CN217371175U

CN217371175U - Battery module welding tool

Info

Publication number: CN217371175U
Application number: CN202221211697.3U
Authority: CN
Inventors: 侯晨; 张鹏飞; 孙振华
Original assignee: Nantong Wotai New Energy Co ltd
Current assignee: Nantong Wotai New Energy Co ltd
Priority date: 2022-05-18
Filing date: 2022-05-18
Publication date: 2022-09-06
Anticipated expiration: 2032-05-18

Abstract

The utility model provides a battery module welding tool which is used for positioning a battery pack with a battery core pole and an electric connecting plate, the electric connecting plate is used for electrically connecting a plurality of electric cores of the battery pack and comprises a positioning plate, a pressing block, a pressing plate and an inter-plate connecting piece assembly, the positioning plate is provided with a containing groove, the electric connecting plate is provided with a positioning hole, when the electric connection plate is arranged in the accommodating groove, the battery cell pole is concentrically arranged with the positioning hole, the pressing block is provided with a pressing block hole and pressing block plates extending from two sides, the pressing block plates are provided with springs, one sides of the pressing blocks facing the pressing block are provided with spring grooves, the spring is positioned in the spring groove, the inter-plate connecting assembly fixes the pressing plate, the positioning plate and the pressing block clamped between the pressing plate and the positioning plate, the pressing block hole provides a welding channel for welding the battery cell pole and the electric connection plate.

Description

Battery module welding tool

Technical Field

The utility model relates to a technique of energy storage battery package, especially, it can be fast with a plurality of electric core fixed-position welding's battery module welding frock to relate to one kind.

Background

With the continuous development of new energy, energy storage batteries are also applied more and more widely in daily life, and especially in europe, australian users are increasing. In the energy storage battery system, the lithium battery needs to be connected in series and parallel between the battery core and the battery core to form a module, and the module is connected in series with the module. The series-parallel connection of the battery core and the battery core in a single battery module is mainly performed through conductive copper aluminum bars.

Generally, there are two connection modes between the cell post and the copper-aluminum bar, and one is to connect the copper-aluminum bar in series-parallel connection with the cell post plane by laser welding, so as to connect the whole battery module. The other type is through bolted connection, and the bolted connection is easy to operate and can be adjusted according to different modules.

At present, most enterprises connect a battery cell pole and a copper-aluminum bar in a laser welding mode, and the most important thing in the welding process is to ensure the positioning and connection between the battery cell pole and the copper-aluminum bar; if the vertical direction does not have certain downward pressure, the copper aluminum bar can not be completely attached to the plane of the electric core pole, so that a gap is generated between the copper aluminum bar and the plane of the electric core pole, and the welding connection sectional area is reduced.

Therefore, need the battery module welding frock of fixing a position with copper aluminium row and electric core utmost point post are firm to the rapid stabilization.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can the fast and stable location electric connection board, make things convenient for the welding of electric core and electric connection board.

In order to accomplish the above object of the utility model, the utility model provides a battery module welding tool, which is used for positioning a battery pack with a battery cell pole and an electric connecting plate, the electric connecting plate is used for electrically connecting a plurality of electric cores of the battery pack and comprises a positioning plate, a pressing block, a pressing plate and an inter-plate connecting piece assembly, the positioning plate is provided with a containing groove, the electric connecting plate is provided with a positioning hole, when the electric connection plate is arranged in the accommodating groove, the battery core pole and the positioning hole are concentrically arranged, the pressing block is provided with a pressing block hole and pressing block plates extending from two sides, the pressing block plates are provided with springs, one side of the pressing block facing the pressing block is provided with a spring groove, the spring is positioned in the spring groove, the inter-plate connecting assembly fixes the pressing plate, the positioning plate and the pressing block clamped between the pressing plate and the positioning plate, the pressing block hole provides a welding channel for welding the battery cell pole and the electric connection plate.

The utility model discloses still have following characteristic, the locating plate has the connecting piece, connecting piece and the last connecting device fixed connection who corresponds of battery package.

The utility model discloses still have following characteristic, the connecting piece is L shape sheet metal component.

The utility model discloses still have following characteristic, coupling assembling between the boards including set up respectively in locating plate connecting piece on the locating plate, set up in clamp plate connecting piece on the clamp plate and the rigid coupling piece of connecting above-mentioned locating plate connecting piece and clamp plate connecting piece.

The utility model discloses still have following characteristic, locating plate connecting piece and clamp plate connecting piece are the sheet metal component.

The utility model discloses still have following characteristic, the rigid coupling spare is vice for quick-operation clamp or bolt.

