CN223451136U - Battery device and electric equipment - Google Patents

Abstract

The present application relates to the field of battery technology and provides a battery device and electrical equipment. The battery device includes a first battery unit, a second battery unit, and a circuit board; the first battery unit and the second battery unit are arranged along a first direction; the first battery unit has a first surface and a second surface arranged opposite to each other, and the second battery unit has a third surface and a fourth surface arranged opposite to each other; the first surface and the third surface face the same side; the battery device has an installation area; the installation area is located between the plane where the first surface is located and the plane where the third surface is located; the circuit board is at least partially located within the installation area; the circuit board is electrically connected to the first battery unit and the second battery unit, respectively; the first direction and the second direction are perpendicular. Through such a structural arrangement, the space occupied by the battery device is reduced and the energy density of the battery device is improved.

Description

Battery device and electric equipment

Technical Field

The application relates to the technical field of batteries, in particular to a battery device and electric equipment.

Background

As the demand for electronic products increases, the battery performance of electronic products also faces serious challenges, particularly with respect to the increase of the energy density of the battery.

In the related art, the Battery comprises a shell, a Battery core and a circuit board, wherein the Battery core and the circuit board are positioned in the shell, the Battery core is electrically connected with the circuit board, and the voltage, the current, the temperature and other information of the Battery core are monitored through a Battery management system (Battery MANAGEMENT SYSTEM, BMS) on the circuit board so as to ensure safe and stable operation of the Battery.

Studies have shown that the space occupation ratio of the circuit board is difficult to be reduced under the condition that the capacity of the case of the battery is fixed, so that the energy density of the battery is not easily increased.

Disclosure of utility model

The application provides a battery device and electric equipment, which can reduce the space occupation ratio of a circuit board and the space occupation ratio of the battery device and improve the energy density of the battery device.

In order to achieve the above purpose, the present application adopts the following technical scheme:

In a first aspect, the present application provides a battery device comprising a first battery part, a second battery part, and a circuit board;

The first battery part and the second battery part are arranged along a first direction, the first battery part is provided with a first surface and a second surface which are oppositely arranged, and the second battery part is provided with a third surface and a fourth surface which are oppositely arranged;

The battery device is provided with a mounting area, and the mounting area is positioned between the plane where the first surface is positioned and the plane where the third surface is positioned along the second direction;

The circuit board is at least partially positioned in the mounting area and is respectively and electrically connected with the first battery part and the second battery part;

The first direction is perpendicular to the second direction.

As an alternative embodiment, the second surface and the fourth surface are flush with each other in the second direction.

As an alternative embodiment, the edges of the same side of the first surface and the second surface along the third direction are flush;

the edges of the same side of the third surface and the fourth surface along the third direction are flush;

The edges of the same side of the second surface and the fourth surface along the third direction are flush;

The third direction, the first direction and the second direction are perpendicular to each other.

As an alternative embodiment, the first battery part comprises at least one first battery cell and/or the second battery part comprises at least one second battery cell.

As an optional implementation manner, the plurality of first battery cells are arranged in an array.

As an optional implementation manner, the plurality of second battery cells are arranged in an array.

As an alternative embodiment, the extension length of the circuit board is less than or equal to the extension length of the first battery part along the first direction;

And/or, in the second direction, an end of the circuit board facing away from the mounting area is flush with the third surface of the second battery portion;

And/or, along a third direction, the extension length of the circuit board is smaller than or equal to the extension length of the first battery part.

As an alternative embodiment, the first battery part has a first tab, and the first battery part is electrically connected with the circuit board through the first tab;

The second battery part is provided with a second lug, and the second battery part is electrically connected with the circuit board through the second lug.

As an alternative embodiment, the first battery part has a fifth surface, the fifth surface is adjacent to the first surface and the second surface, the fifth surface is opposite to the second battery part, and the first tab is disposed on the fifth surface.

As an alternative implementation mode, the first tab is bent relative to the fifth surface to form a first tab bending part, and the first tab bending part and the fifth surface are at least partially opposite along the first direction.

As an alternative embodiment, the first tab bending portion and the fifth surface have an included angle.

As an alternative embodiment, the first tab bending portion and the fifth surface are parallel.

As an alternative embodiment, the second lug is arranged on the third surface.

As an alternative embodiment, the second lug is bent relative to the third surface to form a second lug bending part;

Along the second direction, the second lug bending part and the third surface are at least partially opposite.

As an alternative embodiment, the second lug bending part and the third surface have an included angle.

As an alternative embodiment, the second lug bending part and the third surface are parallel.

The battery device further comprises a connecting component, wherein the first tab is suitable for being electrically connected with the circuit board through connecting the connecting component;

And/or the second tab is adapted to be electrically connected by connecting the connection assembly and the circuit board.

As an alternative embodiment, the connection assembly includes a first connection member, and the first tab is adapted to be electrically connected by connecting the first connection member and the circuit board;

And/or the connecting assembly comprises a second connecting piece, and the second lug is suitable for being electrically connected with the circuit board through connecting the second connecting piece.

As an alternative embodiment, the first connector and the second connector each comprise a body; the first tab is suitable for being electrically connected with the circuit board through the body connected with the first connecting piece;

And/or the second lug is suitable for being electrically connected with the circuit board through the body of the second connecting piece.

