CN211404569U

CN211404569U - Battery pack

Info

Publication number: CN211404569U
Application number: CN201922430628.6U
Authority: CN
Inventors: 吴应强; 梁向龙; 曾严; 杨苗; 陈世勇
Original assignee: Dongguan Wotaitong New Energy Co ltd
Current assignee: Dongguan Langtaitong Technology Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-09-01
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a battery pack, which comprises a top plate, a bottom plate, a shell fixedly connected between the top plate and the bottom plate and a battery module, wherein the shell comprises a pair of long side plates arranged at intervals and a pair of short side plates connected with the pair of long side plates and arranged at intervals; the top plate is close to casing one end and is equipped with first recess, and the bottom plate is close to casing one end and is equipped with the second recess, and the battery module is close to top plate one end and is equipped with first arch, and the battery module is close to bottom plate one end and is equipped with the second arch. The beneficial effects of the utility model reside in that: the battery module fixed in the shell is clamped, and the first protrusion and the second protrusion on the matched battery module and the first groove and the second groove of the bottom plate are clamped and fixed with each other, so that the stability and the safety of the battery module can be effectively improved.

Description

Battery pack

[ technical field ] A method for producing a semiconductor device

The utility model relates to a battery technology field especially relates to a battery pack.

[ background of the invention ]

The power battery of the new energy vehicle is inevitably subjected to conditions of collision, sudden braking and the like during the running of the vehicle, so that the power battery is loosened, and the running and the safety of the vehicle are influenced.

In view of the above, it is desirable to provide a battery pack to overcome the above-mentioned drawbacks.

[ Utility model ] content

The utility model aims at providing a group battery can effectively solve the problem among the background art.

In order to achieve the above object, the present invention provides a battery pack, which includes a top plate, a bottom plate, a housing fixedly connected between the top plate and the bottom plate, and a battery module, wherein the housing includes a pair of long side plates disposed at intervals and a pair of short side plates connected to the pair of long side plates and disposed at intervals, the pair of long side plates and the pair of short side plates form a hollow portion, the battery module is located in the hollow portion, the short side plates are provided with slots communicated with the hollow portion, and the battery module is fixedly clamped with the housing through the slots; the top plate is close to one end of the shell and is provided with a first groove, the bottom plate is close to one end of the shell and is provided with a second groove, one end of the battery module, which is close to the top plate, is provided with a first bulge which corresponds to the first groove and is fixedly clamped by the card, and one end of the battery module, which is close to the bottom plate, is provided with a second bulge which corresponds to the second groove and is fixedly clamped by the card.

In a preferred embodiment, the battery module includes a plurality of batteries and a pair of brackets, each bracket is recessed and extended to form a plurality of receiving grooves, each receiving groove is provided with an energizing hole, the batteries are clamped between the pair of brackets, two ends of each battery are correspondingly received in the receiving grooves one by one and are tightly attached to the energizing holes, one end of each bracket, which is close to the short side plate, is provided with a fixing member, and the bracket is clamped and fixed with the housing in the corresponding groove through the fixing member; the first projection is located on one of the brackets and the second projection is located on the other of the brackets.

In a preferred embodiment, a plurality of first heat dissipation holes are uniformly distributed on the edge of each support, a bus board is arranged at one end of each support, which is close to the top board or the bottom board, a power-on contact corresponding to the power-on holes is arranged on the bus board, and the power-on contact is connected with one end of the battery.

In a preferred embodiment, the top plate and the bottom plate are provided with second heat dissipation holes corresponding to the power-on contacts.

In a preferred embodiment, one end of each bus bar, which is close to one short side plate, is further provided with a voltage outlet port, and the voltage outlet port is located in the slot.

The utility model discloses a card is held and is fixed the battery module in the casing, and the mutual card of first recess and the second recess of first arch and second arch and bottom plate is held fixedly on cooperation battery module, stability and the security that can effectual increase group battery.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is an exploded view of the present invention.

Fig. 2 is a schematic structural view of the top plate of the present invention in another direction.

Fig. 3 is a schematic structural view of the bottom plate of the present invention in another direction.

Fig. 4 is a bottom view of the bracket of the present invention.

Fig. 5 is a left side view of the bracket of the present invention.

