CN213425091U

CN213425091U - Battery combination structure of electric vehicle

Info

Publication number: CN213425091U
Application number: CN202021731199.2U
Authority: CN
Inventors: 柯巍; 吴德胜
Original assignee: Wuxi Geyuan New Energy Power Co ltd
Current assignee: Wuxi Geyuan New Energy Power Co ltd
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2021-06-11
Anticipated expiration: 2030-08-19

Abstract

The utility model discloses an electric motor car battery integrated configuration, include: the connecting pieces comprise a body, and a first buckle and a second buckle which are respectively arranged on two adjacent side surfaces of the body, wherein every two adjacent connecting pieces in the connecting pieces are mutually spliced along a first direction and/or a second direction perpendicular to the first direction through the first buckle and the second buckle, grooves are respectively arranged on the upper side and the lower side of the central position of each connecting piece, and through holes are formed in the central positions of the grooves; the battery comprises a plurality of battery monomers, wherein two ends of each battery monomer are respectively arranged in two grooves of the connecting piece, the grooves are respectively perpendicular to the first direction and the second direction, and the grooves are formed in the third direction at intervals. The battery combination of the utility model is more flexible and convenient.

Description

Battery combination structure of electric vehicle

Technical Field

The utility model relates to an electric motor car technical field especially relates to an electric motor car battery integrated configuration.

Background

At present, when a plurality of batteries are used in combination, especially, when a plurality of single cylindrical batteries form a large-capacity and high-voltage battery pack through series-parallel combination, the plurality of batteries are usually connected through a wire to form the large-capacity battery pack, the combination is very inconvenient, the circuit is complex, the potential safety hazard is large, or an integral mold is adopted to assemble the batteries, the flexibility of the battery combination is limited, the product development cost is increased, inconvenience is brought to the maintenance and the like of the product, and the whole battery pack can be damaged in the aspects of maintenance, disassembly and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a battery combination is convenient, and nimble electric motor car battery integrated configuration.

In order to solve the technical problem, the utility model discloses a technical scheme provide an electric vehicle battery integrated configuration, include:

the connecting pieces comprise a body, and a first buckle and a second buckle which are respectively arranged on two adjacent side surfaces of the body, wherein every two adjacent connecting pieces in the connecting pieces are mutually spliced along a first direction and/or a second direction perpendicular to the first direction through the first buckle and the second buckle, grooves are respectively arranged on the upper side and the lower side of the central position of each connecting piece, and through holes are formed in the central positions of the grooves;

the battery comprises a plurality of battery monomers, wherein two ends of each battery monomer are respectively arranged in two grooves of the connecting piece, the grooves are respectively perpendicular to the first direction and the second direction, and the grooves are formed in the third direction at intervals.

In an embodiment of the present invention, the body is a square plate body with a flat shape.

In an embodiment of the present invention, the first buckle and the second buckle are L-shaped buckles, the L-shaped buckles include a short side and a long side that are connected perpendicular to each other, the short side and the body connection, the long side and the short side are kept away from the one end of the body connection, and the long side and the edge of the body are parallel to each other.

In an embodiment of the present invention, the opening direction formed by the first buckle and the body is the same as the opening direction formed by the second buckle and the body.

In an embodiment of the present invention, when two adjacent connecting members are connected to each other, the first buckle of one of the connecting members and the second buckle of the other connecting member are engaged with each other.

The utility model discloses an in the embodiment, it is a plurality of form the louvre after the connecting piece splices each other.

In an embodiment of the present invention, the groove and the through hole are cylindrical, the central line of the through hole and the central line of the groove coincide with each other, the single battery is cylindrical, and the outer diameter of the single battery is greater than the diameter of the groove.

In an embodiment of the present invention, two adjacent battery cells stacked in the third direction are respectively connected to the connecting member through two corresponding connecting members.

The utility model discloses an in the embodiment, every follow on the connecting piece the third direction link up and is provided with the mounting hole, the bolt passes corresponding two in proper order the connecting piece mounting hole and nut are connected.

