CN211670262U - Connecting bar structure and storage battery - Google Patents

Abstract

The utility model relates to a battery technical field specifically discloses a run-on structure and battery. The utility model discloses a connecting row structure is applied to a plurality of battery modules, the electrode end polarity that every two adjacent battery modules are close to is opposite, the surface of a plurality of battery modules of connecting row structure laminating, and the connecting row structure includes first connecting row at least, second connecting row and third connecting row, first connecting row is used for connecting the total electrode end of a plurality of battery modules and outwards exports, the second connecting row is used for connecting the electrode end that two adjacent battery modules are close to, the third connecting row is used for connecting the electrode end that is close to and two spaced battery modules with the second connecting row. The utility model discloses a connecting row structure's compact structure can establish ties a plurality of battery modules to at a plurality of battery modules with total positive pole of one side output and total negative pole, can avoid the local big problem with the difference in temperature that generates heat of connecting row structure.

Description

Connecting bar structure and storage battery

Technical Field

The utility model relates to a battery technical field especially relates to a run-on structure and battery.

Background

In the technical field of storage batteries, a storage battery with a certain capacity can be formed by connecting a plurality of battery modules, and the battery modules can be electrically connected through a plurality of connecting rows, for example, the positive electrodes and the negative electrodes of the battery modules are sequentially connected in series, and the connecting rows are formed by combining and connecting the connecting rows. When a plurality of battery module single file arrange and concatenate, total positive pole and total negative pole will appear respectively at the holistic both ends of a plurality of battery module, can export total positive pole and total negative pole in same side after connecting in order to realize a plurality of battery modules, generally can connect a connection row with the total positive pole of one end or total negative pole again to export total negative pole or total positive pole department of the other end, in order to realize that total positive pole and total negative pole homonymy are qualified for the next round of competitions.

However, in the prior art, the connection row structure has the following defects: except one and strideed across the holistic long run of a plurality of battery module, only connect through the short run between the adjacent battery module, and the length difference of long run and short run is big for the resistance value of long run is very greater than the resistance value of short run, leads to long run and short run circular telegram back, and the calorific capacity of long run is greater than the calorific capacity of short run, causes the big problem with the difference in temperature of the big local heating of run structure.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the utility model is to provide a connecting row structure, its compact structure, the heat dissipation is even.

Another object of the embodiment of the present invention is to provide a battery, which has uniform heat dissipation and small size.

To achieve the purpose, the embodiment of the present invention adopts the following technical solutions:

the first aspect provides a connection row structure, is applied to a plurality of battery module, every adjacent two the electrode end polarity that the battery module is close to is opposite, the connection row structure laminating the surface of a plurality of battery modules, just the connection row structure includes first connection row, second connection row and third connection row at least, first connection row is used for connecting the total electrode end and the outside output of a plurality of battery modules, the second connection row is used for connecting adjacent two the electrode end that the battery module is close to, the third connection row be used for connecting with the second connection row is close to and spaced two the electrode end of battery module, so that the connection row structure establishes ties a plurality of battery modules, and be in the same one side output total positive pole and total negative pole of a plurality of battery modules.

As a preferable scheme of the connection bank structure, the number of the battery modules is N, the number of the first connection banks is 2, the number of the second connection banks is N/2, the number of the third connection banks is N/2-1, and N is an even number and is greater than or equal to 4.

As an optimal scheme of the connecting row structure, an avoiding structure is arranged between two ends of the third connecting row, the avoiding structure is an avoiding notch or an avoiding hole, and the avoiding structure can accommodate the second connecting row.

As a preferable mode of the connection row structure, the third connection row has a U-shape.

As a preferable mode of the connection row structure, expansion joints are provided in the length direction of the second connection row and/or the third connection row.

As a preferable scheme of the connecting row structure, a limiting structure is arranged on the third connecting row.

As a preferable scheme of the connecting row structure, a bending-resistant structure is arranged on the second connecting row and/or the third connecting row.

As a preferable aspect of the connecting row structure, the bending-resistant structure includes a bent structure and/or a thickened structure.

As a preferable scheme of the connecting bar structure, the connecting bar structure is made of any one of aluminum, copper and copper-aluminum alloy.

In a second aspect, a battery is provided, which comprises a battery module, a battery shell and a connecting bar structure, wherein the battery module is connected with the connecting bar structure, and the battery module and the connecting bar structure are arranged inside the battery shell.

