 2123, so that the first structural member 31 can be fixedly connected to the second module 20. At this time, the second connecting portion 3121 partially protrudes from the second top wall surface 2141 along the first direction Z, and the second connecting portion 3121 can be used for connecting the third module 40.

Optionally, when the third fastening member 34 partially passes through the fourth through hole 3113 and connects with the fifth fixing hole 2123, the second retaining 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 abuts against the second stopper 2121, and at this time, the fourth through hole 3113 is abutted against the fifth fixing hole 2123, so that the time for abutting against the fourth through hole 3113 and the fifth fixing hole 2123 can be shortened, and the working efficiency can be improved.

Optionally, the fifth fixing hole 2123 has an internal thread.

In an embodiment, the second top wall 214 extends to protrude from the second front wall 212, and when the second stopper 2121 is connected to the first through hole 3111, a projection of the first structural member 31 is located within a projection of the second top wall 214 along the first direction Z. The portion of the second top wall 214 extending and protruding from the second front wall 212 is provided with a fifth hole 2143, and when the second retaining element 2121 is partially inserted into the first through hole 3111 and the first structural member 31 moves along the first direction Z and approaches the second top wall 214, the second connecting portion 3121 can 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 in the second direction X to protrude from the second front wall 212.

In an embodiment, the portion of the second top wall 214 protruding from the second front wall 212 may be coupled with the second portion 312 to function as a guide or a support.

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

As an example, the second top wall 214 extends along the second direction X and protrudes from the second front wall 212 for further description.

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

In an embodiment, the portion of the second top wall 214 extending along the second direction X and protruding from the second front wall 212 is further provided with a sixth hole 2144. When the second limiting element 2121 partially penetrates through the first through hole 3111 and the first structure 31 moves along the first direction Z close to the second top wall 214, the first guiding portion 3122 partially penetrates through the sixth hole 2144 and protrudes out of the second top wall surface 2141, the first guiding portion 3122 and the sixth hole 2144 cooperate to guide the displacement of the first structure 31 relative to the second module 20, which may allow a certain installation error and improve the working efficiency.

Referring to fig. 9, 27 and 28, in an embodiment, the third bottom wall 411 extends in the second direction X and protrudes out of the third front wall 413, a seventh hole 4113 is disposed in a portion of the third bottom wall 411 that extends out of the third front wall 413, the seventh hole 4113 may be abutted with the fifth hole 2143, the seventh hole 4113 corresponds to the second connecting portion 3121, and the second connecting portion 3121 may partially pass through the seventh hole 4113. In an embodiment, the number of the seventh holes 4113 is equal to the number of the second connecting portions 3121.

In an 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, the second connecting portion 3121 is close to the seventh hole 4113, the first guiding surface 31212 at the front end of the second connecting portion 3121 contacts and connects with the seventh hole 4113, so as to guide the second connecting portion 3121 to penetrate through the seventh hole 4113, and further guide the relative displacement of the third module 40 and the second module 20, which can allow a certain docking error and improve the stacking efficiency.

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

In an embodiment, a portion of the third bottom wall 411 extending to protrude from the third front wall 413 is further provided with an eighth hole 4114, the eighth hole 4114 is abutted with the sixth hole 2144, the eighth hole 4114 corresponds to the first guide portion 3122, and the first guide portion 3122 can partially pass through the eighth hole 4114. In an embodiment, the number of the eighth holes 4114 is equal to the number of the first guiding portions 3122.

In an 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, the first guide portion 3122 is close to the eighth hole 4114, the end portion of the first guide portion 3122 is chamfered to contact with the eighth hole 4114, the first guide portion 3122 can be guided to penetrate the eighth hole 4114, and then the relative displacement between the third module 40 and the second module 20 is guided, so that a certain alignment error can be tolerated, and the stacking efficiency can be improved.

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

In one embodiment, the third module 40 has a sixth fixing hole (not labeled) disposed on the third front wall 413. When the second connecting portion 3121 partially passes through the seventh hole 4113, the third through hole 31211 may be butted against the sixth fixing hole, and at this time, the first fastening member 32 may partially pass through the third through hole 31211 and connect with the sixth fixing hole, so that the second connecting portion 3121 is fixedly connected with the third module 40. And, at this time, the two third fasteners 34 fixedly connect the first portion 311 to the second module 20, so that the second module 20 and the third module 40 are fixedly connected together.

In an embodiment, the third die set 40 is provided with two sixth fixing holes, the two sixth fixing holes are arranged at intervals along the third direction Y, and the two sixth fixing holes correspond to the two third through holes 31211 on the two second connecting portions 3121, respectively.

Optionally, the sixth fixing hole has an internal thread.

In one embodiment, the third module 40 further includes a third structural member 418, the third structural member 418 is disposed on the third front wall 413, and the sixth fixing hole is disposed on the third structural member 418. The sixth fixing hole is formed in the third structural member 418, and then the third structural member 418 is connected to the third front wall 413, so that the processing difficulty can be reduced, and the processing and manufacturing costs can be saved.