In the figure: 100. a battery pack; 10. a housing; 11. a long side plate; 12. short side plates; 121. grooving; 13. a hollow part; 20. a top plate; 21. a first groove; 22. a second heat dissipation hole; 30. a base plate; 31. a second groove; 40. a battery module; 41. a battery; 42. a support; 421. a first protrusion; 422. an accommodating groove; 4221. a power-on hole; 423. a first heat dissipation hole; 424. a fixing member; 50. a bus bar; 51. and energizing the contacts.

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantageous technical effects of the present invention more clearly understood, the present invention is further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration only and not by way of limitation.

Referring to fig. 1 to 4, the present invention provides a battery 41 pack 100, including a top plate 20, a bottom plate 30, a housing 10 fixedly connected between the top plate 20 and the bottom plate 30, and a battery 41 module 40, wherein the housing 10 includes a pair of long side plates 11 disposed at intervals and a pair of short side plates 12 connected to the pair of long side plates 11 and disposed at intervals, the pair of long side plates 11 and the pair of short side plates 12 form a hollow portion 13, the battery 41 module 40 is located in the hollow portion 13, the short side plates 12 are provided with slots 121 communicated with the hollow portion 13, and the battery 41 module 40 is fixedly clamped with the housing 10 through the slots 121; the top plate 20 is provided with a first groove 21 at one end close to the housing 10, the bottom plate 30 is provided with a second groove 31 at one end close to the housing 10, the battery 41 module 40 is provided with a first protrusion 421 corresponding to the first groove 21 and fixedly clamped at one end close to the top plate 20, and the battery 41 module 40 is provided with a second protrusion (not shown) corresponding to the second groove 31 and fixedly clamped at one end close to the bottom plate 30.

Specifically, the top plate 20 is fixedly connected to the top of the housing 10, the bottom plate 30 is fixedly connected to the bottom of the housing 10, and the battery module 40 is located in the hollow portion 13 and is fixed to the housing 10 by being matched with the slot 121 to increase shock resistance and vibration resistance. During roof 20 and casing 10 fixed connection, first recess 21 and first protruding 421 cooperations, greatly increased battery module 40's stability, be difficult to take place the shake, during bottom plate 30 and casing 10 fixed connection, second recess 31 and the protruding (not marked in the figure) cooperation of second, greatly increased battery module 40's stability, be difficult to take place the shake, the thickness of the long curb plate 11 and the short curb plate 12 of casing 10 all is than thicker, have good shock resistance, battery module 40's safety has been protected, greatly increased group battery 100's security.

The battery module 40 includes a plurality of batteries 41 and a pair of brackets 42, each bracket 42 is recessed and extended to form a plurality of receiving grooves 422, each receiving groove 422 is internally provided with an energizing hole 4221, the plurality of batteries 41 are clamped between the pair of brackets 42, two ends of each battery 41 are correspondingly received in the receiving grooves 422 of the pair of brackets 42 one by one and tightly attached to the energizing hole 4221, one end of each bracket 42 close to the short side plate 12 is respectively provided with a fixing member 424, and the bracket 42 is clamped and fixed with the housing 10 in the slot 121 through the fixing member 424; the first protrusion 421 is located on one of the brackets 42, and the second protrusion (not shown) is located on the other bracket 42. Specifically, each battery 41 has a cylindrical shape, and each holder 42 has a substantially rectangular parallelepiped shape and is made of a plastic material. When the battery 41 is fixed through the accommodating groove 422 of the support 42, two ends of the battery 41 are tightly attached to the electrifying hole 4221, so that the electrifying contact 51 can be conveniently contacted with two ends of the battery 41, the contact area is greatly increased, and the normal electrification of the battery module 40 can be effectively ensured. The same end of each bracket 42 is provided with a fixing member 424, the fixing member 424 is located in the slot 121 and is respectively clamped and fixed with the short side plate 12 of the housing 10, so that the battery module 40 is clamped and fixed on the housing 10, and the fixing member 424, such as a screw or other fixing member, can be disassembled by externally detaching the fixing member 424 when the disassembly is required, and the top plate 20 and the bottom plate 30 are fixed on the housing 10 by bolts and can be disassembled during the maintenance process. The protrusions are arranged on the support 42, the battery 41 is fixed on the support 42, and then the top plate 20 or the bottom plate 30 is clamped and fixed through the matching of the grooves and the protrusions, so that the battery pack 100 is fixed layer by layer, and the stability of the battery pack is greatly improved.