The utility model discloses beneficial effect does:

through the run-on structure that sets up laminating battery module surface on a plurality of battery modules, the run-on structure includes first run-on at least, second run-on and third run-on, wherein, first run-on is used for connecting the total electrode end of a plurality of battery modules, like total positive pole and total negative pole, and outside output, the second run-on is used for connecting the electrode end that two adjacent battery modules are close to, the third run-on is used for connecting the electrode end that is close to and two spaced battery modules with the second run-on, can establish ties a plurality of battery modules through second run-on and third run-on, therefore, the utility model discloses a run-on structure is compact, can establish ties a plurality of battery modules to same one side output at a plurality of battery modules is positive and total negative pole. Because the length difference of first connecting row, second connecting row, third connecting row is less, so the resistance value difference between the three is also less, can avoid the big and big problem of the difference in temperature of connecting row structure local heating.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Fig. 1 is a schematic structural diagram of a connection row structure according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a connection row structure according to another embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a connection row structure according to another embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a second connection row and a third connection row according to another embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a second connection row and a third connection row according to another embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a second connection row and a third connection row according to another embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a storage battery according to another embodiment of the present invention.

In the figure:

1. a connecting row structure; 11. a first connecting row; 12. a second connecting row; 13. a third connecting row; 131. an avoidance structure; 132. a limiting structure;

100. an expansion joint; 101. a bending-resistant structure; 1011. a bending structure; 1012. thickening the structure;

200. a battery module; 300. and a battery case.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1, the utility model provides a connection row structure 1, be applied to a plurality of battery module 200, the electrode end polarity that every two adjacent battery module 200 are close to is opposite, the surface of a plurality of battery module 200 of connection row structure 1 laminating, and connection row structure 1 includes first connecting row 11 at least, second connecting row 12 and third connecting row 13, first connecting row 11 is used for connecting the total electrode end of a plurality of battery module 200 and outwards exports, second connecting row 12 is used for connecting the electrode end that two adjacent battery module 200 are close to, third connecting row 13 is used for connecting the electrode end that is close to and two battery module 200 of spaced with second connecting row 12, so that a plurality of battery module 200 are established ties to connection row structure 1, and export total positive pole and total negative pole with one side at a plurality of battery module 200.

By providing the connection bar structure 1 attached to the surfaces of the battery modules 200 on the plurality of battery modules 200, the connection bar structure 1 includes at least a first connection bar 11, a second connection bar 12, and a third connection bar 13. The first connecting bar 11 is used for connecting the total electrode terminals, such as the total positive electrode and the total negative electrode, of the plurality of battery modules 200 and outputting the total positive electrode and the total negative electrode; the second connection row 12 is used to connect the electrode ends of two adjacent battery modules 200, for example, the positive electrode of the second battery module 200 and the negative electrode of the third battery module 200, which are counted from the total electrode end to the other direction, are connected through one second connection row 12, and the positive electrode of the third battery module 200 and the negative electrode of the fourth battery module 200 are connected through another second connection row 12; the third connecting bar 13 is used to connect the electrode terminals of the two battery modules 200 adjacent to and spaced apart from the second connecting bar 12, and the second connecting bar 12 and the third connecting bar 13 can connect the plurality of battery modules 200 in series, for example, the negative electrode of the first battery module 200 and the positive electrode of the fourth battery module 200 are connected by the third connecting bar 13. Therefore, the utility model discloses a connection row structure 1 can establish ties a plurality of battery module 200 to at a plurality of battery module 200 with one side output total positive pole and total negative pole. Because the length difference of the first connecting row 11, the second connecting row 12 and the third connecting row 13 is small, the resistance difference between the first connecting row and the second connecting row is small, and the problems of large local heating and large temperature difference of the connecting row structure 1 can be avoided.

In an embodiment, referring to fig. 1 to 3, when the number of the battery modules 200 is N, the number of the first connecting rows 11 is 2, the number of the second connecting rows 12 is N/2, the number of the third connecting rows 13 is N/2-1, N is an even number and is greater than or equal to 4, and the total number of the connecting row structures 1 is N +1, so that the N battery modules 200 can be connected in series, and the same-side wire outlet is realized.

In an embodiment, referring to fig. 1 and 4, an avoiding structure 131 may be disposed between two ends of the third connecting row 13, the avoiding structure 131 may be an avoiding notch or an avoiding hole, and the avoiding structure 131 may accommodate the second connecting row 12, so that the second connecting row 12 and the third connecting row 13 may form a compact structure while being attached to the surface of the battery module 200, and the volume of the connecting row structure 1 is reduced.

In particular, with continued reference to fig. 4, the third connecting row 13 may be U-shaped.

