CN219067021U

CN219067021U - Energy storage container

Info

Publication number: CN219067021U
Application number: CN202320134723.5U
Authority: CN
Inventors: 张伟; 高海峰; 王金寿; 魏楠; 刘骥鲁; 郝大正; 李振华; 宋晓丹; 鲁园; 王凤; 王宁; 曹曦; 刘明义; 曹传钊; 王璐瑶
Original assignee: Huaneng Yantai New Energy Co ltd; Huaneng Clean Energy Research Institute
Current assignee: Huaneng Yantai New Energy Co ltd; Huaneng Clean Energy Research Institute
Priority date: 2023-01-13
Filing date: 2023-01-13
Publication date: 2023-05-23
Anticipated expiration: 2033-01-13

Abstract

The utility model discloses an energy storage container, which comprises: the middle position of box bottom is equipped with the maintenance layer, and the maintenance layer extends along the length direction of box, and the both sides of maintenance layer in box width direction are equipped with the battery layer respectively, and the wiring support is in the maintenance layer, and wiring support and the lateral wall of maintenance layer prescribe a limit jointly to low pressure communication line passageway, low pressure power line passageway and the high pressure power line passageway of interval distribution. According to the energy storage container disclosed by the embodiment of the utility model, the wire harness is pre-buried in the maintenance layer in the middle of the container body, and compared with the wiring modes on two sides in the related art, the concentrated wiring mode of the energy storage container is convenient for the installation and maintenance of the wire harness. And the low-voltage communication line channel, the low-voltage power line channel and the high-voltage power line channel are divided through the wiring support, so that the wiring is convenient, the safety distance between different types of wire harnesses is ensured, and the mutual influence between the wire harnesses is avoided.

Description

Energy storage container

Technical Field

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

Background

With the development of new energy technology, energy storage containers are increasingly widely used as a type of energy storage equipment. The energy storage container is constructed based on container facilities, is highly integrated energy storage equipment, and has the characteristics of high integration level, small occupied area and the like. The energy storage container is internally provided with a battery module, a power management system (BMS), an Energy Management System (EMS), an energy storage converter (PCS) and the like. In the related art, container wiring is mainly divided into two types of wire harnesses, namely a low-voltage secondary power supply and a communication wire, and a high-voltage power wire. Because the space in the container is limited, the container is routed at the bottoms of two sides of the container, and the maintainability is poor.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent.

To this end, embodiments of the present utility model provide a high maintenance, hidden wired energy storage container.

The energy storage container of the embodiment of the utility model comprises: the box and wiring support, the intermediate position of box bottom is equipped with the maintenance layer, the maintenance layer is followed the length direction of box extends, the maintenance layer be equipped with the battery layer respectively in box width direction's both sides, the wiring support is in the maintenance layer, the wiring support with the low pressure communication line passageway, low pressure power line passageway and the high pressure power line passageway of interval distribution are injectd jointly to the lateral wall of maintenance layer.

According to the energy storage container disclosed by the embodiment of the utility model, the wire harness is pre-buried in the maintenance layer in the middle of the container body, and compared with the wiring modes on two sides in the related art, the concentrated wiring mode of the energy storage container is convenient for the installation and maintenance of the wire harness. And the low-voltage communication line channel, the low-voltage power line channel and the high-voltage power line channel are divided through the wiring support, so that the wiring is convenient, the safety distance between different types of wire harnesses is ensured, and the mutual influence between the wire harnesses is avoided.

In some embodiments, the maintenance layer includes a maintenance cover plate, a first side plate and a second side plate, the first side plate and the second side plate are distributed at intervals along the width direction of the box body, the lower end of the first side plate and the lower end of the second side plate are connected with the bottom plate of the box body, and two ends of the maintenance cover plate along the width direction of the box body are respectively detachably connected with the first side plate and the second side plate.

In some embodiments, the first side plate is provided with a plurality of first wire inlet holes, the first wire inlet holes are distributed at intervals along the length direction of the box body, the second side plate is provided with a plurality of second wire inlet holes, and the first wire inlet holes and the second wire inlet holes are in one-to-one correspondence.

In some embodiments, the wiring support comprises a first welding plate, a first table-shaped piece, a supporting plate, a second table-shaped piece and a second welding plate which are sequentially connected, wherein the first welding plate and the second welding plate are connected with the bottom plate of the box body; the first welding plate and the channel between the maintenance cover plates and the second welding plate and the channel between the maintenance cover plates are low-voltage communication line channels, the channel between the first square piece and the bottom plate of the box body and the channel between the second square piece and the bottom plate of the box body are low-voltage power line channels, and the channel between the support plate and the maintenance cover plates and the channel between the support plate and the bottom plate of the box body are high-voltage power line channels.