As an alternative embodiment, the first connector and the second connector each comprise a connecting portion;

In the first connecting member, the connecting portion and the body are connected and electrically conducted;

And/or, in the second connection member, the connection portion and the body are connected and electrically conducted;

The first tab is electrically connected with the connecting part of the first connecting piece;

And/or the second lug is electrically connected with the connecting part of the second connecting piece.

As an alternative embodiment, the number of the connecting parts corresponding to the first connecting piece and the second connecting piece is multiple;

In the first connecting member, at least one of the plurality of connecting portions is connected with the first tab, and at least another one of the connecting portions is connected with the circuit board, so that the first battery portion is electrically conducted with the circuit board through the first connecting member;

And/or, in the second connecting member, at least one of the plurality of connecting portions is connected with the second tab, and at least another one is connected with the circuit board, so that the second battery portion is electrically conducted with the circuit board through the second connecting member.

As an alternative embodiment, the direction of extension of the body of the first connector is perpendicular to the direction of extension of the body of the second connector.

As an alternative embodiment, in the first connecting member, a plurality of the connecting portions are spaced apart along the extending direction of the body;

and/or, in the second connecting piece, a plurality of connecting parts are distributed at intervals along the extending direction of the body.

As an alternative embodiment, in the first connecting member, the connecting portion protrudes from a face of the body close to the first battery portion;

And/or, in the second connecting piece, the connecting part protrudes out of the surface of the body, which is close to the second battery part.

As an alternative embodiment, the first connection piece is located on the first tab.

As an alternative embodiment, the second battery part has a sixth surface, which is adjacent to the third surface and the fourth surface, which is opposite to the first battery part;

the sixth surface covers the orthographic projection of the first connecting piece on the sixth surface.

As an alternative embodiment, the second connector is located on the second tab.

As an alternative embodiment, the third surface of the second battery part covers the orthographic projection of the second connecting piece on the surface of the third surface of the second battery part;

the first surface of the first battery part covers the orthographic projection of the second connecting piece on the surface where the first surface of the first battery part is located.

According to the battery device provided by the application, the mounting area is positioned between the plane where the first surface is positioned and the plane where the third surface is positioned, and the circuit board is placed in the mounting area, so that the space utilization rate of the battery device can be improved, the space occupation ratio of the circuit board is reduced, the space occupation ratio of the battery device is further reduced, and the overall energy density of the battery device is improved. The circuit board is electrically connected with the first battery part and the second battery part respectively, so that the circuit communication in the battery device is realized.

In a second aspect, the present application provides a powered device comprising a battery arrangement according to the first aspect.

The electric equipment provided by the application can improve the energy density due to the battery device in the first direction

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present application, and 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 a battery device according to an embodiment of the application;

Fig. 2 is a schematic view of a first battery part in a battery device according to an embodiment of the present application;

fig. 3 is a schematic view of a second battery part in the battery device according to the embodiment of the application;

fig. 4 is a schematic diagram of a second battery device according to an embodiment of the present application;

fig. 5 is a schematic view of a first connector in a battery device according to an embodiment of the present application;

Fig. 6 is a schematic view of a second connector in a battery device according to an embodiment of the present application;

Fig. 7 is a schematic diagram of a circuit board in a battery device according to an embodiment of the application.

Reference numerals illustrate:

A 100-cell device;

110-first battery part, 111-first surface, 112-second surface, 113-first tab, 114-fifth surface;

120-second battery part, 121-third surface, 122-fourth surface, 123-sixth surface, 124-second tab;

130-a circuit board;

140-mounting area;

150-a connection assembly;

151-first connector 1511-first body 1512-first connector;

152-second connection, 1521-second body, 1522-second connection.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application. The following embodiments and features of the embodiments may be combined with each other without conflict.

As the demand for electronic products increases, the battery performance of electronic products also faces serious challenges, particularly with respect to the increase of the energy density of the battery.

In the related art, the Battery comprises a shell, a Battery core and a circuit board, wherein the Battery core and the circuit board are positioned in the shell, the Battery core is electrically connected with the circuit board, and the voltage, the current, the temperature and other information of the Battery core are monitored through a Battery management system (Battery MANAGEMENT SYSTEM, BMS) on the circuit board so as to ensure safe and stable operation of the Battery.

Studies have shown that the space occupation ratio of the circuit board is difficult to be reduced under the condition that the capacity of the case of the battery is fixed, so that the energy density of the battery is not easily increased.

In order to overcome the defects in the prior art, the application provides a battery device and electric equipment, wherein the battery device comprises a first battery part, a second battery part and a circuit board, the first battery part and the second battery part are arranged along a first direction, the first battery part is provided with a first surface and a second surface which are oppositely arranged, the second battery part is provided with a third surface and a fourth surface which are oppositely arranged, the first surface and the third surface face the same side of the battery device, the battery device is provided with a mounting area, and the mounting area is positioned between the first surface and the third surface along a second direction. Through the structure setting of battery device, place the circuit board in the installation zone, reduce the space ratio of circuit board to make the connection between circuit board and first battery portion and the second battery portion compacter, promote battery device's space utilization, further promote battery device's energy density.

The present application will be described in detail with reference to the accompanying drawings so that those skilled in the art can more clearly understand the present application.

As shown in fig. 1 to 7, the present application provides a battery device 100 including a first battery part 110, a second battery part 120, and a circuit board 130.

