CN214753990U

CN214753990U - Modularized green battery pack

Info

Publication number: CN214753990U
Application number: CN202120182255.XU
Authority: CN
Inventors: 龚华
Original assignee: Sichuan Tenangwei New Energy Technology Co ltd
Current assignee: Sichuan Tenangwei New Energy Technology Co ltd
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-11-16
Anticipated expiration: 2031-01-22

Abstract

The utility model relates to a modularized green battery pack, which comprises a protective component and at least two battery modules, wherein the battery modules are connected with each other to form the battery pack, and the protective component is coated on the battery pack; the battery module comprises a battery block, a protective box and a connecting assembly, wherein the battery block is arranged in the protective box in an insulating manner, the connecting assembly is arranged on the outer side surface of the protective box, the connecting assembly is electrically connected with the battery block, and the connecting assemblies of two adjacent battery modules are sequentially connected; through the above scheme, utilize the guard box among the battery module and the secondary protection scheme of protective part to modular battery group, make the utility model discloses a carry out safety protection's purpose to modular battery group, can cause all the other batteries to follow the hidden danger of explosion when battery module explodes effectively to have avoided.

Description

Modularized green battery pack

Technical Field

The utility model relates to a battery technology field especially relates to and is used for modularization green battery equipment field, and specifically speaking is a modularization green battery group.

Background

The battery functions to convert chemical energy in an active material into electrical energy through an electrochemical reaction; in 1860, the first practical battery, commonly called lackland cell, was made by using zinc-mercury alloy as anode and negative terminal, manganese dioxide coated on carbon rod as cathode and positive terminal, and ammonium chloride solution as electrolyte, and today, after more than a hundred years, the most common dry cell of lackland was still the same principle.

With the development of science and technology, the development of electronic instruments, weapon systems, space exploration and the like has all been driven to more elaborate and ultra-high functions, and the system responsible person never wants the expensive equipment to fail due to the use of cheap batteries, and does not want the batteries to occupy too much precious space and weight. Therefore, it is necessary to find a battery having a high energy density per unit volume or weight, and a high discharge current density is one of the targets of demand, and the development of lithium batteries is also in progress.

After many years of efforts, the development results of lithium batteries are quite brilliant, and the development of lithium batteries is gradually changed from early non-rechargeable primary batteries to commercialized rechargeable secondary batteries, even to large-power electric vehicles.

In the prior art, when the modularized green battery structure is assembled into a battery pack, a plurality of batteries are placed in a battery pack packaging tool for packaging, then two adjacent battery blocks are electrically connected by using a wire, and finally, the battery blocks form a serial modularized battery pack structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the modularized green battery pack is provided for solving the technical defect that when a single battery in the existing modularized battery pack explodes, the explosion of other batteries is caused. The utility model discloses a set up protection part and two at least battery module isotructures, utilize the guard box among the battery module and the secondary protection scheme of protection part to modular battery group, make the utility model discloses a carry out safety protection's purpose to modular battery group, can cause all the other batteries to follow the hidden danger of explosion when battery module explodes effectively to have avoided. Adopt the utility model discloses can effectively realize carrying out safety protection's purpose to modular group battery afterwards, effectively avoided can cause all the other batteries to follow the hidden danger of explosion when battery module explodes.

In order to realize the technical scheme, the utility model discloses a following technical scheme realizes:

a modularized green battery pack comprises a protection component and at least two battery modules, wherein the battery modules are connected with each other to form the battery pack, and the protection component is coated on the battery pack;

the battery module comprises a battery block, a protective box and a connecting assembly, wherein the battery block is arranged in the protective box in an insulating manner, the connecting assembly is arranged on the outer side surface of the protective box, the connecting assembly is electrically connected with the battery block, and the connecting assemblies of two adjacent battery modules are sequentially connected;

the protective box comprises a first box body, a plurality of first energy dissipation plates, a plurality of first supporting rods and a static lead, wherein the first energy dissipation plates are of arc structures, outer arc surfaces of the first energy dissipation plates point to the outer side surfaces of battery blocks, the first energy dissipation plates are coated on the battery blocks to form energy dissipation structures, one ends of the first supporting rods are connected with inner arc surfaces of the first energy dissipation plates, the other ends of the first supporting rods are connected with the inner wall of the first box body, cooling cavities are formed between the first energy dissipation plates and the first box body, one ends of the static lead are connected with the outer wall of the battery blocks, the other ends of the static lead are arranged outside the first box body, and the first box body is of a square structure.