In an embodiment, after the third module 40 is stacked on the second module 20, the first structural member 31 is moved along the first direction Z, so that the second portion 312 of the first structural member 31 is connected and fixed with the third module 40, the first portion 311 is connected and fixed with the second module 20, and then the third module 40 and the second module 20 are fixedly connected together, so that the installation and the disassembly are convenient and fast, and the working efficiency can be improved.

In an embodiment, the first structural member 31 is fixedly connected to the second module 20, the second portion 312 protrudes from the second top wall surface 2141 of the second module 20, and then the third module 40 is stacked on the second module 20, such that the second portion 312 is fixedly connected to the third module 40, the first portion 311 is fixedly connected to the second module 20, and then the third module 40 and the second module 20 are fixedly connected together.

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 to the base module 60.

In an embodiment, the first bottom wall 115 has the same structure as the second bottom wall 215, the base module 60 is provided with a second connecting portion 3121 and a first guiding portion 3122 extending upward along the first direction Z, and the first bottom wall 115 is fixed to the second connecting portion 3121 and the first guiding portion 3122 in the same manner as the second bottom wall 215 is fixed to the second connecting portion 3121 and the first guiding portion 3122, which will not be described again.

In an 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 disposed at intervals along the second direction X, wherein one set of first structural components 30 is disposed on the first front wall 112, and the other set of first structural components 30 is disposed on the first rear wall 113. The two first structural assemblies 30 connect and fix the first module 10 and the second module 20, so as to improve the stability of 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 disposed at intervals along the second direction X, wherein one set of first structural components 30 is disposed on the second front wall 212, and the other set of first structural components 30 is disposed on the second rear wall 213. The two first structural assemblies 30 connect and fix the second module 20 and the third module 40, so as to improve the stability of connection and fixation.

As shown in fig. 29, in an embodiment, the first housing 11 is formed with a first housing recess 117, the first top wall 114, the first bottom wall 115, the first left side wall 118 and the first right side wall 119 extend and protrude from the first front wall 112, the portion of the first top wall 114, the first bottom wall 115, the first left side wall 118 and the first right side wall 119 protruding from the first front wall 112 and the first front wall 112 enclose the first housing recess 117, and the first front wall 112 forms a bottom wall of the first housing recess 117.

In an embodiment, the battery system 100 further includes a first protection member 51, the first protection member 51 is at least partially disposed in the first housing recess 117, the first protection member 51 shields and protects a portion of the first structural component 30, and a first portion 311 of the first structural component 31 connecting the first module 10 and the second module 20 is located between the first protection member 51 and the first front wall 112. The first protection member 51 can protect the components mounted on the first front wall 112, and reduce the risk of damage caused by falling or impact from a foreign object.

In an embodiment, the second housing 21 is formed with a second housing recess 217, 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 to protrude from the second front wall 212, a portion of the second top wall 214, the second bottom wall 215, the second left side wall 218, and the second right side wall 219 protruding from the second front wall 212 and the second front wall 212 enclose the second housing recess 217, and the second front wall 212 forms a bottom wall of the second housing recess 217.

In an embodiment, the battery system 100 further includes a second protection member 52, the second protection member 52 is at least partially disposed in the second housing recess 217, the second protection member 52 shields and protects a portion of the first structural component 30, and a second portion 312 of the first structural component 31 connecting the first module 10 and the second module 20 is located between the first protection member 51 and the first front wall 112. The second shielding member 52 can protect the components mounted on the second front wall 212, and reduce the risk of damage caused by dropping or impact from a foreign object.

In an embodiment, the third housing 41 is formed with a third housing recess 42, the third top wall 412, the third bottom wall 411, the third left side wall 415 and the third right side wall 416 extend to protrude from the third front wall 413, the portion of the third top wall 412, the third bottom wall 411, the third left side wall 415 and the third right side wall 416 protruding from the third front wall 413 and the third front wall 413 are enclosed to form the third housing recess 42, and the third front wall 413 forms a bottom wall of the third housing recess 42.

In one embodiment, the battery system 100 further includes a third prevention piece 53, and the third prevention piece 53 is at least partially disposed in the third housing recess 42. The third protection piece 53 can play a role in protection, and protects the component to be arranged on the third front wall 413, thereby reducing the risk of damage caused by falling or foreign object impact.

The embodiment of the present application further provides an electric device, which includes the battery system 100 according to any one of the above embodiments.

In summary, the battery system 100 can improve the assembly and disassembly efficiency by connecting and fixing the first module 10 and the second module 20 by the first structural assembly 30 that is movable relative to the first module 10.

In addition, other changes may be made by those skilled in the art within the spirit of the present disclosure, and it is understood that all changes that come within the spirit of the disclosure are to be embraced therein.

Claims (23)

1. A battery system, comprising:

a first module;

the second module and the first module are stacked along a first direction;

a first structural assembly comprising a first portion and a second portion interconnected, the first portion for securing with the first die set and the second portion for securing with the second die set;

the first structural assembly moves in the first direction and in a direction opposite to the first direction, the first structural assembly being movable relative to the first module to connect or disconnect the second portion to or from the second module.

