CN217035900U

CN217035900U - Busbar of convenient installation of modularization

Info

Publication number: CN217035900U
Application number: CN202220844044.2U
Authority: CN
Inventors: 尚德华; 杨泽乾
Original assignee: Aopu Shanghai New Energy Co Ltd
Current assignee: Aopu Shanghai New Energy Co Ltd
Priority date: 2022-04-12
Filing date: 2022-04-12
Publication date: 2022-07-22
Anticipated expiration: 2032-04-12

Abstract

The utility model discloses a modularized bus bar convenient to install. The utility model has the beneficial effects that: the bus bar is adopted, the low-voltage acquisition wiring harness of the BMS is integrated into a whole, the bus bar is integrated into a whole according to a common modularized module, the bus bar is directly covered on the battery during assembly, the voltage and the temperature of the battery can be acquired after the bus bar is welded with the positive pole and the negative pole of the battery, and sampling points do not need to be installed or welded one by one, so that the automation is easier to realize, the production efficiency is greatly improved, the bus bar is tidier and more attractive, the materials and the space are saved, and the cost is reduced; the bottom plate all adopts insulating panel to make with the connection end plate, can improve its insulating properties, and then improves the safety in utilization, and the aluminium bar connection piece is connected through the welded mode with the battery positive and negative utmost point post that sets up in the battery module in addition, avoids the condition that contact failure appears when using, guarantees that the busbar can normal use.

Description

Busbar of convenient installation of modularization

Technical Field

The utility model relates to a bus bar, in particular to a bus bar convenient and fast to modularize and install, and belongs to the technical field of lithium ion battery packs.

Background

Because lithium ion battery has energy density height, long service life, green, power height, and the like, widely used in new energy car and various energy storage application scenarios, along with lithium ion battery's technical development, new energy car change battery package and the demand that the energy storage was maintained and is changed, battery package and its interior module all tend to the modularization, at present in lithium ion battery package field, because in order to improve the change convenience of module in the battery package and further improve energy density, need adopt modular module and large capacity battery. In the prior art, a plurality of batteries are connected in series and parallel to form a module with the same size, and then the module is placed in a battery pack. The batteries in each battery module are connected in series and parallel through the connecting sheet, then sampling wire beam spots of the voltage and the temperature of the BMS are welded on the connecting sheet, and then the sampling wire beams are connected with the BMS.

The existing battery pack bus bar has some problems during connection and assembly:

1) the conventional battery pack bus bar only keeps the sizes of battery modules consistent, and internal components of the battery pack bus bar are still assembled according to the order, namely, batteries in each battery module are connected in series and parallel through a connecting sheet, then sampling wire points of the voltage and the temperature of the BMS are welded on the connecting sheet, and then the sampling wire bundles are connected with the BMS, so that the battery modules are inconvenient to replace and the production efficiency is low;

2) the existing battery pack bus bar is assembled by a plurality of components, requires a large amount of space, is not beautiful, is not suitable for a new CTP (cell To pack) technology, and has lower use safety.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving the above problems and providing a modular bus bar that is easy to install.

The utility model realizes the purpose through the following technical scheme: a modular, readily installed busbar includes

Mounting holes are arranged on the side walls of the two sides of the aluminum bar connecting sheet in a penetrating manner, and the lower surface of the aluminum bar connecting sheet is fixedly connected in mounting grooves arranged on the lower fixing plate through the mounting holes;

the patch is arranged in an installation groove arranged on the upper side of the lower fixing plate;

the battery module, and install the downside of bottom plate, and it comprises individual electric core, 12 connect through the ribbon between the electric core, the fixed connection end plate that is provided with in both ends of battery module.

As a still further scheme of the utility model: the aluminum row connecting sheet is of a stacked design, an arc-shaped bulge is arranged in the middle of the aluminum row connecting sheet, openings are formed in two sides of the arc-shaped bulge, and the arc-shaped bulge is of a hollowed-out design.