In order to better realize the utility model discloses, as above-mentioned technical scheme's further optimization, coupling assembling includes spliced pole, power connection and connecting portion, the spliced pole has two, the spliced pole sets up respectively on the outer wall of first box, be provided with a power connection on the spliced pole respectively, power connection is connected with the anodal and the negative pole electricity of battery block respectively, connecting portion set up on each side of first box.

As a further optimization of the above technical solution, the battery block includes two batteries and two conductive sheets, the positive electrode and the negative electrode of each battery are respectively connected with one conductive sheet, and the conductive sheets are electrically connected with the power connector.

As a further optimization of the above technical scheme, each side surface of the first box body is provided with a plurality of air holes, and the air holes are communicated with the cooling chamber.

As a further optimization of the above technical solution, the protection component includes a safety box and a protection assembly, the safety box provides a protection function for the protection assembly, a battery pack is installed in the protection assembly, the safety box is provided with a plurality of air holes, and the air holes ventilate the cooling chamber of each battery module.

As a further optimization of the above technical scheme, the protection assembly includes an electrostatic conducting portion, an energy dissipation portion and a cooling portion, one end of the electrostatic conducting portion is connected with the electrostatic conducting wire, the other end of the electrostatic conducting portion is in contact with the ground, the energy dissipation portion is coated outside the battery pack, the safety box is coated outside the energy dissipation set, a cooling cavity is formed between the energy dissipation set and the inner wall of the safety box, and the cooling portion is communicated with the air hole.

As a further optimization of the above technical scheme, the energy dissipation part includes a plurality of energy dissipation plates and a plurality of reinforcing rods, the energy dissipation plates are of arc structures, outer arc surfaces of the energy dissipation plates point to outer side surfaces of the battery packs, the energy dissipation plates are coated on the battery packs to form the energy dissipation structure, one ends of the reinforcing rods are connected with inner arc surfaces of the energy dissipation plates, and the other ends of the reinforcing rods are connected with inner side surfaces of the safety boxes.

As a further optimization of the above technical scheme, the energy dissipation plate comprises an arc-shaped steel plate and an arc-shaped rib net, the arc-shaped rib net is arranged on the inner arc surface of the arc-shaped steel plate, and the outer arc surface of the arc-shaped steel plate is in contact with the outer side surface of the battery pack.

As a further optimization of the technical scheme, the safety box comprises a box body and a supporting frame, wherein the supporting frame is of a net-shaped framework structure, the supporting frame is arranged on the inner wall of the box body, and a plurality of fixing parts are arranged on the outer wall of the box body.

As a further optimization of the technical scheme, a plurality of louver holes are formed in each side face of the box body and communicated with the cooling cavity.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

the utility model discloses a set up protection part and two at least battery module isotructures, utilize the guard box among the battery module and the secondary protection scheme of protection part to modular battery group, make the utility model discloses a carry out safety protection's purpose to modular battery group, can cause all the other batteries to follow the hidden danger of explosion when battery module explodes effectively to have avoided.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic three-dimensional structure of the present invention;

fig. 2 is a schematic diagram of the internal three-dimensional structure of the present invention;

fig. 3 is a schematic three-dimensional structure diagram of the protection component of the present invention;

fig. 4 is a schematic diagram of a three-dimensional structure of a battery module according to the present invention.

The figure shows 1-protective part, 2-battery module, 11-safety box, 12-protective component, 21-battery block, 22-protective box, 23-connecting component, 111-box, 112-supporting frame, 121-electrostatic conducting part, 122-energy dissipation part, 123-temperature reduction part, 211-battery, 212-conducting strip, 221-first box, 222-first energy dissipation plate, 223-first supporting rod, 224-electrostatic conducting wire, 231-connecting column, 232-power connector, 233-connecting part, 1221-second energy dissipation plate, 1222-reinforcing rod.

Detailed Description

The present invention will be described in detail and with reference to the preferred embodiments of the present invention, but the present invention is not limited thereto.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "first", "second", "third", etc. are used only for distinguishing the description, and are not intended to indicate or imply relative importance.

