CN218385482U - Energy storage device - Google Patents

Abstract

The utility model discloses an energy storage equipment. The energy storage device comprises a cluster frame, and a plurality of installation spaces are arranged in the cluster frame; a plurality of electrical modules installed in the plurality of installation spaces, respectively; a plurality of conductive members, each of the conductive members connecting two of the plurality of electrical modules, respectively; and the insulating protection structure is arranged on the cluster frame and covers the conductive piece. Above-mentioned energy storage equipment utilizes insulating protective structure to cover electrically conductive, avoids electrically conductive exposing outside to safety risk when avoiding personnel's operation.

Description

Energy storage device

technical field

The utility model relates to the technical field of energy storage, in particular to an energy storage device.

Background technique

In related technologies, an energy storage device includes a battery cluster, and the battery cluster includes a cluster frame and multiple battery modules, and the multiple battery modules are installed on the cluster frame. The battery modules are electrically connected through copper bars. However, the copper bars of the existing battery clusters are directly exposed to the outside, which poses a safety risk when operated by personnel.

Utility model content

The embodiment of the utility model provides an energy storage device.

An energy storage device according to an embodiment of the utility model includes:

Cluster frame with multiple installation spaces;

a plurality of electrical modules, the plurality of electrical modules are respectively installed in the plurality of installation spaces;

a plurality of conductive parts, each of which is connected to two electrical modules in the plurality of electrical modules;

The insulation protection structure is installed on the cluster frame and covers the conductive part.

The above-mentioned energy storage device uses an insulating protective structure to cover the conductive parts, so as to avoid the exposure of the conductive parts, thereby avoiding the safety risk of personnel during operation.

In some embodiments, the electrical module is provided with electrical connection terminals, the two ends of the conductive member are respectively connected to the electrical connection terminals of the two electrical modules, and the insulation protection structure also covers the electrical connection terminals. Connect the terminals.

In this way, the safety of personnel during operation is further ensured.

In some embodiments, the plurality of electrical modules include a plurality of battery modules, and along the vertical direction of the energy storage device, the plurality of battery modules are arranged to form at least one battery module array, and each of the battery modules In the array, along the vertical direction, two adjacent battery modules are connected in series through the conductive member.

In this way, the performance of the energy storage device can be improved.

In some embodiments, the plurality of battery modules are arranged to form a plurality of battery module arrays, the plurality of battery module arrays are arranged along the lateral direction of the energy storage device, and two adjacent battery module arrays The battery modules are connected in series through the conductive member.

In this way, the performance of the energy storage device is further improved.

In some embodiments, the insulation protection structure includes at least one baffle, and the baffle covers the conductive member and/or the electrical connection terminal.

In this way, the structure of the baffle is simple and the installation is convenient.

In some embodiments, the electrical module includes a battery module;

The battery module includes:

The casing forms a receiving cavity;

a battery pack, including a plurality of battery cells arranged in sequence, and the battery pack is installed in the receiving cavity; and

a fan installed on the side wall of the casing and penetrates through the side wall;

The baffle is provided with a through hole exposing the fan.

In this way, heat dissipation of the battery module can be ensured.

In some embodiments, at least one hollow portion is opened at a part of the baffle covering the conductive element for heat dissipation and ventilation of the conductive element.

In this way, the heat dissipation efficiency of the conductive element is improved.

In some embodiments, the baffle is provided with a plurality of hollow parts, and the plurality of hollow parts are arranged in sequence along the vertical direction of the energy storage device to form at least one hollow part array.

In this way, the heat dissipation efficiency of the conductive element is further improved.

In some embodiments, the insulation protection structure is separated from the conductive member and/or the electrical connection terminal by a preset distance.

In this way, the insulating protection structure is prevented from causing damage to the conductive member and/or the electrical connection terminal.

In some embodiments, the insulation protection structure is detachably installed on the cluster frame.

In this way, maintenance of the energy storage device is facilitated.

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

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiment of the utility model or the prior art, the accompanying drawings that need to be used in the description of the embodiment or the prior art will be briefly introduced below. Obviously, the accompanying drawings in the following description These are only some implementations of the present utility model, and those skilled in the art can also obtain other drawings according to the structures shown in these drawings without creative work.