The first battery part 110 and the second battery part 120 are arranged along a first direction, the first battery part 110 is provided with a first surface 111 and a second surface 112 which are oppositely arranged, the second battery part 120 is provided with a third surface 121 and a fourth surface 122 which are oppositely arranged, the first surface 111 and the third surface 121 face the same side of the battery device 100, the battery device 100 is provided with a mounting area 140, the mounting area 140 is positioned between a plane of the first surface 111 and a plane of the third surface 121 along a second direction, the circuit board 130 is at least partially positioned in the mounting area 140, the circuit board 130 is respectively and electrically connected with the first battery part 110 and the second battery part 120, and the first direction and the second direction are perpendicular.

According to the battery device 100 provided by the application, the mounting area 140 is positioned between the plane of the first surface 111 and the plane of the third surface 121, and the circuit board 130 is placed in the mounting area 140, so that the space utilization rate of the battery device 100 can be improved, the space occupation ratio of the circuit board 130 can be reduced, the space occupation ratio of the battery device 100 can be further reduced, and the overall energy density of the battery device 100 can be improved. The circuit board 130 is electrically connected to the first battery unit 110 and the second battery unit 120, respectively, and realizes electrical communication within the battery device 100.

The specific structure of the battery device 100 and various possible embodiments are described in detail below.

The battery device 100 provided by the embodiment of the application can be applied to the fields of new energy vehicles, electronic equipment, energy storage equipment and the like, and the embodiment of the application is not limited to the fields.

Illustratively, the first battery portion 110 and the second battery portion 120 in the embodiment of the present application are arranged along the first direction (Y), where the first direction may be the length direction of the first battery portion 110, and the first direction may also be the thickness direction of the first battery portion 110.

The embodiment of the present application will be described by taking the first battery section 110 and the second battery section 120 as an example along the longitudinal direction (Y) of the first battery section 110. The first battery part 110 has a first surface 111 and a second surface 112, and the first surface 111 and the second surface 112 are disposed opposite to each other in the Z direction. The second battery part 120 has a third surface 121 and a fourth surface 122, and the third surface 121 and the fourth surface 122 are also disposed opposite in the Z direction. Wherein, in the Z-direction, the first surface 111 and the third surface 121 face the same side of the battery device 100. Accordingly, the second surface 112 and the fourth surface 122 face the same side of the battery device 100.

The mounting region 140 of the battery device 100 is located between the plane of the first surface 111 and the plane of the second surface 112. That is, the first surface 111 and the second surface 112 have a pitch in the Z direction. The circuit board 130 is disposed in the mounting region 140 to reduce the overall space occupation ratio of the battery device 100, which helps to increase the energy density of the battery device 100.

As an alternative embodiment, the second surface 112 and the fourth surface 122 are flush with each other in the second direction (Z). In this way, the overall structure of the battery device 100 is regular, facilitating the packaging of the battery device 100. The mounting region 140 in the embodiment of the present application is located only between the first surface 111 and the third surface 121.

In some embodiments, by arranging the first battery part 110 and the second battery part 120 having the same shape along the first direction, the space between the first battery part 110 and the second battery part 120 can be reduced, the components of the battery device 100 are relatively compact, the space utilization in the battery device 100 is improved, and the energy density of the battery device 100 is further improved.

The shapes of the first battery part 110 and the second battery part 120 may be columnar, square, or the like.

As an alternative embodiment, the edges of the same side of the first surface 111 and the second surface 112 along the third direction (X) are flush, the edges of the same side of the third surface 121 and the fourth surface 122 along the third direction are flush, the edges of the same side of the second surface 112 and the fourth surface 122 along the third direction are flush, and the third direction, the first direction and the second direction are perpendicular to each other.

Illustratively, when the first battery portion 110 and the second battery portion 120 are arranged along the Y direction, edges of the same sides of the first surface 111 and the second surface 112 are flush along the X direction, and the first battery portion 110 has a regular square structure. The edges of the same side of the third surface 121 and the fourth surface 122 along the X direction are flush, and the second battery part 120 is also of a regular square structure. The edges of the same side of the second surface 112 and the fourth surface 122 in the X direction in the embodiment of the present application are flush. The battery device 100 is structured by the structural arrangement of the first battery part 110 and the second battery part 120, so that the battery device 100 can be conveniently mounted and packaged.

Optionally, the first battery part 110 includes at least one first battery cell, and/or the second battery part 120 includes at least one second battery cell. This can improve the energy density of the battery device 100.

For example, the first battery part 110 may include one first battery cell, and the second battery part 120 may include one or more second battery cells. It should be noted that, in the embodiment of the present application, the first surface 111 of the first battery portion 110 and the third surface 121 of the second battery portion 120 still have a distance along the second direction, and the mounting area 140 of the battery device 100 is still located between the surface of the first surface 111 and the surface of the third surface 121.

In another embodiment, the first battery part 110 may include a plurality of first battery cells, and the second battery part 120 may include one or more second battery cells. It should be noted that, no matter how the plurality of first battery cells are arranged in the first battery portion 110 and how the plurality of second battery cells are arranged in the second battery portion 120, the first surface 111 of the first battery portion 110 and the third surface 121 of the second battery portion 120 still have a distance along the second direction, and the mounting area 140 of the battery device 100 is still located between the surface of the first surface 111 and the surface of the third surface 121. By the arrangement, the space occupation ratio of the battery device 100 is reduced, the space utilization rate of the battery device 100 is improved, and meanwhile, the energy density of the battery device 100 can be improved.