Each of the brackets 42 is provided with a plurality of first heat dissipation holes 423 which are uniformly distributed, one end of each bracket 42, which is close to the top plate 20 or the bottom plate 30, is provided with a bus board 50, the bus board 50 is provided with a power-on contact 51 corresponding to the power-on hole 4221, and the power-on contact 51 is connected with one end of the battery 41. Specifically, first louvre 423 evenly distributed is at the edge of support 42, and the steam that battery 41 produced rises to support 42 earlier on, and first louvre 423 is because with the outside air contact, and the outside air is colder, and steam can move to colder that end, trades steam and outside air, realizes radiating effect.

The top plate 20 and the bottom plate 30 are respectively provided with a second heat dissipation hole 22 corresponding to the power-on contact 51. Specifically, after battery 41 and circular telegram contact 51 contact circular telegram, battery 41 both ends all can produce certain heat, and circular telegram contact 51 is the aluminum sheet, also has better thermal diffusivity, and the ability is fine absorbs the heat to from second louvre 22 and outside air to the exchange, the reality heat dissipation.

Each of the bus bars 50 is further provided with a voltage outlet port (not shown) near one end of one of the short side plates 12, and the voltage outlet port (not shown) is located in the slot 121. Specifically, a voltage outlet port (not shown) facilitates electrical connection with an external lead, so as to be electrically connected to the battery module 40.

To sum up, the utility model provides a battery pack 100 fixes battery module 40 in casing 10 through the card, and first protruding 421 and second protruding (not marked in the figure) and bottom plate 30's first recess 21 and second recess 31 are held each other to be held fixedly on cooperation battery module 40, can effectual stability and the security of increase battery pack

The invention is not limited solely to that described in the specification and the embodiments, and additional advantages and modifications will readily occur to those skilled in the art, and it is not intended to be limited to the specific details, representative apparatus, and illustrative examples shown and described herein, without departing from the spirit and scope of the general concept as defined by the appended claims and their equivalents.

Claims

1. The battery pack is characterized by comprising a top plate, a bottom plate, a shell fixedly connected between the top plate and the bottom plate and a battery module, wherein the shell comprises a pair of long side plates arranged at intervals and a pair of short side plates connected with the pair of long side plates and arranged at intervals, the pair of long side plates and the pair of short side plates form a hollow part, the battery module is positioned in the hollow part, the short side plates are provided with grooves communicated with the hollow part, and the battery module is clamped and fixed with the shell through the grooves; the top plate is close to one end of the shell and is provided with a first groove, the bottom plate is close to one end of the shell and is provided with a second groove, one end of the battery module, which is close to the top plate, is provided with a first bulge which corresponds to the first groove and is fixedly clamped by the card, and one end of the battery module, which is close to the bottom plate, is provided with a second bulge which corresponds to the second groove and is fixedly clamped by the card.

2. The battery pack according to claim 1, wherein the battery module comprises a plurality of batteries and a pair of brackets, each bracket is concavely extended to form a plurality of accommodating grooves, each accommodating groove is internally provided with an energizing hole, the batteries are clamped between the brackets, two ends of each battery are correspondingly accommodated in the accommodating grooves one by one and tightly attached to the energizing holes, one end of each bracket, which is close to the short side plate, is provided with a fixing member, and the bracket is clamped and fixed with the housing in the groove through the fixing member; the first projection is located on one of the brackets and the second projection is located on the other of the brackets.

3. The battery pack according to claim 2, wherein a plurality of first heat dissipation holes are uniformly distributed on the edge of each of the brackets, a bus bar is disposed at one end of each bracket near the top plate or the bottom plate, and a current contact corresponding to the current hole is disposed on the bus bar and connected to one end of the battery.

4. The battery pack of claim 3, wherein the top plate and the bottom plate are each provided with a second heat dissipation hole corresponding to the energizing contact.

5. The battery pack of claim 3, wherein each of said bus bars is further provided with a voltage outlet port near one end of one of said short side plates, said voltage outlet port being located in said slot.