CN119812805A - Integrated plug-in components and energy storage system - Google Patents

Abstract

The present application discloses an integrated plug-in component and an energy storage system. The integrated plug-in component is pluggable and arranged in an electric module, including: a board body and an electrical connection component. The electrical connection component is arranged in the board body. The electrical connection component includes: a positive male plug, a negative male plug and a connection part. The positive male plug and the negative male plug are respectively suitable for electrical connection with the positive and negative poles of the electric module. The connection part is used for electrical connection with the outside. Therefore, by integrating the electrical connection component in the board body, while completing the assembly of the integrated plug-in component on the electric module, the electrical connection between the electric module and the electrical connection component can be achieved, reducing the difficulty of wiring, so as to reduce the probability of error, improve safety and reliability, and the electrical connection between the electric module and the outside can be achieved through the connection part, which can reduce the difficulty of electrical connection between the electric module and the outside and improve the convenience of use.

Description

Integrated plug-in component and energy storage system

Technical Field

The invention relates to the technical field of energy storage, in particular to an integrated plug-in component and an energy storage system.

Background

In the related art, after a plurality of electric modules of the energy storage system are stacked, electric connection is realized by adopting a connector and a wire harness outside, and a protective cover is further arranged for shielding and protection.

However, the technical scheme that the connector is added with the wire bundle to realize electric connection is that the wire bundle is bundled, the wire is locked with the protective cover, the wiring is multiple, the wiring difficulty is high, the error rate is high, the change difficulty between the series energy storage and the parallel energy storage is high, the connector and other structures are required to be rearranged, the error probability is higher, and the system failure is easy to be caused, and potential safety hazards such as thermal runaway risks exist.

Disclosure of Invention

The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention aims to provide an integrated plug-in component and an energy storage system, wherein the energy storage system has the advantages of simple wire harness structure, low wiring difficulty, low error rate, lower difficulty in changing between a series structure and a parallel structure, low system failure probability and small potential safety hazard.

In a first aspect, an embodiment of the present application provides an integrated plug-in unit, where the integrated plug-in unit is configured to be pluggable to an electrical module, and the integrated plug-in unit includes a board body and an electrical connection assembly, where the electrical connection assembly is configured to the board body, and the electrical connection assembly includes a positive male plug, a negative male plug, and a connection portion, where the positive male plug and the negative male plug are respectively adapted to be electrically connected to a positive and a negative of the electrical module, and the connection portion is used to be electrically connected to an external device.

According to the integrated plug-in unit provided by the embodiment of the application, the electric connection between the electric module and the electric connection component can be realized while the assembly of the integrated plug-in unit on the electric module is completed by integrating the electric connection component in the board body, so that the wiring difficulty is reduced, the error probability is reduced, the safety and the reliability are improved, the electric connection between the electric module and the outside can be realized through the connection part, the electric connection difficulty between the electric module and the outside can be reduced, and the use convenience is improved.

According to some embodiments of the application, the electrical module has a positive female plug and a negative female plug, the positive male plug being adapted to be electrically connected with the positive female plug and the negative male plug being adapted to be electrically connected with the negative female plug.

Further, the positive electrode male plug and the negative electrode male plug both comprise a male plug body and a male plug conductor, the positive electrode female plug and the negative electrode female plug both comprise a female plug body and a female plug conductor, the male plug body is in plug fit with the female plug body, and the male plug conductor is electrically connected with the female plug conductor.

Further, the male plug body is provided with a containing cavity, the male plug conductor is arranged in the containing cavity, and one end of the containing cavity is opened to be used for electrically connecting the female plug conductor to extend into the containing cavity and electrically connected with the male plug conductor.

Further, the male plug body and/or the female plug body are/is provided with clamping plates which are oppositely arranged and have elasticity, a clamping space is defined between the two clamping plates, and the female plug conductor and the male plug conductor are in the clamping space and are suitable for being attached under the elastic pushing of the clamping plates so as to be electrically connected.

Further, the male plug body is further provided with a connecting plate, and one end, away from the male plug body, of the female plug body is provided with a limiting part matched with the connecting plate.

Further, a sealing element is further arranged on the female plug body, and is suitable for being matched with the accommodating cavity and sealing the accommodating cavity.

According to some embodiments of the application, the electrical module has a harness female plug, a signal harness is disposed within the integrated plug, and the signal harness is in signal connection with the harness female plug.

In some embodiments, at least a portion of the connection is connected to the positive or negative male plug and the positive or negative male plug is located on an end or intermediate region of the connection, and at least one end of the connection is configured as a terminal for electrical connection with an external plug-in mating.

The lead-out end further comprises a contact part and a first cover body surrounding the contact part, wherein a through hole is formed in the first cover body and is suitable for being in plug-in fit with the outside through the through hole, and the lead-out end is electrically connected with the outside through the contact part.

According to some embodiments of the application, the board is formed as a circuit board, the connection, the positive male plug and the negative male plug are integrated to the circuit board, or the board is formed as a protective cover of the electrical module, the connection, the positive male plug and the negative male plug are arranged to the protective cover.

In a second aspect, the application provides an energy storage system, which comprises an electric module and an integrated plug-in component, wherein the integrated plug-in component is constructed as a series plug-in component or a parallel plug-in component, the series plug-in component and the parallel plug-in component are alternatively arranged and are arranged at the end part of the electric module, and the positive pole male plug and the negative pole male plug of the integrated plug-in component are respectively suitable for being electrically connected with the positive pole female plug and the negative pole female plug of the electric module.

According to some embodiments of the application, the plurality of electric modules are stacked along a first direction, wherein the series plug piece is selectively arranged on the electric modules, the series plug piece is provided with a first positive pole male plug and a first negative pole male plug, adjacent electric modules or span electric modules, the first positive pole male plug of one series plug piece is electrically connected with the first negative pole male plug of the other series plug piece through the connecting part, so that the plurality of electric modules are connected in series, or the parallel plug piece is selectively arranged on the electric modules, the parallel plug piece is provided with a second positive pole male plug and a second negative pole male plug, adjacent electric modules or span electric modules, the second positive pole male plug of one parallel plug piece is electrically connected with the first negative pole male plug of the other series plug piece through the connecting part, and the second positive pole male plug of the other parallel plug piece is electrically connected with the second positive pole male plug of the other parallel plug piece through the connecting part.

