CN219329328U - Box and energy storage system - Google Patents

Abstract

The application is applicable to the technical field of waterproof of conductive components, and provides a box and an energy storage system, wherein the energy storage system comprises a box and a battery, the box comprises a first component, a second component and a third component, the first component and the second component are oppositely arranged along a first direction, and the third component is arranged between the first component and the second component and surrounds the first component and the second component to form an accommodating space; the first member having a first inner wall with opposed first and second ends, the second end being connected to the third member; in the first direction, the first inner wall extends from the first end toward the third member to the second end. So set up, when the first inner wall of first part is attached with the water droplet, the water droplet can be along the direction of first inner wall from first end towards the second end under the action of gravity to slide along the junction of first inner wall towards third part and second end, can improve the direct drip of water droplet of first inner wall like this and arrive accommodation space in the problem.

Description

Box and energy storage system

Technical Field

The application belongs to the technical field of waterproof conductive parts, and more particularly relates to a box and an energy storage system.

Background

The energy storage system generally includes a housing and a battery disposed within the housing. In some cases, condensed water forms on the tank, which mostly adheres to the inner wall of the tank roof. The comdenstion water on the inner wall at box top can drip under self gravity effect, has the risk that comdenstion water drips to battery, the conductive line etc. in the box, causes energy storage system's insulating properties to receive the influence.

Disclosure of Invention

In view of the above, the present application provides a tank and an energy storage system, which can improve the problem of condensed water dripping in the related art.

In a first aspect, the present application provides a case comprising:

a first component;

a second member arranged opposite to the first member in the first direction;

the third component is arranged between the first component and the second component, and forms an accommodating space with the first component and the second component in a surrounding way;

the first member having a first inner wall with opposed first and second ends, the second end being connected to the third member; in a first direction, the first inner wall extends from the first end toward the second member to the second end; the first inner wall is disposed obliquely with respect to the first direction.

The application provides a box, when using, can arrange the first direction into vertical direction to make first end be located the top of second end. When the first inner wall of the first component is attached with water drops, the water drops can slide along the direction from the first end to the second end of the first inner wall under the action of gravity so as to slide along the first inner wall to the joint of the third component and the second end, and therefore the problem that the water drops of the first inner wall directly drop into the accommodating space can be solved. Based on the above, the box body has better insulation performance, so that the energy storage system formed by the box body also has better insulation performance.

In some embodiments, the first inner wall is provided with a hydrophobic layer.

Be provided with the hydrophobic layer through first inner wall for when the water droplet slides along first inner wall under the effect of gravity, the hydrophobic layer can make the water droplet slide towards the second end fast, in order to improve the problem that the water droplet drips along first inner wall gliding in-process.

In some embodiments, the projection of the second end along the first direction surrounds the periphery of the projection of the first end along the first direction;

alternatively, the first end is connected to the third member.

Through setting up first inner wall into pyramid, cone, round platform form, prismatic platform form, whole shape such as slope for first direction, all can make the water droplet that adheres to on the first inner wall slide along first inner wall to slide towards the second end, can improve the problem that the water droplet directly drips to accommodation under the action of gravity like this.

In some embodiments, the case further includes a baffle member connected to the first member and/or the third member and enclosing to form a drainage channel for receiving water droplets sliding off the first inner wall.

Through adopting above-mentioned technical scheme, can improve the drop of adhering to on the first inner wall and drop the problem in accommodation space to can make the box have better insulating properties, so that the energy storage system who comprises the box has better insulating properties.

In some embodiments, the drainage channel has a second inner wall disposed on the enclosure and inclined relative to the first direction; the second inner wall is provided with a third end and a fourth end which are opposite, the third end and the fourth end are distributed in sequence along the direction that the second end points to the first end, and the third end is connected with the first component and/or the third component.

Through adopting above-mentioned technical scheme to make the second inner wall arrange for first direction slope, on the one hand can make the water drainage tank realize the accumulation of water droplet better, on the other hand can also improve the problem that the water droplet overflowed to accommodation space from the fourth end of second inner wall, thereby can improve the problem that the water droplet drips on battery, conductive line or other conductive parts in the accommodation space.

In some aspects, the drain tank has a first drain opening located at the third end and adapted to communicate with an external environment.

The first water outlet is arranged at the third end through the water drainage groove, and after the water drops attached to the first inner wall slide into the water drainage groove along the first inner wall, the water drops can be gathered at the third end of the water drainage groove, namely, the first water outlet. In this way, the water drops can pass through the first water outlet under the action of gravity so as to be conveniently discharged into the external environment, and therefore the problem that the water drops overflow from the water discharge groove into the accommodating space can be solved.

In some aspects, the enclosure comprises:

a receiving portion, one end of which is connected to the first member and/or the third member;

the enclosing part is arranged at the other end of the bearing part and encloses with the bearing part to form a drainage groove.

Through connecting the one end of carrying portion in first part and/or third part, and will enclose the fender portion setting in carrying portion other one end to make carrying portion can accept the water droplet that slides to the water drainage tank from first inner wall, and enclose the fender portion and can enclose the water droplet that blocks in the water drainage tank, thereby can improve the problem that the water droplet overflows to in the accommodation space.

In some technical schemes, the first inner wall is provided with a plurality of first grooves which are distributed along the second direction in sequence, the first grooves extend along the direction of the first end pointing to the second end, and the direction of the first end pointing to the second end is intersected with the second direction.

Through the setting of first recess, can realize the concentrated slip of water droplet, and can also provide the guide effect to the slip of water droplet for the water droplet can carry out the directional slip in first recess, so can improve the slip efficiency of water droplet on first inner wall, namely can realize the slip of water droplet in the short time, can improve the problem that the water droplet leads to the drip to accommodation space on first inner wall long-time stagnant, the direct drip of water droplet to accommodation space in the problem that promptly can effectively improve.

In some embodiments, two adjacent first grooves pass through a planar transition.

Through setting up the plane between two adjacent first recesses, can realize the buffering to the water droplet, can improve the easy problem of dripping of water droplet that the tip structure brought, that is, can improve the problem that the water droplet drips to accommodation space in.

In some aspects, the third component has a third inner wall connected to the first inner wall at the second end; the third inner wall is provided with a second groove extending in the first direction, and the first groove and the second groove are communicated at the second end.

The second groove is formed in the third inner wall of the third component and extends along the first direction, and the second groove is communicated with the first groove, so that when the water drops attached to the first inner wall slide to the second end along the first groove, the water drops can slide into the second groove continuously and slide back to the first inner wall along the first direction. Based on this, the slip of water droplet on first inner wall and third inner wall all can realize the direction slip to can improve the slip efficiency of water droplet, and then can realize the slip of water droplet in the short time, with the problem that improves the water droplet and stagnate and drip in the accommodation space on first inner wall for a long time.