As an alternative embodiment, the plurality of first battery cells are arranged in an array. In this way, the plurality of first battery cells arranged in an array are effectively and reasonably arranged, so that the first battery portion 110 accommodates relatively more first battery cells, thereby increasing the energy density of the battery device 100.

The plurality of first battery cells can be arranged in a linear array along the Y direction, or arranged in a linear array along the Z direction. Of course, the plurality of first battery cells may be distributed in a "field" shaped array. The embodiment of the application does not require specific requirements for this.

As an alternative embodiment, the plurality of second battery cells are arranged in an array. In this way, the plurality of second battery cells arranged in an array are effectively and reasonably arranged, so that the second battery part 120 accommodates relatively more second battery cells, thereby increasing the energy density of the battery device 100.

The plurality of second battery cells can be arranged in a linear array along the Y direction, or in a linear array along the Z direction. Of course, the plurality of second battery cells may be distributed in a "field" shaped array. The embodiment of the application does not require specific requirements for this.

It should be noted that, in the embodiment of the present application, the shape of the first battery cell and the shape of the second battery cell may be the same, for example, the first battery cell and the second battery cell may be square batteries or round batteries. Or the first battery cell and the second battery cell are different in shape, for example, the first battery cell may be square, the second battery cell may be circular, etc.

In the embodiment of the present application, the first battery part 110 and the second battery part 120 are electrically connected to the circuit board 130, respectively. There are various ways in which the first battery part 110 and the circuit board 130 are electrically connected, and as an alternative embodiment, the first battery part 110 has a first tab 113, the first battery part 110 is electrically connected to the circuit board 130 through the first tab 113, the second battery part 120 has a second tab 124, and the second battery part 120 is electrically connected to the circuit board 130 through the second tab 124.

In this way, the first battery part 110 is directly connected to the circuit board 130 through the first tab 113, the second circuit board 130 is directly connected to the circuit board 130 through the second tab 124, so that the resistance of the electrical connection on the connection path can be reduced, the electrical energy loss of the battery device 100 can be reduced, and the working efficiency of the system can be improved. Meanwhile, the first battery part 110, the second battery part 120, and the circuit board 130 can be more simply installed, and the complexity and time cost of the assembly and maintenance of the battery device 100 can be reduced.

It should be noted that, in the embodiment of the present application, the number of the first tabs 113 may be plural, where a part of the number of the first tabs 113 may be used as the positive electrode of the first battery portion 110, and another part of the number of the first tabs 113 may be used as the negative electrode of the first battery portion 110. Similarly, for the second battery part 120, the number of the second tabs 124 of the second battery part 120 may be plural, wherein a part of the number of the second tabs 124 may be used as the positive electrode of the second battery part 120, and another part of the number of the second tabs 124 may be used as the negative electrode of the second battery part 120.

Alternatively, referring to fig. 2, the first battery part 110 has a fifth surface 114, the fifth surface 114 is adjacent to the first surface 111 and the second surface 112, the fifth surface 114 is opposite to the second battery part 120, and the first tab 113 is disposed on the fifth surface 114. In this way, the first tab 113 is disposed entirely on the fifth surface 114, which facilitates the installation and production of the first battery part 110 itself, and also facilitates the electrical interconnection between the first battery cells within the first battery part 110.

The first tab 113 protrudes from the fifth surface 114 of the first battery part 110 opposite to the first battery part 110, and illustratively, the first tab 113 extends along the Y direction, which results in a gap between the first battery part 110 and the second battery part 120 along the Y direction, which easily results in a difficult reduction of the space ratio of the battery device 100.

For this reason, an alternative embodiment is provided in the embodiment of the present application, where the first tab 113 is bent relative to the fifth surface 114 to form a first tab bending portion, and the first tab bending portion and the fifth surface 114 are at least partially opposite in the first direction.

The first tab 113 may extend along the Y direction and protrude from the fifth surface 114 to be connected to the circuit board 130, so as to electrically connect the circuit board 130 and the first battery portion 110. The first tab 113 in the embodiment of the present application is bent with respect to the fifth surface 114. After the first tab 113 is bent, a part of the first tab 113 forms a first tab bending portion and is opposite to the fifth surface 114. In this way, the bending of the first tab 113 reduces the space between the first battery part 110 and the second battery part 120, further reduces the space occupation ratio of the battery device 100, and is beneficial to improving the energy density of the battery device 100.

After the first tab 113 is bent relative to the fifth surface 114, the first tab bending portion and the fifth surface 114 have an included angle. That is, the first tab bending portion is disposed obliquely to the fifth surface 114.

Or in an alternative embodiment, the first tab fold and the fifth surface 114 are parallel. In this way, the space between the first battery part 110 and the second battery part 120 can be reduced, and the space between the first battery part 110 and the second battery part 120 is compact, thereby reducing the space ratio of the battery device 100.

Optionally, referring to fig. 3, a second tab 124 is disposed on the third surface 121. In this way, the first tab 113 and the second tab 124 are located at different positions of the battery device 100, so that the circuit board 130 is electrically connected to the first battery part 110 through the first tab 113, and the circuit board 130 is electrically connected to the second battery part 120 through the second tab 124. Meanwhile, the problem of internal short circuit of the battery device 100 caused by the error contact between the second tab 124 and the first tab 113 can be prevented, and the safety of the battery device 100 and the reliability of electrical connection can be improved. In addition, the second tab 124 and the first tab 113 are located at different sides of the battery device 100, so that the battery device 100 can dissipate heat, and heat concentration of the battery device 100 is prevented.