Fig. 1 is a perspective view of an energy storage device according to an embodiment of the present invention;

Fig. 2 is the front view of the energy storage device of the embodiment of the present utility model;

Fig. 3 is a left view of the energy storage device according to the embodiment of the present invention;

Fig. 4 is a front view of the energy storage device in the embodiment of the present invention with the insulation protection structure removed;

Fig. 5 is a structural diagram of a baffle in an embodiment of the present invention.

Explanation of reference signs:

Energy storage equipment-100, cluster frame-12, conductive parts-14, insulation protection structure-16, installation space-18, bottom plate-20, beam-22, column-24, guide rail-26, battery module-28, high voltage box -30, shell-32, first connection terminal-34, box body-36, second connection terminal-38, third connection terminal-39, battery management module-40, bezel-42, through hole-44, Fan-46, air intake hole-48, hollow part-50, bracket-52.

Detailed ways

Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present utility model, but should not be construed as limiting the present utility model.

In describing the present invention, it should be understood that the terms "center", "vertical", "transverse", "length", "width", "thickness", "upper", "lower", "front" , "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", etc. The orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation or be constructed in a specific orientation. and operation, and therefore cannot be construed as a limitation of the present utility model. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, features defined as "first" and "second" may explicitly or implicitly include one or more features. In the description of the present utility model, "plurality" means two or more, unless otherwise specifically defined.

In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a flexible connection. Disassemble the connection, or connect in one piece. It can be a mechanical connection or an electrical connection. It can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two elements or the interaction relationship between two elements. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

In the present invention, unless otherwise clearly specified and limited, a first feature being "on" or "below" a second feature may include direct contact between the first and second features, and may also include the first and second features being in direct contact with each other. The features are not in direct contact but through another feature between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below", "beneath" and "under" the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

The disclosure below provides many different implementations or examples for realizing different structures of the present invention. To simplify the disclosure of the present invention, components and arrangements of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the utility model. Furthermore, the present disclosure may repeat reference numerals and/or reference letters in different instances, such repetition is for simplicity and clarity and does not in itself indicate a relationship between the various embodiments and/or arrangements discussed. In addition, various specific process and material examples are provided herein, but one of ordinary skill in the art may recognize the use of other processes and/or the use of other materials.

Referring to FIGS. 1 to 3 , an energy storage device 100 provided by an embodiment of the present invention includes a cluster frame 12 , a plurality of electrical modules, a plurality of conductive parts 14 and an insulating protection structure 16 . The cluster frame 12 is provided with a plurality of installation spaces 18 . A plurality of electrical modules are installed in a plurality of installation spaces 18 . Each conductive member 14 is respectively connected to two electrical modules in the plurality of electrical modules. The insulating protection structure 16 is installed on the cluster frame 12 and covers the conductive member 14 .

The above-mentioned energy storage device 100 uses the insulating protection structure 16 to cover the conductive member 14, so as to prevent the conductive member 14 from being exposed, thereby avoiding safety risks during personnel operation. In addition, covering the conductive member 14 can also make the cluster frame 12 more beautiful.

Specifically, in one embodiment, the insulation protection structure 16 can be made of PC material. The PC material has good impact resistance, so that the insulating protection structure 16 of the energy storage device 100 is not easily broken during installation and transportation. Further, the insulating protection structure 16 can be made into a black frosted surface, which increases the aesthetics of the cluster frame 12 . It can be understood that, in other implementation manners, the material of the insulating protection structure 16 is not limited to PC, but can also be other insulating materials, which are not specifically limited here.

The cluster frame 12 may include a base plate 20 , a plurality of beams 22 and a plurality of columns 24 , the plurality of columns 24 may connect the base plate 20 and the plurality of beams 22 , and the plurality of beams 22 are connected to form a top frame structure. Along the vertical direction of the energy storage device 100 , a plurality of guide rails 26 are provided on the column 24 to divide the space between the top frame structure and the bottom plate 20 into a plurality of installation spaces 18 . Two guide rails 26 on two adjacent columns 24 and at the same height support an electrical module.

In one embodiment, the electrical module may include a battery module 28, and a plurality of battery modules 28 may be electrically connected in series, parallel, or series-parallel. In the illustrated embodiment, all the battery modules 28 on the cluster frame 12 can be connected in series through the conductive member 14 . In one embodiment, the conductive member 14 may be a copper bar. However, the conductive elements 14 of the present invention are not limited to copper bars, and other conductive elements 14, such as conductive cables, can also be used.