The terms "upper", "lower", "left", "right", "inner", "outer", and the like refer to orientations or positional relationships based on the drawings, or the orientations or positional relationships that are conventionally used to place the products of the present invention, and are used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "vertical" and the like do not require absolute perpendicularity between the components, but may be slightly inclined. Such as "vertical" merely means that the direction is relatively more vertical and does not mean that the structure must be perfectly vertical, but may be slightly inclined.

In the description of the present invention, it is also to be understood that the terms "disposed," "mounted," "connected," and the like are intended to be construed broadly unless otherwise specifically indicated and limited. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as a preferred embodiment, it is shown in FIG. 1 to FIG. 4;

a modularized green battery 211 group comprises a protective component 1 and at least two battery modules 2, wherein the battery modules 2 are connected with each other to form the battery 211 group, and the protective component 1 is coated on the battery 211 group;

the battery module 2 comprises a battery block 21, a protective box 22 and a connecting assembly 23, the battery block 21 is arranged in the protective box 22 in an insulating mode, the connecting assembly 23 is arranged on the outer side face of the protective box 22, the connecting assembly 23 is electrically connected with the battery block 21, and the connecting assemblies 23 of two adjacent battery modules 2 are sequentially connected;

the protective box 22 comprises a first box 221, a plurality of first energy dissipation plates 222, a plurality of first support rods 223 and a static wire 224, wherein the first energy dissipation plates 222 are arc-shaped structures, the outer arc surfaces of the first energy dissipation plates 222 point to the outer side surfaces of the battery blocks 21, the first energy dissipation plates 222 are coated on the battery blocks 21 to form energy dissipation structures, one ends of the first support rods 223 are connected with the inner arc surfaces of the first energy dissipation plates 222, the other ends of the first support rods are connected with the inner wall of the first box 221, a cooling cavity is formed between the first energy dissipation plates 222 and the first box 221, one ends of the static wire 224 are connected with the outer wall of the battery blocks 21, the other ends of the static wire are arranged outside the first box 221, and the first box 221 is of a square structure.

In this embodiment, as shown in fig. 1, novel through setting up protective part 1 and two at least battery module 2 isotructures, utilize protective box 22 among the battery module 2 and the secondary protection scheme of protective part 1 to modular battery 211 group, make the utility model discloses a carry out safety protection's purpose to modular battery 211 group, effectively avoided can cause all the other batteries 211 to follow the hidden danger of explosion when battery module 2 explodes.

In this embodiment, as shown in fig. 4, the battery module 2 is provided with a battery block 21, a protection box 22, a connection assembly 23, and the like, and the protection box 22 is used to protect the battery block 21 once, so that shock waves generated by explosion of the battery 211 can firstly dissipate energy through the protection box 22, and further the shock waves generated by the explosion cannot directly damage the safety box 11, and meanwhile, the shock waves generated by the explosion cannot directly damage the battery 211 near the battery 211 group. Meanwhile, in the present embodiment, the battery modules 2 can be connected to each other to finally form the battery 211 group by providing the connection assembly 23.

In this embodiment, as shown in fig. 4, the protection box 22 utilizes the second energy dissipation plate 1221 of the arc structure to dissipate energy for the first time for the shock wave generated when the battery 211 explodes due to an accident by setting up the first box 221, the plurality of first energy dissipation plates 222, the plurality of first support rods 223 and the static wire 224, so that the utility model discloses not only realize the protection function for the battery module 2, when the protection effect that utilizes the first energy dissipation plates 222 and the first box 221 to produce the battery block 21 also makes the battery 211 explode, the fragments that the shock wave and the explosion that are generated can not directly cause damage to the battery module 2 around, and then play the purpose of protecting the battery 211 group.

In order to better realize the utility model discloses, as above-mentioned technical scheme's further optimization, coupling assembling 23 includes spliced pole 231, power connection 232 and connecting portion 233, spliced pole 231 has two, spliced pole 231 sets up respectively on the outer wall of first box 221, be provided with a power connection 232 on the spliced pole 231 respectively, power connection 232 is connected with the positive pole and the negative pole electricity of battery piece 21 respectively, connecting portion 233 sets up on each side of first box 221.