Further, the leading-out end of the first positive male connection part of the serial plug at the end part is electrically connected with the leading-out end of the first negative male connection part through a serial protective sleeve.

Further, a parallel protection sleeve is arranged on the leading-out end of the connecting part of the second positive pole male plug and the second negative pole male plug of the parallel plug piece positioned at the end part.

Further, the energy storage system further comprises a decorative protection cover, wherein the serial plug-in component or the parallel plug-in component is arranged on one side of the electric module, and the decorative protection cover is arranged on the other side of the electric module.

Further, the energy storage system further comprises a base, wherein the base is arranged at one end of the energy storage system in the first direction and is fixed with the electric module.

Further, the electrical module is configured as a battery pack, or the battery pack is integrated with a control box, or the power transformer.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic diagram of an energy storage system according to an embodiment of the present application;

FIG. 2 is an exploded schematic view of an energy storage system according to an embodiment of the present application;

FIG. 3 is a schematic diagram of the mating of a plurality of electrical modules and a chassis according to an embodiment of the present application;

FIG. 4 is a schematic diagram of a positive or negative female plug according to an embodiment of the present application;

FIG. 5 is a schematic diagram of a positive or negative male plug according to an embodiment of the present application;

FIG. 6 is a schematic diagram of an outgoing male end according to an embodiment of the present application;

FIG. 7 is a schematic view of a pigtail according to an embodiment of the present application;

FIG. 8 is a schematic view of a first upper shield according to an embodiment of the present application;

FIG. 9 is a schematic view of a first intermediate shield according to an embodiment of the present application;

FIG. 10 is a schematic view of a first bottom shield according to an embodiment of the present application;

FIG. 11 is a schematic view of a second upper shield according to an embodiment of the present application;

FIG. 12 is a schematic view of a second intermediate shield according to an embodiment of the present application;

FIG. 13 is a schematic view of a second bottom shield according to an embodiment of the application.

Reference numerals:

The energy storage system 100 is configured to store energy,

The plug-in unit 1 is integrated with the plug-in unit,

An electrical module 10, a first electrical module 101, a second electrical module 102, a third electrical module 103, a positive female plug 11, a negative female plug 12, a harness female plug 13,

A series plug 20, a first positive male plug 201, a first negative male plug 202, a first upper shield 21, a first middle shield 22, a first lower shield 23,

A parallel plug 30, a second positive male plug 301, a second negative male plug 302, a second upper shield 31, a second middle shield 32, a second lower shield 33,

Connection portion 40, lead-out terminal 41, contact portion 411, first housing 412,

The signal harness 50, the decorative shield 60, the base 70, the series guard 80, the parallel guard 90,

Female body 401, female conductor 402, male body 501, male conductor 502, clamping plate 601, connecting plate 602, limiting part 603, and sealing member 604.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

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 terms used in the description of this application in this application are for the purpose of describing particular embodiments only and are not intended to be limiting of the application, and the terms "comprising" and "having" and any variations thereof in the description of this application and the claims and the above description of the drawings are intended to cover non-exclusive inclusions. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a particular sequential or chronological order.

Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "attached" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, directly connected, indirectly connected through an intermediary, or may be in communication with the interior of two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

The term "and/or" in the present application is merely an association relation describing the association object, and indicates that three kinds of relations may exist, for example, a female plug body positive electrode male plug and/or a negative electrode male plug of a female plug conductor may indicate that there is a female plug body positive electrode male plug alone, and there is a female plug body positive electrode male plug and a negative electrode male plug simultaneously, and there is a negative electrode male plug alone. In the present application, the character "/" generally indicates that the front and rear related objects are an or relationship.

In the embodiments of the present application, the same reference numerals denote the same components, and detailed descriptions of the same components are omitted in different embodiments for the sake of brevity. It should be understood that the thickness, length, width, etc. dimensions of the various components in the embodiments of the application shown in the drawings, as well as the overall thickness, length, width, etc. dimensions of the integrated device, are merely illustrative and should not be construed as limiting the application in any way.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

In the description of the invention, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by another feature therebetween.

In the description of the invention, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature.

The term "plurality" as used herein refers to two or more (including two).

The integrated plug-in 1 and the energy storage system 100 according to an embodiment of the present invention are described below with reference to fig. 1-13.

As shown in fig. 1. According to the integrated plug-in unit 1 of the embodiment of the application, the integrated plug-in unit 1 is pluggable and arranged on the electric module 10, and comprises a plate body and an electric connection assembly, wherein the electric connection assembly is arranged on the plate body and comprises a positive male plug, a negative male plug and a connection part 40, the positive male plug and the negative male plug are respectively suitable for being electrically connected with the positive pole and the negative pole of the electric module 10, and the connection part 40 is used for being electrically connected with the outside.

It can be appreciated that the electrical module 10 of the prior art mainly uses a separate connector to draw out electrical connection, uses a wire harness to connect and wire the wires, and then locks the protective cover. The method has the advantages that the operation on the installation site is complex, the wiring is too much and easy to be in error, if the two connectors are needed for leading out the positive and negative power of each battery module in the parallel connection structure, the external wiring structure cannot be realized when the parallel connection is changed into the series connection, the shell structure is required to be redesigned, the connectors and the wire harness structure are rearranged, if the original connectors are used for wiring in the parallel connection and the series connection, the error is easy to cause the system failure under the condition that the structure is not changed, the thermal runaway risk can occur seriously, meanwhile, the prior art can be used for using the power terminal structure in a multi-purpose mode in the parallel connection structure and adopting the external wiring mode, the cost is high, meanwhile, the panel space is occupied, the operation is inconvenient or the energy ratio is reduced under the condition of increasing the panel.

