CN210224147U

CN210224147U - Laminated busbar made by potting process

Info

Publication number: CN210224147U
Application number: CN201921106105.XU
Authority: CN
Inventors: Songyu Zhu; 朱松余
Original assignee: Jiangsu Duoyi Energy Technology Co Ltd
Current assignee: Jiangsu Duoyi Energy Technology Co Ltd
Priority date: 2019-07-15
Filing date: 2019-07-15
Publication date: 2020-03-31
Anticipated expiration: 2029-07-15

Abstract

The utility model provides a range upon range of female arranging that embedment technology was made, include from last to PET layer, conductive polar plate, encapsulation layer, No. two PET layers and the insulating backup pad that sets gradually down, be provided with the electricity of positive negative pole and collect the hole on the PET layer, conductive polar plate is provided with a plurality of and evenly distributed, all has the signal sampling pencil to connect on every conductive polar plate. The utility model discloses simple structure, convenient operation makes things convenient for the module installation, improves production efficiency, reduces the defective rate.

Description

Laminated busbar made by potting process

Technical Field

The utility model relates to a battery module field especially relates to a range upon range of female arranging that embedment technology was made.

Background

When the lower module is designed, the connection and installation of the single units are troublesome, the labor hour is consumed, and the yield of the module is severely limited.

Published chinese utility model patent, application No. CN201721165984.4, patent name: the utility model provides an integrated BUSBAR who battery module used is female arranges, applies for the day: 2017-09-12, the utility model relates to an integrated BUSBAR who battery module used arranges, including the base plate, fix the electric connector on the base plate, the middle part of base plate from left to right is equipped with a plurality of oval through-holes of arranging in succession, one side of oval through-hole is equipped with and connects a plurality of connecting plates that are used for establishing ties or parallelly connected with the single cell on the base plate, the opposite side of oval through-hole is equipped with the current conducting plate of connection at the base plate both ends, all be connected with the conducting strip of being connected with the electric connector through the conductor wire on connecting plate and the current conducting plate, the side of base plate be equipped with battery module. The utility model can effectively reduce the occurrence of failure modes such as error in placement of the connecting plate and the current conducting plate, error in hole position of the connector and the like, and effectively prevent the problem that the conductor wire is burnt by heavy current due to the arrangement of the safety mechanism, thereby improving the qualification rate of finished products; the buckle subassembly of base plate side interval align to grid makes whole BUSBAR female arranging have more reliable contact with battery module before the welding, reduces the emergence of rosin joint.

SUMMERY OF THE UTILITY MODEL

The utility model provides a laminated busbar made by encapsulation technology, which aims at the defects of the prior art and comprises a PET layer 1, a conductive polar plate 2, an encapsulation layer 3, a PET layer 4 and an insulating support plate 5 which are arranged in sequence from top to bottom, wherein the PET layer is provided with positive and negative electricity collecting holes 6,

the conductive pole plates 2 are uniformly distributed, and each conductive pole plate 2 is connected with a signal sampling wire harness and finally led out in a connector form.

Preferably, the plurality of conductive plates 2 are arranged on one side in a parallel staggered array, and the plurality of conductive plates 2 are obliquely arranged on the other side in parallel.

Preferably, the conductive plate 2 is 6061-T6.

Preferably, the first PET layer 1 is 0.2mm thick and the second PET layer 4 is 0.25mm thick.

Preferably, the potting layer 3 is made of epoxy resin.

Preferably, the conducting plate 2 is provided with two conducting plates 7, the two conducting plates 7 are respectively connected with a positive electrode and a negative electrode, the two conducting plates 7 are different in height and are in a right-angle Z shape, and the exposed part is subjected to nickel plating treatment.

Preferably, the potting layer 3 is provided with a plurality of mounting holes 8 corresponding to the positions of the conductive plates 2, and the potting layer 3 is further provided with three-side through holes 9 corresponding to the positions of the two conductive plates 7.

The utility model has the advantages that: simple structure, convenient operation makes things convenient for the module installation, improves production efficiency, reduces the defective rate.

Drawings

FIG. 1 is an exploded view of the present invention;

fig. 2 is a left side view of the present invention;

FIG. 3 is a top view of the present invention;

in the figure, the position of the upper end of the main shaft,

1. a first PET layer; 2. a conductive plate; 3. a potting layer; 4. a second PET layer; 5. an insulating support plate; 6. an electric collecting hole; 7. a conductive plate; 8. mounting holes; 9. a three-sided via.