In some embodiments, the walls of the first recess are provided with a hydrophobic layer.

Through setting up the hydrophobic layer at the cell wall of first recess, can make the water droplet of adhesion in first recess flow to the tank bottom of first recess under the hydrophobicity matter of hydrophobic layer, be convenient for the water droplet like this and carry out the directional slip along the extending direction of first recess, and then be convenient for the water droplet slide to the second end fast along first recess to can improve the problem that the water droplet drips to accommodation space in.

In some embodiments, the third component has a third inner wall, the second component has a fourth inner wall, and opposite ends of the third inner wall along the first direction are respectively connected with the second end and the fourth inner wall; the connection position of the third inner wall and the fourth inner wall is provided with a second water outlet which is used for communicating with the external environment, or the fourth inner wall is provided with a second water outlet which is used for communicating with the external environment.

By adopting the technical scheme, the connection position of the fourth inner wall and the third inner wall or the second water outlet is formed in the fourth inner wall. Thus, when the water drops attached to the first inner wall slide along the first inner wall to the second end and continue to slide along the third inner wall to the fourth inner wall; or when the water drops attached to the third inner wall slide to the fourth inner wall, the water drops can be discharged to the external environment through the second water outlet, so that the problem that the water drops are gathered in the accommodating space can be solved, and the problem that the water drops submerge the conductive circuit or other conductive parts in the accommodating space can be solved.

In some aspects, the fourth inner wall is inclined relative to the first direction, and in the first direction, the fourth inner wall extends away from the first inner wall to the second drain opening.

By adopting the technical scheme, when the water drops attached to the first inner wall slide to the third inner wall so as to slide to the fourth inner wall; alternatively, the water droplets adhering to the third inner wall slide to the fourth inner wall; or, when the water drops attached to the other side walls of the third member except the third inner wall slide to the fourth inner wall, the water drops can slide along the fourth inner wall under the action of gravity to flow to the second water outlet, so that the water drops can be discharged to the external environment, and thus the problem of water accumulation in the third member can be improved.

In some aspects, the third member has a first cross-section, the first cross-section being perpendicular to the first direction and passing through the second end; the first inner wall and the first section form a first included angle, and the range of the first included angle is 1-45 degrees.

The first included angle formed by the first inner wall and the first section is set to be 1-45 degrees, so that the first inner wall is not too large in inclination angle relative to the first direction, and the size of the first component in the first direction is not too large. In addition, the water drops can slide along the first inner wall rapidly, so that the problem of dropping of the water drops can be solved.

In a second aspect, the present application provides an energy storage system, including a case and a battery disposed in the case.

The utility model provides an energy storage system, owing to adopt the box that above-mentioned each technical scheme relates to, can improve the drop in the box to the problem of battery, conductive line or other conductive parts in the accommodation space equally, and then can improve energy storage system's short circuit scheduling problem, and then make the energy storage system who constitutes by the box also have the insulating properties of preferred.

The foregoing description is only an overview of the technical solutions of the present application, and may be implemented according to the content of the specification in order to make the technical means of the present application more clearly understood, and in order to make the above-mentioned and other objects, features and advantages of the present application more clearly understood, the following detailed description of the present application will be given.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required for the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an energy storage system provided in some embodiments of the present application;

FIG. 2 is a perspective view of a case provided in some embodiments of the present application;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a perspective view of a case provided in some embodiments of the present application;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 4;

FIG. 6 is an enlarged view at C in FIG. 2;

FIG. 7 is an enlarged view of FIG. 3 at D;

FIG. 8 is a cross-sectional view of a tank provided in some embodiments of the present application;

FIG. 9 is a cross-sectional view of a tank provided in some embodiments of the present application;

FIG. 10 is an enlarged view at E in FIG. 4;

FIG. 11 is a cross-sectional view of a tank provided in some embodiments of the present application;

FIG. 12 is a cross-sectional view of a tank provided in some embodiments of the present application;

FIG. 13 is a cross-sectional view of a tank provided in some embodiments of the present application;

fig. 14 is a cross-sectional view of a case provided in some embodiments of the present application.

Wherein, each reference sign in the figure:

1000-an energy storage system; 100-box body; 200-battery; 10-a first part; 101-a first inner wall; 1011-first grooves; 1012-plane; 102-a first end; 103-a second end; 20-a second component; 201-fourth inner wall; 30-a third component; 301-a third inner wall; 302-a second groove; 303-a second drain port; 304-a fifth inner wall; 305-sixth inner wall; 40-a fence; 401-a second inner wall; 402-third end; 403-fourth end; 41-a receiving portion; 42-a fence; 50-drainage grooves; 60-a first drain port; 70-a first drain pipe; 80-a second drain; 90-accommodation space; beta-first included angle; z-a first direction; y-second direction.

Detailed Description

Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended for the purpose of explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements 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 application.

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 one or more such feature.

In the description of the present application, the meaning of "plurality" is two or more, and "two or more" includes two unless specifically defined otherwise. Accordingly, "multiple sets" means more than two sets, including two sets.

In the description of the present application, unless explicitly stated 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 integrated; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In the description of the present application, the term "and/or" is merely an association relation describing an associated object, and means that three relations may exist, for example, a and/or B may mean: there are three cases, a, B, a and B simultaneously. In the present application, the character "/" generally indicates that the front and rear related objects are an or relationship.

In the related art, a battery is generally accommodated in a case to form an energy storage system such as an energy storage electric cabinet and an energy storage container with the case.

In some cases, condensed water may form on the tank, which risks dripping into the battery, conductive lines, etc. within the tank, resulting in an impact on the insulating properties of the energy storage system.

For example, in some applications, to increase the heat dissipation efficiency of the battery, the energy storage system generally uses a liquid cooling mode to dissipate the heat of the battery. Thus, condensed water is formed on the tank during the liquid cooling process, and the condensed water is mostly attached to the inner wall of the top of the tank. The comdenstion water on the inner wall at box top can drip under the gravity effect of self to can drip battery, conductive line or other electrically conductive parts in the box, that is, energy storage system's insulating properties receives the influence, causes energy storage system to appear safety problems such as short circuit easily.

Based on the above considerations, the embodiments of the present application provide a tank and an energy storage system, by setting the first inner wall of the first component to extend in the first direction from the first end toward the second component to the second end, and the second end is connected with the third component, such that the first inner wall is inclined with respect to the first direction, and when the first direction is the vertical direction, the first component may be located above the second component, and accordingly, the first end is located above the second end. In this way, the first direction may be arranged in use in a vertical direction such that the first component is above the second component and the first end is above the second end. When the first inner wall of the first component is attached with condensed water, the condensed water can slide along the direction from the first end to the second end of the first inner wall under the action of gravity so as to slide along the first inner wall to the joint of the third component and the second end, thus the problem that the condensed water of the first inner wall directly drops to a battery, a conductive circuit or other conductive components can be solved, and an energy storage system formed by the box body has better insulating property.