In one embodiment, the electrical module may further include a high-voltage box 30 , and a circuit formed by electrically connecting multiple battery modules 28 is connected to the high-voltage box 30 through the conductive member 14 . For example, a series circuit formed by connecting a plurality of battery modules 28 in series may be connected to the high voltage box 30 .

Referring to FIG. 4, the battery module 28 may include a housing 32 and two first connection terminals 34, the two first connection terminals 34 are arranged on the front side of the housing 32, and the housing 32 is provided with a plurality of battery cells ( Not shown in the figure), a plurality of battery cells are electrically connected in series, in parallel or in series and parallel. A circuit formed by electrically connecting a plurality of battery cells may be connected to two first connection terminals 34 . A conductive element 14 can connect a first connection terminal 34 of a battery module 28 with a first connection terminal 34 of another battery module 28 . The insulating protection structure 16 is installed on the front side of the cluster frame 12 and covers the conductive member 14 to shield the conductive member 14 and avoid safety risks during personnel operation.

The high voltage box 30 may include a box body 36 and two second connection terminals 38 located on the front side of the box body 36 . One end of the circuit formed by connecting the plurality of battery modules 28 is connected to one second connection terminal 38 , and the other end is connected to the other second connection terminal 38 . A conductive member 14 can connect a first connection terminal 34 of the battery module 28 with a second connection terminal 38 of the high voltage box 30 . The insulating protection structure 16 is installed on the front side of the cluster frame 12 and covers the conductive member 14 to shield the conductive member 14 and avoid safety risks during personnel operation.

In addition, the high voltage box 30 further includes two third connection terminals 39 located on the front side of the box body 36 . The two third connection terminals 39 can be connected to external electrical equipment or a control cabinet.

It can be understood that the electrical module is not limited to the battery module, the battery management module and the high voltage box, and may also be other types of electrical modules.

In one embodiment, the energy storage device 100 may be an energy storage container, and the energy storage container further includes a box body (not shown in the figure), and the cluster frame 12 is arranged in the box body, and one or more cluster frames 12 may be arranged in the box body. A plurality of cluster racks 12 are arranged in an array to increase the energy storage capacity of the energy storage device 100 . An air-conditioning system is installed on the box body, and the air-conditioning system can ensure that the battery module 14 works in a normal ambient temperature range.

In one embodiment, the energy storage device 100 may be a household energy storage cabinet, and the household energy storage cabinet may be installed indoors or outdoors. When the household energy storage cabinet is installed outdoors, attention should be paid to waterproof and dustproof.

In some embodiments, the electrical modules are provided with electrical connection terminals, and the two ends of the conductive member 14 are respectively connected to the electrical connection terminals of the two electrical modules, and the insulating protection structure 16 also covers the electrical connection terminals of the electrical modules. Electrical connection terminals. In this way, the safety of personnel during operation is further ensured.

Specifically, the electrical module includes a battery module 28 and a high voltage box 30 . The battery module 28 is provided with two electrical connection terminals, that is, two first connection terminals 34 . Both ends of the conductive member 14 are respectively connected to the first connecting terminals 34 of the two battery modules 28 , thereby realizing the electrical connection of the two battery modules 28 . The insulating protection structure 16 covers the first connecting terminal 34 to avoid accidents caused by personnel touching the first connecting terminal 34 during operation, and further enhance the safety of personnel during operation.

The high-voltage box 30 is provided with two electrical connection terminals, that is, two second connection ends 38, and the two ends of a conductive member 14 are respectively connected to the first connection terminal 34 of a battery module 28 and one of the second connection terminals of the high-voltage box 30. terminal 38, the two ends of the other conductive member 14 are respectively connected to the first connection terminal 34 of another battery module 28 and the other second connection terminal 38 of the high voltage box 30, thereby realizing the electrical connection between the two battery modules 28 and the high voltage box 30. connect. The insulating protection structure 16 covers the first connection terminal 34 and the second connection terminal 38 to avoid accidents caused by personnel touching the first connection terminal 34 and the second connection terminal 38 during operation, and further enhance the safety of personnel operation.