As a still further scheme of the utility model: the upper surface of paster is provided with a plurality of voltage acquisition terminals and temperature acquisition terminal respectively, connect through the pencil between a plurality of voltage acquisition terminals and between a plurality of temperature acquisition terminals, and the pencil adopts the SMD to paste on the paster.

As a still further scheme of the utility model: one side of aluminium row connection piece is fixed and is provided with the piece of gathering, a plurality of voltage acquisition terminals and temperature acquisition terminal on the paster all carry out butt joint, interlocking through gathering piece and aluminium row connection piece and fix.

As a still further scheme of the utility model: the lower fixing plate and the connecting end plate are both made of insulating plates.

As a still further scheme of the utility model: the aluminum row connecting sheet is connected with the positive and negative poles of the battery arranged in the battery module in a welding mode.

The beneficial effects of the utility model are:

1) the bus bar is used for integrating the low-voltage acquisition wire harness of the BMS into a whole, and integrating the low-voltage acquisition wire harness into the whole according to a common modularized module, the bus bar is directly covered on a battery during assembly, and after a bus sheet is welded with positive and negative poles of the battery, the voltage and the temperature of the battery can be acquired without mounting or welding sampling points one by one, so that the automation is easier to realize, the production efficiency is greatly improved, the bus bar is cleaner and more attractive, the materials and the space are saved, and the cost is reduced;

2) the lower fixing plate and the connecting end plate are both made of insulating plates, so that the insulating property of the lower fixing plate and the connecting end plate can be improved, the use safety is further improved, and the aluminum bar connecting sheet is connected with the positive and negative poles of the battery arranged in the battery module in a welding mode, so that the condition of poor contact in use is avoided, and the bus bar can be ensured to be normally used.

Drawings

FIG. 1 is a schematic view of an aluminum row connecting sheet structure according to the present invention;

FIG. 2 is a schematic view of the structure of the acquisition sheet of the present invention;

FIG. 3 is a schematic view of an assembly structure of the bus bar of the present invention;

fig. 4 is a schematic view of an assembly structure of a battery module according to the present invention.

In the figure: 1. aluminium row connection piece, 2, opening, 3, arc arch, 4, mounting hole, 5, paster, 6, voltage acquisition terminal, 7, pencil, 8, temperature acquisition terminal, 9, bottom plate, 10, mounting groove, 11, mounting groove, 12, acquisition piece, 13, electric core, 14, connection end plate, 15, ribbon.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1-4, a modular bus bar includes

The side walls of the two sides of the aluminum row connecting sheet 1 are provided with mounting holes 4 in a penetrating way, and the lower surface of the aluminum row connecting sheet is fixedly connected in a mounting groove 10 arranged on a lower fixing plate 9 through the mounting holes 4;

the patch 5 is arranged in an installation groove 11 arranged on the upper side of the lower fixing plate 9;

the battery module, and install the downside of bottom plate 9, and it comprises 12

electric cores

13, 12 connect through ribbon 15 between the electric core 13, the fixed connection end plate 14 that is provided with in both ends of battery module.

In the embodiment of the utility model, the aluminum row connecting sheet 1 is in a laminated design, the arc-shaped bulge 3 is arranged in the middle, the openings 2 are arranged on two sides of the arc-shaped bulge 3, and the arc-shaped bulge 3 is in a hollow design, so that the aluminum row connecting sheet 1 has certain front-back and left-right movement capabilities.

In the embodiment of the utility model, the upper surface of the patch 5 is respectively provided with a plurality of voltage acquisition terminals 6 and temperature acquisition terminals 8, the voltage acquisition terminals 6 and the temperature acquisition terminals 8 are connected through the wire harness 7, and the wire harness 7 is attached to the patch 5 in a patch manner, so that the voltage and the temperature of the battery module can be acquired when the battery module is used.

In the embodiment of the utility model, one side of the aluminum row connecting sheet 1 is fixedly provided with the collecting sheet 12, the voltage collecting terminals 6 and the temperature collecting terminals 8 on the patch 5 are butted and interlocked and fixed with the aluminum row connecting sheet 1 through the collecting sheet 12, and the sampling points do not need to be installed or welded one by one, so that the automation is easier to realize, the production efficiency is greatly improved, the appearance is cleaner and more beautiful, the materials and the space are saved, and the cost is reduced.