The utility model discloses still have following characteristic, electric core utmost point post the locating hole reaches the concentric setting in briquetting hole.

The utility model discloses still have following characteristic, the electric connecting plate is copper aluminium row, the briquetting is the copper briquetting.

The utility model discloses still have following characteristic, the locating plate is insulating material, the clamp plate is insulating material.

The utility model discloses still have following characteristic, the briquetting board has the clamp plate hole, equal height bolt such as also being provided with in the clamp plate, the spring set up in equal height bolt.

Use the utility model provides a technical scheme through the setting of locating plate and clamp plate, via the rigid coupling of rigid coupling spare, can fix a position the electric connecting plate fast and stably, conveniently welds.

Drawings

Exemplary embodiments of the present application will be described in detail below with reference to the attached drawings, it being understood that the following description of the embodiments is only for the purpose of explanation and not limitation of the scope of the present application, and in the accompanying drawings:

fig. 1 is a perspective assembly view of an embodiment of the battery module welding tool and a battery pack of the present invention.

Fig. 2 is a perspective assembly view of an embodiment of the battery module welding tool and a battery pack of the present invention, wherein the pressing plate is removed.

Fig. 3 is an enlarged view of a in fig. 2.

Fig. 4 is a schematic top view of the present invention.

Fig. 5 is an enlarged view at B in fig. 4.

Fig. 6 is a schematic perspective view of the positioning plate of the present invention.

Fig. 7 is a schematic perspective view of the pressing plate of the present invention.

Fig. 8 is a schematic perspective view of the press block of the present invention.

Fig. 9 is a schematic perspective view of an electrical connection board according to the present invention.

Fig. 10 is a schematic perspective view of a single battery according to the present invention.

In the figure: 10. a battery pack; 11. a battery cell pole column; 20. an electrical connection plate; 21. positioning holes; 30. positioning a plate; 31. an accommodating groove; 33. a connecting member; 40. briquetting; 41. pressing block holes; 42. a pressure plate; 43. pressing plate holes; 50. pressing a plate; 51. a spring slot; 61. a positioning plate connecting piece; 62. a platen connector; 63. and a fastening member.

Detailed Description

In order to make the purpose, technical solution and advantages of the present invention clearer, the following will combine the drawings in the embodiments of the present invention to perform more detailed description on the technical solution in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those 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 so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the invention. The following figures illustrate in detail embodiments of the present invention that incorporate the present invention.

Please refer to fig. 1, which is a perspective assembly view of an embodiment of a battery module welding tool and a battery pack according to the present invention. Battery module welding frock is used for fixing a position battery package 10 and the electric link plate 20 that has electric core utmost point post 11, welds after the location, carries out the series-parallel connection through electric link plate 20 with the electric core utmost point post 11 of electric core in the battery package 10, thereby will a plurality of electric cores of battery package 10 carry out the series-parallel connection. In various embodiments, including the present embodiment, the electrical connection board 20 is a copper aluminum bar.

Referring to fig. 2, 3, 4, 5, 6, 7, 8, 9 and 10, the battery module welding tool includes a positioning plate 30, a pressing block 40, a pressing plate 50 and an inter-plate connecting member assembly. The positioning plate 30 is made of an insulating material, and has a receiving groove 31 corresponding to the position of the electrical connection plate 20, the electrical connection plate 20 has a positioning hole 21, and when the electrical connection plate 20 is received in the receiving groove 31, the cell post 11 is aligned with the positioning hole 21. At this time, the cell post 11 and the positioning hole 21 are concentrically arranged, and may be used to position the electrical connection plate. The electrical connection plate 20 is further provided with aluminum row poles for facilitating subsequent measurement. Be provided with connecting piece 33 on locating plate 30 the utility model discloses in this connecting piece 33 be for setting up the L type sheet metal component on locating plate 30, it can be connected with the connecting device on battery package 10, including bolted connection.

The compact 40 is a copper compact, and has a compact hole 41 in the middle portion thereof and press plates 42 extending to both sides thereof. The pressure plate 42 has a pressure plate hole 43 formed therein, and a bolt of equal height is provided in the pressure plate hole 43, and a spring (not shown) is provided on the bolt of equal height.