Based on this, the present application proposes an integrated plug-in unit 1, in which an electrical connection assembly is integrated in a board body, and the board body may be formed as a decorative board at one end or one side of an electrical module 10, so that the electrical connection between the electrical connection assembly and the electrical module 10 can be achieved while the assembly of the integrated plug-in unit 1 on the electrical module 10 is completed, and the electrical connection between the electrical module 10 and the outside can be achieved through a connection portion 40 of the electrical connection assembly.

It should be noted that the electrical connection between the electrical module 10 and the outside may be to use the connection portion 40 as an output terminal to transfer the electrical energy of the electrical module 10 to the outside, that is, to connect the load through the electrical connection portion 40, or to connect the electrical module 10 in series or in parallel with other surrounding electrical modules 10 through the connection portion 40.

According to the integrated plug-in unit 1 of the embodiment of the application, by integrating the electric connection assembly in the board body, the electric connection between the electric module 10 and the electric connection assembly can be realized while the assembly of the integrated plug-in unit 1 on the electric module 10 is completed, the wiring difficulty is reduced, the error probability is reduced, the safety and the reliability are improved, the electric connection between the electric module 10 and the outside can be realized through the connection part 40, the electric connection difficulty between the electric module 10 and the outside can be reduced, and the use convenience is improved.

According to some embodiments of the application, the electrical module 10 has a positive female plug 11 and a negative female plug 12, the positive male plug being adapted to be electrically connected with the positive female plug 11 and the negative male plug being adapted to be electrically connected with the negative female plug 12.

That is, the electric module 10 and the electric connection assembly are electrically connected in a plug-in manner of female plug and male plug, and female plug is formed on the electric module 10, and the male plug on the electric connection assembly is plugged in the female plug and electrically connected in the assembly direction in the process of assembling the electric module 10, so that the stability and reliability of electric connection can be improved, the conversion difficulty of electric connection between the electric connection assembly and the electric module 10 can be reduced, and the assembly convenience can be improved.

As shown in fig. 4 and 5, the positive male plug and the negative male plug each comprise a male plug body 501 and a male plug conductor 502, and the positive female plug 11 and the negative female plug 12 each comprise a female plug body 401 and a female plug conductor 402, wherein the male plug body 501 is in plug fit with the female plug body 401, and the male plug conductor 502 is electrically connected with the female plug conductor 402.

Specifically, the male plug body 501 or the female plug body 401 is provided with the clamping plates 601, the clamping plates 601 have elasticity and are oppositely arranged, a clamping space is defined between the two clamping plates 601, the male plug conductor 502 and the female plug conductor 402 can be in contact fit in the clamping space, and the male plug conductor 502 and the female plug conductor 402 can be clamped by the clamping plates 601, namely, the two clamping plates are elastically pushed to be in fit electrical connection.

Thus, the electrical connection stability between the electrical connection component and the electrical module 10 can be improved, the probability of poor contact can be reduced, and the safety can be improved.

Furthermore, a connection board 602 is provided on the male plug body 501, the connection board 602 is located at an end of the male plug body 501 facing the female plug body 401, and a limit portion 603 engaged with the connection board 602 is provided at an end of the female plug body 401 away from the male plug body 501.

That is, the end of the connection board 602 may be provided with a buckle, or be provided with a clamping hole, and the corresponding limiting portion 603 is formed into a clamping slot or buckle, so as to realize stable and reliable connection between the male plug and the female plug through the clamping cooperation of the connection board 602 and the limiting portion 603, thereby further improving connection stability and reliability.

As shown in fig. 4 and 5, the female plug body 401 is provided with a seal 604 to sealingly engage the male plug body 501.

Thus, a sealing fit between the male plug and the female plug may be achieved through the seal 604, improving tightness, reducing the probability of an open circuit or short circuit, and improving the safety and reliability of the energy storage system 100.

It should be noted that at least part of the connection 40 is connected to a positive or negative male plug, which is located on an end or middle region of the connection 40, and at least one end of the connection 40 is configured as a terminal 41, the terminal 41 being intended for an electrical connection with an external plug-in connection.

That is, both ends of a part of the connection part 40 are formed as the lead-out terminals 41 so as to be electrically connected across the electric module 10, one end of a part of the connection terminal is connected with the negative electrode male plug or the positive electrode male plug, and the other end is formed as the lead-out terminal 41 so that the lead-out terminal 41 is connected with the outside, and in an embodiment in which the connection part 40 has two lead-out terminals 41, one lead-out terminal 41 is configured as the lead-out male terminal, one lead-out terminal 41 is configured as the lead-out female terminal, and the lead-out male terminal of the connection part 40 can be in plug-in fit with the lead-out female terminal of the other connection part 40.

As shown in fig. 6 and 7, the male lead-out terminal further includes a contact portion 411 and a first cover 412 surrounding the contact portion 411, a via hole is provided on the first cover 412, and the female lead-out terminal passes through the via hole and contacts with the contact portion 411 to be electrically connected.

Specifically, the contact portion 411 is adapted to be electrically connected to the lead-out female terminal, the lead-out female terminal is configured as an exposed terminal on the connection portion 40, the first cover 412 may be configured as a plastic cladding structure, and formed as a plastic groove, the groove is formed as a receiving cavity, the contact portion 411 is electrically connected to the lead-out female terminal, and the plastic groove may elastically cladding the lead-out female terminal and the contact portion 411, so as to improve stability and reliability of contact electrical connection.

Further, the board is formed into a circuit board, the connection portion 40, the positive male plug and the negative male plug are integrated on the circuit board, or the board is formed into a protective cover of the electric module 10, and the connection portion 40, the positive male plug and the negative male plug are disposed on the protective cover.

That is, in some embodiments, the integrated plug-in unit 1 is configured as a circuit board, and the circuit board can be quickly detached from the electrical module 10, so as to improve the convenience of detachment, reduce the maintenance difficulty, and in other embodiments, the board is formed into a protective cover, and the electrical connection assembly can be integrated into the protective cover, so that the assembly difficulty can be reduced, and the protection of the electrical connection between the electrical connection assembly and the electrical module 10 can be realized, so that the safety and reliability are further improved.