The second tab 124 may extend along the Z direction and protrude from the third surface 121 to be connected to the circuit board 130, so as to electrically connect the circuit board 130 and the second battery part 120. As an alternative embodiment, the second tab 124 is bent with respect to the third surface 121 to form a second tab bent portion, and the second tab bent portion and the third surface 121 are at least partially opposite in the second direction. In this way, the bending of the second tab 124 reduces the space structure ratio of the battery device 100 in the Z direction, which contributes to an increase in the energy density of the battery device 100.

After the second lug 124 is bent relative to the third surface 121, the second lug bending portion and the third surface 121 have an included angle. That is, the second tab bending portion is disposed obliquely with respect to the third surface 121.

Or in an alternative embodiment, the second tab fold and the third surface 121 are parallel. In this way, the structural dimension of the second battery part 120 in the Z direction is further reduced, so that the structure of the second battery part 120 is made compact, and the space occupation ratio of the battery device 100 is further reduced.

As an alternative embodiment, the extension length of the circuit board 130 is less than or equal to the extension length of the first battery part 110 in the first direction, and/or the end of the circuit board 130 facing away from the mounting region 140 is flush with the third surface 121 of the second battery part 120 in the second direction, and/or the extension length of the circuit board 130 is less than or equal to the extension length of the first battery part 110 in the third direction. In this way, by providing the circuit board 130, the first battery portion 110 and the second battery portion 120 in a structure, the space occupation ratio of the circuit board 130 and the overall space occupation ratio of the battery device 100 are reduced, which is beneficial to improving the energy density of the battery device 100.

As an alternative embodiment, the battery device 100 further includes a connection assembly 150, the first tab 113 is adapted to be electrically connected to the circuit board 130 through the connection assembly 150, and/or the second tab 124 is adapted to be electrically connected to the circuit board 130 through the connection assembly 150. Thus, by switching the electrical connection between the circuit board 130 and the first and second battery parts 110 and 120 using the connection assembly 150, the assembly process of the battery device 100 becomes easier and faster. In addition, the circuit can be disconnected and reconnected more easily when the assembly is maintained and replaced.

By way of example, the connection assembly 150 may include copper bars, aluminum bars, wires, or the like, and embodiments of the present application are not limited in this regard.

Alternatively, referring to fig. 1 to 6, the connection assembly 150 includes a first connection 151, and the first tab 113 is adapted to be electrically connected by connecting the first connection 151 with the circuit board 130. In this way, by the arrangement of the first connection member 151, the electrical connection between the first tab 113 and the circuit board 130 is achieved, so that the installation and maintenance between the first battery part 110 and the circuit board 130 are facilitated.

Optionally, the connection assembly 150 includes a second connector 152, and the second tab 124 is adapted to be electrically connected by connecting the second connector 152 to the circuit board 130. In this way, by providing the second connection member 152, the electrical connection between the second tab 124 and the circuit board 130 is achieved, so that the installation and maintenance between the second battery part 120 and the circuit board 130 are facilitated.

Note that, when the first tab 113 is electrically connected to the circuit board 130 through the first connection member 151, the second tab 124 may also be electrically connected to the circuit board 130 through the second connection member 152.

In an alternative embodiment of the present application, the first and second connection members 151 and 152 each include a body, the first tab 113 is adapted to be electrically connected to the circuit board 130 by connecting the body of the first connection member 151, and/or the second tab 124 is adapted to be electrically connected to the circuit board 130 by connecting the body of the second connection member 152.

To facilitate understanding of the embodiments of the present application by those skilled in the art, the body defining the first connection 151 is a first body 1511 and the body defining the second connection 152 is a second body 1521.

It can be understood that the first tab 113 can be connected to and electrically connected to the circuit board 130 through the switching of the first body 1511, and when the first tab 113 is plural, the first tabs 113 with the same polarity can be connected to and electrically connected to the circuit board 130 through the same first body 1511. In this way, to facilitate connection between the components of the battery device 100, it is possible to reduce the number of the first bodies 1511, further reduce the space occupation ratio of the battery device 100, and thus contribute to an increase in the energy density of the battery device 100.

It should be noted that, the second lugs 124 may be connected to and electrically connected to the circuit board 130 through the switching of the second body 1521, and when there are a plurality of second lugs 124, the second lugs 124 with the same polarity may be connected to and electrically connected to the circuit board 130 through the same second body 1521. In this way, to facilitate connection between the components of the battery device 100, it is possible to reduce the number of the second bodies 1521, further reducing the space occupation ratio of the battery device 100, thereby contributing to an increase in the energy density of the battery device 100.

Optionally, the first and second connection members 151 and 152 each include a connection portion, wherein the connection portion is connected to and electrically connected with the body in the first connection member 151, and/or wherein the connection portion is connected to and electrically connected with the body in the second connection member 152, wherein the first tab 113 is electrically connected with the connection portion of the first connection member 151, and/or wherein the second tab 124 is electrically connected with the connection portion of the second connection member 152.

