CN220527073U - Battery box, battery and vehicle - Google Patents

Abstract

The application is applicable to the battery technology field, provides a battery box, battery and vehicle, and the vehicle includes the battery, and the battery includes the battery box. The battery box body comprises a box body, wherein the box body comprises a base plate, a frame and a first fixed beam; the frame is arranged on the periphery of the base plate and is enclosed with the base plate to form a battery cavity for accommodating the battery module; the first fixed beam is connected to the base plate and/or the frame and is used for being fixedly connected with a seat of the vehicle; wherein, base plate, frame and first fixed beam body coupling set up. The base plate, the frame and the first fixed beam of the box body are integrally connected. Therefore, the box body of the battery box body can be formed at one time without fixing a plurality of parts in a splice welding, bonding and other modes to form the box body, the forming process and the forming step of the box body are simplified, the forming process and the forming step of the battery box body are further simplified, and the processing cost of the battery box body is reduced.

Description

Battery box, battery and vehicle

Technical Field

The application belongs to the technical field of batteries, and more particularly relates to a battery box, a battery and a vehicle.

Background

The battery generally includes a case body, a cover body covering the case body, and a battery cell disposed in a space defined by the case body and the cover body.

In some cases, the frame, base plate, etc. are secured by welding, bonding, etc. to form the tank body. Thus, the forming process of the battery box body is very complex and has high cost.

Disclosure of Invention

In view of the above problems, embodiments of the present application provide a battery case, a battery, and a vehicle, which can improve the technical problem of complex molding process of the battery case.

In a first aspect, embodiments of the present application provide a battery box, including:

the box body comprises a base plate, a frame and a first fixed beam; the frame is arranged on the periphery of the base plate and is enclosed with the base plate to form a battery cavity for accommodating the battery module; the first fixed beam is connected to the base plate and/or the frame and is used for being fixedly connected with a seat of the vehicle; wherein, base plate, frame and first fixed beam body coupling set up.

The embodiment of the application provides a battery box, through with base plate, frame and the first fixed beam body coupling setting of case body. Therefore, the box body of the battery box body can be formed at one time without fixing a plurality of parts in a splice welding, bonding and other modes to form the box body, the forming process and the forming step of the box body are simplified, the forming process and the forming step of the battery box body are further simplified, and the processing cost of the battery box body is reduced.

In some embodiments, the substrate is disposed at an end of the frame along the first direction, and a groove is disposed on a surface of one side of the case body along the first direction, and the groove is disposed on the substrate and/or the frame.

By adopting the technical scheme, the box body is provided with the groove along the first direction on the surface of one side far away from the cover body. In this way, a seal can be placed in the recess to seal the connection location of the tank body and the frame of the vehicle.

In some embodiments, the battery compartment further includes a seal that fits within the recess and is configured to seal between the compartment body and the frame of the vehicle.

In this way, the sealing of the accommodating cavity related below can be realized, so that the problem that water vapor and dust enter the accommodating cavity is solved, and the problem that the water vapor and the dust enter the battery cavity through the accommodating cavity is solved.

In some embodiments, the tank body further includes a second fixed beam integrally provided to the frame and/or the base plate and adapted to be fixedly connected to the frame of the vehicle.

The second fixing beam for fixedly connecting with the frame of the vehicle is integrally arranged on the frame or the base plate or the frame and the base plate, so that the battery box body is fixedly connected with the frame of the vehicle. In addition, the second fixing beam is arranged, so that the forming process of the battery box body is not more complicated.

In some embodiments, the first fixing beam is provided with second fixing beams at two opposite sides of the second direction, and the second fixing beams extend along the third direction; wherein the second direction and the third direction intersect.

By adopting the technical scheme, the first fixing beam is provided with the second fixing beams at two opposite sides of the second direction, namely the box body is provided with the second fixing beams at two opposite ends of the second direction, so as to be fixedly connected with the frame of the vehicle. And the second fixed beam extends along the third direction, so that the second fixed beam can be fixedly connected with the frame of the vehicle at a plurality of positions in the third direction. Above, the connection reliability between the tank body and the frame of the vehicle is made very high.

In some embodiments, at least a portion of the second fixed beam is located outside a side of the frame in the second direction.

So set up, the second fixed beam of being convenient for can be with the frame fixed connection of vehicle. On the basis, the occupation of the second fixed beam on the substrate in the second direction can be reduced, so that the area of the substrate serving as the vehicle body floor is larger.

In some embodiments, the substrate is arranged at the end part of the frame along the first direction, a groove is arranged on one side surface of the box body along the first direction, and the groove is arranged on the substrate and/or the frame; the groove is arranged between the second fixed beam and the first fixed beam.

So, make first fixed beam can with the seat fixed connection of vehicle, the second fixed beam can with the frame fixed connection of vehicle, and the recess can realize the sealing of the hookup location of case body and frame smoothly. In addition, the sealing piece on the groove can also realize the sealing of the connection position of the first fixed beam and the seat, so that the problem that water vapor and dust enter the battery cavity or the inside of the vehicle body through the connection position of the first fixed beam and the seat can be solved.