In some embodiments, the first table comprises a first vertical section, a first horizontal section and a second vertical section, wherein the lower end of the first vertical section is connected with the first welding plate, the two ends of the first horizontal section are respectively connected with the upper end of the first vertical section and the upper end of the second vertical section, and the lower end of the second vertical section is connected with one end of the supporting plate;

the second few-shaped pieces comprise a third vertical section, a second horizontal section and a fourth vertical section, the lower end of the third vertical section is connected with the second welding plate, the two ends of the second horizontal section are respectively connected with the upper end of the third vertical section and the upper end of the fourth vertical section, and the lower end of the fourth vertical section is connected with the other end of the supporting plate.

In some embodiments, the upper wall of the first horizontal segment is in contact with the lower wall of the service cover plate and the upper wall of the second horizontal segment is in contact with the lower wall of the service cover plate.

In some embodiments, the wiring support is a plurality of wiring supports, and the plurality of wiring supports are distributed at intervals along the length direction of the box body.

In some embodiments, the routing bracket is provided with a plurality of ligature holes.

In some embodiments, the surface of the wiring support is provided with an anti-interference coating.

In some embodiments, any one of the battery layers includes a plurality of battery support plates, a plurality of battery support plates are distributed along the length direction of the box body at intervals, a plurality of battery support plates are in one-to-one correspondence with a plurality of first wire inlet holes or a plurality of second wire inlet holes, the battery support plates are connected with the inner peripheral wall of the box body, a plurality of positioning holes are formed in the battery support plates, and wire protection teeth are arranged at the positioning holes.

Drawings

Fig. 1 is a schematic top view of the internal structure of an energy storage container of an embodiment of the present utility model.

Fig. 2 is a schematic front view of the internal structure of an energy storage container according to an embodiment of the present utility model.

Fig. 3 is an exploded schematic view of a part of the structure of an energy storage container according to an embodiment of the present utility model.

Fig. 4 is a schematic structural view of a wiring bracket of an energy storage container according to an embodiment of the present utility model.

Reference numerals:

a box body 1,

A maintenance layer 2, a maintenance cover plate 21, a first side plate 22, a first wire inlet 221, a second side plate 23, a second wire inlet 231, a battery layer 3, a battery support plate 31, a positioning hole 311, wire protection teeth 312,

The wiring bracket 4, the first welding plate 41, the first rectangular piece 42, the supporting plate 43, the second rectangular piece 44, the second welding plate 45, the low-voltage communication line channel 401, the low-voltage power line channel 402, the high-voltage power line channel 403 and the binding hole 404.

Detailed Description

Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

An energy storage container according to an embodiment of the present utility model is described below with reference to the accompanying drawings.

As shown in fig. 1 to 4, the energy storage container of the embodiment of the present utility model includes: a cabinet 1 and a wiring support 4. The middle position of the bottom of the box body 1 is provided with a maintenance layer 2, the maintenance layer 2 extends along the length direction (the front-back direction as shown in fig. 1) of the box body 1, and two sides of the maintenance layer 2 in the width direction (the left-right direction as shown in fig. 1) of the box body 1 are respectively provided with a battery layer 3. The wiring support 4 is arranged in the maintenance layer 2, and the wiring support 4 and the side wall of the maintenance layer 2 jointly define a low-voltage communication line channel 401, a low-voltage power line channel 402 and a high-voltage power line channel 403 which are distributed at intervals.

Wherein, the box 1 is enclosed by roof, bottom plate and curb plate all around. The maintenance layer 2 and the battery layer 3 are both arranged inside the box body 1, as shown in fig. 1, the maintenance layer 2 is positioned at the middle position of the bottom of the box body 1, and the two battery layers 3 are arranged on the left side and the right side of the maintenance layer 2. The battery layer 3 is used for installing battery clusters, and the maintenance layer 2 is used for wiring. And, as shown in fig. 2, the low-voltage communication line channel 401, the low-voltage power line channel 402 and the high-voltage power line channel 403 are divided in the maintenance layer 2 by the wiring support 4, thereby facilitating the arrangement and maintenance of different types of wire harnesses.

Further, the low-voltage communication line channel 401 and the low-voltage power line channel 402 are spaced at least 30mm apart from each other, and the low-voltage power line channel 402 and the high-voltage power line channel 403 are spaced at least 30mm apart from each other, so that a safety distance is ensured, and mutual influence of different types of wire harnesses on wiring is avoided.