As shown in fig. 1,2 and 3, the energy storage system 100 according to the embodiment of the application includes an electrical module 10 and an integrated plug-in unit 1, wherein the integrated plug-in unit 1 is configured as a serial plug-in unit 20 or a parallel plug-in unit 30, the serial plug-in unit 20 and the parallel plug-in unit 30 are alternatively arranged and are arranged at the end of the electrical module 10, and the positive male plug and the negative male plug of the integrated plug-in unit 1 are respectively suitable for being electrically connected with the positive female plug 11 and the negative female plug 12 of the electrical module 10.

Thus, the electrical module 10 can be connected in series or in parallel with other external electrical modules 10 by selecting the serial plug-in 20 or the parallel plug-in 30.

Further, the plurality of electrical modules 10 are stacked along the first direction, and the serial plug 20 is selectively disposed on the electrical modules 10 and adapted to connect the plurality of electrical modules 10 in series, and the parallel plug 30 is selectively disposed on the electrical modules 10 and adapted to connect the plurality of electrical modules 10 in parallel.

It should be noted that the first direction may be any one of a height direction, a length direction, or a width direction, and the present application is not particularly limited.

It can be appreciated that the defects of the prior art are mainly that the protection cover is locked after the independent connectors are independently arranged to lead out electric connection, the wire harness connection and the wiring binding. The method has the advantages that the operation on the installation site is complex, the wiring is too much and easy to be in error, if the two connectors are needed for leading out the positive and negative power of each battery module in the parallel connection structure, the external wiring structure cannot be realized when the parallel connection is changed into the series connection, the shell structure is required to be redesigned, the connectors and the wire harness structure are rearranged, if the original connectors are used for wiring in the parallel connection and the series connection, the error is easy to cause the system failure under the condition that the structure is not changed, the thermal runaway risk can occur seriously, meanwhile, the prior art can be used for using the power terminal structure in a multi-purpose mode in the parallel connection structure and adopting the external wiring mode, the cost is high, meanwhile, the panel space is occupied, the operation is inconvenient or the energy ratio is reduced under the condition of increasing the panel.

Based on this, the present application stacks a plurality of electric modules 10 in a first direction, and when the energy storage system 100 is constructed in a serial structure, the plurality of electric modules 10 may be electrically connected through the serial plug-in unit 20, and when the energy storage system 100 is constructed in a parallel structure, the plurality of electric modules 10 may be electrically connected through the parallel plug-in unit 30.

That is, the series plug 20 and the parallel plug 30 are alternatively arranged to construct the energy storage system 100 into a series structure or a parallel structure according to the usage requirement, a series harness structure for connecting the plurality of electric modules 10 in series may be integrated in the series plug 20, and a parallel harness structure for connecting the plurality of electric modules 10 in parallel may be integrated in the parallel plug 30.

Thus, the series connection or parallel connection of the plurality of electric modules 10 can be realized without separately arranged connectors, power terminals and the like, wiring binding is not needed, the operation of an installation site is simpler, the number of wiring harnesses is fewer, the wiring harness wiring is clearer, the wiring error probability can be reduced, the series structure energy storage system 100 and the parallel structure energy storage system 100 can respectively select the series connection plug-in components 20 to be mixed with the parallel connection plug-in components 30, the wiring error probability between the parallel connection and the series connection is not needed, the thermal runaway risk is also reduced, the number of connectors and the power terminals is reduced, the cost is reduced, the space occupation of the panel space of the energy storage system 100 is reduced, the operation convenience is improved, and the energy density of the energy storage system 100 is improved.

It is noted that the electrical module 10 may be configured as a battery pack, or the battery pack may be integrated with a control box, or a transformation box. That is, the energy storage system 100 may have one electric module 10, and the electric module 10 may have a battery pack, a control box, or a structure of integrating a battery pack and a power transformation box, etc. integrated therein, and the energy storage system 100 may also have a plurality of electric modules 10, wherein at least one electric module 10 is configured as a battery pack, one electric module 10 is configured as an integration of a battery pack and a control box, or at least one electric module 10 is configured as a battery pack, one electric module 10 is configured as a control box, and one is configured as a power transformation box.

Illustratively, the electrical module 10 includes a first electrical module 101, a second electrical module 102, and a third electrical module 103, the second electrical module 102 is disposed on the first electrical module 101 in a stacked manner along a first direction, the third electrical module 103 is disposed on the first electrical module 101 in a stacked manner along the first direction, and the energy storage system 100 is configured in a series configuration, the series plug 20 includes a first bottom layer shield 23 disposed on the first electrical module 101, a first middle shield 22 disposed on the second electrical module 102, and a first top layer shield 21 disposed on the third electrical module 103, or the energy storage system 100 is configured in a parallel configuration, and the parallel plug 30 includes a second bottom layer shield 33 disposed on the first electrical module 101, a second middle shield 32 disposed on the second electrical module 102, and a second top layer shield 31 disposed on the third electrical module 103.

Wherein the first electric module 101 is configured as a battery pack, the second electric module 102 is also configured as a battery pack, and the third electric module 103 is configured as a battery pack integrated with a control box, or the third electric module 103 is configured as a control box, while the first bottom shield 23, the first middle shield 22 and the first top shield 21 realize serial electric connection of the three electric modules 10, or the second bottom shield 33, the second middle shield 32 and the second top shield 31 realize parallel electric connection of the three electric modules 10.

It should be noted that, when the parallel structure needs to be switched into the serial structure, the serial plug-in units 20 can be changed into the parallel plug-in units 30 to realize quick change, and of course, the internal parts of the plurality of electric modules 10 need to be compatible with serial-parallel switching or to be updated and designed with internal functions, without redesigning the shell, the protective cover and external wiring of the electric modules 10, the lead-out terminals 41 (female plug) on the electric modules 10 can be arranged according to design needs, and can be standardized for use after design shaping, the wiring is simple, wiring and binding are not needed, error prevention can be effectively realized, error probability is reduced, probability of thermal runaway and failure of the energy storage system 100 is reduced, safety is improved, and wiring and binding time is saved.

It can be appreciated that the adjacent electric modules 10 can be quickly disassembled through the structures such as the plugging structure, the clamping structure or the interlocking piece, so as to further reduce the assembly difficulty and improve the assembly efficiency and the use convenience of the energy storage system 100.