In some embodiments, the plurality of electrical modules includes a plurality of battery modules 28. Along the vertical direction of the energy storage device 100, the plurality of battery modules 28 are arranged to form at least one battery module array. In each battery module array, along the In the vertical direction of the energy storage device 100 , two adjacent battery modules 28 are connected in series through the conductive member 14 . In this way, the performance of the energy storage device 100 can be improved.

Specifically, in the illustrated embodiment, in a battery module array, a plurality of battery modules 28 are arranged in the up-down direction and in the left-right direction to form a battery module array, and a first connection terminal 34 of the middle battery module 28 is passed through a conductive member. 14 is connected to a first connection terminal 34 of the lower battery module 28, and another first connection terminal 34 of the middle battery module 28 is connected to a first connection terminal 34 of the upper battery module 28 through the conductive member 14, and then, in In the battery module array, all the battery modules 28 can be connected in series through the conductive member 14 . The battery module array formed by series connection has relatively high power supply voltage, and the high voltage box 30 can be used to adjust or directly output the power supply voltage to improve the performance of the energy storage device 100 .

It should be noted that the vertical direction of the energy storage device 100 may be an up-down direction.

In some embodiments, a plurality of battery modules 28 are arranged to form a plurality of battery module arrays, and the plurality of battery module arrays are arranged along the lateral direction of the energy storage device 100, and the battery modules 28 of two adjacent battery module arrays are electrically conductive 14 are connected in series. In this way, the performance of the energy storage device 100 is further improved.

Specifically, in the illustrated embodiment, two battery module arrays are arranged along the lateral direction of the energy storage device 100 . It can be understood that, in other implementation manners, the battery module array is not limited to two, and may also be in other numbers, such as three or more than three, which is not specifically limited here.

Multiple battery module arrays, on the one hand, can improve the energy storage capacity of the energy storage device 100; The high voltage box 30 is used to adjust or directly output the power supply voltage, so as to improve the power supply capability of the energy storage device 100 and comprehensively improve the performance of the energy storage device 100 .

In the illustrated embodiment, the lowermost part of the right battery module array is the high-voltage box 30, and a second connection terminal 38 of the high-voltage box 30 is connected to a first battery module 28 of the lowermost battery module 28 of the left battery module array through the conductive member 14. Connecting terminal 34, the other second connecting terminal 38 of high voltage box 30 is connected to the first connecting terminal 34 of the battery module 28 on the right battery module array above the high voltage box 30 through conductive member 14, and then, the two second connecting terminals of high voltage box 30 The connecting terminal 38 is connected to a circuit formed by connecting all the battery modules 28 in series through the conductive member 14 .

Further, the energy storage device 100 also includes a battery management module 40 (BMS). The battery management module 40 is located in the middle of the right battery module array. The battery management module 40 can connect the uppermost battery module 28 and the lower battery module 28 through a high-voltage line and a low-voltage line. High voltage box 30.

It can be understood that in other embodiments, the connection of the battery modules 28 is not limited to a series connection, and may also be a parallel connection or a series-parallel connection.

It should be noted that the lateral direction of the energy storage device 100 may be a left-right direction, or a front-rear direction, or a left-right direction and a front-rear direction.

In some embodiments, the insulation protection structure 16 includes at least one baffle 42 , and the baffle 42 covers the conductive member 14 and/or the electrical connection terminal. In this way, the baffle plate 42 has a simple structure and is easy to install.

Specifically, in one embodiment, the baffle 42 may be made of insulating material, such as PC, and its surface may be made of a black matte surface. In one embodiment, the baffle plate 42 may also be formed by wrapping an insulating coating on the surface of the plate body.

In one embodiment, the insulating guard structure 16 may include a single baffle 42 which may cover all of the conductive members 14, or all of the conductive members 14 and all of the electrical connection terminals, or all of the electrical connection terminals.

In one embodiment, the insulation protection structure 16 may include a plurality of baffles 42, and one baffle 42 may cover one or several conductive members 14 and cover one or several electrical connection terminals, or cover one or several conductive members 14 , or cover one or several electrical connection terminals. All baffles 42 cover all conductive elements 14 and/or electrical connection terminals.

In the illustrated embodiment, the insulating protection structure 16 includes a plurality of baffles 42, and one baffle 42 covers several conductive members 14 and several electrical connection terminals, so that installation time can be saved. In a battery module array, A plurality of baffles 42 are arranged along the vertical direction of the energy storage device 100 .