According to the energy storage container disclosed by the embodiment of the utility model, the wire harness is pre-buried in the maintenance layer 2 in the middle of the box body 1, and compared with the wiring modes on two sides in the related art, the energy storage container is convenient to install and maintain in a centralized wiring mode. And, divide low-pressure communication line passageway 401, low-pressure power line passageway 402 and high-pressure power line passageway 403 through wiring support 4, when convenient wiring, still ensured the safe distance between the pencil of different grade type, avoid the mutual influence between the pencil.

In some embodiments, as shown in fig. 1 to 3, the maintenance layer 2 includes a maintenance cover 21, a first side plate 22 and a second side plate 23, the first side plate 22 and the second side plate 23 being spaced apart in the width direction of the case 1, the lower ends of the first side plate 22 and the second side plate 23 being connected to the bottom plate of the case 1, and both ends of the maintenance cover 21 in the width direction of the case 1 being detachably connected to the first side plate 22 and the second side plate 23, respectively.

Alternatively, as shown in fig. 2 and 3, the first side plate 22 and the second side plate 23 are both disposed in the up-down direction, the first side plate 22 is located on the left side of the second side plate 23, and the lower end of the first side plate 22 and the lower end of the second side plate 23 are both connected to the upper end face of the bottom plate of the case 1. The first side plate 22, the second side plate 23, and the maintenance cover 21 all extend in the front-rear direction, and the lengths (distances in the front-rear direction) of the three are the same. The maintenance cover 21 is horizontally disposed, and the width (distance in the left-right direction) of the maintenance cover 21 is the same as the distance in the left-right direction of the first side plate 22 and the second side plate 23. The left end of the maintenance cover 21 is detachably connected to the upper end of the first side plate 22, and the right end of the maintenance cover 21 is detachably connected to the upper end of the second side plate 23.

For example, as shown in fig. 2, a first clamping groove is provided at the junction of the upper end surface and the right end surface of the first side plate 22, the first clamping groove extends in the front-rear direction, and a first protrusion fitted in the first clamping groove is provided at the left end of the maintenance cover plate 21. The junction of the upper end surface and the left end surface of the second side plate 23 is provided with a second clamping groove, the second clamping groove extends along the front-back direction, and the right end of the maintenance cover plate 21 is provided with a second bulge matched in the second clamping groove. Therefore, the first protrusions and the first clamping grooves and the second protrusions and the second clamping grooves are matched, so that the maintenance cover plate 21 is clamped at the upper ends of the first side plate 22 and the second side plate 23, the maintenance cover plate 21 is detachable, and the wire harness below the maintenance cover plate 21 is convenient to install and maintain. And, by maintaining the cover plate 21 to shield, the aesthetic property is improved.

In some embodiments, as shown in fig. 3, a plurality of first wire inlet holes 221 are provided on the first side plate 22, and the plurality of first wire inlet holes 221 are distributed at intervals along the length direction of the box 1. The second side plate 23 is provided with a plurality of second wire inlet holes 231, and the plurality of first wire inlet holes 221 and the plurality of second wire inlet holes 231 are in one-to-one correspondence.

It will be appreciated that the wire harness of the battery layer 3 located on the left side of the service layer 2 enters the service layer 2 through the first wire inlet 221, and the wire harness of the battery layer 3 located on the right side of the service layer 2 enters the service layer 2 through the second wire inlet 231. Since the battery clusters on the left and right sides are oppositely arranged, the left and right positions of the plurality of first wire inlet holes 221 and the plurality of second wire inlet holes 231 are also in one-to-one correspondence, so as to ensure that each battery cluster corresponds to one wire inlet hole.

In some embodiments, as shown in fig. 2 to 4, the wiring bracket 4 includes a first welding plate 41, a first polygonal member 42, a support plate 43, a second polygonal member 44, and a second welding plate 45, which are sequentially connected, and the first welding plate 41 and the second welding plate 45 are connected to the bottom plate of the case 1.

The channels between the first welding plate 41 and the maintenance cover plate 21 and the channels between the second welding plate 45 and the maintenance cover plate 21 are low-voltage communication line channels 401, the channels between the first manifold 42 and the bottom plate of the box body 1 and the channels between the second manifold 44 and the bottom plate of the box body 1 are low-voltage power line channels 402, and the channels between the support plate 43 and the maintenance cover plate 21 and the channels between the support plate 43 and the bottom plate of the box body 1 are high-voltage power line channels 403.