According to the energy storage system 100 of the embodiment of the application, the series plug-in units 20 and the parallel plug-in units 30 are arranged, and the series plug-in units 20 and the parallel plug-in units 30 are alternatively arranged, so that rapid change can be realized between the parallel structure and the series structure, a protective cover and an external wire harness are not required to be redesigned, standardized use can be performed, wiring and binding are not required to be independently arranged, the assembly efficiency can be improved, errors can be effectively prevented, and the working stability and the safety of the energy storage system 100 are improved.

As shown in fig. 3, according to some embodiments of the application, the electrical module 10 has a positive female plug 11 and a negative female plug 12, and the series plug 20 and the parallel plug 30 each have a positive male plug adapted to be electrically connected with the positive female plug 11 and a negative male plug adapted to be electrically connected with the negative female plug 12.

That is, the serial plug 20 and the parallel plug 30 are integrated with a positive male plug and a negative male plug, the positive male plug is electrically connected with the positive female plug 11, and the negative male plug is electrically connected with the negative female plug 12, so that each electric module 10 can be connected in series with other electric modules 10 in the energy storage system 100 through the corresponding serial plug 20, or can be connected in parallel with other electric modules 10 in the energy storage system 100 through the parallel plug 30.

Illustratively, the first electrical module 101 has a bottom positive female plug and a bottom negative female plug, the second electrical module 102 has a middle positive female plug and a middle negative female plug, the third electrical module 103 has a top positive female plug and a top negative female plug, the serial plug 20 is adapted to electrically connect the bottom positive female plug, the bottom negative female plug, the middle positive female plug, the middle negative female plug, the top positive female plug and the top negative female plug in sequence through the positive male plug and the negative male plug therein, and the parallel plug 30 is adapted to electrically connect the bottom positive female plug, the middle positive female plug and the top positive female plug, the bottom negative female plug, the middle negative female plug and the top negative female plug through the positive male plug and the negative male plug therein.

From this, through directly drawing forth anodal female inserting 11 and the female inserting 12 of negative pole in electric module 10, set up the public inserting of anodal that corresponds in the protection casing and public inserting of negative pole, can realize series connection or parallel connection, the installation convenience is higher, and the pencil is less, and the wiring degree of difficulty is lower, and the probability of making mistakes is lower, and energy storage system 100's job stabilization nature and reliability are higher.

As shown in fig. 8, 9 and 10, further, the serial plug 20 has a first positive male plug 201 and a first negative male plug 202, the first positive male plug 201 is electrically connected with the positive female plug 11, the first negative male plug 202 is electrically connected with the negative female plug 12, and between adjacent electric modules 10 or between the span electric modules 10, the first positive male plug 201 of one serial plug 20 is electrically connected with the first negative male plug 202 of another serial plug 20 through the connection portion 40, and the first positive male plug 201 of one serial plug 20 is electrically connected with the first negative male plug 202 of another serial plug 20 through the connection portion 40.

That is, among the plurality of serial plug members 20, the first positive electrode male plug 201 of the serial plug member 20 at the top end is electrically connected with the first negative electrode male plug 202 of the serial plug member 20 at the bottom end, and the first positive electrode male plug 201 of one of the adjacent serial plug members 20 is electrically connected with the first negative electrode male plug 202 of the other to achieve serial electrical connection.

Illustratively, the serial plug 20 includes a first bottom shield 23, a first middle shield 22, and a first top shield 21, a first positive male plug 201 of the first bottom shield 23 is connected to the positive female plug 11 of the first electrical module 101, a first negative male plug 202 is connected to the negative female plug 12 of the first electrical module 101, a first positive male plug 201 of the first middle shield 22 is connected to the positive female plug 11 of the second electrical module 102, a first negative male plug 202 is connected to the negative female plug 12 of the second electrical module 102, a first positive male plug 201 of the first top shield 21 is connected to the positive female plug 11 of the third electrical module 103, a first negative male plug 202 of the first top shield 21 is electrically connected to the first negative male plug 202 of the first bottom shield 23, a first positive male plug 201 of the first middle shield 23 is electrically connected to the first negative male plug 202 of the first middle shield 22, and a first positive male plug 201 of the first top shield 21 is electrically connected to the first positive male plug 202 of the first middle shield 103 of the first electrical module 103 and a first negative male plug 102 is connected to the first positive male plug 202 of the first top shield 101.

In this way, the first positive male plug 201 and the first negative male plug 202 integrally arranged in the serial plug 20 realize electrical connection among the plurality of electrical modules 10, so that the electrical connection difficulty is lower and the assembly efficiency is higher.

As shown in fig. 11, 12, and 13, in some embodiments the parallel plug 30 has a second positive male plug 301 and a second negative male plug 302, the second positive male plug 301 is electrically connected with the positive female plug 11, the second negative male plug 302 is electrically connected with the negative female plug 12, and the second positive male plug 301 of one parallel plug 30 is electrically connected with the second positive male plug 301 of another parallel plug 30, and the second negative male plug 302 of one parallel plug 30 is electrically connected with the second negative male plug 302 of another parallel plug 30 between adjacent electrical modules 10 or between electrical cross-modules 10.

That is, between the plurality of parallel plug-ins 30, the second positive electrode male plug 301 of one of the adjacent series plug-ins 20 is electrically connected with the second positive electrode male plug 301 of the other, and the second negative electrode male plug 302 of one is electrically connected with the second negative electrode male plug 302 of the other, so that the parallel electrical connection of the plurality of electrical modules 10 can be realized.