To facilitate understanding of the embodiments of the present application by those skilled in the art, the connection portion of the first connection member 151 is defined as a first connection portion 1512, and the connection portion of the second connection member 152 is defined as a second connection portion 1522.

Referring to fig. 1 to 6, the first connection portion 1512 is connected to and electrically connected with the first body 1511, the first tab 113 is connected to and electrically connected with the first connection portion 1512, and the circuit board 130 may be connected to the first body 1511, such that the first battery portion 110 and the circuit board 130 are connected to and electrically connected with each other through the first tab 113 and the first connection member 151.

The second connection portion 1522 is connected to and electrically connected to the second body 1521, and the second tab 124 is connected to and electrically connected to the second connection portion 1522, and the circuit board 130 is connected to and electrically connected to the second body 1521, such that the second well portion and the circuit board 130 are connected to and electrically connected to each other via the second tab 124 and the second connection member 152.

In an alternative embodiment, the number of the connection parts corresponding to the first connection part 151 and the second connection part 152 is plural, at least one connection part of the connection parts is connected to the first tab 113, at least another connection part is connected to the circuit board 130, so that the first battery part 110 is electrically connected to the circuit board 130 through the first connection part 151, and/or at least one connection part of the connection parts is connected to the second tab 124, at least another connection part is connected to the circuit board 130, so that the second battery part 120 is electrically connected to the circuit board 130 through the second connection part 152, in the second connection part 152.

The first connection portions 1512 are two, one of the two first connection portions 1512 is connected to the first tab 113, and the other is connected to the circuit board 130, so that the first battery portion 110 and the circuit board 130 are connected and electrically conducted through the first connection member 151.

Two second connection parts 1522 are provided, one of the two second connection parts 1522 is connected to the second tab 124, and the other is connected to the circuit board 130, so that the second battery part 120 and the circuit board 130 are connected and electrically conducted through the second connection member 152.

In the embodiment of the present application, the extending direction of the body of the first connecting member 151 is perpendicular to the extending direction of the body of the second connecting member 152.

Wherein, the extending direction of the first body 1511 is along the Z direction, and the extending direction of the second body 1521 is along the Y direction. The extending direction of the first body 1511 is perpendicular to the extending direction of the second body 1521. In this way, the space can be effectively utilized, particularly in a limited installation space, to make the layout of the battery device 100 more compact, thereby reducing the space occupation ratio of the battery device 100.

When the first and second connection members 151 and 152 each have a plurality of connection portions, as an alternative embodiment, the plurality of connection portions are spaced apart along the extending direction of the body in the first connection member 151 and/or the plurality of connection portions are spaced apart along the extending direction of the body in the second connection member 152. In this way, the connecting portions arranged at intervals can effectively disperse and conduct heat, avoid overheating of local positions inside the battery device 100, and improve the heat management performance and safety of the battery device 100.

Referring to fig. 5, the number of the first connection portions 1512 is two, the two first connection portions 1512 are disposed at intervals along the extending direction (Z) of the first body 1511, the number of the second connection portions 1522 is two, and the two second connection portions 1522 are disposed at intervals along the extending direction (Y) of the second body 1521.

For example, in the first connection member 151, the connection portion protrudes from a surface of the body adjacent to the first battery part 110, and/or in the second connection member 152, the connection portion protrudes from a surface of the body adjacent to the second battery part 120, as shown in fig. 1, 4 and 5. In this way, the protruding design of the connection part can shorten the current transmission path, reduce the resistance and the energy loss, improve the overall working efficiency of the battery device 100, and also enable the butt joint between the first battery part 110 and the circuit board 130 through the first connection piece 151 and the butt joint between the second battery part 120 and the circuit board 130 through the second connection piece 152 to be visual and easy, simplify the assembly process, and reduce the assembly time and the cost.

Specifically, the first connection portion 1512 is connected to a side of the first body 1511 facing the first surface 111 in the Y direction, and the first connection portion 1512 extends in the Y direction, such that the first connection portion 1512 is connected to and electrically connected to the first tab 113 through a portion protruding from the first body 1511.

The second connection portion 1522 is connected to a side of the second body 1521 facing the third surface 121 along the Z direction, and the second connection portion 1522 extends along the Z direction, such that the second connection portion 1522 is connected to and electrically connected to the second tab 124 through a portion protruding from the second body 1521.

In combination with the foregoing embodiment, the first connection piece 151 is located on the first tab 113. Specifically, the first connection portion 1512 of the first connection member 151 is located on the first tab bending portion, so that after the first tab 113 is bent relative to the fifth surface 114, the first connection member 151 is parallel to the fifth surface 114, the space between the first battery portion 110 and the second battery portion 120 is reduced, the battery device 100 is compact, the space occupation ratio of the battery device 100 is easy to reduce, and the energy density of the battery device 100 is further improved.

Optionally, the second battery part 120 has a sixth surface 123, the sixth surface 123 is adjacent to the third surface 121 and the fourth surface 122, the sixth surface 123 is opposite to the first battery part 110, and the sixth surface 123 covers the front projection of the first connecting member 151 on the sixth surface 123.

It is understood that, in the embodiment of the present application, the extension length of the first connecting member 151 along the Z direction is less than or equal to the extension length of the sixth surface 123 along the X direction, and the extension length of the first connecting member 151 along the X direction is less than or equal to the extension length of the sixth surface 123 along the X direction, so that the orthographic projection of the first connecting member 151 on the sixth surface 123 can be covered by the sixth surface 123. In this way, the structure of the first connecting member 151 is arranged to make the structure of the battery device 100 regular and compact, reduce the space occupation ratio of the battery device 100, and further improve the energy density of the battery device 100.