In addition, with continued reference to fig. 4, the second connection row 12, or the third connection row 13, or the second connection row 12 and the third connection row 13 may be provided with an expansion joint 100 in the length direction, on one hand, the expansion joint 100 may provide a deformation margin when the connection row is thermally expanded, and on the other hand, may provide a collection point when an external device collects a signal, such as connection of an FPC (Flexible printed circuit Board), and may also make use of an arch to make a vacant space for facilitating the wiring of the collection end.

Preferably, the expansion joints 100 may be disposed in the vertical length direction of the middle of the second connection row 12 or the third connection row 13 to obtain a sufficient wiring space. The expansion joint 100 may have an arch structure or a telescopic structure, and this embodiment is not particularly limited.

In another embodiment, referring to fig. 4, the third connecting row 13 is provided with a limiting structure 132 for positioning the third connecting row by an external clamping device, so as to facilitate the installation of the third connecting row 13, and in addition, a buckle as shown in fig. 4 may be provided on the surface of the battery module 200, so as to pre-position and fix the third connecting piece 13.

Additionally, referring to fig. 5 and 6, a bending-resistant structure 101 may be disposed on the second connecting row 12, or the third connecting row 13, or the second connecting row 12 and the third connecting row 13, and the bending-resistant structure 101 may be disposed to increase the bending rigidity of the second connecting row 12 or the third connecting row 13, thereby increasing the overall rigidity of the connecting row structure 1.

Further, with continuing reference to fig. 5 and 6, the bending-resistant structure 101 may be a bent structure 1011, a thickened structure 1012, or a bent structure 1011 and a thickened structure 1012, and the stiffness improvement requirement of the bending-resistant structure 101 can be achieved by different shape structures according to the actual use situation.

In particular, in one embodiment, the connector bar structure 1 may be made of any one of aluminum, copper, and copper-aluminum alloy, and the manufacturing cost may be controlled while maintaining good electrical conductivity.

The utility model provides a battery still provides, refer to fig. 7, the utility model discloses a battery includes battery module 200, battery case 300 and the run-on 1 of above-mentioned embodiment, and battery module 200 is connected in run-on 1, and battery module 200 and run-on 1 all locate battery case 300's inside. The connecting bar structure 1 in this embodiment may have the same structure and achieve the same effect as the connecting bar structure 1 in the above embodiments, and details are not described in this embodiment.

In the description herein, it is to be understood that the terms "upper", "lower", "right", and the like are used in a descriptive sense or positional relationship based on the orientation or positional relationship shown in the drawings for convenience of description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used merely for descriptive purposes and are not intended to have any special meaning.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims (10)

1. The utility model provides a connection row structure, is applied to a plurality of battery module, its characterized in that, every adjacent two the electrode end polarity that the battery module is close to is opposite, the connection row structure laminating the surface of a plurality of battery modules, just the connection row structure includes first connection row, second connection row and third connection row at least, first connection row is used for connecting the total electrode end and the outside output of a plurality of battery modules, the second connection row is used for connecting adjacent two the electrode end that the battery module is close to, the third connection row be used for connecting with the second connection row is close to and two of spaced battery module's electrode end, so that the connection row structure establishes ties a plurality of battery modules, and be in the same one side output total positive pole and total negative pole of a plurality of battery modules.

2. The connection bank structure according to claim 1, wherein the number of the battery modules is N, the number of the first connection banks is 2, the number of the second connection banks is N/2, the number of the third connection banks is N/2-1, and N is an even number and is greater than or equal to 4.

3. A connection bank structure according to claim 1, wherein an avoiding structure is provided between two ends of the third connection bank, the avoiding structure is an avoiding notch or an avoiding hole, and the avoiding structure can accommodate the second connection bank.

4. A connector bar arrangement according to claim 3, wherein said third connector bar is U-shaped.

5. A connector bar arrangement according to claim 1, wherein the second connector bar and/or the third connector bar is provided with expansion joints in the length direction.

6. A connection bank arrangement according to claim 1, wherein a stop arrangement is provided on the third connection bank.

7. A connection bank arrangement according to claim 1, characterized in that the second connection bank and/or the third connection bank is provided with a bending-resistant arrangement.

8. A connection bank structure according to claim 7, wherein the bending resistant structure comprises a bent structure and/or a thickened structure.

9. The connector bar arrangement according to claim 1, wherein the connector bar arrangement is made of any one of aluminium, copper and copper aluminium alloy.

10. A storage battery comprising a battery module, a battery case, and the connection bar structure of any one of claims 1 to 9, wherein the battery module is connected to the connection bar structure, and the battery module and the connection bar structure are both disposed inside the battery case.

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