Alternatively, as shown in fig. 2 and 4, the wiring bracket 4 includes a first welding plate 41, a first polygonal piece 42, a support plate 43, a second polygonal piece 44, and a second welding plate 45, which are sequentially connected from left to right. In other words, the support plate 43 is disposed in the left-right direction with the support plate 43 as a center reference, the first and second

geometric pieces

42 and 44 are symmetrically disposed at both left and right sides of the support plate 43, the first geometric piece 42 is connected to the left end of the support plate 43, and the second geometric piece 44 is connected to the right end of the support plate 43. The first welding plate 41 and the second welding plate 45 are also symmetrically disposed at both left and right sides of the support plate 43, and the first welding plate 41 is positioned at the left side of the first polygonal member 42 and the second welding plate 45 is positioned at the right side of the second polygonal member 44.

Specifically, as shown in fig. 2, the first welding plate 41 and the second welding plate 45 are both horizontally disposed, the lower wall surfaces of the first welding plate 41 and the second welding plate are both attached to the bottom plate of the box 1, and the first welding plate 41 and the second welding plate 45 are both fixedly connected to the bottom plate of the box 1 by welding.

Further, as shown in fig. 2, the area channel located directly above the first welding plate 41 and below the maintenance cover plate 21, and the area channel located directly above the second welding plate 45 and below the maintenance cover plate 21 are both low-voltage communication line channels 401.

The area channel directly under the first piece 42 and above the bottom plate of the case 1, and the area channel directly under the second piece 44 and above the bottom plate of the case 1 are both low-voltage power line channels 402.

The area channel located directly above the support plate 43 and below the maintenance cover plate 21, and the area channel located directly below the support plate 43 and above the bottom plate of the case 1 are both high-voltage power line channels 403. The high-voltage power line is divided into two layers of wiring, the skin effect of the power line is mainly considered, and the wiring mode is beneficial to heat dissipation.

In some embodiments, as shown in fig. 2 to 4, the first polygonal member 42 includes a first vertical section, a first horizontal section, and a second vertical section, a lower end of the first vertical section is connected to the first welding plate 41, both ends of the first horizontal section are connected to an upper end of the first vertical section and an upper end of the second vertical section, respectively, and a lower end of the second vertical section is connected to one end of the support plate 43.

The second square 44 includes a third vertical section, a second horizontal section, and a fourth vertical section, the lower end of the third vertical section is connected to the second welding plate 45, both ends of the second horizontal section are connected to the upper end of the third vertical section and the upper end of the fourth vertical section, respectively, and the lower end of the fourth vertical section is connected to the other end of the support plate 43.

Specifically, as shown in fig. 2 to 4, the upper end of the first vertical section is flush with the upper end of the second vertical section, and the lower end of the first vertical section is located below the lower end of the second vertical section. The lower end of the first vertical section is connected to the right end of the first welding plate 41, the upper end of the first vertical section is connected to the left end of the first horizontal section, the right end of the first horizontal section is connected to the upper end of the second vertical section, and the lower end of the second vertical section is connected to the left end of the support plate 43.

The upper end of the third vertical section is flush with the upper end of the fourth vertical section, and the lower end of the third vertical section is positioned below the lower end of the fourth vertical section. The lower end of the third vertical section is connected with the left end of the second welding plate 45, the upper end of the third vertical section is connected with the right end of the second horizontal section, the left end of the second horizontal section is connected with the upper end of the fourth vertical section, and the lower end of the fourth vertical section is connected with the end of the supporting plate 43.

Further, as shown in fig. 2, the upper wall surface of the first horizontal section is in contact with the lower wall surface of the maintenance cover 21, and the upper wall surface of the second horizontal section is in contact with the lower wall surface of the maintenance cover 21. It will be appreciated that the wiring support 4, in addition to dividing the passage, also serves as a support for the maintenance cover 21, avoiding the occurrence of intermediate collapse down due to excessive span of the maintenance cover 21.

In some embodiments, as shown in fig. 3, the wiring support 4 is a plurality of wiring supports 4, and the plurality of wiring supports 4 are distributed at intervals along the length direction of the case 1. And, a wiring bracket 4 is provided between any one set of adjacent two wire outlets in the front-rear direction. In other words, one wiring bracket 4 is provided between two adjacent first wire holes or between two adjacent second wire holes in the front-rear direction.

In some embodiments, as shown in FIG. 4, a plurality of ligature holes 404 are provided in the wiring bracket 4. It will be appreciated that a fitting such as a tie may be used to penetrate the tie holes 404 to secure the wire harness.

Specifically, as shown in fig. 4, two ligature holes 404 are formed in the first vertical section at intervals in the front-rear direction, two ligature holes 404 are also formed in the third vertical section at intervals in the front-rear direction, and four ligature holes 404 are formed in the support plate 43 at intervals in the left-right direction.