In this embodiment, as shown in fig. 4, the coupling assembling 23 through setting up structures such as spliced pole 231, power connector 232 and connecting portion 233, through setting up two spliced poles 231 to set up a power connector 232 respectively at spliced pole 231, utilize power connector 232 and respectively with the anodal and negative pole electric connection of battery piece 21, make the utility model discloses after well connection forms battery 211 group, can utilize the wire to be connected with double-phase adjacent spliced pole 231 electricity and make battery module 2 form battery 211 group structure, the battery module 2 overload hidden danger that causes when the anodal and the negative pole circular telegram of having avoided two adjacent battery modules 2 of conventional battery 211 group form battery 211 group.

It should be particularly clear and explained that, in the present embodiment, the connecting portion 233 is, but not limited to, the following structure: a slide block and slide rail structure, a bayonet lock structure, a bolt structure and the like.

It should be particularly clear and explained that, as a preferred embodiment, in the present embodiment, the connection part is provided to enable the battery modules to be connected with each other and form a complete battery pack structure by providing the connection part.

As a further optimization of the above technical solution, the battery block 21 includes a battery 211 and two conductive sheets 212, the two conductive sheets 212 are provided, the positive electrode and the negative electrode of the battery 211 are respectively connected with one conductive sheet 212, and the conductive sheets 212 are electrically connected with the power connector 232.

In this embodiment, as shown in fig. 4, the battery block 21 is configured with the battery 211, the conducting strip 212 and other structures, the conducting strip 212 is respectively installed on the positive electrode and the negative electrode of the battery 211, and the current in the battery block 21 is led out by the conducting strip 212, so that the utility model can work normally.

As a further optimization of the above technical solution, each side surface of the first box 221 is provided with a plurality of air holes, and the air holes are communicated with the cooling chamber.

In this embodiment, as shown in fig. 4, a plurality of air holes are provided on the first box 221, and the air holes and the cooling space between the first box 221 and the first energy dissipating plate 222 are communicated, and cool air is supplied into the cooling space through the air holes, so that the utility model realizes the purpose of directly cooling each battery module 2.

It should be noted that, as a preferred embodiment, in this embodiment, the air holes include an air inlet hole and an air outlet hole.

As a further optimization of the above technical solution, the protection component 1 includes a safety box 11 and a protection assembly 12, the safety box 11 provides a protection function for the protection assembly 12, a battery 211 set is installed in the protection assembly 12, the safety box 11 is provided with a plurality of air holes, and the cooling chamber of each battery module 2 is ventilated through the air holes.

In this embodiment, as shown in fig. 2 and 3, the protection component 1 utilizes the safety box 11 to provide a protection effect for the protection component 12 by setting up the structures of the safety box 111 and the protection component 12, and simultaneously coats the protection component 12 on the modular battery 211 set, when the modular battery 211 set is supposed to explode, the shock wave generated by the explosion of the battery 211 set is dissipated by the protection component 12, and the fragments generated by the explosion are blocked in the safety box 11, so that the utility model discloses a module battery 211 set when an accidental explosion happens is protected to achieve the purpose of reducing the damage degree.

As a further optimization of the above technical solution, the protection assembly 12 includes an electrostatic conducting part 121, an energy dissipation part 122 and a temperature reduction part 123, one end of the electrostatic conducting part 121 is connected with an electrostatic conducting wire 224, the other end of the electrostatic conducting part contacts with the ground, the energy dissipation part 122 covers the group of the batteries 211, the safety box 11 covers the energy dissipation group, a temperature reduction cavity is formed between the energy dissipation group and the inner wall of the safety box 11, and the temperature reduction part 123 is communicated with the air hole.

It should be particularly clear and explained that, as a preferred embodiment, in the present embodiment, the cooling portion 123 is a blower which is communicated with the air vent through a pipeline and supplies cold air to each battery module through the air vent.

As a further optimization of the above technical solution, the energy dissipater 122 includes a plurality of second energy dissipater plates 1221 and a plurality of reinforcing rods 1222, the second energy dissipater plates 1221 are arc-shaped structures, outer arc surfaces of the second energy dissipater plates 1221 point to outer side surfaces of the battery 211 groups, the second energy dissipater plates 1221 are coated on the battery 211 groups to form an energy dissipation structure, one end of each reinforcing rod 1222 is connected to an inner arc surface of the second energy dissipater plate 1221, and the other end of each reinforcing rod 1222 is connected to an inner side surface of the safety box 11.