Detailed Description

As shown in fig. 1-3, the present invention includes: a first PET layer 1, a conductive polar plate 2, a potting layer 3, a second PET layer 4 and an insulating support plate 5 which are arranged from top to bottom in sequence, wherein the PET layer is provided with positive and negative electricity collecting holes 6,

In use, due to the fact that the sampling wire harnesses are arranged inside the laminated busbar, if hot pressing is conducted directly, a lot of hollows exist, the combination degree of the laminated busbar is poor, the flat surface is guaranteed to be formed after potting in a potting mode, and the hot pressing combination degree is not problematic.

The design of the laminated busbar facilitates the installation of the module to a great extent, greatly improves the production efficiency and reduces the reject ratio.

In this embodiment, it is preferable that the plurality of conductive electrode plates 2 are arranged in parallel in a staggered array on one side, and the plurality of conductive electrode plates 2 are arranged in parallel in an inclined manner on the other side.

By adopting the structure, due to the limitation of the product position space and the principle of cost saving, under the same space, the conducting pole plates 2 are obliquely placed on one side under the condition that the number of the conducting pole plates 2 is not changed, and the discharge position is provided for the sampling wire harness.

In the present embodiment, the conductive plate 2 is preferably made of 6061-T6 aluminum.

By adopting the structure and adopting the 6016-T6 aluminum material with the thickness of 3.0mm, the conductive performance is ensured on one hand, and the rigidity of the product is ensured on the other hand.

In the implementation, the thickness of the first PET layer 1 is preferably 0.2mm, the thickness of the second PET layer 4 is preferably 0.25mm, and the back glue can be selected from domestic and foreign.

By adopting the structure and the PET with certain thickness, the rigidity of the product is ensured.

In this embodiment, epoxy resin is preferably used for the potting layer 3.

By adopting the structure, the epoxy resin has better bonding strength and chemical resistance.

In this embodiment, preferably, two conductive plates 7 are provided, the two conductive plates 7 are respectively connected to the positive electrode and the negative electrode, and the two conductive plates 7 have different heights and are in a right-angle Z shape.

By adopting the structure, the conductive plate 7 is arranged on the conductive polar plate 2, the exposed part of the conductive plate 7 is plated with nickel, the thickness is more than 3 mu m, and the two conductive plates 7 with different heights are adopted, so that the prompt effect is achieved when the conductive plate is used, the misoperation is avoided, and the error rate is reduced.

In this embodiment, it is preferable that the potting layer 3 is provided with a plurality of mounting holes 8 corresponding to the positions of the conductive plates 2, and the potting layer 3 is further provided with three-side through holes 9 corresponding to the positions of the two conductive plates 7.

By adopting the structure, the conductive pole plate 2 can be conveniently positioned and installed without deviation.

The above-described embodiments are merely illustrative of the principles and utilities of the present patent application and are not intended to limit the present patent application. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of this patent application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of this patent application.

Claims

1. The utility model provides a range upon range of female arranging that embedment technology was made, its characterized in that includes from last PET layer (1), conductive polar plate (2), embedment layer (3), No. two PET layers (4) and the insulating backup pad (5) that set gradually extremely down, there is electric current collection hole (6) of conductive polar plate (2) on PET layer (1), conductive polar plate (2) are provided with a plurality of and evenly distributed, every all there is the signal sampling pencil to connect on conductive polar plate (2).

2. The laminated busbar manufactured by the potting process according to claim 1, wherein the laminated busbar comprises: the plurality of conductive pole plates (2) are arranged on one side in a parallel staggered array mode, and the plurality of conductive pole plates (2) are obliquely arranged on the other side in parallel.

3. The laminated busbar manufactured by the potting process according to claim 2, wherein the laminated busbar comprises: the conductive polar plate (2) is made of 6061-T6 aluminum.

4. The laminated busbar manufactured by the potting process according to claim 3, wherein the laminated busbar comprises: the thickness of the first PET layer (1) is 0.2mm, and the thickness of the second PET layer (4) is 0.25 mm.

5. The laminated busbar manufactured by the potting process according to claim 4, wherein the laminated busbar comprises: the encapsulating layer (3) is made of epoxy resin.

6. The laminated busbar manufactured by the potting process according to claim 5, wherein the laminated busbar comprises: install current conducting plate (7) on current conducting polar plate (2), current conducting plate (7) are provided with two, two current conducting plate (7) are connected respectively and are regarded as the module total and total negative, two current conducting plate (7) are high different, and the shape is the right angle Z type, and exposes partial nickel plating.

7. The laminated busbar manufactured by the potting process according to claim 6, wherein the laminated busbar comprises: the conductive plate packaging structure is characterized in that a plurality of mounting holes (8) corresponding to the positions of the conductive plates (2) are formed in the encapsulating layer (3), and three-side through holes (9) corresponding to the positions of the two conductive plates (7) are further formed in the encapsulating layer (3).