In some embodiments, the substrate is disposed at an end of the frame along the first direction, and a receiving structure is integrally disposed on a surface of one side of the substrate along the first direction, and the receiving structure is provided with a receiving cavity communicating with the battery cavity.

Through setting up the accommodation structure that has the accommodation chamber that communicates in the battery chamber, the accommodation of various parts of being convenient for, and the staff of being convenient for maintains the battery monomer of accommodating the part in the chamber and battery intracavity. And, hold structure and base plate integrative setting can not make the shaping technology of case body complicated on setting up the basis of holding structure.

In some embodiments, the accommodating cavity is provided with a maintenance port, and the battery box body further comprises a cover structure, wherein the cover structure is arranged on the accommodating structure and can selectively open or cover the maintenance port.

By adopting the technical scheme, the cover structure can cover the maintenance port so as to jointly maintain the components in the accommodating cavity and the battery monomers in the battery cavity with the accommodating structure. And the cover structure can also open the maintenance port, so that the staff can maintain the components in the accommodating cavity and the battery monomers in the battery cavity conveniently.

In some embodiments, the substrate is arranged at the end part of the frame along the first direction, a groove is arranged on one side surface of the box body along the first direction, and the groove is arranged on the substrate and/or the frame and is annular; the projection of the maintenance opening along the first direction is positioned in the area defined by the projection of the groove along the first direction.

Like this, the sealing member in the recess can realize the sealing of the hookup location of the frame of case body and vehicle to can realize the sealing of maintenance mouth, so can improve steam, dust and get into the problem that holds chamber, battery chamber through the maintenance mouth, thereby can realize the protection to battery monomer in the battery chamber, hold the part in the chamber.

In some embodiments, the battery case further includes a cover, and the frame is provided with a flange toward an edge of one end of the cover, and the cover is used for connecting the flange and covering the battery cavity.

Through adopting above-mentioned technical scheme for the case body passes through protruding edge to be connected in the lid, so is convenient for realize the connection of lid and case body.

In a second aspect, embodiments of the present application provide a battery, including a battery case and a battery cell disposed in the battery case.

According to the battery provided by the embodiment of the application, the battery box body related to the embodiments is adopted, so that the box body of the battery box body can be molded at one time, a plurality of parts are not required to be fixed to form the box body in a splice welding, bonding and other modes, the molding process and molding step of the box body are simplified, the molding process and the molding step of the battery are further simplified, and the battery and the processing cost are reduced.

In a third aspect, embodiments of the present application provide a vehicle including a battery.

According to the vehicle provided by the embodiment of the application, the battery related to the embodiments is adopted, so that the box body of the battery box body can be molded at one time without fixing a plurality of parts in a splice welding, bonding and other modes to form the box body, the molding process and molding step of the box body are simplified, the molding process and the molding step of the battery are further simplified, and the battery and the processing cost are reduced.

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 illustration of a vehicle provided in some embodiments of the present application;

FIG. 2 is an exploded schematic view of a battery provided in some embodiments of the present application;

fig. 3 is a schematic perspective view of a battery case according to some embodiments of the present disclosure;

FIG. 4 is an exploded view of FIG. 3;

fig. 5 is a schematic perspective view of a case body of a battery case according to some embodiments of the present application;

FIG. 6 is an enlarged view of FIG. 4 at A;

FIG. 7 is a cross-sectional view of B-B in FIG. 3;

FIG. 8 is an enlarged view of FIG. 7 at C;

FIG. 9 is a partial cross-sectional view of a case body of a battery case provided in other embodiments of the present application;

fig. 10 is a partial cross-sectional view of a case body of a battery case provided in further embodiments of the present application.

Wherein, each reference sign in the figure:

1000-vehicle; 100-cell; 200-a controller; 300-motor; 10-a battery box body; 11-a box body; 1101-cell cavity; 1102-grooves; 1103-accommodation chamber; 1104-maintenance port; 111-a substrate; 112-a frame; 113-a first fixed beam; 114-a second fixed beam; 115-receiving structure; 116-convex edge; 117-ribs; 12-a cover; 13-a seal; 14-covering structure; 20-battery cells; z-a first direction; y-a second direction; x-third 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.

While the present application has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the present application. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present application is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

The battery can generally include battery box and battery monomer, and the battery box can include case body and lid in the lid of case body, and the battery monomer is located in the battery chamber that case body and lid enclose and form.

In some cases, the frame, the base plate, etc. are fixed by means of splice welding, adhesion, etc. to form the case body of the battery case. Thus, the forming process of the battery box body is very complex and has high cost.

As an example, in the process of molding the battery case, a plurality of frames are splice-welded in sequence to form a frame, and each frame is splice-welded to the outer circumference of the substrate, and the fixing beam is splice-welded to the substrate. And the fixing mode can be further adopted between each frame and the base plate and between the fixing beam and the base plate to strengthen and fix, so that the box body of the battery box body has higher structural strength and structural stability. Therefore, the forming process of the battery box body comprises the processes of splice welding, bonding and the like among a plurality of parts, so that the forming steps of the battery box body are more, the process is complex, and the forming cost of the battery box body is higher.