In an embodiment of the present invention, each of the connecting members is provided with four mounting holes, four mounting holes are arranged along the central circumference array of the body, four the bolt sequentially passes through two corresponding connecting members, four mounting holes and four nuts are connected.

The utility model discloses an useful part lies in:

be different from prior art, use the technical scheme of the utility model, during the in-service use, every adjacent two connecting piece accessible splice each other along first direction and second direction with the second buckle in a plurality of connecting pieces, the upper and lower both sides of the intermediate position of every connecting piece are provided with the recess respectively, the central point of recess puts and is provided with the through-hole, every free both ends of battery set up respectively in two recesses along the connecting piece that third direction interval set up, thereby can realize a plurality of free concatenation combinations of battery along the flexibility of first direction and second direction. Compared with the prior art, the battery combination of the battery combination structure of the electric vehicle is more flexible and convenient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view illustrating a plurality of connecting members of an electric vehicle battery assembly structure according to an embodiment of the present invention, which are assembled and engaged with each other along a first direction and a second direction;

fig. 2 is a schematic sectional view illustrating a plurality of connecting members of an electric vehicle battery assembly structure in a third embodiment of the present invention spliced and engaged with each other along a third direction.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

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

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1-2, an embodiment of the present invention provides an electric vehicle battery assembly structure, which includes a plurality of connecting members 1 and a plurality of battery cells 2. Each connecting piece 1 comprises a body 11 and a first buckle 15 and a second buckle 16 which are respectively arranged on two adjacent side surfaces of the body 11, each two adjacent connecting pieces 1 in the plurality of connecting pieces 1 are mutually spliced along a first direction and/or a second direction perpendicular to the first direction through the first buckle 15 and the second buckle 16, grooves 12 are respectively arranged on the upper side and the lower side of the central position of each connecting piece 1, and through holes 13 are formed in the central positions of the grooves 12. Two ends of each battery monomer 2 are respectively arranged in the grooves 12 of the two connecting pieces 1 which are arranged at intervals along a third direction which is respectively vertical to the first direction and the second direction.

The first direction is the vertical direction in fig. 1, the second direction is the horizontal direction in fig. 1, and the third direction is the direction perpendicular to the paper surface in fig. 1.

Above-mentioned electric motor car battery integrated configuration, during the in-service use, splice each other along first direction and second direction in every two adjacent connecting piece 1 accessible in a plurality of connecting pieces 1 and

second buckle

15 and 16, the upper and lower both sides of the intermediate position of every connecting piece 1 are provided with recess 12 respectively, the central point of recess 12 puts and is provided with through-hole 13, every battery monomer 2's both ends set up respectively in two recess 12 along connecting piece 1 of third direction interval setting, thereby can realize the nimble concatenation combination of a plurality of battery monomer 2 along first direction and second direction. Compared with the prior art, the battery combination of the battery combination structure of the electric vehicle is more flexible and convenient.

In the embodiment of the present invention, the body 11 is a flat square plate, the length and width of the body 11 are equal, and the thickness is thinner (height is smaller). Therefore, when the connecting pieces 1 are spliced, the connecting pieces can be mutually matched, and the space utilization rate is high. Preferably, the number of the connecting members 1 is four.

Further, first buckle 15 and second buckle 16 are L-shaped buckle spare, and L-shaped buckle spare includes minor face and the long limit that mutually perpendicular connects, and the minor face is connected with body 11, and the body 11 was kept away from to the one end connection of body 11 for long limit and minor face, and the edge of long limit and body 11 is parallel to each other.

Further, the opening direction formed by the first catch 15 and the body 11 is the same as the opening direction formed by the second catch 16 and the body 11, such as clockwise direction shown in fig. 1.

Further, when two adjacent connecting pieces 1 are spliced with each other, the first catch 15 of one connecting piece 1 and the second catch 16 of the other connecting piece 1 are engaged with each other.

Further, a plurality of connecting pieces 1 are spliced to form heat dissipation holes 17. The heat dissipation holes 17 can improve the heat dissipation performance of the battery pack.