Example two

Referring to fig. 1-4, a modular bus bar includes

The aluminum row connecting sheet 1 is provided with mounting holes 4 on the side walls of two sides in a penetrating way, and the lower surface of the aluminum row connecting sheet is fixedly connected in a mounting groove 10 arranged on a lower fixing plate 9 through the mounting holes 4;

electric cores

In the embodiment of the present invention, the lower fixing plate 9 and the connecting end plate 14 are made of insulating plates, so that the insulating property thereof can be improved, and the use safety can be further improved.

In the embodiment of the utility model, the aluminum row connecting sheet 1 is connected with the positive and negative poles of the battery arranged in the battery module in a welding mode, so that the condition of poor contact in use is avoided, and the normal use of the bus bar is ensured.

The working principle is as follows: when the modularized bus bar convenient to install is used, firstly, a voltage acquisition terminal 6 and a temperature acquisition terminal 8 are installed on a patch 5 and are connected through a wire harness 7, then an aluminum bar connecting sheet 1 matched with a module is fixed on a lower fixing plate 9, then the patch 5 provided with each acquisition terminal is placed at a fixed position of the lower fixing plate 9, each terminal is butted with the acquisition position of the aluminum bar connecting sheet 1 and is interlocked and fixed, then an upper fixing plate is installed to form the bus bar, then a certain number of electric cores 13 are assembled into the module according to the serial and parallel connection requirements of the modules, then the installed bus bar is placed on the module and the position of each aluminum bar connecting sheet 1 is adjusted to be attached with a battery pole, and finally the aluminum bar connecting sheet 1 on the bus bar is welded with positive and negative poles of the battery together to complete the module installation, and the novel bus bar does not need to be installed or welded with sampling points one by one, the automatic realization is easier, the production efficiency is greatly improved, and the production line is neater and more beautiful, saves materials and space and reduces the cost.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

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 combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A modular bus bar convenient to mount is characterized by comprising

The aluminum row connecting sheet (1) is provided with mounting holes (4) on the side walls of two sides in a penetrating way, and the lower surface of the aluminum row connecting sheet is fixedly connected in a mounting groove (10) arranged on a lower fixing plate (9) through the mounting holes (4);

the patch (5) is arranged in an installation groove (11) arranged on the upper side of the lower fixing plate (9);

the battery module, and install the downside of bottom plate (9), and it comprises 12 electric cores (13), 12 connect through ribbon (15) between electric core (13), the both ends of battery module are fixed and are provided with connection end plate (14).

2. A modular easy-to-install buss bar as recited in claim 1 wherein: the aluminum row connecting piece (1) is of a stacked design, the arc-shaped protrusions (3) are arranged in the middle of the aluminum row connecting piece, openings (2) are formed in the two sides of the arc-shaped protrusions (3), and the arc-shaped protrusions (3) are of a hollowed-out design.

3. A modular easy-to-install buss bar as recited in claim 1 wherein: the upper surface of paster (5) is provided with a plurality of voltage acquisition terminals (6) and temperature acquisition terminal (8) respectively, connect through pencil (7) between a plurality of voltage acquisition terminals (6) and between a plurality of temperature acquisition terminal (8), and pencil (7) adopt the paster formula to paste on paster (5).

4. A modular easy-to-install buss bar as recited in claim 1, wherein: one side of the aluminum row connecting piece (1) is fixedly provided with a collecting piece (12), and a plurality of voltage collecting terminals (6) and temperature collecting terminals (8) on the patch (5) are in butt joint and are fixed in an interlocking mode with the aluminum row connecting piece (1) through the collecting piece (12).

5. A modular easy-to-install buss bar as recited in claim 1 wherein: the lower fixing plate (9) and the connecting end plate (14) are both made of insulating plates.

6. A modular easy-to-install buss bar as recited in claim 1, wherein: the aluminum row connecting sheet (1) is connected with positive and negative poles of a battery arranged in the battery module in a welding mode.