Illustratively, the parallel plug 30 includes a second bottom shield 33, a second middle shield 32, and a second top shield 31, the positive female plug 11 of the first electrical module 101 is electrically connected to the second positive male plug 301 of the second bottom shield 33, the negative female plug 12 is electrically connected to the second negative male plug 302 of the second bottom shield 33, the positive female plug 11 of the second electrical module 102 is electrically connected to the second positive male plug 301 of the second middle shield 32, the negative female plug 12 is electrically connected to the second negative male plug 302 of the second middle shield 32, the positive female plug 11 of the third electrical module 103 is electrically connected to the second positive male plug 301 of the second top shield 31, the negative female plug 12 is electrically connected to the second negative male plug 302 of the second top shield 31, the second positive male plug 301 of the second top shield 31 is electrically connected to the second positive male plug 301 of the second middle shield 32, the second positive male plug 301 of the second middle shield 32 is electrically connected to the second positive male plug 302 of the second bottom shield 33, and the second positive female plug 301 of the second middle shield 32 is electrically connected to the second positive male plug 302 of the second top shield 33, the second positive female plug 11 of the second top shield 103 is electrically connected to the second positive male plug 302 of the second top shield 32, and the second positive plug 302 of the second positive male plug 302 of the second top shield is electrically connected to the second positive male plug 302 of the second top shield 32.

In this way, the second positive male plug 301 and the second negative male plug 302 integrally arranged in the parallel plug 30 realize electrical connection between the plurality of electrical modules 10, so that the electrical connection difficulty is lower and the assembly efficiency is higher.

Referring to fig. 6 to 13, in some embodiments, different module electric modules 10 are electrically connected by a connection portion 40, two ends of the connection portion 40 are respectively provided with a male lead-out end and a female lead-out end, or one end is connected with a male positive plug or a male negative plug, the other end is provided with a female lead-out end, and between the two connected connection portions 40, the male lead-out end of one connection portion 40 is in plug-in fit with the female lead-out end of the other connection portion 40.

That is, the connection parts 40 are integrated in the serial plug 20 and the parallel plug 30, two ends of the connection parts 40 are respectively formed into an outgoing male end and an outgoing female end, or one end is connected with the positive male plug, the other end is provided with the outgoing female end, or one end is connected with the negative male plug, and the other end is provided with the outgoing female end, so that the serial connection or parallel connection of the plurality of electric modules 10 is realized through the connection parts 40 arranged in the serial plug 20 and the parallel plug 30, the wiring harness is fixed, the connection thought is clear, the probability of wiring errors is lower, and the stability and the reliability of the energy storage system 100 are higher.

As shown in fig. 8, 9 and 10, two connection parts 40 are disposed in the first top shield 21, which are respectively defined as a first wire harness and a second wire harness, one end of the first wire harness is connected to the positive male plug, the other end of the first wire harness extends downward to form a first end, one end of the second wire harness is connected to the negative male plug, the other end of the second wire harness extends downward to form a second end, three connection parts 40 are disposed in the first middle shield 22, which are respectively defined as a third wire harness, a fourth wire harness and a fifth wire harness, one end of the third wire harness is connected to the positive male plug, the other end of the third wire harness extends upward to form a third end, one end of the fourth wire harness is connected to the negative male plug, the other end of the fourth wire harness extends downward to form a fourth end, two ends of the fifth wire harness are respectively formed as a fifth end and a sixth end, one end of the sixth wire harness is connected to the positive male plug, one end of the other end of the sixth wire harness extends upward to form a seventh end, one end of the seventh wire harness is connected to the negative male plug, one end of the seventh wire harness is formed to the eighth end of the eighth end is formed to the eighth end of the fifth wire harness is formed to the eighth end of the fifth end.

Wherein it is defined to extend upwardly toward the first top shroud 21 and downwardly toward the first bottom shroud 23.

Further, the first end is connected to the fifth end, the sixth end is connected to the ninth end, the tenth end is connected to the eighth end, the seventh end is connected to the fourth end, and the third end is connected to the second end, so that the first electric module 101, the second electric module 102, and the third electric module 103 are connected in series.

Further, as shown in fig. 10, when the plurality of electric modules 10 are connected in series, the lead-out female terminal of the connection portion 40 electrically connected to the positive electrode male plug in the serial plug 20 located at one end in the first direction and the lead-out female terminal of the connection portion 40 electrically connected to the negative electrode male plug are connected through the serial protection sleeve 80.

That is, the energy storage system 100 of the serial structure has one end in the first direction as an output end, and the tenth and eighth ends in the other end are electrically connected through the serial plug 20, and can perform insulation protection and sealing protection (e.g., waterproof) through the serial plug 20, so as to improve the reliability and stability of the energy storage system 100.

Illustratively, when the first electrical module 101, the second electrical module 102 and the third electrical module 103 are connected in series, and the first electrical module 101 is a bottom module, the serial plug-in unit 20 is disposed in the first bottom shroud 23 corresponding to the first electrical module 101, so as to realize insulation and waterproof protection.

As shown in fig. 11, 12 and 13, two connection parts 40 are provided in the second top shield 31, respectively defined as a first wire harness and a second wire harness, one end of the first wire harness is connected with the positive electrode male plug, the other end forms a first end, one end of the second wire harness is connected with the negative electrode male plug, the other end forms a second end, four connection parts 40 are provided in the second middle shield 32, respectively defined as a third wire harness, a fourth wire harness, a fifth wire harness and a sixth wire harness, one end of the third wire harness is connected with the positive electrode male plug, the other end extends upward and forms a third end, one end of the fourth wire harness is connected with the negative electrode female line, the other end extends upward and forms a fourth end, one end of the fifth wire harness is connected with the positive electrode female line, the other end extends downward and forms the fifth end, the one end of the sixth pencil links to each other with the female row of anodal, the other end extends downward and forms the sixth end, can be provided with four connecting portions 40 in the second bottom cover 33, define respectively and be seven pencil, eighth pencil, ninth pencil and tenth pencil, the one end of seven pencil links to each other with the male row of anodal, the other end extends upward and forms the seventh end, the one end of eighth pencil links to each other with the female row of negative pole, the other end extends upward and forms the eighth end, the one end of ninth pencil links to each other with the female row of anodal, the other end extends downward and forms the ninth end, the one end of tenth pencil links to each other with the female row of anodal, the other end extends downward and forms the tenth end.

Wherein it is defined to extend upwardly toward the second top shroud 31 and downwardly toward the second bottom shroud 33.