Optionally, the second connector 152 is located on the second tab 124. Specifically, the second connection portion 1522 of the second connection member 152 is located on the second tab bending portion, so that after the second tab 124 is bent relative to the third surface 121, the second connection member 152 and the third surface 121 are parallel, the space ratio of the second battery portion 120 along the Z direction is reduced, and the overall structure of the battery device 100 is compact, so that the space ratio of the battery device 100 is reduced, and the energy density of the battery device 100 is further improved.

In the embodiment of the present application, the second connection member 152 extends along the Y direction to connect the second tab 124 of the second battery portion 120 and the circuit board 130, respectively, and the second connection member 152 may extend to the mounting area 140. Then, the third surface 121 of the second battery part 120 covers the orthographic projection of the second connecting member 152 on the surface of the third surface 121 of the second battery part 120, and the first surface 111 of the first battery part 110 covers the orthographic projection of the second connecting member 152 on the surface of the first surface 111 of the first battery part 110. In this way, by providing the structure of the second connector 152, the structure of the battery device 100 is regular and compact, the space occupation ratio of the battery device 100 is reduced, and the energy density of the battery device 100 is further improved.

The battery device 100 comprises a first battery part 110, a second battery part 120 and a circuit board 130, wherein the first battery part 110 and the second battery part 120 are arranged along a first direction, the first battery part 110 is provided with a first surface 111 and a second surface 112 which are oppositely arranged, the second battery part 120 is provided with a third surface 121 and a fourth surface 122 which are oppositely arranged, the first surface 111 and the third surface 121 face the same side of the battery device 100, the battery device 100 is provided with a mounting area 140, the mounting area 140 is positioned between a plane of the first surface 111 and a plane of the third surface 121 along a second direction, the circuit board 130 is at least partially positioned in the mounting area 140, and the circuit board 130 is electrically connected with the first battery part 110 and the second battery part 120 respectively. With such a configuration, the space ratio of the circuit board 130 and the space ratio of the battery device 100 are reduced, and the energy density of the battery device 100 is improved.

In addition, the application also provides electric equipment, which comprises the battery device 100 in any embodiment.

The electric equipment provided by the application can improve the energy density due to the battery device 100 in each embodiment.

The electric equipment in the embodiment of the application can be a vehicle, such as a hybrid electric vehicle or an electric vehicle.

It should be noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Furthermore, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.

Generally, terms should be understood at least in part by use in the context. For example, the term "one or more" as used herein may be used to describe any feature, structure, or characteristic in a singular sense, or may be used to describe a combination of features, structures, or characteristics in a plural sense, at least in part depending on the context. Similarly, terms such as "a" or "an" may also be understood to convey a singular usage or a plural usage, depending at least in part on the context.

It should be readily understood that "on," "above," and "above" in the present application should be interpreted in the broadest sense so that "on" means not only "directly on something," but also includes the meaning of "on something" with intermediate features or layers therebetween, and "on" or "above" includes the meaning of not only "on something" or "above," but also "above" and may include the meaning of "on something" or "above" with no intermediate features or layers therebetween (i.e., directly on something).

Further, spatially relative terms, such as "below," "beneath," "above," "over," and the like, may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may have other orientations (90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the above embodiments are merely for illustrating the technical solution of the present application and not for limiting the same, and although the present application has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that the technical solution described in the above embodiments may be modified or some or all of the technical features may be equivalently replaced, and these modifications or substitutions do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the present application.

Claims (29)

1. A battery device (100) is characterized by comprising a first battery part (110), a second battery part (120) and a circuit board (130);

The first battery part (110) and the second battery part (120) are arranged along a first direction, the first battery part (110) is provided with a first surface (111) and a second surface (112) which are oppositely arranged, the second battery part (120) is provided with a third surface (121) and a fourth surface (122) which are oppositely arranged, and the first surface (111) and the third surface (121) face towards the same side of the battery device (100);

The battery device (100) is provided with a mounting area (140), wherein the mounting area (140) is positioned between the plane of the first surface (111) and the plane of the third surface (121) along the second direction;

The circuit board (130) is at least partially positioned in the mounting area (140), and the circuit board (130) is respectively and electrically connected with the first battery part (110) and the second battery part (120);

The first direction is perpendicular to the second direction.

2. The battery device (100) according to claim 1, wherein the second surface (112) and the fourth surface (122) are flush with each other in the second direction.

3. The battery device (100) according to claim 1, wherein the first surface (111) and the second surface (112) are flush along edges of the same side in a third direction;

-the edges of the same side of the third surface (121) and the fourth surface (122) along the third direction are flush;

-the edges of the second surface (112) and the fourth surface (122) on the same side in the third direction are flush;

The third direction, the first direction and the second direction are perpendicular to each other.

4. The battery device (100) according to any one of claims 1-3, wherein the first battery part (110) comprises at least one first battery cell;

And/or the second battery part (120) comprises at least one second battery cell.