The energy storage system that involves in this application embodiment can be energy storage electric cabinet, and energy storage electric cabinet can include the cabinet body and battery, and the battery holds in the cabinet body. The box body can be a cabinet body of the energy storage electric cabinet.

The energy storage system referred to in the embodiments of the present application may also be an energy storage container, which may include a container and a battery. In some embodiments, referring to fig. 1, a battery 200 is housed in a container. Wherein the container body 100 may be a container. In some embodiments, the energy storage container may further comprise a cabinet in which the battery is housed to form an energy storage electrical cabinet, which is then housed together in the container. The box body can be a cabinet body or a container.

Embodiments of the present application relate to batteries that refer to a single physical module that may include one or more battery cells to provide higher voltage and capacity. When a plurality of battery cells are arranged, the plurality of battery cells are connected in series, in parallel or in series-parallel through the converging component, and the series-parallel refers to that the plurality of battery cells are connected in series or in parallel.

In some embodiments, the battery may be a battery module, and when there are a plurality of battery cells, the plurality of battery cells are arranged and fixed to form one battery module.

In some embodiments, the battery may be a battery pack, which may include a case structure and battery cells, the battery cells or battery modules being housed in the case structure.

Although the box body according to the embodiment of the application is developed based on the problem of dripping of condensed water in the battery liquid cooling process, the application scene is not limited to this, and any scene requiring waterproof conductive parts can be used. That is, the case may also be used to house other components than the battery to improve the problem of dripping of water droplets on the inner wall of the case.

For convenience of description, embodiments of the present application will be mainly described by taking a case for accommodating a battery as an example.

Referring to fig. 1 to 5, a case 100 according to an embodiment of the present application includes a first component 10, a second component 20, and a third component 30. The first part 10 and the second part 20 are arranged opposite in a first direction Z. The third member 30 is disposed between the first member 10 and the second member 20, and encloses the first member 10 and the second member 20 to form an accommodating space 90. The first component 10 has a first inner wall 101, the first inner wall 101 having opposite first and second ends 102, 103. In the first direction Z, the first inner wall 101 extends from the first end 102 towards the second part 20 to the second end 103, and the second end 103 is connected with the third part 30.

Specifically, the first and second members 10 and 20 are spaced apart along the first direction Z. Of opposite ends of the third member 30 in the first direction Z, one end is connected to the first member 10 and the other end is connected to the second member 20. In this way, the first member 10, the second member 20, and the third member 30 enclose the accommodation space 90. The receiving space 90 is used to receive the battery 200, the conductive member, or other members. In some possible designs, the first component 10, the second component 20 and the third component 30 may be separate components, i.e., the third component 30 is separately connected to the first component 10 and the second component 20, respectively. In some possible designs, the first, second and third components 10, 20, 30 may also be of unitary construction. The first member 10 and the second member 20 may have a plate, a housing, or the like, and a cross section of the third member 30 perpendicular to the first direction Z may have a circular shape, a square shape, a prismatic shape, or the like.

The first direction Z refers to the direction of distribution of the first and second members 10 and 20. In some examples, the first direction Z may be arranged as a vertical direction, in which case the first component 10 may be located above the second component 20. Based on this, the first member 10 is the top of the case 100, the second member 20 is the bottom of the case 100, and the third member 30 is the side of the case 100.

The first inner wall 101 is provided on the side of the first member 10 facing the second member 20, and is an inner wall of the case 100. Specifically, the first member 10 is arranged opposite to the second member 20 through the first inner wall 101.

As shown in fig. 2 to 5, the first end 102 and the second end 103 are respectively disposed at opposite ends of the first inner wall 101, the first end 102 and the second end 103 are spaced apart along the first direction Z, and the first end 102 and the second end 103 are also spaced apart along a direction perpendicular to the first direction Z. Based on this, the distribution direction of the first end 102 and the second end 103 intersects the first direction Z and is not perpendicular; that is, the first inner wall 101 is arranged obliquely with respect to the first direction Z, and the first inner wall 101 is arranged opposite to the second member 20. It will be appreciated that in the first direction Z, the first inner wall 101 extends obliquely from the first end 102 towards the second part 20 to the second end 103 to extend to the third part 30. That is, the first inner wall 101 is disposed obliquely to the first direction Z, not disposed straight along the first direction Z. Wherein the distribution direction of the first end 102 and the second end 103 is shown as direction X in fig. 4 and 5, and the first direction Z is shown as direction Z in fig. 2 to 5.

When the first direction Z is set to be the vertical direction and the second member 20 is set as the bottom of the case 100, as shown in fig. 2 to 5, the first member 10 is located above the second member 20 and the first end 102 is located above the second end 103.

The first inner wall 101 is an inner wall of the case 100 such that the first end 102 and the second end 103 are located at the inner wall of the case 100. Based on this, the second end 103 being connected to the third member 30 means that the second end 103 is connected to the inner wall of the third member 30, i.e. the first inner wall 101 and the inner wall of the third member 30 are joined at the second end 103. Based on this, when the first inner wall 101 is attached with the water droplet, the water droplet can slide along the first inner wall 101 under the action of gravity to slide along the first end 102 toward the second end 103, so as to be slidable to the second end 103. Also, as the water droplets adhering to the first inner wall 101 slide along the first inner wall 101 toward the second end 103, in some cases, the water droplets may continue to slide to the inner wall of the third member 30 after sliding to the second end 103, and may further slide along the inner wall of the third member 30.

The case 100 provided in this embodiment of the present application, by arranging the first component 10 and the second component 20 in opposition along the first direction Z, and in the first direction Z, the first inner wall 101 of the first component 10 opposite to the second component 20 is configured to extend from the first end 102 toward the second component 20 to the second end 103, and the second end 103 is further connected with the third component 30, such that the first inner wall 101 is inclined with respect to the first direction Z and is configured in opposition to the second component 20. Also, when the first direction Z is vertical, the first component 10 may be located above the second component 20, with the first end 102 correspondingly located above the second end 103. In this way, the housing 100 may be arranged in use in a first direction Z in a vertical direction such that the first component 10 is above the second component 20 and the first end 102 is above the second end 103. When the first inner wall 101 of the first component 10 is attached with water droplets, the water droplets can slide along the first inner wall 101 from the first end 102 toward the second end 103 under the action of gravity so as to slide along the first inner wall 101 toward the junction of the third component 30 and the second end 103, so that the problem that the water droplets of the first inner wall 101 directly drop into the accommodating space 90 can be improved, that is, the problem that the water droplets of the first inner wall 101 directly drop into the battery 200, the conductive circuit or other conductive components in the accommodating space 90 can be improved, and the short circuit and the like of the energy storage system 1000 formed by the box 100 can be further improved. Based on this, the case 100 has better insulation performance, so that the energy storage system 1000 formed by the case 100 also has better insulation performance.