In this embodiment, as shown in fig. 2 and 3, energy dissipation part 122 is through setting up a plurality of second energy dissipation plates 1221 and a plurality of bracing piece isotructure, is connected the extrados of arc second energy dissipation plate 1221 and the lateral surface of battery 211 group, makes the space formation cooling cavity between the intrados of second energy dissipation plate 1221 and the outer container simultaneously, sets up the bracing piece in addition between the medial surface of second energy dissipation plate 1221 and outer container, lets the air flow from the cooling cavity makes the utility model discloses not only realize cooling down the purpose to battery 211 group, when battery 211 group explodes simultaneously, the shock wave that the explosion produced at first can extrude arc second energy dissipation plate 1221 to the outside, and then makes second energy dissipation plate 1221 play the shock wave that the explosion produced and carry out the energy dissipation effect.

It is worth noting that, for clearer explanation of the present invention, when the supporting rod is installed, an included angle of 15-60 degrees is formed between the supporting rod and the inner side surface of the outer box, which is advantageous in that, when the second energy dissipation plate 1221 moves outwards, the supporting rod does not directly puncture the outer box and fly out.

As a further optimization of the above technical solution, the second energy dissipation plate 1221 includes an arc-shaped steel plate and an arc-shaped rib net, the arc-shaped rib net is disposed on an inner arc surface of the arc-shaped steel plate, and an outer arc surface of the arc-shaped steel plate contacts with an outer side surface of the battery 211 group.

In this embodiment, as shown in fig. 3, the second energy dissipating plate 1221 is provided with an arc-shaped steel plate and an arc-shaped rib net, and the arc-shaped rib net is arranged on an inner arc surface of the arc-shaped steel plate, so that when the arc-shaped steel plate moves outwards, the arc-shaped rib net can play a certain supporting role.

As a further optimization of the above technical solution, the safety box 11 includes a box body 111 and a supporting frame 112, the supporting frame 112 is a net-shaped skeleton structure, the supporting frame 112 is disposed on an inner wall of the box body 111, and a plurality of fixing portions are disposed on an outer wall of the box body 111.

In this embodiment, as shown in fig. 2, the safety box 11 adopts the structure of setting the supporting frame 112 in the box 111 by setting the box 111 and the supporting frame 112, and the reinforcing effect of the supporting frame 112 on the box 111 makes the outer box of the present invention has a stronger and more stable structure.

As a further optimization of the above technical solution, each side surface of the box body 111 is provided with a plurality of louver holes, and the louver holes are communicated with the cooling cavity.

In this embodiment, as shown in fig. 2, set up a plurality of tripe holes on the side of box 111 to let tripe hole and cooling cavity intercommunication, supply cold air in to the cooling cavity through the tripe hole, make the utility model discloses a carry out refrigerated purpose to battery 211 group.

It should be particularly clear and explained that, in the present embodiment, the louver holes include a louver hole for air intake and a louver hole for air outtake.

For better realization the utility model discloses, as preferred embodiment, as shown in fig. 1 ~ 4, the utility model discloses a work flow is: connecting the battery modules 2 to form a battery 211 group structure, placing the battery 211 group in the safety box 11, electrically connecting the electrostatic lead 224 with the grounding wire of the electrostatic conduction part 121, installing the structure in a to-be-used area, communicating the blower with the air hole through an air pipe, blowing cold air into the battery 211 group by using the blower, enabling the cold air to rapidly flow in the cooling space and take out heat generated by the battery modules 2, at the moment, feeding the cold air into the cooling cavity through the louver holes, and taking out the heat in the energy dissipation part 122 by the cold air; if a certain battery block 21 in the battery 211 group explodes, the shock wave generated by the explosion impacts the protective box 22, the protective box 22 dissipates energy through the first energy dissipation plate 222 and the first box 221, if more battery blocks explode and the protective box 22 is punctured, the safety box 11 dissipates the energy of the residual shock wave generated by the explosion and traps the fragments generated by the explosion in the box 111, and finally the protective function is realized.

