CN212848715U

CN212848715U - Electricity core module

Info

Publication number: CN212848715U
Application number: CN202021966038.1U
Authority: CN
Inventors: 张鑫
Original assignee: Poweroad Xiamen Renewable Energy Technology Co ltd
Current assignee: Fujian Liangdao New Energy Development Co ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-03-30
Anticipated expiration: 2030-09-10

Abstract

The utility model relates to a battery technology field. The utility model discloses an electricity core module, including the battery support, a plurality of electric cores, a plurality of busbar and keysets, a plurality of electric cores set up on the battery support side by side, a plurality of busbars set up respectively on the terminal surface about the battery support along electric core both ends direction, a plurality of busbars make a plurality of electric cores constitute corresponding cluster/parallel structure with the positive negative pole corresponding connection of a plurality of electric cores, a plurality of busbars are connected with the keysets electricity respectively, the keysets is equipped with parameter acquisition interface and PCB circuit, a plurality of busbars are connected with parameter acquisition interface electricity through corresponding PCB circuit respectively. The utility model discloses simple structure, the circuit is succinct, and security and reliability are high, and it is convenient to assemble, and manual operation is few, and is efficient.

Description

Electricity core module

Technical Field

The utility model belongs to the technical field of the battery, specifically relate to an electricity core module.

Background

Because the problems of environmental pollution and energy shortage are more and more serious, the nation is greatly helped to develop an electric automobile to replace a fuel automobile. One of the key technologies for the development of electric vehicles is power batteries, and nowadays, a single battery cell cannot meet the characteristics of high voltage and high capacity of ensuring the performance and the driving mileage of the whole vehicle, and a plurality of battery cells are required to form a battery module in a series/parallel connection manner, so that a plurality of battery modules form a power battery pack in a series/parallel connection manner. The performance of the battery module largely determines the performance of the whole vehicle-mounted battery and even the whole electric automobile, so that the performance requirement on the battery performance is high.

The battery voltage in the battery module needs to have external passageway to outside battery management system gathers, and current battery module generally uses the wire welding to do the output on the battery module, and it has the pencil in disorder untidy and untidy, and the electron line is damaged to lead to electric core short circuit, lasts the high temperature in the welding and has the risk that causes the potential safety hazard to the battery, and welding operation is troublesome, inefficiency.

Disclosure of Invention

An object of the utility model is to provide an electricity core module is used for solving the above-mentioned technical problem who exists.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides an electricity core module, including the battery support, a plurality of electric cores, a plurality of busbar and keysets, a plurality of electric cores set up on the battery support side by side, a plurality of busbars set up respectively on the terminal surface about the battery support along electric core both ends direction, a plurality of busbars make a plurality of electric cores constitute corresponding cluster/parallel structure with the positive negative pole corresponding connection of a plurality of electric cores, a plurality of busbars are connected with the keysets electricity respectively, the keysets is equipped with parameter acquisition interface and PCB circuit, a plurality of busbars are connected with parameter acquisition interface electricity through corresponding PCB circuit respectively.

Furthermore, each busbar is provided with a collecting tab, and the busbars are electrically connected with the adapter plate through the collecting tabs in a welding mode.

Furthermore, the battery support is provided with battery cell accommodating holes, and the hole distance between every two adjacent battery cell accommodating holes is greater than or equal to 28 mm.

Furthermore, the battery support is of a cuboid structure, the upper side and the lower side which are parallel to the length direction are provided with openings, and the front side and the rear side are respectively provided with reinforcing ribs.

Furthermore, the outer sides of the front side surface and the rear side surface of the battery bracket are respectively provided with fixing plates which extend outwards, and the fixing plates are provided with mounting and fixing holes.

Furthermore, the battery support further comprises a left insulating cover and a right insulating cover, wherein the left insulating cover and the right insulating cover are respectively covered outside the bus bars on the left end face and the right end face of the battery support.

Furthermore, the left insulating cover and the right insulating cover are respectively fixed with the battery bracket in a clamping mode through buckles.

Furthermore, the left insulating cover and the right insulating cover are respectively provided with a heat dissipation hole.

Further, still include the insulating lid in top, the keysets sets up the side on battery holder, and the insulating housing in top is established outside the keysets.

Furthermore, the top insulating cover is clamped and fixed with the battery bracket through a buckle.

The utility model has the advantages of:

the utility model discloses simple structure, the circuit is succinct, and security and reliability are high, and it is convenient to assemble, and manual operation is few, and is efficient.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only 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 block diagram of an embodiment of the present invention;

FIG. 2 is a block diagram of another perspective of an embodiment of the present invention;

FIG. 3 is a view showing the structure of the present invention without the insulating cover;

FIG. 4 is a block diagram of another embodiment of the present invention with the insulating cover omitted;

fig. 5 is a structural diagram of a battery cell and a battery holder according to an embodiment of the present invention;

fig. 6 is an exploded view of an embodiment of the present invention;

FIG. 7 is an exploded view of another perspective of an embodiment of the present invention;

fig. 8 is a structural diagram of a battery holder according to an embodiment of the present invention.