Further, the first end is connected to the third end, the fifth end is connected to the seventh end, the ninth end is disconnected, the second end is connected to the fourth end, the sixth end is connected to the eighth end, and the tenth end is disconnected, so that the first electric module 101, the second electric module 102, and the third electric module 103 are connected in parallel.

It should be noted that, the ninth wire harness and the tenth wire harness may be disposed in the second bottom protection cover 33, and at this time, the second bottom protection cover 33 and the second middle protection cover 32 are consistent in structure, so that the generalized arrangement of at least part of the parallel plug members 30 may be realized, and for the reason of the capacity expansion of the subsequent parallel energy storage system 100, the ninth wire harness and the tenth wire harness may not be disposed in the second bottom protection cover 33, so that the usage amount of the wire harness may be reduced, the cost may be reduced, but the later capacity expansion of the energy storage system 100 is not facilitated.

As shown in fig. 13, further, when the electric modules 10 are connected in parallel, the parallel protection sleeve 90 is disposed on the leading-out female end of the connecting portion 40 where the second positive male plug 301 and the second negative male plug 302 are far from each other in the parallel plug 30 at one end in the first direction.

That is, the energy storage system 100 of the parallel structure has one end in the first direction as an output end, and the tenth and ninth ends in the other end achieve insulation protection and sealing protection (e.g., waterproof) through the parallel plug-in units 30, respectively, so as to improve the reliability and stability of the energy storage system 100.

For example, when the first electrical module 101, the second electrical module 102 and the third electrical module 103 are connected in series, and the first electrical module 101 is a bottom module, the parallel plug-in unit 30 is disposed in the second bottom shroud 33 corresponding to the first electrical module 101, so as to realize insulation and waterproof protection.

It should be noted that, the parallel plug-in units 30 and the serial plug-in units 20 are both made of insulating rubber materials, and metal pieces can be embedded in the serial plug-in units 20 to realize the electrical connection of two connection parts 40 electrically connected through the serial plug-in units 20 in a serial structure, the connection parts 40 can be in a conductor structure, and an insulating layer is coated on the connection parts to realize the insulation between the modules, and the end parts are exposed to facilitate the electrical connection.

Referring to fig. 8-13, in some embodiments, the electrical modules 10 each have a harness female plug 13, signal harnesses 50 are disposed in the serial plug 20 and the parallel plug 30, and the signal harnesses 50 are in signal connection with the signal female plug.

It should be noted that, the signal wire harness 50 is not required to be disposed at one end of the output end of the energy storage system 100 in the first direction, two ends of the signal wire harness 50 are provided with wire harness male plugs, one or more wire harness female plugs 13 on each electric module 10 can be provided, signal connection can be achieved between the plurality of electric modules 10 through the signal wire harness 50, only one wire harness female plug 13 is required to be disposed on the electric module 10 integrated with or formed into the controller, and only one wire harness female plug 13 can be disposed on the electric module 10 located at the end.

Illustratively, one harness female plug 13 is disposed on the first electric module 101, two harness female plugs 13 are disposed on the second electric module 102, one harness female plug 13 is disposed on the third electric module 103, the signal male plug of one end of the signal harness 50 in the first bottom cover 23 or the second bottom cover 33 is inserted into the harness female plug 13 of the first electric module 101, the other end of the signal harness 50 in the first middle cover 22 or the second middle cover 32 is inserted into one harness female plug 13 of the second electric module 102, one end of the signal harness 50 in the first middle cover 22 or the second middle cover 32 is inserted into the other harness female plug 13 of the second electric module 102, and the other end of the signal harness 50 is inserted into the harness female plug 13 of the third electric module 103, so that the electric signals of the first electric module 101, the second electric module 102 and the third electric module 103 are summarized into the integrated controller in the third electric module 103, and unified regulation of the energy storage system 100 is facilitated.

As shown in fig. 1 and 2, in some embodiments, the energy storage system 100 further includes a decorative shield 60, the series plug 20 or the parallel plug 30 being disposed on one side of the modular electrical module 10, the decorative shield 60 being disposed on the other side of the electrical module 10.

Accordingly, the arrangement of the decorative protection cover 60, the serial plug-in units 20 and the parallel plug-in units 30 can improve the aesthetic property of the energy storage system 100 and make the structural strength of the energy storage system 100 higher.

It should be noted that the sizes of the plurality of electrical modules 10 may be the same or different, and the sizes of the corresponding plurality of decorative shields 60, the plurality of serial connectors 20, and the plurality of parallel connectors 30 may be the same or different, for example, the first electrical module 101 and the second electrical module 102 may be identical in structure, the first bottom shield 23 and the first middle shield 22 may be identical in size, the second bottom shield 33 and the second middle shield 32 may be identical in size, the first top shield 21 and the first bottom shield 23 may be different in size, and the second top shield 31 and the second bottom shield 33 may be different in size, for example, the first top shield 21 and the second top shield 33 may be identical in size.

Further, the decorative shield 60, the serial plug-in 20 and the parallel plug-in 30 are all configured to be fastened to the corresponding electrical module 10 in a quick release configuration.

Specifically, the quick-release structure can be a clamping structure, a plug-in structure, a magnetic attraction structure or the like.

Thus, the stacked and wired electric module 10 can be fastened without using a fastener such as a bolt, the magnetic attraction is adopted to realize connection by the plug-in structure of the male plug and the female plug, so that the time for operating other locking structures can be reduced, and the appearance is tidier.

It should be noted that the connection portion 40 may be an aluminum row, an electric conductor, or a wire harness, so long as the requirements of electric and thermal design are satisfied, and the present application is not limited.

As shown in fig. 1, the energy storage system 100 further includes a base 70, where the base 70 is disposed at an end of the energy storage system 100 in the first direction and is fixed to the electrical module 10 according to some embodiments of the present application.

Therefore, by arranging the base 70, the energy storage system 100 can obtain a larger ground clearance, so that the probability of water inflow of the electric module 10 positioned below is reduced, and the stability and reliability of the energy storage system 100 are improved.

Other configurations and operations of the energy storage system 100 according to embodiments of the present utility model are known to those of ordinary skill in the art and will not be described in detail herein.