In some embodiments, the surface of the wiring support 4 is provided with a tamper-proof coating. For example, the tamper-resistant coating may employ one or more of copper foil, aluminum foil, silver foil, electromagnetic wave shielding paint, or metallic coating material.

In some embodiments, any battery layer 3 includes a plurality of battery support plates 4331, the plurality of battery support plates 4331 are distributed at intervals along the length direction of the box 1, the plurality of battery support plates 4331 are in one-to-one correspondence with the plurality of first wire inlet holes 221 or the plurality of second wire inlet holes 231, the battery support plates 4331 are connected with the inner peripheral wall of the box 1, a plurality of positioning holes 311 are formed in the battery support plates 4331, and wire protection teeth 312 are formed at the positioning holes 311.

It will be appreciated that there are two battery layers 3, with two battery layers 3 being located on either side of the repair layer 2. The plurality of battery support plates 4331 included in the battery layer 3 located on the left side are in one-to-one correspondence with the plurality of first wire inlet holes 221, and the plurality of battery support plates 4331 included in the battery layer 3 located on the right side are in one-to-one correspondence with the plurality of second wire inlet holes 231, so that each battery support plate 4331 is ensured to correspond to one wire inlet hole.

Specifically, as shown in fig. 3, four positioning holes 311 are provided on the battery support plate 4331, and wire protecting teeth 312 are respectively provided on the four positioning holes 311.

In the description of the present utility model, 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 utility model 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 utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean 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 utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While the above embodiments have been shown and described, it should be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the utility model.

Claims

1. An energy storage container, comprising:

the box body, the intermediate position of box body bottom is equipped with the maintenance layer, the maintenance layer extends along the length direction of box body, the both sides of maintenance layer in the box body width direction are equipped with the battery layer respectively;

the wiring support is arranged in the maintenance layer, and the wiring support and the side wall of the maintenance layer jointly define a low-voltage communication line channel, a low-voltage power line channel and a high-voltage power line channel which are distributed at intervals.

2. The energy storage container of claim 1, wherein the maintenance layer comprises a maintenance cover plate, a first side plate and a second side plate, the first side plate and the second side plate are distributed at intervals along the width direction of the container body, the lower ends of the first side plate and the second side plate are connected with the bottom plate of the container body, and two ends of the maintenance cover plate along the width direction of the container body are respectively detachably connected with the first side plate and the second side plate.

3. The energy storage container according to claim 2, wherein a plurality of first wire inlet holes are formed in the first side plate, the first wire inlet holes are distributed at intervals along the length direction of the container body, a plurality of second wire inlet holes are formed in the second side plate, and the first wire inlet holes and the second wire inlet holes are in one-to-one correspondence.

4. The energy storage container of claim 2, wherein the wiring bracket comprises a first welding plate, a first table-shaped piece, a supporting plate, a second table-shaped piece and a second welding plate which are connected in sequence, wherein the first welding plate and the second welding plate are connected with a bottom plate of the box body;

the first welding plate and the channel between the maintenance cover plates and the second welding plate and the channel between the maintenance cover plates are low-voltage communication line channels, the channel between the first square piece and the bottom plate of the box body and the channel between the second square piece and the bottom plate of the box body are low-voltage power line channels, and the channel between the support plate and the maintenance cover plates and the channel between the support plate and the bottom plate of the box body are high-voltage power line channels.

5. The energy storage container of claim 4, wherein the first manifold comprises a first vertical section, a first horizontal section and a second vertical section, the lower end of the first vertical section being connected to the first welding plate, the two ends of the first horizontal section being connected to the upper end of the first vertical section and the upper end of the second vertical section, respectively, the lower end of the second vertical section being connected to one end of the support plate;

6. The energy storage container of claim 5, wherein an upper wall of the first horizontal section is in contact with a lower wall of the service deck and an upper wall of the second horizontal section is in contact with a lower wall of the service deck.

7. The energy storage container of claim 1, wherein the plurality of wiring brackets are spaced apart along the length of the housing.

8. The energy storage container of claim 1, wherein said wiring bracket is provided with a plurality of lashing holes.

9. The energy storage container of claim 1, wherein the surface of the wiring support is provided with an anti-tamper coating.

10. The energy storage container according to claim 3, wherein any one of the battery layers comprises a plurality of battery support plates, the plurality of battery support plates are distributed at intervals along the length direction of the container body, the plurality of battery support plates are in one-to-one correspondence with the plurality of first wire inlet holes or the plurality of second wire inlet holes, the battery support plates are connected with the inner peripheral wall of the container body, a plurality of positioning holes are formed in the battery support plates, and wire protection teeth are arranged at the positioning holes.