Based on the above considerations, the embodiment of the application provides a battery box, a battery and a vehicle, through with the base plate, frame and the first fixed beam integral connection setting of case body. Therefore, the box body of the battery box body can be formed at one time without fixing a plurality of parts in a splice welding, bonding and other modes to form the box body, the forming process and the forming step of the box body are simplified, the forming process and the forming step of the battery box body are further simplified, and the processing cost of the battery box body is reduced.

The battery case according to the embodiment of the application can be applied to a battery and a vehicle using the battery as a power source. The battery according to the embodiment of the present application may be applied to a vehicle using the battery as a power source. The vehicle can be a fuel oil vehicle, a fuel gas vehicle or a new energy vehicle, and the new energy vehicle can be a pure electric vehicle, a hybrid electric vehicle or a range-extending vehicle.

The battery to which embodiments of the present application relate may be a single physical module including one or more battery cells to provide higher voltage and capacity.

Referring to fig. 1, fig. 1 is a schematic diagram of a vehicle 1000 according to some embodiments of the present application. The battery 100 is provided in the vehicle 1000, and the battery 100 may be provided at the bottom or at the head or at the tail of the vehicle 1000. The battery 100 may be used for power supply of the vehicle 1000, for example, the battery 100 may be used as an operating power source of the vehicle 1000. The vehicle 1000 may also include a controller 200 and a motor 300, the controller 200 being configured to control the battery 100 to power the motor 300, such as for operating power requirements during start-up, navigation, and travel of the vehicle 1000.

In some embodiments, battery 100 may not only serve as an operating power source for vehicle 1000, but may also serve as a driving power source for vehicle 1000, instead of or in part instead of fuel oil or natural gas, to provide driving power for vehicle 1000.

Referring to fig. 2 to 4, fig. 2 is an exploded view of a battery 100 according to some embodiments of the present application, fig. 3 is a perspective view of a battery case 10 according to some embodiments of the present application, and fig. 4 is an exploded view of fig. 3. The battery 100 may include a battery case 10 and a battery cell 20. The battery case 10 has an internal space, and the battery cells 20 are accommodated in the internal space of the battery case 10.

The battery case 10 may take various structures. In some embodiments, the battery case 10 may include a case body 11 and a cover 12, and the case body 11 and the cover 12 are covered with each other and together define the internal space of the battery case 10. The case body 11 may have a hollow structure having an opening at one end, and the cover 12 may have a plate-like structure, as shown in fig. 3 and 4, and the cover 12 may be covered on the opening side of the case body 11, so that the case body 11 and the cover 12 together define the internal space of the battery case 10. Alternatively, the case body 11 and the cover 12 may each have a hollow structure having an opening at one end, and as shown in fig. 2, the opening side of the case body 11 is closed to the opening side of the cover 12, so that the case body 11 and the cover 12 together define the internal space of the battery case 10. Among them, the battery case 10 composed of the case body 11 and the cover 12 may be various shapes such as a cylinder, a rectangular parallelepiped, etc.

In some embodiments, the battery case 10 of the battery 100 may be part of the chassis structure of the vehicle 1000. For example, a portion of the battery box 10 may become at least a portion of the chassis of the vehicle 1000, or a portion of the battery box 10 may become at least a portion of the cross member and the side member of the vehicle 1000.

In the battery 100, the number of the battery cells 20 may be one or more. When there are a plurality of battery cells 20, the plurality of battery cells 20 are connected in series, parallel or series-parallel through the bus bar, and the series-parallel refers to that the plurality of battery cells 20 are connected in series or parallel.

The plurality of battery cells 20 may be formed into a single unit by serial connection, parallel connection, or series-parallel connection, and then the single unit formed by the plurality of battery cells 20 is directly received in the inner space of the battery case 10, as shown in fig. 2. The plurality of battery cells 20 may be connected in series, parallel or series-parallel, and are arranged and fixed to form a plurality of battery modules, and the plurality of battery modules are connected in series, parallel or series-parallel to form a whole and are accommodated in the internal space of the battery case 10. As one example, the plurality of battery cells 20 may be fixed by taping or the like to form the above-described battery module. As one example, the plurality of battery cells 20 may also be fixed by end plates, side plates, or the like to form the above-described battery module.

The battery cell 20 refers to the smallest unit that stores and outputs electric power. The battery cell 20 may be a secondary battery or a primary battery. The battery cell 20 may be, but is not limited to, a metal battery, a lithium sulfur battery, a sodium ion battery, or a magnesium ion battery. The battery cell 20 may be in the shape of a cylinder, a flat body, a rectangular parallelepiped, or other shapes, etc.

Referring to fig. 3 to 5, fig. 4 is an exploded view of fig. 3, and fig. 5 is a perspective view of a case body 11 of a battery case 10 according to some embodiments of the present application. The battery case 10 provided in the embodiment of the present application includes a case body 11. The case body 11 includes a base plate 111, a frame 112, and a first fixing beam 113. The frame 112 is disposed on the outer periphery of the substrate 111, and forms a battery chamber 1101 with the substrate 111, and the battery chamber 1101 is configured to accommodate the battery cells 20. In some possible designs, as shown in fig. 3-5, the first fixed beam 113 is connected to the base plate 111; alternatively, in some possible designs, the first fixed beam 113 is connected to both the base plate 111 and the frame 112; alternatively, in some possible designs, the first fixed beam 113 is connected to the frame 112. The first fixed beam 113 is for fixed connection with a seat of the vehicle 1000. Wherein the base plate 111, the frame 112 and the first fixing beam 113 are integrally connected.