Detailed Description

To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.

The present invention will now be further described with reference to the accompanying drawings and detailed description.

As shown in fig. 1-8, an electrical core module comprises a battery support 1, a plurality of electrical cores 2, a plurality of busbars 3 and an adapter plate 4, wherein the plurality of electrical cores 2 are arranged on the battery support 1 side by side, the plurality of busbars 3 are respectively arranged on left and right end faces (based on the direction of fig. 6) of the battery support 1 along the directions of the two ends of the electrical cores 2, the plurality of busbars 3 are respectively connected with the positive and negative electrodes of the plurality of electrical cores 2 to enable the plurality of electrical cores 2 to form a corresponding series, parallel or series-parallel structure, the plurality of busbars 3 are respectively electrically connected with the adapter plate 4, the adapter plate 4 is provided with a parameter acquisition interface 41 and a PCB circuit (not shown in the figure), the plurality of busbars 3 are respectively electrically connected with the parameter acquisition interface 41 through the corresponding PCB circuit, the parameter acquisition interface 41 is connected with the outside in a butt joint mode to acquire parameters, and in the specific embodiment, the parameter acquisition interface 41 is a voltage parameter acquisition interface. The manufacture of the corresponding PCB circuit on the interposer 4 is a well-established technology, and reference may be made to the prior art, which is not described in detail.

In this embodiment, the battery cell 2 is a cylindrical battery cell 26650, but is not limited thereto, and in other embodiments, the battery cell may also be other types of battery cells.

In this embodiment, the battery holder 1 is a rectangular parallelepiped structure, and is parallel to the upper and lower side openings of the length direction thereof, so as to reduce the weight of the battery holder 1. The front side and the rear side of the battery support 1 are respectively provided with the reinforcing ribs 11, so that the strength of the battery support 1 is improved, and the protection strength of the battery core 2 is improved. Of course, in other embodiments, the shape of the battery holder 1 can be selected according to actual needs, which can be easily realized by those skilled in the art and will not be described in detail.

In this embodiment, be equipped with a plurality of electric core holding holes 12 on battery support 1, a plurality of electric cores 2 are held in electric core holding hole 12 one by one, and the hole interval (the distance of hole center to hole center promptly) of adjacent electric core holding hole 12 equals 28mm, is convenient for electric core 2 to dispel the heat and has guaranteed the safe distance between the electric core. Of course, in other embodiments, the hole spacing between adjacent cell accommodating holes 12 may also be greater than 28mm, but the volume of the cell module may increase accordingly.

In this embodiment, the battery cell accommodating hole 12 is a circular hole with a diameter of 26.8mm, and can meet the requirements of battery cell assembly of different manufacturers.

Preferably, in this embodiment, the battery bracket 1 is composed of a left bracket 13 and a right bracket 14, so as to facilitate assembly and maintenance of the battery cell 2.

In this embodiment, the fixing plates 15 extending outward are respectively disposed on the outer sides of the front and rear sides of the battery holder 1, the fixing plates 15 are provided with mounting fixing holes 151, and the battery holder 1 can be locked and fixed on the case body by screws passing through the mounting fixing holes 151.

Preferably, in this embodiment, the fixing plates 15 are disposed on the outer sides of the front and rear sides of the left and

right brackets

13 and 14, so as to improve the stability of the battery bracket 1 after being fixed.

In this embodiment, every busbar 3 all is equipped with gathers utmost point ear 31, and busbar 3 is connected through gathering utmost point ear 31 and adapter plate 4 welding and electricity, and it is good to connect the steadiness, easily the operation.

In this embodiment, the collecting tab 31 is integrally formed by extending the bus bar 3 outward, and is easy to manufacture and has good electrical connection performance, and the collecting tab 31 is bent and then welded to the adapter plate 4.

Preferably, in the present embodiment, the bus bar 3 is a nickel strip, which is easy to manufacture, low in cost and good in conductivity, but not limited thereto, and in other embodiments, other conductive materials such as copper may be used.

In this embodiment, the nickel strap 3 is a grid structure, which reduces the material consumption and the cost, but not limited thereto.

Preferably, in this embodiment, the left and right end surfaces of the battery holder 1 are further respectively provided with a positioning bump 19, the shape of the positioning bump 19 is matched with the mesh shape of the nickel strap 3, and the positioning bump 19 is inserted into the mesh of the nickel strap 3 to position the nickel strap 3, so that the assembly is facilitated, and the stability is good.