In some embodiments, the first inner wall 101 is provided with a hydrophobic layer.

The hydrophobic layer may be a member made of a high molecular melt polymer such as polyolefin, polycarbonate, polyamide, polyacrylonitrile, polyester, fluorine-free acrylate, molten paraffin, or the like, so that the hydrophobic layer has hydrophobic properties.

A hydrophobic layer is provided through the first inner wall 101 such that when water droplets are formed on the first inner wall 101 of the first member 10, the water droplets adhere to the hydrophobic layer. In this way, the hydrophobic layer may enable the water droplets to slide rapidly towards the second end 103 as they slide along the first inner wall 101 under the force of gravity, to improve the problem of the water droplets dripping during sliding along the first inner wall 101.

In some embodiments, referring to fig. 2 and fig. 3 together, and in combination with other drawings, a projection of the second end 103 along the first direction Z is disposed around a periphery of a projection of the first end 102 along the first direction Z.

As can be appreciated, the second end 103 is disposed around the outer periphery of the first end 102 in a view toward the first inner wall 101 in the first direction Z.

In some possible designs, the first inner wall 101 may be tapered, i.e., the first inner wall 101 is a tapered surface. Specifically, the first inner wall 101 has a triangular shape in a cross section of the first inner wall 101 parallel to the first direction Z. In one example, as shown in fig. 2 and 3, the first inner wall 101 may have a pyramid shape, i.e., the first inner wall 101 has a pyramid shape. In another example, the first inner wall 101 may also be conical, i.e. the first inner wall 101 is conical. The first inner wall 101 has a top position and a bottom position, the first end 102 is disposed at the top position, and the second end 103 is disposed at the bottom position. When the first inner wall 101 is in a pyramid shape, the first inner wall 101 may be in a quadrangular pyramid shape, as shown in fig. 2 and 3, or may be in a triangular pyramid shape, or may even be in a pentagonal pyramid shape, a hexagonal pyramid shape, or the like. The cone top position refers to the tip position of a cone or a pyramid, and the cone top position and the cone bottom position are oppositely arranged. In other possible designs, the first inner wall 101 may also be prismatic, truncated cone, with the first end 102 located at the top edge of the prismatic table or truncated cone and the second end 103 located at the bottom edge of the prismatic table or truncated cone. In still other possible designs, the first inner wall 101 may also be curved in a cross-section of the first inner wall 101 parallel to the first direction Z.

The arrangement is such that the water drops adhering to the first inner wall 101 can slide along the first inner wall 101 under the action of gravity to slide toward the second end 103, so that the problem of the water drops falling directly into the accommodating space 90 under the action of gravity can be improved.

In some embodiments, referring to fig. 4 and 5 together, and in combination with other figures, the first end 102 is connected to the third member 30, i.e., the first end 102 and the second end 103 of the first inner wall 101 are both connected to the third member 30.

Is connected to the third member 30 by both the first end 102 and the second end 103 such that the first inner wall 101 as a whole is arranged obliquely with respect to the first direction Z. In this way, the water drops adhering to the first inner wall 101 can slide along the first inner wall 101 under the action of gravity to slide toward the second end 103, so that the problem that the water drops directly fall into the accommodating space 90 under the action of gravity can be improved.

Accordingly, by providing the first inner wall 101 in a pyramid shape, a cone shape, a truncated cone shape, and the like, the overall shape is inclined with respect to the first direction Z, so that the water drops adhering to the first inner wall 101 can slide along the first inner wall 101 to slide toward the second end 103, and thus the problem that the water drops directly drop into the accommodating space 90 under the action of gravity can be improved.

In some embodiments, referring to fig. 2, 3, and 6-9, the case 100 further includes a fence 40. The enclosure 40 is connected to the first component 10 and/or the third component 30 and encloses a drain channel 50. The drain groove 50 is for receiving water drops that slide off the first inner wall 101.

In some implementations, as shown in fig. 8, and in conjunction with fig. 2, the enclosure 40 is connected to the first component 10, in particular, the enclosure 40 can connect the first inner wall 101 in a position between the first end 102 and the second end 103; alternatively, the enclosure 40 may also be connected to the second end 103. Based on this, the enclosure 40 and the first inner wall 101 enclose the drain tank 50 described above. In other implementations, as shown in fig. 9 and in combination with fig. 2, the enclosure 40 is connected to the third member 30, and the enclosure 40 encloses with the inner wall of the third member 30 to form the drain channel 50. In still other implementations, as shown in fig. 2, 3, 6, and 7, the enclosure 40 is connected to both the first component 10 and the third component 30, and in particular, the enclosure 40 is connected to the first component 10 and the third component 30 at a connection location, wherein the connection location of the enclosure 40 and the first component 10 is at the second end 103. Based on this, the enclosure 40 encloses with the first inner wall 101 to form the drain groove 50.

When the enclosing member 40 encloses the first inner wall 101 to form the drain tank 50, as shown in fig. 2, 3, and 6 to 8, the water drops adhering to the first inner wall 101 slide along the first inner wall 101 and then can directly slide into the drain tank 50. When the enclosing member 40 encloses the inner wall of the third member 30 to form the drainage channel 50, as shown in fig. 9, since the first inner wall 101 and the inner wall of the third member 30 are engaged at the second end 103, when the water drops adhering to the first inner wall 101 slide along the first inner wall 101 toward the second end 103, the water drops can continue to slide to the inner wall of the third member 30 after sliding to the second end 103, and then slide into the drainage channel 50. On this basis, the drain groove 50 is allowed to receive water drops that slide off the first inner wall 101.

In some implementations, when the first inner wall 101 is cone-shaped, pyramid-shaped, truncated cone-shaped, truncated pyramid-shaped, etc., as shown in fig. 2 and 3, the enclosure 40 is in an annular configuration. In other implementations, the enclosure 40 may not be provided in a ring-shaped configuration when both the first end 102 and the second end 103 of the first inner wall 101 are connected to the third member 30.

By adopting the above technical solution, after the water drops attached to the first inner wall 101 slide along the first inner wall 101 toward the second end 103, the water drops can slide into the drain tank 50. In this way, the problem that the water drops attached to the first inner wall 101 directly drop into the accommodating space 90 can be improved, so that the tank 100 has better insulation performance, and the energy storage system 1000 formed by the tank 100 has better insulation performance.

It should be added that when the enclosure body 100 is not provided with the enclosure member 40, the second end 103 of the first inner wall 101 is connected to the inner wall of the third member 30, so that the first inner wall 101 and the inner wall of the third member 30 are engaged with each other at the second end 103. In this way, when the water drops adhering to the first inner wall 101 slide along the first inner wall 101 to the second end 103, the water drops can slide to the inner wall of the third component 30 and further can slide to the second component 20, so that the problem that the water drops drop onto the battery 200, the conductive line or other conductive components of the accommodating space 90 can be improved.