It can be understood that in other implementation manners, the insulation protection structure 16 may also include other structural components, not limited to the baffle 42 .

In certain embodiments, the electrical module includes a battery module 28 . The battery module 28 includes a housing 32, a battery pack and a fan 46. The housing 32 forms a housing cavity. The battery pack includes a plurality of battery cells arranged in sequence. On the side wall and through the side wall of the housing 32 . Please refer to FIG. 1 , FIG. 2 and FIG. 5 , the baffle plate 42 defines a through hole 44 , and the through hole 44 exposes the fan 46 . In this way, heat dissipation of the battery module 28 can be ensured.

Specifically, the housing 32 includes a left side wall, a right side wall, a front side wall, a rear side wall, a top side wall and a bottom side wall. The left side wall, the right side wall and the rear side wall are provided with air intake holes 48, the front side wall is provided with through holes, and the fan 46 is penetrated through the through holes of the front side wall. When the fan 46 works, the hot air in the housing 32 can be extracted through the air outlet, and a negative pressure is formed in the housing 32, so that the cold air from the outside enters the inside of the housing 32 from the air inlet 48, and the battery pack in the housing 32 For cooling and heat dissipation.

The through hole 44 of the baffle 42 exposes the fan 46 , so that the hot air exhausted by the fan 46 can be exhausted to the outside of the cluster frame 12 through the through hole 44 to ensure heat dissipation of the battery module 28 . In the illustrated embodiment, two fans 46 are provided on the front side wall of the casing 32 of each battery module 28, and two through holes 44 are opened corresponding to the baffle plate 42 on the front side of each battery module 28, each Each through hole 44 exposes a corresponding fan 46.

In some embodiments, at least one hollow portion 50 is opened at a part of the baffle plate 42 covering the conductive element 14 for cooling and ventilating the conductive element 14 . In this way, the heat dissipation efficiency of the conductive element 14 is improved.

Specifically, in the embodiment shown in FIG. 3 , the baffle plate 42 is installed on the front side of the cluster frame 12 and shields the conductive member 14 . In the space between the battery module 28 and the baffle 42 of the conductive member, the surrounding air of the conductive member 14 can convect with the air outside the baffle 42 through the hollow portion 50 , thereby improving the heat dissipation efficiency of the conductive member 14 . In addition, the hollow portion 50 can also improve the heat dissipation efficiency of the battery module 28 .

In the embodiment shown in FIGS. 1 and 2 , two fans 46 are installed on the front side of each battery module 28 , two through holes 44 are opened corresponding to the baffle plate 42 of each battery module 28 , and the hollow part 50 Located between two through holes 44 .

In some embodiments, the baffle 42 is provided with a plurality of hollowed out parts 50 , and the multiple hollowed out parts 50 are arranged in sequence along the vertical direction of the energy storage device 100 to form at least one hollowed out part array. In this way, the heat dissipation efficiency of the conductive element 14 is further improved.

Specifically, the plurality of hollow parts 50 are distributed in many positions, which increases the convection area between the air between the battery module 28 and the baffle 42 and the air outside the baffle 42 , and further improves the heat dissipation efficiency of the battery module 28 .

In addition, a plurality of hollowed out parts 50 are arranged along the vertical direction of the energy storage device 100 to form at least one hollowed out part array, and the arrangement of the hollowed out parts 50 is relatively regular, which can also ensure that the baffle plate 42 has a certain structural strength.

In the embodiment shown in FIG. 1 , multiple hollowed out parts 50 are arranged along the vertical direction of the energy storage device 100 to form multiple hollowed out part arrays, and the multiple hollowed out part arrays are arranged in sequence along the left and right directions of the energy storage device 100 .

In some embodiments, the insulation protection structure 16 is separated from the conductive member 14 and/or the electrical connection terminal by a preset distance. In this way, the insulation protection structure 16 is prevented from causing damage to the conductive member 14 and/or the electrical connection terminal.

Specifically, the insulating protection structure 16 is separated from the conductive member 14 and/or the electrical connection terminal by a predetermined distance, so that the conductive member 14 and/or the electrical connection terminal are not in contact with the insulating protection structure 16, so as to avoid the impact of the insulating protection structure 16 on the conductive member 14. and/or the electrical connection terminals cause wear and tear to cause damage to the conductive member 14 and/or the electrical connection terminals, thereby making the electrical connection between the electrical modules ineffective. The specific size of the preset distance can be determined according to actual needs, and is not specifically limited here.