2. The battery system of claim 1,

the first portion is provided with a first through hole through which the first structural component is movable relative to the first die set in the first direction and in a direction opposite to the first direction.

3. The battery system of claim 2, wherein the first module is provided with a first retaining member, the first retaining member being partially disposed in the first through hole.

4. The battery system of claim 2,

the first part is also provided with a second through hole, the second through hole is communicated with the first through hole, and the second through hole is positioned on one side of the first through hole when observed along the first direction.

5. The battery system according to claim 4, wherein the second through-hole is located between both ends of the first through-hole in the first direction, as viewed in a second direction perpendicular to the first direction.

6. The battery system of claim 1, wherein the second portion comprises a second connection portion for fixedly connecting to the second module.

7. The battery system of claim 6,

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

the second module is provided with a second fixing hole;

the first structural assembly further comprises a first fastener, the first fastener partially penetrates through the third through hole and is connected with the second fixing hole, and the first fastener is fixedly connected with the second connecting portion and the second module.

8. The battery system of claim 6,

the first module comprises a first shell, the first shell comprises a first top wall and a first front wall connected to the first top wall, the first top wall and the second module are oppositely arranged along the first direction, the first top wall extends to protrude out of the first front wall along a second direction perpendicular to the first direction, a first hole is formed in the part, protruding out of the first front wall, of the first top wall, and the second connecting portion penetrates through the first hole.

9. The battery system of claim 8,

a third hole is formed in the part, extending out of the first front wall, of the first top wall; the second portion includes a first guide portion passing through the third aperture.

10. The battery system of claim 6,

the second module comprises a second shell, the second shell comprises a second bottom wall and a second front wall connected with the second bottom wall, the second bottom wall and the first module are oppositely arranged along the first direction, the second bottom wall extends to protrude out of the second front wall along the second direction perpendicular to the first direction, a second hole is formed in the part, protruding out of the second front wall, of the second bottom wall, and the second connecting portion penetrates through the second hole.

11. The battery system of claim 10,

a fourth hole is formed in the part, protruding out of the second front wall, of the second bottom wall in an extending mode; the second portion includes a first guide passing through the fourth aperture.

12. The battery system of claim 6,

the end of the second connecting part far away from the first part is provided with a first guide surface which is obliquely arranged relative to the first direction.

13. The battery system according to any one of claims 1 to 12,

the first module is provided with a first fixing hole;

the first structural assembly further comprises a second fastener;

along a second direction perpendicular to the first direction, when the projection of the second part is positioned in the projection of the first module, the second fastening piece can penetrate through the first part and is connected with the first fixing hole.

14. The battery system of claim 13,

the first part is provided with a fourth through hole;

the first module is provided with a third fixing hole;

the first structural assembly further comprises a third fastener;

when the second part is connected with the second module, the third fastener part penetrates through the fourth through hole and is connected with the third fixing hole.

15. The battery system of claim 13,

in the first direction, the first die set includes a first top wall surface opposite the second die set, the second die set includes a second bottom wall surface opposite the first die set;

one of the first top wall surface and the second bottom wall surface is provided with a first concave portion, and the other of the first top wall surface and the second bottom wall surface is provided with a first convex portion, and the first convex portion is received in the first concave portion.

16. The battery system of claim 15, wherein a length of the first protrusion is less than a length of the second portion along the first direction.

17. The battery system of claim 13,

in the first direction, the first die set includes a first top wall surface opposite the second die set, the second die set includes a second bottom wall surface opposite the first die set;

the first module is provided with a first connecting piece, the first connecting piece is arranged on the surface of the first top wall, and the first connecting piece protrudes out of the surface of the first top wall along the first direction;

the second module is provided with a second connecting piece, and the second connecting piece is connected to the first connecting piece.

18. The battery system of claim 17, wherein the first module is further provided with a first seal member disposed on the first top wall surface around the first connector;

in the first direction, the first sealing member abuts against the second bottom wall surface, and the first sealing member is in a compressed state.

19. The battery system of claim 13,

the first module comprises a first shell, a first shell concave part is formed on the first shell, and the first part is accommodated in the first shell concave part; and/or

The second module comprises a second shell, a second shell concave part is formed on the second shell, and the second part is accommodated in the second shell concave part.

20. The battery system of claim 19, wherein the battery system further comprises:

a first shielding member at least partially disposed within the first housing recess, the first portion disposed between the first shielding member and the first housing in a second direction perpendicular to the first direction; and/or

A second guard disposed at least partially within the second housing recess, the second portion being disposed between the second guard and the second housing in the second direction.

21. The battery system of claim 13, wherein at least one of the first module and the second module comprises a battery module.

22. The battery system of claim 13,

the battery system further comprises a third module;

at least two first structural assemblies are arranged, and adjacent two of the first module, the second module and the third module are fixedly connected through the first structural assemblies.

23. An electric device characterized by comprising the battery system according to any one of claims 1 to 22.

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