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

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims (18)

1. An integrated plug-in unit, characterized in that it is provided to an electrical module (10) so as to be pluggable, comprising:

A plate body;

The electric connection assembly is arranged on the plate body and comprises an anode male plug, a cathode male plug and a connection part (40), wherein the anode male plug and the cathode male plug are respectively suitable for being electrically connected with the anode and the cathode of the electric module (10), and the connection part (40) is used for being electrically connected with the outside.

2. The integrated plug-in according to claim 1, wherein the electrical module (10) has a positive female plug (11) and a negative female plug (12), the positive male plug being adapted to be electrically connected with the positive female plug (11) and the negative male plug being adapted to be electrically connected with the negative female plug (12).

3. The integrated plug-in unit according to claim 1, wherein the positive male plug and the negative male plug each comprise a male plug body (501) and a male plug conductor (502), the positive female plug (11) and the negative female plug (12) each comprise a female plug body (401) and a female plug conductor (402), the male plug body (501) is in plug-in fit with the female plug body (401), and the male plug conductor (502) is electrically connected with the female plug conductor (402).

4. The integrated plug-in unit according to claim 3, wherein the male plug-in body (501) has a receiving cavity, the male plug-in conductor (502) is disposed in the receiving cavity, one end of the receiving cavity is open, and the female plug-in conductor (402) extends into the receiving cavity and is electrically connected with the male plug-in conductor (502).

5. The integrated plug-in unit according to claim 4, wherein the male plug body (501) and/or the female plug body (401) are provided with clamping plates (601) which are arranged oppositely and have elasticity, a clamping space is defined between the two clamping plates (601), and the female plug conductor (402) and the male plug conductor (502) are arranged in the clamping space and are suitable for being abutted under the elastic pushing of the clamping plates (601) to be electrically connected.

6. The integrated plug-in unit according to claim 4, wherein the male plug body (501) is further provided with a connecting plate (602), and a limit part (603) matched with the connecting plate (602) is arranged at one end of the female plug body (401) away from the male plug body (501).

7. The integrated plug-in unit according to claim 4, wherein a sealing member (604) is further provided on the female plug-in body (401), the sealing member (604) being adapted to cooperate with and seal the receiving cavity.

8. The integrated plug-in unit according to claim 1, wherein the electrical module (10) has a harness female plug (13), a signal harness (50) is provided in the integrated plug-in unit, and the signal harness (50) is in signal connection with the harness female plug (13).

9. The integrated plug-in according to claim 1, characterized in that at least part of the connection part (40) is connected to the positive or negative male plug and the positive or negative male plug is located on an end or an intermediate region of the connection part (40), and at least one end of the connection part (40) is configured as a terminal (41), the terminal (41) being intended for an electrical connection with an external plug-in connection.

10. The integrated plug-in unit according to claim 9, wherein the outlet (41) comprises a contact portion (411) and a first cover (412) surrounding the contact portion (411), and the first cover (412) is provided with a via hole and is adapted to be plugged and matched with the outside through the via hole so as to be electrically connected with the outside through the contact portion (411).

11. The integrated plug-in unit according to any one of claims 1 to 10, wherein the board is formed as a circuit board, the connection part (40), the positive male plug and the negative male plug are all integrated to the circuit board, or the board is formed as a protective cover of the electrical module (10), the connection part (40), the positive male plug and the negative male plug are all provided to the protective cover.

12. An energy storage system, comprising:

an electrical module (10);

The integrated plug-in unit according to any one of claims 1 to 11, which is configured as a series plug-in unit (20) or a parallel plug-in unit (30), and the series plug-in unit (20) is arranged alternatively to the parallel plug-in unit (30) and is arranged at the end of the electrical module (10), and the positive and the negative male plug of the integrated plug-in unit are adapted to be electrically connected to the positive and the negative female plug (11, 12) of the electrical module (10), respectively.

13. The energy storage system of claim 12, wherein the electrical modules (10) are a plurality and wherein the plurality of electrical modules (10) are stacked in a first direction, wherein

The series plug-in units (20) are selectively arranged on the electric modules (10), the series plug-in units (20) are provided with a first positive pole male plug (201) and a first negative pole male plug (202), adjacent electric modules (10) or a plurality of electric crossing modules (10), the first positive pole male plug (201) of one series plug-in unit (20) is electrically connected with the first negative pole male plug (202) of the other series plug-in unit (20) through the connecting part (40) so as to enable the plurality of electric modules (10) to be connected in series, or the parallel plug-in units (30) are selectively arranged on the electric modules (10), the parallel plug-in units (30) are provided with a second positive pole male plug-in unit (301) and a second negative pole male plug-in unit (302), the first positive pole male plug-in unit (202) of one series plug-in unit (20) is electrically connected with the second positive pole male plug-in unit (301) of the other series plug-in unit (30) through the connecting part (301) of the other electric modules (30), the second negative electrode male plug (302) of one parallel plug (30) is electrically connected with the second negative electrode male plug (302) of the other parallel plug (30) through the connecting part (40), so that a plurality of electric modules (10) are connected in parallel.

14. The energy storage system according to claim 13, characterized in that the outlet (41) of the connection (40) of the first positive male plug (201) of the series plug (20) at the end and the outlet (41) of the connection (40) of the first negative male plug (202) are electrically connected by means of a series protection sleeve (80).

15. Energy storage system according to claim 13, characterized in that a parallel protection sleeve (90) is provided on the outlet (41) of the connection (40) of the second positive male plug (301) and the second negative male plug (302) of the parallel plug piece (30) at the end.

16. The energy storage system of claim 12, further comprising a decorative shield (60), wherein the series plug (20) or the parallel plug (30) is disposed on one side of the electrical module (10), and wherein the decorative shield (60) is disposed on the other side of the electrical module (10).

17. The energy storage system of claim 12, further comprising a base (70), wherein the base (70) is disposed at an end of the energy storage system in the first direction and is secured to the electrical module (10).

18. Energy storage system according to any of claims 12-17, characterized in that the electrical module (10) is configured as a battery pack, or the battery pack is integrated with a control box, or the control box, or a power transformer.