The pressure plate 50 is made of an insulating material, and has a spring groove 51 on a side facing the pressure block 40, and the spring can be positioned in the spring groove 51. The inter-plate connecting assembly comprises a positioning plate connecting piece 61 respectively arranged on the positioning plate 30, a pressing plate connecting piece 62 arranged on the pressing plate 50 and a fixing connecting piece 63 connecting the positioning plate connecting piece 61 and the pressing plate connecting piece 62. In some embodiments including this embodiment, the positioning plate connecting member 61 and the pressing plate connecting member 62 are U-shaped sheet metal members, and the U-shaped sheet metal members are clamped on the sides of the pressing plate and the positioning plate. The rigid coupling 63 is the active grab in this embodiment, and the active grab can be fixed clamp plate and locating plate, and can adjust the elasticity degree of centre gripping between clamp plate and the locating plate. In other embodiments, the fastener 63 may be a bolt pair.

When mounting, the positioning plate 30 is first fixedly connected to the battery pack 10 via the connecting member 33. Then, the electrical connection plate 20 is disposed in the positioning groove 31, and the cell post 11 is disposed concentrically with the positioning hole 21. Next, the pressing plate 50 is attached, and the cell post 11, the positioning hole 21, and the press block hole 41 are concentrically arranged. At this time, the spring is positioned in the spring groove 51 of the pressing plate 50. Finally, the positioning plate 30 and the pressing plate 50 are pressed tightly through the fixing member 63, and after the pressing stroke of the set quick clamp is reached, the pressing block 40 applies a downward force perpendicular to the plane of the cell pole 11 to the electric connection plate 20 under the reaction force of the elastic force of the spring, so that the electric connection plate 20 and the plane of the cell pole 11 are flatly attached, and the welding quality of the electric connection plate and the plane of the cell pole 11 is ensured. The welding head extends into the pressing block hole 41, and the electric connection plate 20 and the cell pole 11 are welded together in the pressing block hole 41.

The above description is provided for the preferred embodiments of the present invention, but the present invention is not limited to the details of the above embodiments, and the technical idea of the present invention can be implemented by various simple modifications, which all belong to the protection scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.

In addition, various embodiments of the present invention can be arbitrarily combined with each other, and the disclosed content of the present invention should be considered as the same as long as it does not violate the idea of the present invention.

Claims

1. The utility model provides a battery module welding frock for to have battery package (10) and the electric connection board (20) location of electric core utmost point post (11), electric connection board (20) are used for with a plurality of electric cores of battery package (10) carry out the electricity and connect its characterized in that: comprises a positioning plate (30), a pressing block (40), a pressing plate (50) and an inter-plate connecting component, the positioning plate (30) is provided with a containing groove (31), the electric connecting plate (20) is provided with a positioning hole (21), when the electric connection plate (20) is accommodated in the accommodating groove (31), the cell pole (11) and the positioning hole (21) are concentrically arranged, the pressing block (40) is provided with a pressing block hole (41) and pressing block plates (42) extending from two sides, the pressing block plate (42) is provided with a spring, one side of the pressing block (50) facing the pressing block (40) is provided with a spring groove (51), the spring is positioned in the spring groove (51), the inter-plate connecting assembly fixes the pressing plate (50), the positioning plate (30) and the pressing block (40) clamped between the pressing plate and the positioning plate, the pressing block hole (41) provides a welding channel for welding the cell pole column (11) and the electric connection plate (20).

2. The battery module welding tool according to claim 1, wherein the positioning plate (30) is provided with a connecting piece (33), and the connecting piece (33) is fixedly connected with a corresponding connecting device on the battery pack (10).

3. The battery module welding tool according to claim 2, wherein the connecting piece (33) is an L-shaped sheet metal part.

4. The battery module welding tool according to claim 2, wherein the inter-plate connecting assembly comprises a positioning plate connecting piece (61) respectively arranged on the positioning plate (30), a pressing plate connecting piece (62) arranged on the pressing plate (50), and a fixing connecting piece (63) connecting the positioning plate connecting piece (61) and the pressing plate connecting piece (62).

5. The battery module welding tool according to claim 4, wherein the positioning plate connecting piece (61) and the pressing plate connecting piece (62) are sheet metal parts.

6. The battery module welding tool according to claim 5, wherein the fastening member (63) is a quick clamp or a bolt pair.

7. The battery module welding tool according to claim 1, wherein the cell pole (11), the positioning hole (21) and the pressing block hole (41) are concentrically arranged.

8. The battery module welding tool according to claim 1, wherein the electrical connection plate (20) is a copper aluminum bar and the pressing block (40) is a copper pressing block.

9. The battery module welding tool according to claim 1, wherein the positioning plate (30) is made of an insulating material, and the pressing plate (50) is made of an insulating material.

10. The battery module welding tool according to claim 1, wherein the pressure plate (42) is provided with a pressure plate hole (43), an equal-height bolt is arranged in the pressure plate hole (43), and the spring is arranged in the equal-height bolt.