In some embodiments, the drain tank 50 may be in communication with the external environment. So configured, after the water drops slide down the first inner wall 101 to the drain tank 50, they can be discharged to the outside environment through the drain tank 50. Thus, the water droplets on the first inner wall 101 can be discharged to the outside environment in time, so that the problem of water droplets accumulating in the accommodating space 90 can be improved.

In some embodiments, referring to fig. 2 and 3 together, and in combination with other drawings, a first drain pipe 70 may be disposed on the first component 10, where one end of the first drain pipe 70 is connected to the drain tank 50, and the other end is connected to the external environment. In this way, the first drain pipe 70 can drain the water droplets in the drain tank 50 to the external environment, and the problem of water droplets overflowing from the drain tank 50 to the accommodation space 90 can be ameliorated. The first drain pipe 70 may be provided in the third member 30, or may be provided at a connection position between the third member 30 and the first member 10.

In some embodiments, referring to fig. 2, 3, and 6-9, and in combination with other drawings, the drain tank 50 has a second inner wall 401, i.e., the second inner wall 401 is a wall of the drain tank 50. The second inner wall 401 is provided to the enclosure 40 and is disposed obliquely with respect to the first direction Z. The second inner wall 401 has a third end 402 and a fourth end 403 opposite to each other, and the third end 402 and the fourth end 403 are sequentially distributed along the direction of the second end 103 pointing toward the first end 102. When the enclosure 40 is connected to the first component 10, with reference to fig. 8, the third end 402 is connected to the first component 10, in particular to the first inner wall 101 or the second end 103 of the first component 10; when the enclosure 40 is connected to the third component 30, with reference to fig. 9, the third end 402 is connected to the third component 30, in particular to the inner wall of the third component 30; when the enclosure 40 is connected to the first and third parts 10, 30, the third end 402 is connected to the connection location of the first and third parts 10, 30, specifically to the second end 103, as shown in connection with fig. 6 and 7.

The second inner wall 401 is arranged obliquely with respect to the first direction Z, meaning that the second inner wall 401 intersects the first direction Z. That is, the direction in which the third end 402 points toward the fourth end 403 intersects the first direction Z.

In some implementations, the direction in which the third end 402 points toward the fourth end 403 is parallel to the direction in which the second end 103 points toward the first end 102. In other implementations, the direction in which the third end 402 points toward the fourth end 403 intersects the direction in which the second end 103 points toward the first end 102.

When the case 100 is in use, the first member 10 is positioned above the second member 20 and the first end 102 is positioned above the second end 103 when the first direction Z is arranged to be vertical and the second member 20 is the bottom of the case 100. Also, the second inner wall 401 is inclined with respect to the vertical direction, and the fourth end 403 of the second inner wall 401 is located above the third end 402, i.e., the third end 402 is located at the bottom of the drain tank 50. Based on this, when the water drops attached to the first inner wall 101 slide into the drain tank 50 along the first inner wall 101, the water drops can be gathered at the third end 402 of the drain tank 50 due to the inclined arrangement of the second inner wall 401, so that the problem of the water drops overflowing from the fourth end 403 of the second inner wall 401 into the receiving space 90 can be improved.

By adopting the above technical solution, the second inner wall 401 is arranged obliquely with respect to the first direction Z, so that on one hand, the drain tank 50 can better realize accumulation of water drops, and on the other hand, the problem that water drops overflow from the fourth end 403 of the second inner wall 401 to the accommodating space 90 can be improved, so that the problem that water drops drop onto the battery 200, the conductive circuit or other conductive components of the accommodating space 90 can be improved.

In some embodiments, referring to fig. 2, 3, and 6-9, in combination with other figures, the drain tank 50 has a first drain 60, the first drain 60 being located at the third end 402 and being adapted to communicate with an external environment.

Through the drain tank 50, the first drain 60 at the third end 402 is provided, and when the first direction Z is arranged in the vertical direction and the second member 20 is the bottom of the tank 100, the first drain 60 may be located at the bottom of the drain tank 50. Based on this, after the water drops attached to the first inner wall 101 slide into the drain groove 50 along the first inner wall 101, the water drops can be gathered at the third end 402 of the drain groove 50, i.e., at the first drain opening 60. In this way, the water drops may pass through the first drain opening 60 by gravity so as to be discharged to the outside environment, so that the problem of water drops overflowing from the drain tank 50 to the receiving space 90 may be improved.

It should be noted that the first drain pipe 70 may be connected to the first drain port 60, so that the first drain pipe 70 may drain the water droplets in the drain tank 50 to the external environment.

In some embodiments, referring to fig. 2, 3, and 6-9, and in combination with other figures, the enclosure 40 includes a receiving portion 41 and an enclosure portion 42. When the enclosure 40 is connected to the first member 10, referring to fig. 8, one end of the receiving portion 41 is connected to the first member 10; when the enclosure 40 is connected to the third member 30, with reference to fig. 9, the receiving portion 41 is connected to the third member 30; when the enclosure 40 is connected to the first member 10 and the third member 30, the receiving portion 41 is connected to the connection position of the first member 10 and the third member 30, as shown in fig. 6 and 7. The enclosing part 42 is provided at the other end of the receiving part 41, and encloses the receiving part 41 to form the drain tank 50.

By connecting one end of the receiving portion 41 to the first member 10 and/or the third member 30 and disposing the enclosing portion 42 at the other end of the receiving portion 41, the receiving portion 41 can receive the water drops sliding from the first inner wall 101 to the drain tank 50, and the enclosing portion 42 can enclose the water drops in the drain tank 50, so that the problem of water drops overflowing into the accommodating space 90 can be improved.

Here, the second inner wall 401 is provided on the receiving portion 41.

In some embodiments, referring to fig. 4 and fig. 5 together, and referring to other drawings, the first inner wall 101 is concavely provided with a plurality of first grooves 1011, and the plurality of first grooves 1011 are sequentially distributed along the second direction Y. The first groove 1011 extends along a direction in which the first end 102 points to the second end 103, and the direction in which the first end 102 points to the second end 103 intersects with the second direction Y.

In some examples, as shown in fig. 4 and 5, the first groove 1011 is a U-shaped groove, and of course, the first groove 1011 may be other shapes.

As shown in fig. 4 and 5, the direction in which the first end 102 points toward the second end 103 is parallel to the direction X illustrated in the figures, and the second direction Y is the direction Y illustrated in the figures. In some examples, as shown in fig. 4, the second direction Y is perpendicular to the direction X. In other examples, the second direction Y may also intersect and be non-perpendicular to the direction X.