The embodiment of the utility model provides an in, recess 12 and through-hole 13 are cylindricly, and the central line of through-hole 13 and the central line of recess 12 coincide each other, and the diameter of through-hole 13 is less than the diameter of recess 12. In the embodiment, the single battery 2 is cylindrical, and the outer diameter of the single battery 2 is larger than the diameter of the groove 12. During the installation, the tip of battery monomer 2 supports and leans on in recess 12, because the diameter of recess 12 is less than battery monomer 2's external diameter, consequently battery monomer 2 can firmly be fixed in recess 12, and battery monomer 2 is more firm in the installation of connecting piece 1.

The embodiment of the utility model provides an in, follow two adjacent battery monomer 2 of the range upon range of setting of third direction respectively through two connecting piece 1 fixed connection that correspond. In the embodiment, each connecting member 1 is provided with a mounting hole 14 penetrating along the third direction, and the bolt 3 sequentially penetrates through the mounting holes 14 of the two corresponding connecting members 1 to be connected with the nut 4. In this manner, the stack combination of the battery cells 2 in the third direction can be achieved. The two corresponding connectors 1 refer to the connector 1 located at the bottom end of the upper battery cell 2 and the connector 1 located at the top end of the lower battery cell 2.

Specifically, in the embodiment, each connecting piece 1 is provided with four mounting holes 14, the four mounting holes 14 are arranged in an array along the central circumference of the body 11, and the four bolts 3 respectively penetrate through the four mounting holes 14 of the two corresponding connecting pieces 1 in sequence and are connected with the four nuts 4. Thus, the fixed connection of the two corresponding connecting pieces 1 is firmer.

The utility model discloses an electric motor car battery integrated configuration can realize cylindrical battery's diversified built-up connection, and connecting piece 1 is supporting each other with battery monomer 2, makes battery monomer 2 can make up into the group battery of different capacity and voltage at the arbitrary combination of three-dimensional direction, and the combination, dismantlement are simple and convenient, and battery monomer 2 connects mechanical stability good, and the structure is pleasing to the eye.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. An electric vehicle battery assembly structure, comprising:

2. The electric vehicle battery assembly structure as claimed in claim 1, wherein the body is a square plate body in a flat shape.

3. The electric vehicle battery combination structure according to claim 2, wherein the first buckle and the second buckle are L-shaped buckles, each L-shaped buckle comprises a short side and a long side which are connected perpendicularly to each other, the short sides are connected with the body, the long sides and the short sides are connected at ends far away from the body, and edges of the long sides and the body are parallel to each other.

4. The electric vehicle battery assembly structure as claimed in claim 3, wherein the opening direction formed by the first hook and the body is the same as the opening direction formed by the second hook and the body.

5. The battery assembly structure of claim 4, wherein when two adjacent connecting members are connected to each other, the first snap of one of the connecting members and the second snap of the other connecting member are engaged with each other.

6. The battery assembly structure for electric vehicles of claim 5, wherein the heat dissipation holes are formed by splicing a plurality of the connecting members.

7. The electric vehicle battery combination structure of claim 1, wherein the groove and the through hole are both cylindrical, the center line of the through hole and the center line of the groove coincide with each other, the battery cell is cylindrical, and the outer diameter of the battery cell is larger than the diameter of the groove.

8. The electric vehicle battery assembly structure of claim 1, wherein two adjacent battery cells stacked in the third direction are fixedly connected by corresponding two of the connecting members, respectively.

9. The electric vehicle battery combination structure as claimed in claim 8, wherein each of the connecting members has a mounting hole formed therethrough along the third direction, and a bolt is sequentially inserted through the mounting holes of the corresponding two connecting members and is connected to the nut.

10. The electric vehicle battery combination structure as claimed in claim 9, wherein each of the connectors is provided with four mounting holes, the four mounting holes are arranged along a central circumference of the body in an array, and four bolts respectively sequentially penetrate through the four mounting holes of the corresponding two connectors and are connected with the four nuts.