As shown in fig. 3 and 4, the frame 112 is disposed on the substrate 111 and surrounds the substrate 111 around the outer periphery of the first direction Z. Based on this, the frame 112 and the substrate 111 enclose a battery chamber 1101, and the battery chamber 1101 is configured to accommodate the battery cell 20.

The first direction Z is a thickness direction of the substrate 111, as shown in the drawing.

The first fixing beam 113 refers to a portion of the box body 11 for fixing connection with a seat of the vehicle 1000.

In use, the first fixed beam 113 of the case body 11 may be fixedly connected with the seat of the vehicle 1000 such that the case body 11 is a part of the body of the vehicle 1000. In this way, the base plate 111 of the tank body 11 can serve as a body floor of the vehicle 1000. It will be appreciated that the first direction Z is a vertical direction when the battery case 10 is in use. The case body 11 serves as an upper case of the battery case 10, that is, an upper portion of the battery case 10. In other words, the cover 12 of the battery case 10 is disposed at an end of the case body 11 along the first direction Z, the first direction Z is a vertical direction, and the case body 11 is disposed at a top of the cover 12.

The first fixing beam 113 may be provided on the base plate 111 of the tank body 11, may be provided on the frame 112 of the tank body 11, or may be provided on both the base plate 111 and the frame 112 of the tank body 11. As an example, as shown in fig. 3 and 4, the first fixing beam 113 is provided at one side surface of the substrate 111 in the first direction Z, and is connected to the substrate 111. As an example, the first fixing beam 113 is disposed at one side surface of the substrate 111 along the first direction Z, and is further connected to the substrate 111; and, the first fixing beam 113 also extends to the frame 112 to be connected with the frame 112. For example, referring to fig. 3 and 4, in the case where the first fixing beam 113 is disposed to extend in a second direction Y referred to hereinafter, the first fixing beam 113 may extend to the frame 112 in the second direction Y, thereby connecting the frame 112 with the first fixing beam 113. It should be added that the recess 1102 is required to be disposed on the frame 112 to avoid the first fixing beam 113. As an example, the first fixing beams 113 are located at one side surface of the substrate 111 along the first direction Z and spaced apart from the substrate 111 along the first direction Z, and the first fixing beams 113 are connected to the frame 112. As one example, the first fixing beam 113 is provided at a side portion of the frame 112 in a second direction Y referred to below; alternatively, the first fixing beam 113 is provided at a side portion of the frame 112 in a third direction X referred to hereinafter.

The base plate 111, the frame 112, and the first fixing beam 113 of the case body 11 may be formed by punching the case body 11, or may be formed by a process such as a die casting process, so that the base plate 111, the frame 112, and the first fixing beam 113 are integrally connected.

The battery case 10 provided in the embodiment of the present application is configured by integrally connecting the base plate 111, the frame 112, and the first fixing beam 113 of the case body 11. In this way, the case body 11 of the battery case 10 can be formed at one time, and the case body 11 is formed by fixing a plurality of parts in a splice welding, bonding or other modes, so that the forming process and the forming step of the case body 11 are simplified, the forming process and the forming step of the battery case 10 are further simplified, and the processing cost of the battery case 10 is reduced.

In addition, under the scheme that the box body 11 is formed by splicing a plurality of components, the accumulated tolerance is large, so that the size of the box body 11 is difficult to be ensured. In the embodiment of the present application, the first fixing beam 113, the base plate 111 and the frame 112 are integrally connected, which can reduce tolerance and facilitate improvement of dimensional accuracy of the box body 11.

In addition, the frame 112 and the substrate 111 enclose a battery chamber 1101 for accommodating the battery cell 20, so that the battery cell 20 may be fixed to the frame 112 or the substrate 111 or both the frame 112 and the substrate 111, and the electrode terminal of the battery cell 20 may be located at an end of the battery cell 20 remote from the substrate 111, i.e., an end of the electrode assembly located near the cover 12 of the battery cell 20. In this way, an internal space is provided near the battery case 10 and the cover 12 to accommodate a harness isolation plate or the like to match the arrangement of the electrode terminals. In this way, a buffer structure may be provided between the end of the battery cell 20 having the electrode terminal and the cover 12 of the battery case 10 to achieve buffer protection of the battery cell 20, that is, the buffer structure is simultaneously accommodated in a space for accommodating the harness isolation plate or the like, without having to make a space between the battery cell 20 and the substrate 111 to provide the buffer structure. Thus, it is possible to reduce the space waste inside the battery case 10 to improve the space utilization inside the battery case 10, thereby enabling to improve the energy density of the battery 100 constituted by the battery case 10.