Through the above scheme, utilize the guard box among the battery module and the secondary protection scheme of protective part to modular battery group, make the utility model discloses a carry out safety protection's purpose to modular battery group, can cause all the other batteries to follow the hidden danger of explosion when battery module explodes effectively to have avoided.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A modular green battery, comprising: the battery pack comprises a protection component (1) and at least two battery modules (2), wherein the battery modules (2) are connected with each other to form a battery pack, and the protection component (1) is coated outside the battery pack;

the battery module (2) comprises a battery block (21), a protective box (22) and a connecting assembly (23), the battery block (21) is arranged in the protective box (22) in an insulating mode, the connecting assembly (23) is arranged on the outer side face of the protective box (22), the connecting assembly (23) is electrically connected with the battery block (21), and the connecting assemblies (23) of two adjacent battery modules (2) are sequentially connected;

the protective box (22) comprises a first box body (221), a plurality of first energy dissipation plates (222), a plurality of first support rods (223) and a static lead (224), wherein the first energy dissipation plates (222) are of arc structures, the outer arc surfaces of the first energy dissipation plates (222) point to the outer side surfaces of the battery blocks (21), the first energy dissipation plates (222) are coated on the battery blocks (21) to form energy dissipation structures, one ends of the first support rods (223) are connected with the inner arc surfaces of the first energy dissipation plates (222), the other ends of the first support rods are connected with the inner wall of the first box body (221), cooling cavities are formed between the first energy dissipation plates (222) and the first box body (221), one ends of the static lead (224) are connected with the outer wall of the battery blocks (21), the other ends of the static lead are arranged outside the first box body (221), and the first box body (221) is of a square structure.

2. A modular green battery pack in accordance with claim 1, wherein: coupling assembling (23) are including spliced pole (231), power connection (232) and connecting portion (233), spliced pole (231) have two, spliced pole (231) set up respectively on the outer wall of first box (221), be provided with one power connection (232) on spliced pole (231) respectively, power connection (232) are connected with the anodal and negative pole electricity of battery block (21) respectively, connecting portion (233) set up on each side of first box (221).

3. A modular green battery pack in accordance with claim 2, wherein: the battery block (21) comprises a battery (211) and two conducting strips (212), the positive pole and the negative pole of the battery (211) are respectively connected with one conducting strip (212), and the conducting strips (212) are electrically connected with a power connector (232).

4. A modular green battery pack in accordance with claim 1, wherein: and a plurality of air holes are formed in each side surface of the first box body (221), and are communicated with the cooling chamber.

5. A modular green battery pack in accordance with claim 1, wherein: the safety box (1) comprises a safety box (11) and a protection assembly (12), the safety box (11) provides a protection effect for the protection assembly (12), a battery pack is installed in the protection assembly (12), a plurality of air holes are formed in the safety box (11), and the air holes ventilate cooling chambers of the battery modules (2).

6. A modular green battery pack, according to claim 5, wherein: the protection assembly (12) comprises an electrostatic conduction part (121), an energy dissipation part (122) and a cooling part (123), one end of the electrostatic conduction part (121) is connected with an electrostatic lead (224), the other end of the electrostatic conduction part is in contact with the ground, the energy dissipation part (122) is coated outside the battery pack, the safety box (11) is coated outside the energy dissipation group, a cooling cavity is formed between the energy dissipation group and the inner wall of the safety box (11), and the cooling part (123) is communicated with the air hole.

7. The modular green battery pack of claim 6, wherein: the energy dissipation part (122) comprises a plurality of second energy dissipation plates (1221) and a plurality of reinforcing rods (1222), the second energy dissipation plates (1221) are of arc-shaped structures, the outer arc surfaces of the second energy dissipation plates (1221) point to the outer side face of the battery pack, the second energy dissipation plates (1221) are coated on the battery pack to form an energy dissipation structure, one end of each reinforcing rod (1222) is connected with the inner arc surface of each second energy dissipation plate (1221), and the other end of each reinforcing rod is connected with the inner side face of the safety box (11).

8. The modular green battery pack of claim 7, wherein: the second energy dissipation plate (1221) comprises an arc-shaped steel plate and an arc-shaped rib net, the arc-shaped rib net is arranged on the inner arc surface of the arc-shaped steel plate, and the outer arc surface of the arc-shaped steel plate is in contact with the outer side surface of the battery pack.

9. The modular green battery pack of claim 6, wherein: safety box (11) include box (111) and support frame (112), support frame (112) are netted skeleton texture, support frame (112) set up on box (111) inner wall, be provided with a plurality of fixed parts on the outer wall of box (111).

10. The modular green battery pack of claim 6, wherein: each side of the box body (111) is provided with a plurality of louver holes, and the louver holes are communicated with the cooling cavity.