The first grooves 1011 extend along the direction of the first end 102 pointing to the second end 103, and the plurality of first grooves 1011 are sequentially distributed along the direction intersecting with the direction of the first end 102 pointing to the second end 103, so that the water drops attached to the first inner wall 101 can respectively enter the plurality of first grooves 1011 and respectively slide along the direction of the first end 102 pointing to the second end 103, i.e. slide towards the second end 103. When the water drops adhere to the groove walls of the first groove 1011, the water drops may be concentrated at the groove bottom of the first groove 1011, and the water drops may also slide along the extending direction of the first groove 1011. So set up, through the setting of first recess 1011, can realize the concentrated slip of water droplet, and can also provide the guide effect to the slip of water droplet for the water droplet can carry out the directional slip in first recess 1011, so can improve the slip efficiency of water droplet on first inner wall 101, namely can realize the slip of water droplet in the short time, can improve the long-time stagnant problem that leads to the drip to accommodation space 90 on first inner wall 101 of water droplet, also can effectively improve the direct drip of water droplet to accommodation space 90's problem.

In some embodiments, the first groove 1011 extends from the first end 102 to the second end 103. In this way, the water drops adhering to the first inner wall 101 can slide along the first groove 1011 directly to the second end 103, and further can slide on to the inner wall of the third component 30.

In some embodiments, referring to fig. 4, 5 and 10, and in combination with other drawings, two adjacent first grooves 1011 transition through a plane 1012.

It is understood that a flat surface 1012 is provided between two adjacent first recesses 1011.

In some cases, the adjacent two first recesses 1011 are not provided with the above-described flat surface 1012, so that the connection position of the adjacent two first recesses 1011 is a tip structure. In this way, when the water drops adhering to the first inner wall 101 flow to the tip structure between the adjacent two first grooves 1011, the water drops are easily dropped to drop to the accommodating space 90.

The box 100 provided by the embodiment of the application can realize buffering of water drops by arranging the plane 1012 between the two adjacent first grooves 1011, and can improve the problem that the water drops brought by the tip structure drop easily, namely, the problem that the water drops drop to the accommodating space 90.

In some embodiments, referring to fig. 4, 5 and 10 in combination with other figures, the third member 30 has a third inner wall 301, and the third inner wall 301 is connected to the first inner wall 101 at the second end 103.

In some embodiments, referring to fig. 4, 5 and 10, the third inner wall 301 is provided with a second groove 302 extending along the first direction Z, and the first groove 1011 and the second groove 302 are in communication at the second end 103.

The third inner wall 301 is an inner wall of the third member 30, that is, an inner wall of the case 100.

As shown in fig. 4, 5 and 10, the first groove 1011 extends to the second end 103 in a direction in which the first end 102 points to the second end 103, so that the first groove 1011 and the second groove 302 can communicate at the second end 103.

In some implementations, as shown in fig. 4, 5 and 10, the number of the second grooves 302 is set to be plural, and the plural second grooves 302 are in one-to-one correspondence with the plural first grooves 1011. In other implementations, the number of second grooves 302 may be set to one or more, and one second groove 302 may communicate with a plurality of first grooves 1011.

By providing the third inner wall 301 of the third member 30 with the second groove 302 extending in the first direction Z, the second groove 302 communicates with the first groove 1011. In this way, when the water drops adhering to the first inner wall 101 slide along the first groove 1011 to the second end 103, they can continue to slide into the second groove 302 and slide along the first direction Z back to the first inner wall 101. Based on this, the sliding of the water droplets on both the first inner wall 101 and the third inner wall 301 can realize the guided sliding, so that the sliding efficiency of the water droplets can be improved, and further the sliding of the water droplets can be realized in a short time, so as to solve the problem that the water droplets stagnate on the first inner wall 101 for a long time and drop into the accommodation space 90.

In some embodiments, the groove walls of the first groove 1011 are provided with a hydrophobic layer.

The hydrophobic layer in this embodiment is the same as the hydrophobic layer in the foregoing embodiment, and the description thereof will not be repeated here.

According to the box body 100 provided by the embodiment of the application, the hydrophobic layer is arranged on the groove wall of the first groove 1011, so that water drops attached to the first groove 1011 can flow to the groove bottom of the first groove 1011 under the hydrophobic property of the hydrophobic layer, the water drops can slide in a directional manner along the extending direction of the first groove 1011, and then can slide to the second end 103 along the first groove 1011 quickly, and the problem that the water drops drop to the accommodating space 90 can be solved.

In some embodiments, to improve the sliding efficiency of the water droplet on the third inner wall 301, the wall of the second groove 302 may be provided with a hydrophobic layer as described above.

In some embodiments, referring to fig. 2-5 and 11-14, and in combination with other figures, the third member 30 has a third inner wall 301 and the second member 20 has a fourth inner wall 201. The fourth inner wall 201 is opposite to the first inner wall 101 along the first direction Z, and the third inner wall 301 is disposed between the first inner wall 101 and the fourth inner wall 201. Of opposite ends of the third inner wall 301 in the first direction Z, one end extends to the second end 103 to connect with the first inner wall 101, and the other end connects with the fourth inner wall 201. The case 100 has a second drain outlet 303, and the second drain outlet 303 is configured to communicate with the external environment. In some implementations, as shown in fig. 4, 13 and 14, the second drain outlet 303 is disposed at a connection position between the third inner wall 301 and the fourth inner wall 201; alternatively, in other implementations, as shown in fig. 11 and 12, the second drain opening 303 is provided in the fourth inner wall 201.

It will be appreciated that the third inner wall 301 and the fourth inner wall 201 are both inner walls of the case 100.

By adopting the above technical solution, the connection position between the fourth inner wall 201 and the third inner wall 301 or the second drain outlet 303 is provided on the fourth inner wall 201. Thus, when a water droplet attached to the first inner wall 101 slides along the first inner wall 101 to the second end 103 and continues to slide along the third inner wall 301 to the fourth inner wall 201; alternatively, when the water drops adhering to the third inner wall 301 slide to the fourth inner wall 201, the water drops can be discharged to the external environment through the second water outlet 303, so that the problem that the water drops are accumulated in the accommodating space 90 can be improved, and the problem that the water drops submerge the conductive lines or other conductive parts of the accommodating space 90 can be improved.

In some embodiments, referring to fig. 4, 11-14, and in combination with other drawings, the second drain pipe 80 is disposed at the second drain port 303, and an end of the second drain pipe 80 away from the second drain port 303 can be connected to the external environment, so that the water droplets in the accommodating space 90 can be drained to the external environment.

In some embodiments, please refer to fig. 11-14 together, and in combination with other figures, the fourth inner wall 201 is disposed obliquely with respect to the first direction Z. And, in the first direction Z, the fourth inner wall 201 extends away from the first inner wall 101 to the second drain outlet 303.

It will be appreciated that the fourth inner wall 201 extends obliquely with respect to the first direction Z to extend to the second drain opening 303.

In some implementations, as shown in fig. 11 and 12, the second drain opening 303 is provided to the fourth inner wall 201.