In some embodiments, please refer to fig. 3, fig. 4, fig. 6 to fig. 9 together, and in combination with other drawings, fig. 6 shows a partially enlarged view of fig. 4, fig. 7 shows a cross-sectional view of fig. 3, fig. 8 shows a partially enlarged view of fig. 7, fig. 9 shows a partially cross-sectional view of a case body 11 of a battery case 10 provided in some embodiments of the present application, and the view angle of fig. 9 is the same as the view angle of fig. 8. The base plate 111 is disposed at an end of the frame 112 along the first direction Z, and a groove 1102 is disposed on a surface of the case body 11 along the first direction Z. In some possible designs, as shown in fig. 6-8, a recess 1102 is provided in the substrate 111; alternatively, in some possible designs, as shown in FIG. 9, a recess 1102 is provided in the frame 112; alternatively, in some possible designs, the recess 1102 is provided at the connection location of the frame 112 and the base 111.

As can be appreciated, the cover 12 is disposed at an end of the frame 112 away from the substrate 111 along the first direction Z, and is disposed opposite to the substrate 111 along the first direction Z. The recess 1102 is provided on a side surface of the case body 11 remote from the cover 12 in the first direction Z. As shown in fig. 6 to 8, the recess 1102 may be disposed on a surface of the substrate 111 away from the cover 12 along the first direction Z; alternatively, as shown in fig. 9, the recess 1102 may be disposed on a side surface of the frame 112 away from the cover 12 along the first direction Z; alternatively, the recess 1102 may be provided at a connection position of a side surface of the frame 112 remote from the cover 12 in the first direction Z and a side surface of the substrate 111 remote from the cover 12 in the first direction Z.

One side surface of the tank body 11 in the first direction Z may be recessed to form a groove 1102. For example, the substrate 111 is recessed in the first direction Z away from the side surface of the cover 12 to form a recess 1102; alternatively, the frame 112 is recessed in the first direction Z away from a side surface of the cover 12 to form a recess 1102; alternatively, the frame 112 is recessed in a connection position of a side surface of the cover 12 away from the first direction Z and a side surface of the substrate 111 away from the cover 12 in the first direction Z to form a groove 1102.

The case body 11 may also be formed with a plurality of ribs 117 on one side surface thereof in the first direction Z, the ribs 117 forming the above-described grooves 1102 at intervals, as shown in fig. 6 to 9. Wherein ribs 117 may be disposed on substrate 111 as shown in fig. 6 and 8; or may be provided to the frame 112 as shown in fig. 9; a portion of the ribs 117 may be disposed on the base 111, and a portion of the ribs 117 may be disposed on the frame 112, so that the grooves 1102 are formed at the connection position between the frame 112 and the base 111.

By adopting the above technical solution, the case body 11 has a groove 1102 on a side surface far from the cover 12 along the first direction Z. In this way, the seal 13 may be placed in the recess 1102 to seal the connection location of the tank body 11 and the frame of the vehicle 1000.

In some embodiments, referring to fig. 6-9 in conjunction with other figures, the battery case 10 further includes a seal 13, the seal 13 fitting within the recess 1102 and configured to seal between the case body 11 and the frame of the vehicle 1000.

The sealing member 13 may be a rubber ring, a silicone ring, or the like.

After the battery case 10 and the frame of the vehicle 1000 are assembled, a part of the sealing member 13 is embedded in the groove 1102 in the first direction Z, and the other part abuts against the frame of the vehicle 1000, so that the sealing member 13 is filled in the connection position between the frame of the vehicle 1000 and the case body 11, thereby sealing between the frame of the vehicle 1000 and the case body 11.

In this way, the sealing of the accommodating chamber 1103, which will be described later, can be achieved to improve the problem of moisture and dust entering the accommodating chamber 1103, and thus the problem of moisture and dust entering the battery chamber 1101 through the accommodating chamber 1103.

In some embodiments, please refer to fig. 3 to 8 and fig. 10 together, and fig. 10 is a partial cross-sectional view of a case body 11 of a battery case 10 according to still other embodiments of the present application, where the view angle of fig. 10 is the same as that of fig. 8. Wherein the tank body 11 further comprises a second fixing beam 114. In some possible designs, as shown in fig. 3-8, the second fixed beam 114 is disposed on the frame 112 and is integrally disposed with the frame 112; alternatively, in some possible designs, the second fixed beam 114 is disposed on the base plate 111 and is integrally disposed with the base plate 111; alternatively, in some possible designs, as shown in fig. 10, the second fixing beam 114 is disposed on both the base plate 111 and the frame 112, and is integrally disposed with the frame 112 and the base plate 111. The second fixed beam 114 is for fixed connection with the frame of the vehicle 1000.

The second fixing beam 114 refers to a member of the battery case 10 for fixing connection with the frame of the vehicle 1000. As one example, the second fixed beam 114 may be fixedly coupled to a frame sill of the vehicle 1000.

The battery case 10 is fixedly connected to the frame of the vehicle 1000 by integrally providing the second fixing beam 114 for fixedly connecting to the frame of the vehicle 1000 to the frame 112 or the base plate 111 or the frame 112 and the base plate 111. In addition, the provision of the second fixing beam 114 does not complicate the molding process of the battery case 10.