In this specific embodiment, the number of the battery cells 2 is 48, and 6 strings of the battery cells 2 are formed (that is, every 8 battery cells 2 are connected in parallel to form 6 groups, and 6 groups are sequentially connected in series), and correspondingly, the number of the nickel straps 3 is 7, 3 are disposed on the left end surface of the battery support 1, and 4 are disposed on the right end surface of the battery support 1, but not limited thereto, and in other embodiments, the number of the battery cells 2 and the serial-parallel structure may be selected according to actual needs.

Furthermore, in this embodiment, still include left insulating cover 5 and right insulating cover 6, left insulating cover 5 and right insulating cover 6 cover respectively and establish outside the nickel strap 3 of terminal surface about battery holder 1, prevent that the foreign matter from falling into and causing the inside short circuit of battery, improve security and reliability.

Preferably, in this embodiment, the left insulating cover 5 and the right insulating cover 6 are respectively fixed to the battery support 1 by a snap, and are convenient to disassemble and assemble, and of course, in other embodiments, the left insulating cover 5 and the right insulating cover 6 may also be fixed to the battery support 1 by using other existing fixing structures.

Specifically, the left insulating cover 5 is provided with a first clamping hole 51, the battery support 1 is provided with a corresponding first clamping hook 16, the right insulating cover 6 is provided with a second clamping hole 61, and the battery support 1 is provided with a corresponding second clamping hook 17.

Further, in this embodiment, the left insulating cover 5 and the right insulating cover 6 are respectively provided with

heat dissipation holes

52 and 62, so that heat dissipation of the battery module is facilitated, and safety and reliability are improved.

Furthermore, in this embodiment, still include top insulating cover 7, adapter plate 4 sets up the side on battery support 1, and top insulating cover 7 covers and establishes in adapter plate 4 outside, prevents that the foreign matter from falling into and causing the inside short circuit of battery, improves security and reliability.

Preferably, in this embodiment, the top insulating cover 7 is fixed to the battery holder 1 by a snap, and the top insulating cover 7 is easily assembled and disassembled, and in other embodiments, the top insulating cover 7 may also be fixed to the battery holder 1 by using other existing fixing structures.

Specifically, in this embodiment, the top insulating cover 7 is provided with a third locking hole 71, and the battery holder 1 is provided with a corresponding third locking hook 18.

The utility model discloses a keysets draws forth battery voltage, simple structure, and the circuit is succinct, and security and reliability are high, and it is convenient to assemble, and manual operation is few, efficient.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides an electricity core module, its characterized in that: the battery comprises a battery support, a plurality of battery cores, a plurality of busbars and a transfer board, wherein the plurality of battery cores are arranged on the battery support side by side, the plurality of busbars are respectively arranged on the left end face and the right end face of the battery support along the directions of the two ends of the battery cores, the plurality of busbars are correspondingly connected with the positive electrode and the negative electrode of the plurality of battery cores to enable the plurality of battery cores to form a corresponding serial/parallel structure, the plurality of busbars are respectively electrically connected with the transfer board, the transfer board is provided with a parameter acquisition interface and a PCB circuit, and the plurality of busbars are respectively electrically connected with the parameter acquisition interface through the corresponding PCB circuit.

2. The battery cell module of claim 1, wherein: each busbar is provided with a collecting tab, and the busbars are electrically connected with the adapter plate through the collecting tabs in a welding mode.

3. The battery cell module of claim 1, wherein: and the battery bracket is provided with battery cell accommodating holes, and the hole interval between every two adjacent battery cell accommodating holes is more than or equal to 28 mm.

4. The battery cell module of claim 1, wherein: the battery support is of a cuboid structure, the upper side and the lower side which are parallel to the length direction are provided with openings, and the front side and the rear side are respectively provided with reinforcing ribs.

5. The battery cell module of claim 4, wherein: and fixing plates extending outwards are respectively arranged on the outer sides of the front side surface and the rear side surface of the battery bracket, and mounting and fixing holes are formed in the fixing plates.

6. The battery cell module of claim 1, wherein: the battery support is characterized by further comprising a left insulating cover and a right insulating cover, wherein the left insulating cover and the right insulating cover are respectively covered outside the bus bars on the left end face and the right end face of the battery support.

7. The battery cell module of claim 6, wherein: and the left insulating cover and the right insulating cover are respectively fixed with the battery bracket in a clamping way through a buckle.

8. The battery cell module of claim 6, wherein: and the left insulating cover and the right insulating cover are respectively provided with a heat dissipation hole.

9. The battery cell module of claim 1, wherein: still include the insulating lid in top, the keysets setting is in battery holder's the last side, and the insulating housing in top is established in the keysets outside.

10. The battery cell module of claim 9, wherein: the top insulating cover is fixedly connected with the battery bracket in a clamping mode through a buckle.