When the first inner wall 101 has a conical shape, a pyramid shape, a truncated cone shape, a truncated pyramid shape, or the like, the fourth inner wall 201 extends away from the first inner wall 101 from the third inner wall 301 in the first direction Z so as to extend obliquely to the first direction Z to the second drain outlet 303. For example, as shown in fig. 11, when the first inner wall 101 has a quadrangular pyramid shape, each of the four side walls of the third member 30 has a third inner wall 301, and the fourth inner wall 201 extends from each of the third inner walls 301 in the first direction Z away from the first inner wall 101 to extend to the second drain outlet 303.

When the first end 102 and the second end 103 of the first inner wall 101 are both connected to the third member 30, as shown in fig. 12, the third member 30 further has a fifth inner wall 304, the fifth inner wall 304 is disposed between the first inner wall 101 and the fourth inner wall 201, and two ends of the fifth inner wall 304 along the first direction Z are respectively connected to the first end 102 and the fourth inner wall 201, and the fifth inner wall 304 is connected to the third inner wall 301. That is, the fifth inner wall 304 and the third inner wall 301 are provided to the side wall of the third member 30. In the first direction Z, a portion of the fourth inner wall 201 extends from the third inner wall 301 away from the first inner wall 101 to extend obliquely to the first direction Z to the second drain outlet 303; and, another portion of the fourth inner wall 201 extends from the fifth inner wall 304 away from the first inner wall 101 to extend to the second drain outlet 303.

In other implementations, as shown in fig. 13 and 14, the drain opening is provided at a connection position of the third inner wall 301 and the fourth inner wall 201.

When the first end 102 and the second end 103 of the first inner wall 101 are both connected to the third member 30, as shown in fig. 13, the third member 30 further has a sixth inner wall 305 opposite to the third inner wall 301, the sixth inner wall 305 is disposed between the first inner wall 101 and the fourth inner wall 201, and both ends of the sixth inner wall 305 in the first direction Z are connected to the first end 102 and the fourth inner wall 201, respectively. In the first direction Z, the fourth inner wall 201 extends from the sixth inner wall 305 away from the first inner wall 101 to extend obliquely to the third inner wall 301, i.e., to the second drain outlet 303, with respect to the first direction Z.

When the first inner wall 101 has a pyramid shape, a cone shape, a truncated pyramid shape, a truncated cone shape, or the like, for example, the first inner wall 101 has a quadrangular pyramid shape as shown in fig. 14. The third inner wall 301 may be disposed on each of the four sidewalls of the third member 30, and the second drain opening 303 may be disposed at a connection position between one of the third inner wall 301 and the fourth inner wall 201. Based on this, in the first direction Z, the fourth inner wall 201 extends from the third inner wall 301 opposite to the third inner wall 301 having the second drain port 303 in a direction away from the first inner wall 101 to the second drain port 303.

By adopting the above-described technical solution, the fourth inner wall 201 is made to extend obliquely with respect to the first direction Z. When the first direction Z is arranged in the vertical direction and the second member 20 is taken as the bottom of the case 100, the second drain outlet 303 is located at the bottom of the fourth inner wall 201. Based on this, when the water droplets adhering to the first inner wall 101 slide to the third inner wall 301 to slide to the fourth inner wall 201; alternatively, the water droplets adhering to the third inner wall 301 slide to the fourth inner wall 201; alternatively, when the water drops attached to the other side walls of the third member 30 except the third inner wall 301 slide to the fourth inner wall 201, the water drops may slide along the fourth inner wall 201 by gravity to flow to the second drain outlet 303, so that the water drops may be discharged to the external environment, and thus the problem of the internal water accumulation of the third member 30 may be improved.

In some embodiments, the fourth inner wall 201 may also be provided with a third groove such that the water droplet may slide along the third groove to the second drain outlet 303, thus facilitating the sliding of the water droplet on the fourth inner wall 201.

When the second drain opening 303 is disposed at the connection position between the third inner wall 301 and the fourth inner wall 201, the third groove may be extended along the direction of the first end 102 toward the second end 103, so that the water drops slide along the third groove to the second drain opening 303.

In some embodiments, the walls of the third recess may also be provided with a hydrophobic layer, which facilitates rapid sliding of the water droplets to the second drain opening 303.

It should be noted here that, when the fourth inner wall 201 is disposed obliquely with respect to the first direction Z, in order to facilitate the arrangement of the components such as the battery 200, the conductive line, the non-conductive member, etc. in the accommodating space 90, the above components may be fixed to the side wall of the third component 30 by the connecting structure, so that the problem of inconvenience in arrangement of the components in the accommodating space 90 due to the oblique arrangement of the fourth inner wall 201 can be improved.

It should be further noted here that, when the components of the accommodation space 90 portion are disposed directly on the fourth inner wall 201 or disposed on the fourth inner wall 201 through a connection structure, the fourth inner wall 201 may not be disposed to be inclined with respect to the first direction Z, as shown in fig. 2 to 5. Thus, the accumulated water stagnating in the fourth inner wall 201 can be discharged to the outside environment through the second drain outlet 303.

In some embodiments, the third member 30 has a first cross-section that is perpendicular to the first direction Z and passes through the second end 103. That is, the first cross-section is a cross-section of the third member 30 through the second end 103 and perpendicular to the first direction Z. Since the first inner wall 101 is arranged obliquely with respect to the first direction Z and the first inner wall 101 is arranged opposite the second member 20 such that the first inner wall 101 forms a first angle beta with the first cross section, the first angle beta being larger than 0 deg. and smaller than 90 deg..

In some embodiments, the first included angle β forms an acute angle with the first cross-section. So set up, on the one hand, the water droplet of being convenient for slides along first inner wall 101 under the effect of gravity to improve the problem that the water droplet drips to accommodation space 90. On the other hand, if the first angle β is not too large as compared to the first cross-section, the dimension of the first component 10 in the first direction Z may not be too large. Thus, when the external shape volume of the case 100 is predetermined, the case 100 has a large internal space; when the inner space of the case 100 is predetermined, the case 100 has a small external volume.

In some embodiments, the first inner wall 101 forms a first angle β with the first cross-section in the range of 1 ° to 45 °.

The first included angle β may be 5 °, 10 °, 15 °, 20 °, 25 °, 30 °, 35 °, 40 °, 45 °, and so on.

By setting the range of the first angle β formed by the first inner wall 101 and the first cross section to 1 ° to 45 °, the angle at which the first inner wall 101 is inclined with respect to the first direction Z is not excessively large, so that the size of the first member 10 in the first direction Z can be made not excessively large. Further, the water droplets can slide rapidly along the first inner wall 101, and the problem of dripping of the water droplets can be improved.

In some embodiments, the first included angle β is 30 °.