It should be noted that, when the first fixing beam 113 is disposed on the substrate 111, the recess 1102 is disposed on the substrate 111. The second fixing beam 114 is disposed on the substrate 111, or the second fixing beam 114 is disposed on both the substrate 111 and the frame 112, and the recess 1102 and the first fixing beam 113 need to be disposed avoiding the second fixing beam 114. For example, as shown in fig. 10, the recess 1102 is disposed away from the second fixed beam 114 in the second direction Y.

In some embodiments, referring to fig. 3 to 5 together, and referring to other drawings, the first fixing beam 113 is provided with second fixing beams 114 on opposite sides of the second direction Y, and the second fixing beams 114 extend along the third direction X; wherein the second direction Y intersects the third direction X.

The second direction Y is shown as direction Y and the third direction X is shown as direction X. The second direction Y and the third direction X intersect, which means that the second direction Y and the third direction X may form an included angle greater than 0 ° and less than 180 °, that is, the second direction Y and the third direction X are not parallel. The second direction Y and the third direction X may or may not be perpendicular to each other. The second direction Y and the third direction X may be directions intersecting on the same plane, or may be directions on planes respectively different from each other, and a projection of the second direction Y on the plane in which the third direction X is located may intersect with the third direction X.

The first direction Z intersects the second direction Y, and the first direction Z intersects the third direction X. The meaning of the first direction Z crossing the second direction Y and the meaning of the first direction Z crossing the third direction X may refer to the above explanation, and will not be described herein.

By adopting the above technical solution, the first fixing beam 113 has the second fixing beam 114 on both opposite sides of the second direction Y, i.e. the opposite ends of the box body 11 in the second direction Y have the second fixing beam 114, so as to be fixedly connected with the frame of the vehicle 1000. The second fixing beam 114 is further disposed to extend along the third direction X, so that the second fixing beam 114 can be fixedly connected to the frame of the vehicle 1000 at a plurality of positions along the third direction X. As described above, the reliability of the connection between the tank body 11 and the frame of the vehicle 1000 is made very high.

In some embodiments, as shown in fig. 3 to 5, the first fixing beam 113 may be disposed to extend in the second direction Y. Alternatively, the first fixing beam 113 may be extended in the third direction X. Even the first fixing beam 113 may be extended in a direction crossing the first direction Z, the second direction Y, and the third direction X, respectively.

In some embodiments, the number of the first fixing beams 113 may be plural, and the plurality of first fixing beams 113 may be disposed at intervals to the base plate 111 and/or the frame 112, so that connection reliability of the tank body 11 with the seat of the vehicle 1000 may be improved.

In some embodiments, please refer to fig. 3 to 10 together, and in combination with other drawings, at least a portion of the second fixing beam 114 is located outside a side portion of the frame 112 in the second direction Y.

It will be appreciated that the second fixed beam 114 extends in the second direction Y out of the frame 112.

So configured, the second fixed beam 114 may be fixedly coupled to the frame of the vehicle 1000. On this basis, the occupation of the substrate 111 by the second fixed beam 114 in the second direction Y can also be reduced, so that the area of the substrate 111 as the vehicle body floor can be made larger.

In some embodiments, referring to fig. 3, 4, and 6 to 9, and in combination with other drawings, the substrate 111 is disposed at an end of the frame 112 along the first direction Z, and a groove 1102 is disposed on a surface of the case body 11 along the first direction Z. In some possible designs, as shown in fig. 6-8, a recess 1102 is provided in the substrate 111; alternatively, in some possible designs, as shown in FIG. 9, a recess 1102 is provided in the frame 112; alternatively, in some possible designs, the recess 1102 is provided at the connection location of the frame 112 and the base 111. The recess 1102 is provided between the second fixed beam 114 and the first fixed beam 113.

By disposing the groove 1102 between the second fixed beam 114 and the first fixed beam 113, the groove 1102 is disposed so as not to interfere with the first fixed beam 113 and the second fixed beam 114, but so as to avoid the first fixed beam 113 and the second fixed beam 114. In this way, the first fixing beam 113 can be fixedly connected with the seat of the vehicle 1000, the second fixing beam 114 can be fixedly connected with the frame of the vehicle 1000, and the groove 1102 can smoothly seal the connection position of the tank body 11 and the frame. In addition, the sealing member 13 on the groove 1102 can also realize sealing of the connection position of the first fixing beam 113 and the seat, so that the problem that moisture and dust enter the battery chamber 1101 or the inside of the vehicle body through the connection position of the first fixing beam 113 and the seat can be improved.

In some embodiments, referring to fig. 3 to 6, and in combination with other drawings, the substrate 111 is disposed at an end of the frame 112 along the first direction Z. The substrate 111 is provided with a receiving structure 115 on one side surface in the first direction Z, and the receiving structure 115 is integrally connected with the substrate 111. The housing structure 115 is provided with a housing chamber 1103, the housing chamber 1103 being in communication with the battery chamber 1101.

As can be appreciated, the accommodating structure 115 is disposed on a side surface of the substrate 111 away from the cover 12 along the first direction Z. In this way, with the base plate 111 as the body floor of the vehicle 1000, the housing structure 115 is exposed to the inside of the body of the vehicle 1000, thus facilitating the maintenance of the housing chamber 1103 by the worker.