In one embodiment, the insulation protection structure 16 is separated from the conductive member 14 and the electrical connection terminals by a preset distance. In one embodiment, the insulation protection structure 16 is separated from the electrical connection terminals by a predetermined distance. In one embodiment, the insulation protection structure 16 is separated from the conductive member 14 by a predetermined distance.

In one embodiment, the energy storage device 100 further includes a bracket 52 , and the bracket 52 connects the insulating protection structure 16 and the column 24 . Specifically, the brackets 52 are respectively provided on the left and right sides of the baffle 42 , and the brackets 52 can be connected with the column 24 and the baffle 42 by means of welding, bolt connection, etc., so as to fix the baffle 42 . The length of the connecting piece can control the distance between the baffle plate 42 and the conductive piece 14 . In the illustrated embodiment, the bracket 52 is connected to the baffle plate 42 and the column 24 by means of bolt locking.

In some embodiments, the insulation protection structure 16 is detachably installed on the cluster frame 12 . In this way, maintenance of the energy storage device 100 is facilitated.

Specifically, the insulating protection structure 16 is detachably mounted on the cluster frame 12, and when the insulating protection structure 16 is damaged, the insulating protection structure 16 can be disassembled for replacement or maintenance. When the conductive member 14 or the battery module 28 needs to be maintained, the insulating protection structure 16 can also be disassembled to maintain the conductive member 14 or the battery module 28 , thereby facilitating the maintenance of the energy storage device 100 .

The insulating protection structure 16 can be detachably installed on the cluster frame 12 by buckling, bolt locking and other means.

In the description of this specification, descriptions referring to the terms "one embodiment", "some embodiments", "exemplary embodiments", "examples", "specific examples", or "some examples" etc. mean that the embodiments are combined Specific features, structures, materials, or characteristics described in or examples are included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications, substitutions and modifications, the scope of the present invention is defined by the claims and their equivalents.

Claims (10)

1. An energy storage device, characterized in that, comprising: Cluster frame with multiple installation spaces; a plurality of electrical modules, the plurality of electrical modules are respectively installed in the plurality of installation spaces; a plurality of conductive parts, each of which is connected to two electrical modules in the plurality of electrical modules; The insulation protection structure is installed on the cluster frame and covers the conductive part. 2. The energy storage device according to claim 1, wherein the electrical module is provided with electrical connection terminals, and the two ends of the conductive member are respectively connected to the electrical connection terminals of the two electrical modules, The insulating protection structure also covers the electrical connection terminals. 3. The energy storage device according to claim 1, wherein the plurality of electrical modules include a plurality of battery modules, and along the vertical direction of the energy storage device, the plurality of battery modules are arranged to form at least one In the battery module array, in each of the battery module arrays, along the vertical direction, two adjacent battery modules are connected in series through the conductive member. 4. The energy storage device according to claim 3, wherein the plurality of battery modules are arranged to form a plurality of battery module arrays, and the plurality of battery module arrays are arranged along the lateral direction of the energy storage device , the battery modules of two adjacent battery module arrays are connected in series through the conductive member. 5 . The energy storage device according to claim 2 , wherein the insulating protection structure comprises at least one baffle, and the baffle covers the conductive member and/or the electrical connection terminal. 6. The energy storage device according to claim 5, wherein the electrical module comprises a battery module; The battery module includes: The casing forms a receiving cavity; a battery pack, including a plurality of battery cells arranged in sequence, and the battery pack is installed in the receiving cavity; and a fan installed on the side wall of the casing and penetrates through the side wall; The baffle is provided with a through hole exposing the fan. 7. The energy storage device according to claim 5, characterized in that at least one hollow part is opened on the part of the baffle covering the conductive part for dissipating heat from the conductive part ventilation. 8. The energy storage device according to claim 7, wherein the baffle is provided with a plurality of hollow parts, and the plurality of hollow parts are arranged in sequence along the vertical direction of the energy storage device to form at least An array of cutouts. 9. The energy storage device according to claim 2, wherein the insulating protection structure is separated from the conductive member and/or the electrical connection terminal by a preset distance. 10. The energy storage device according to claim 1, wherein the insulating protection structure is detachably installed on the cluster frame.

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