Based on the above concepts, referring to fig. 1, and in combination with other drawings, a second aspect of the embodiments of the present application provides an energy storage system 1000, where the energy storage system 1000 includes a case 100 and a battery 200 disposed in the case 100. The case 100 in this embodiment is the same as the case 100 in the previous embodiment, and please refer to the description of the case 100 in the previous embodiment, which is not repeated here.

According to the energy storage system 1000 provided by the embodiment of the application, due to the adoption of the box body 100 related to each embodiment, the problem that water drops in the box body 100 drop to the battery 200, the conductive circuit or other conductive components of the accommodating space 90 can be solved, the problem of short circuit and the like of the energy storage system 1000 can be solved, and the energy storage system 1000 formed by the box body 100 also has better insulating performance.

As one of the embodiments of the present application, as shown in fig. 2, 3, 6 and 7, the case 100 includes a first member 10, a second member 20 and a third member 30, the first member 10 and the second member 20 are oppositely arranged along a first direction Z, and the third member 30 is disposed between the first member 10 and the second member 20 and encloses with the first member 10 and the second member 20 to form the accommodation space 90. The first part 10 has a first inner wall 101 opposite the second part 20. The first inner wall 101 is in a pyramid shape, the first inner wall 101 is provided with a first end 102 and a second end 103 which are opposite, the first end 102 is arranged at the cone top position of the first inner wall 101, and the second end 103 is arranged at the cone bottom position of the first inner wall 101. And, the second end 103 is connected to the inner wall of the third member 30, and the first end 102 is disposed at an end of the first inner wall 101 away from the second member 20 along the first direction Z. The box 100 further includes a surrounding member 40, where the surrounding member 40 is disposed at the second end 103 and forms a drainage channel 50 with the first inner wall 101. Based on this, the water droplets adhering to the first inner wall 101 may slide along the first inner wall 101 to slide to the second end 103 and into the drain tank 50, so that they may be discharged to the external environment through the drain tank 50. Moreover, the first inner wall 101 is provided with a hydrophobic layer, so that the water drops slide along the first inner wall 101, and the problem of dropping the water drops is solved.

As another embodiment of the present application, as shown in fig. 4, 5 and 10, the case 100 includes a first member 10, a second member 20 and a third member 30, the first member 10 and the second member 20 are oppositely arranged along a first direction Z, and the third member 30 is disposed between the first member 10 and the second member 20 and encloses with the first member 10 and the second member 20 to form the accommodation space 90. The first part 10 has a first inner wall 101 opposite the second part 20. The first inner wall 101 is disposed obliquely with respect to the first direction Z, and the first inner wall 101 has opposite first and second ends 102, 103. In the first direction Z, the first inner wall 101 extends from the first end 102 towards the third part 30 to the second end 103. The first end 102 and the second end 103 are both connected to the third member 30. The first inner wall 101 is provided with a plurality of first grooves 1011, the plurality of first grooves 1011 are distributed in sequence along the second direction Y, and the first grooves 1011 extend along the direction of the first end 102 pointing to the second end 103, and a plane 1012 is provided between two adjacent first grooves 1011. The third member 30 has a third inner wall 301 connected to the second end 103, the third inner wall 301 is provided with a second groove 302, the second groove 302 is arranged extending in the first direction Z, and the second groove 302 and the first groove 1011 correspondingly communicate at the second end 103. Based on this, the water droplets adhering to the first inner wall 101 can slide along the first groove 1011 to the first end 102 and pass into the second groove 302 to slide along the second groove 302 to the second member 20. And, the groove walls of the first groove 1011 and the second groove 302 are provided with a hydrophobic layer, so that water drops can be concentrated at the groove bottoms of the first groove 1011 and the second groove 302 under the hydrophobic effect of the hydrophobic layer, and can rapidly slide along the first groove 1011 and the second groove 302 respectively, thereby rapidly realizing the sliding of the water drops and improving the problem of the water drops dripping.

The foregoing description of the preferred embodiment of the present invention is not intended to limit the invention to the particular form disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

Claims (15)

1. A tank, comprising:

a first component;

a second member arranged opposite to the first member in a first direction;

the third component is arranged between the first component and the second component, and forms an accommodating space with the first component and the second component in a surrounding way;

the first member having a first inner wall with opposed first and second ends, the second end being connected to the third member; in the first direction, the first inner wall extends from the first end toward the second component to the second end; the first inner wall is disposed obliquely with respect to the first direction.

2. The case according to claim 1, wherein the first inner wall is provided with a hydrophobic layer.

3. The case according to claim 1 or 2, wherein a projection of the second end in the first direction is enclosed around a periphery of the projection of the first end in the first direction;

Alternatively, the first end is connected to the third member.

4. The case according to claim 1 or 2, further comprising a deflector connected to the first and/or third part and enclosing a drainage channel for receiving water drops sliding off the first inner wall.

5. The tank of claim 4, wherein the drain tank has a second inner wall disposed at the enclosure and inclined relative to the first direction; the second inner wall is provided with a third end and a fourth end which are opposite, the third end and the fourth end are distributed in sequence along the direction that the second end points to the first end, and the third end is connected with the first component and/or the third component.

6. The tank of claim 5, wherein the drain tank has a first drain opening located at the third end for communication with an external environment.

7. The case of claim 4, wherein the enclosure comprises:

a receiving portion having one end connected to the first member and/or the third member;

And the enclosing part is arranged at the other end of the bearing part and encloses with the bearing part to form the drainage groove.

8. The case according to claim 1 or 2, wherein the first inner wall is provided with a plurality of first grooves sequentially distributed along a second direction, the first grooves are extended along a direction in which the first end points to the second end, and the direction in which the first end points to the second end intersects with the second direction.

9. The case of claim 8, wherein two adjacent first grooves pass through a planar transition.

10. The case of claim 8, wherein the third member has a third inner wall connected to the first inner wall at the second end; the third inner wall is provided with a second groove extending along the first direction, and the first groove and the second groove are communicated at the second end.

11. The case according to claim 8, wherein the wall of the first groove is provided with a water-repellent layer.

12. A box according to claim 1 or 2, wherein the third member has a third inner wall, the second member has a fourth inner wall, opposite ends of the third inner wall in the first direction are connected to the second end, the fourth inner wall, respectively; the connection position of the third inner wall and the fourth inner wall is provided with a second water outlet which is used for being communicated with the external environment, or the fourth inner wall is provided with a second water outlet which is used for being communicated with the external environment.

13. The tank of claim 12, wherein the fourth inner wall is inclined relative to the first direction, and in the first direction, the fourth inner wall extends away from the first inner wall to the second drain opening.

14. A box according to claim 1 or 2, wherein the third part has a first cross section perpendicular to the first direction and passing through the second end; the first inner wall and the first section form a first included angle, and the range of the first included angle is 1-45 degrees.

15. An energy storage system comprising a tank according to any one of claims 1-14 and a battery disposed within the tank.

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