The accommodation structure 115 refers to a member having an accommodation function. Specifically, the housing structure 115 has a housing cavity 1103, and the housing cavity 1103 can be used to house various electrical components, non-electrical components, and the like. For example, the receiving cavity 1103 may be configured to receive a battery management system that is electrically connected to the battery cells 20.

The housing chamber 1103 communicates with the battery chamber 1101 to facilitate connection between the components inside the housing chamber 1103 and the battery cells 20.

By providing the housing structure 115 with the housing chamber 1103 in communication with the battery chamber 1101, the housing of the various components is facilitated, and the maintenance of the components within the housing chamber 1103 and the battery cells 20 within the battery chamber 1101 is facilitated for the staff. Further, the housing structure 115 and the base plate 111 are integrally provided, and the housing structure 115 is provided, so that the molding process of the box body 11 is not complicated.

In some embodiments, referring to fig. 3-6 in combination with other figures, the receiving cavity 1103 has a service opening 1104. The battery case 10 further includes a covering structure 14, where the covering structure 14 is disposed on the accommodating structure 115 and is capable of selectively opening or covering the maintenance opening 1104.

The maintenance port 1104 is opened in the accommodating structure 115 and is communicated with the accommodating cavity 1103.

The covering structure 14 is a member capable of selectively opening or covering the maintenance opening 1104. Specifically, the covering structure 14 is connected to the accommodating structure 115, and can open the maintenance port 1104, and can also cover the maintenance port 1104.

The covering structure 14 may be rotatably connected to the accommodating structure 115, and the covering structure 14 may rotate relative to the accommodating structure 115 to open or close the maintenance opening 1104. The covering structure 14 may also be detachably fixed to the accommodating structure 115, and the maintenance opening 1104 is opened when the covering structure 14 is detached, and the maintenance opening 1104 is covered when the covering structure 14 is fixed. For example, the cover structure 14 and the accommodating structure 115 may be fastened by a bolt, a rivet, a snap, or the like.

The covering structure 14 may have a plate-like or block-like shape.

By adopting the above technical solution, the covering structure 14 can cover the maintenance opening 1104 to cooperate with the containing structure 115 to maintain the components in the containing cavity 1103 and the battery cells 20 in the battery cavity 1101. Also, the lid structure 14 may also open the service opening 1104, thus facilitating the maintenance of the components within the receiving cavity 1103 and the battery cells 20 within the battery cavity 1101 by the personnel.

In some embodiments, referring to fig. 3, 4, and 6 to 9, and in combination with other drawings, the substrate 111 is disposed at an end of the frame 112 along the first direction Z, and a groove 1102 is disposed on a surface of the case body 11 along the first direction Z. In some possible designs, as shown in fig. 6-8, a recess 1102 is provided in the substrate 111; alternatively, in some possible designs, as shown in FIG. 9, a recess 1102 is provided in the frame 112; alternatively, in some possible designs, the recess 1102 is provided at the connection location of the frame 112 and the base 111. The recess 1102 is annular and the projection of the structure of the service hatch 1104 in the first direction Z is located within the area defined by the projection of the recess 1102 in the first direction Z.

The recess 1102 is annular, so that the projection of the recess 1102 along the first direction Z is annular, and thus a region can be defined.

The grooves 1102 may be annular, circular, elliptical, square, or even irregular. That is, the grooves 1102 are end-to-end grooves.

By disposing the projection of the maintenance hole 1104 along the first direction Z within the area defined by the projection of the groove 1102 along the first direction Z, the groove 1102 is disposed around the maintenance hole 1104. In this way, the sealing member 13 in the groove 1102 can realize the sealing of the connection position between the box body 11 and the frame of the vehicle 1000, so that the sealing of the maintenance port 1104 can be realized, and the problems that water vapor and dust enter the accommodating cavity 1103 and the battery cavity 1101 through the maintenance port 1104 can be solved, so that the protection of the battery cell 20 in the battery cavity 1101 and the components in the accommodating cavity 1103 can be realized.

In some embodiments, referring to fig. 3 and fig. 4 together, and in combination with other drawings, the battery case 10 further includes a cover 12, a flange 116 is disposed at an end edge of the frame 112 facing the cover 12, and the cover 12 is configured to connect to the flange 116 and cover the battery cavity 1101.

As will be appreciated, the cover 12 is provided at an end of the box body 11 in the first direction Z, specifically, the cover 12 is provided at an end of the frame 112 away from the base plate 111 in the first direction Z. The frame 112 is provided with a flange 116 along the first direction Z toward an end edge of the cover 12, and the flange 116 is connected to the cover 12, so that the cover 12 covers the battery chamber 1101 of the case body 11.

The cover 12 may have a plate-like structure or a hollow structure having an opening at one end.

Through adopting above-mentioned technical scheme for case body 11 passes through protruding edge 116 to be connected in lid 12, so is convenient for realize the connection of lid 12 and case body 11.