5. The battery device (100) of claim 4, wherein the plurality of first battery cells is arranged in an array.

6. The battery device (100) of claim 4, wherein the plurality of second battery cells is arranged in an array.

7. A battery device (100) according to any one of claims 1-3, wherein the extension length of the circuit board (130) is smaller than or equal to the extension length of the first battery part (110) in the first direction;

And/or, in the second direction, an end of the circuit board (130) facing away from the mounting area (140) is flush with the third surface (121) of the second battery part (120);

And/or, in a third direction, the extension length of the circuit board (130) is less than or equal to the extension length of the first battery part (110).

8. The battery device (100) according to claim 1, wherein the first battery part (110) has a first tab (113), the first battery part (110) being electrically connected to the circuit board (130) through the first tab (113);

the second battery part (120) has a second tab (124), and the second battery part (120) is electrically connected to the circuit board (130) through the second tab (124).

9. The battery device (100) of claim 8, wherein the first battery portion (110) has a fifth surface (114), the fifth surface (114) being adjacent to the first surface (111) and the second surface (112), the fifth surface (114) being opposite the second battery portion (120);

the first tab (113) is disposed on the fifth surface (114).

10. The battery device (100) according to claim 9, wherein the first tab (113) is bent with respect to the fifth surface (114) to form a first tab bent portion;

along the first direction, the first tab fold and the fifth surface (114) are at least partially opposite.

11. The battery device (100) of claim 10, wherein the first tab bend and the fifth surface (114) have an included angle.

12. The battery device (100) of claim 10, wherein the first tab bend and the fifth surface (114) are parallel.

13. The battery device (100) according to claim 8, wherein the second tab (124) is disposed on the third surface (121).

14. The battery device (100) of claim 13, wherein the second tab (124) is folded relative to the third surface (121) to form a second tab fold;

In the second direction, the second tab fold and the third surface (121) are at least partially opposite.

15. The battery device (100) of claim 14, wherein the second tab fold and the third surface (121) have an included angle.

16. The battery device (100) of claim 14, wherein the second tab fold and the third surface (121) are parallel.

17. The battery device (100) of claim 8, further comprising a connection assembly (150), the first tab (113) adapted to be electrically connected by connecting the connection assembly (150) and the circuit board (130);

And/or the second tab (124) is adapted to be electrically connected by connecting the connection assembly (150) and the circuit board (130).

18. The battery device (100) of claim 17, wherein the connection assembly (150) includes a first connection member (151), the first tab (113) being adapted to be electrically connected by connecting the first connection member (151) and the circuit board (130);

And/or the connection assembly (150) comprises a second connection (152), the second tab (124) being adapted to be electrically connected by connecting the second connection (152) and the circuit board (130).

19. The battery device (100) of claim 18, wherein the first connector (151) and the second connector (152) each comprise a body, the first tab (113) being adapted to be electrically connected by connecting the body of the first connector (151) and the circuit board (130);

And/or the second tab (124) is adapted to be electrically connected by connecting the body of the second connector (152) and the circuit board (130).

20. The battery device (100) of claim 19, wherein the first connector (151) and the second connector (152) each comprise a connection portion;

in the first connection member (151), the connection portion and the body are connected and electrically conducted;

And/or in the second connection (152), the connection and the body are connected and electrically conductive;

The first tab (113) is electrically connected to the connection portion of the first connection member (151);

And/or the second tab (124) is electrically connected to the connection portion of the second connection member (152).

21. The battery device (100) according to claim 20, wherein the number of the connection portions to which the first connection member (151) and the second connection member (152) each correspond is plural;

In the first connecting member (151), at least one of the plurality of connecting portions is connected to the first tab (113), and at least another one of the connecting portions is connected to the circuit board (130) so that the first battery portion (110) is electrically connected to the circuit board (130) through the first connecting member (151);

And/or, in the second connection member (152), at least one of the plurality of connection portions is connected to the second tab (124), and at least another one is connected to the circuit board (130) so that the second battery portion (120) is electrically connected to the circuit board (130) through the second connection member (152).

22. The battery device (100) according to claim 21, wherein an extending direction of the body of the first connecting member (151) is perpendicular to an extending direction of the body of the second connecting member (152).

23. The battery device (100) according to claim 21, wherein in the first connection member (151), a plurality of the connection portions are spaced apart along the extending direction of the body;

And/or, in the second connecting piece (152), a plurality of the connecting parts are distributed at intervals along the extending direction of the body.

24. The battery device (100) according to claim 20, wherein in the first connecting member (151), the connecting portion protrudes from a face of the body that is close to the first battery portion (110);

And/or, in the second connecting member (152), the connecting portion protrudes from a face of the body close to the second battery portion (120).

25. The battery device (100) of claim 18, wherein the first connector (151) is located on the first tab (113).

26. The battery device (100) of claim 25, wherein the second battery portion (120) has a sixth surface (123), the sixth surface (123) being adjacent to the third surface (121) and the fourth surface (122), the sixth surface (123) being opposite the first battery portion (110);

-said sixth surface (123), covering the orthographic projection of said first connection (151) on said sixth surface (123).

27. The battery device (100) of claim 18, wherein the second connector (152) is located on the second tab (124).

28. The battery device (100) according to claim 27, wherein the third surface (121) of the second battery part (120) covers an orthographic projection of the second connection member (152) on a surface of the third surface (121) of the second battery part (120);

The first surface (111) of the first battery part (110) covers the second connection member (152) in front projection on the surface of the first surface (111) of the first battery part (110).

29. A powered device comprising the battery arrangement (100) of any of claims 1-28.