Based on the above concept, please refer to fig. 2, and in combination with other drawings, the embodiment of the present application further provides a battery 100, including a battery case 10 and a battery cell 20 disposed in the battery case 10. The battery case 10 in this embodiment is the same as the battery case 10 in the previous embodiment, and specific reference is made to the description of the battery case 10 in the previous embodiment, which is not repeated herein.

According to the battery 100 provided by the embodiment of the application, the battery box body 10 related to each embodiment is adopted, so that the box body 11 of the battery box body 10 can be molded at one time without fixing a plurality of parts to form the box body 11 in a splice welding, bonding or other modes, the molding process and molding step of the box body 11 are simplified, the molding process and the molding step of the battery 100 are further simplified, and the processing cost of the battery 100 is reduced.

Based on the above concepts, please refer to fig. 1, and in conjunction with other figures, a vehicle 1000 including a battery 100 is also provided in an embodiment of the present application. The battery 100 in this embodiment is the same as the battery 100 in the previous embodiment, and specific reference is made to the related description of the battery 100 in the previous embodiment, which is not repeated here.

According to the vehicle 1000 provided by the embodiment of the application, through adopting the battery 100 related to each embodiment, the box body 11 of the battery box body 10 can be molded at one time, and a plurality of parts are not required to be fixed to form the box body 11 in a splice welding, bonding or other modes, so that the molding process and molding step of the box body 11 are simplified, the molding process and step of the battery 100 are further simplified, and the processing cost of the battery 100 is reduced.

As one of the embodiments of the present application, as shown in fig. 3 to 8, the battery case 10 includes a case body 11, and the case body 11 includes a base plate 111, a frame 112, a first fixing beam 113, and a second fixing beam 114. The frame 112 is disposed around the outer periphery of the substrate 111 and connected to the outer periphery of the substrate 111 to form a battery chamber 1101 with the substrate 111. The substrate 111 is disposed at one end of the frame 112 along the first direction Z, and the other end of the frame 112 along the first direction Z is used for connecting the cover 12. The first fixing beam 113 is disposed on a side of the substrate 111 away from the cover 12 along the first direction Z. The second fixing beams 114 are disposed on the frame 112, and are disposed on opposite sides of the frame 112 along the second direction Y. The substrate 111 has a recess 1102 along the first direction Z at the peripheral edge of the side away from the cover 12. The first fixed beam 113 is fixedly coupled to a seat of the vehicle 1000, and the second fixed beam 114 is fixedly coupled to a frame of the vehicle 1000.

The foregoing description of the preferred embodiment of the present utility model is not intended to limit the utility model 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 utility model.

Claims (13)

1. A battery box, comprising:

the box body comprises a base plate, a frame and a first fixed beam; the frame is arranged on the periphery of the base plate and is enclosed with the base plate to form a battery cavity for accommodating the battery monomer; the first fixed beam is connected to the base plate and/or the frame and is used for being fixedly connected with a seat of a vehicle; wherein the base plate, the frame and the first fixed beam are integrally connected.

2. The battery box according to claim 1, wherein the substrate is provided at an end of the frame in the first direction, a groove is provided on a side surface of the box body in the first direction, and the groove is provided at the substrate and/or the frame.

3. The battery compartment of claim 2, further comprising a seal that fits within the recess and is configured to effect a seal between the compartment body and a frame of a vehicle.

4. A battery box according to any one of claims 1-3, wherein the box body further comprises a second fixing beam integrally provided to the frame and/or the base plate and adapted to be fixedly connected to a frame of a vehicle.

5. The battery box according to claim 4, wherein the second fixing beams are provided on opposite sides of the first fixing beam in the second direction, and the second fixing beams are provided to extend in the third direction; wherein the second direction and the third direction intersect.

6. The battery box of claim 5, wherein at least a portion of the second securing beam is located outside a side of the frame in the second direction.

7. The battery box body according to claim 4, wherein the base plate is arranged at the end part of the frame along the first direction, a groove is arranged on one side surface of the box body along the first direction, and the groove is arranged on the base plate and/or the frame; the groove is arranged between the second fixed beam and the first fixed beam.

8. A battery box according to any one of claims 1 to 3, wherein the base plate is provided at an end portion of the frame in the first direction, and a receiving structure is integrally provided on a side surface of the base plate in the first direction, the receiving structure being provided with a receiving cavity communicating with the battery cavity.

9. The battery compartment of claim 8, wherein the receiving cavity has a service opening, the battery compartment further comprising a covering structure provided to the receiving structure and capable of selectively opening or covering the service opening.

10. The battery box body according to claim 9, wherein the base plate is arranged at the end part of the frame along the first direction, a groove is formed in one side surface of the box body along the first direction, and the groove is arranged on the base plate and/or the frame and is annular; the projection of the maintenance opening along the first direction is positioned in an area defined by the projection of the groove along the first direction.

11. A battery box according to any one of claims 1-3, further comprising a cover, wherein the frame is provided with a flange towards an end edge of the cover, and the cover is configured to connect to the flange and cover the battery cavity.

12. A battery comprising a battery case according to any one of claims 1 to 11 and a battery cell provided in the battery case.

13. A vehicle comprising the battery according to claim 12.