CN218300131U - Battery module output pole assembly and battery pack - Google Patents

Abstract

The utility model belongs to the technical field of power battery, a battery module output pole subassembly and battery package are disclosed. This battery module output utmost point subassembly includes output utmost point base and module end plate, be provided with first assembly groove on the module end plate, one in the lateral wall in first assembly groove and the output utmost point base is provided with the elastic clamping subassembly, another is provided with first spout and second spout, first spout and second spout mutually perpendicular and intercommunication, the joint end of elastic clamping subassembly spacing in first spout and with the lateral wall butt of second spout, in order to assemble output utmost point base in the module end plate, this battery module output utmost point subassembly has simplified the installation of output utmost point base and module end plate and the process of dismantling, the efficiency of assembly has been improved.

Description

Battery module output pole assembly and battery pack

Technical Field

The utility model relates to a power battery technical field especially relates to battery module output pole subassembly and battery package.

Background

The battery module is electrically connected to an external load by connecting the bus bar provided at the output electrode to an external conductive member provided at the external load. In order to protect the firm connection of convergent current piece and external conductive piece, can set up unable adjustment base in butt joint department usually, current unable adjustment base passes through a plurality of locating parts such as bolts to be fixed on the battery module end plate, and the installation is loaded down with trivial details with the dismantlement, and the installation is wasted time and energy.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a battery module output utmost point subassembly can simplify the installation of output utmost point base and the step of dismantling, improves the efficiency of dismouting.

To achieve the purpose, the utility model adopts the following technical proposal:

battery module exports utmost point subassembly, including exports utmost point base and module end plate, be provided with first assembly groove on the module end plate, the lateral wall of first assembly groove with one in the exports utmost point base is provided with the elasticity joint subassembly, and another is provided with first spout and second spout, first spout with second spout mutually perpendicular and intercommunication, the joint end of elasticity joint subassembly spacing in the first spout and with the lateral wall butt of second spout, with will the exports utmost point base assemble in the module end plate.

Optionally, all be provided with on the roof of first assembly groove and the diapire and extend along the first direction first spout, all be provided with on the roof of first assembly groove and the diapire and extend along the second direction the second spout, first direction perpendicular to the second direction, the upper and lower both ends of exporter base all are provided with the elasticity joint subassembly, the elasticity joint subassembly is configured to make the exporter base be spacing in the first assembly groove.

Optionally, the depth of the second runner is greater than the depth of the first runner.

Optionally, the elastic clamping component comprises a first elastic arm and a first buckle, one end of the first elastic arm is connected with the output electrode base, the other end of the first elastic arm is connected with the first buckle, the first elastic arm is limited in the first sliding groove, and the first buckle is clamped on the side wall of the second sliding groove.

Optionally, a first avoidance groove is arranged on the output pole base along the first direction, and the first avoidance groove is configured to avoid the first elastic arm when the first elastic arm elastically deforms.

Optionally, battery module output utmost point subassembly still includes converge piece and copper bar, be provided with the second on the lateral wall in the output utmost point base outside and dodge the groove, converge piece one end be used for with the output pole of battery module be connected, the other end with the groove bottom in groove is dodged to the second is connected, the input of copper bar with the converge piece is located the second is dodged the one end in groove and is connected.

Optionally, the bus bar piece includes first fixed part, connecting portion and second fixed part, first fixed part with the output pole of battery module is connected, connecting portion one end with first fixed part is connected, the other end with the second fixed part is connected, the second fixed part set up in the second dodges in the groove and with the input of copper bar is connected.

Optionally, the battery module output pole subassembly includes the fastener, be provided with first mounting hole on the second fixed part, the input of copper bar is provided with the second mounting hole, the tank bottom that the groove was dodged to the second is provided with the screw hole, the fastener is worn to establish in proper order second mounting hole and first mounting hole with screw hole threaded connection.

Optionally, a third avoidance groove is further disposed on the output pole base, and the third avoidance groove is configured to avoid the connecting portion of the bus bar.

Optionally, the battery module output electrode assembly further comprises a protective cover, one of the protective cover and the output electrode base is provided with a clamping hole, and the other is provided with a clamping tongue, and the clamping tongue is clamped in the clamping hole.

Another object of the utility model is to provide a battery package can simplify the installation of battery module output pole base and battery module, improves the efficiency of dismouting.

To achieve the purpose, the utility model adopts the following technical proposal:

the battery pack comprises a battery module and the battery module output pole assembly, wherein the battery module output pole assembly is electrically connected with the battery module.

Has the beneficial effects that:

the utility model provides a battery module exports utmost point subassembly includes exports utmost point base and module end plate, through set up first assembly groove on the module end plate, lateral wall and one in the exports utmost point base in first assembly groove set up the elasticity joint subassembly, another person is provided with first spout and second spout, first spout and second spout mutually perpendicular and intercommunication, the joint end of elasticity joint subassembly spacing in first spout and with the lateral wall butt of second spout, can assemble exports utmost point base on the module end plate, the junction of having guaranteed battery module exports the piece of the utmost point of department and outside electrically conductive piece is more firm, the process of installation and dismantlement has been simplified, the efficiency of assembly has been improved.

The utility model provides a battery package can simplify the installation procedure of battery module output pole base and battery module, improves the dismouting efficiency of battery package.

Drawings

Fig. 1 is an exploded view of a battery module output electrode assembly according to a first embodiment of the present invention;

fig. 2 is an exploded view of a battery module output electrode assembly according to a first embodiment of the present invention;

fig. 3 is an exploded view of a battery module according to a second embodiment of the present invention;

fig. 4 is a schematic structural diagram of a protective cover according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a battery pack according to a third embodiment of the present invention;

fig. 6 is a partially enlarged view of a point a in fig. 5.

In the figure:

100. an output pole base; 110. an elastic clamping component; 111. a first elastic arm; 112. a first buckle; 120. a first avoidance slot; 130. a second avoidance slot; 131. a threaded hole 140, a third avoidance groove; 150. a latch;

200. a module end plate; 210. a first fitting groove; 220. a first chute; 230. a second chute;

300. a confluence sheet; 310. a first fixed part; 320. a connecting portion; 330. a second fixed part; 331. a first mounting hole;

400. copper bars are arranged; 410. a second mounting hole;

500. a protective cover; 510. a clamping hole; 520. copper bar avoiding holes;

600. a battery module side plate;

700. a high voltage box;

800. a housing; 810. fixing the column; 820. and (6) binding the belt.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings, and are only for convenience of description and simplification of operation, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Example one

The embodiment provides a battery module output pole assembly, which is used for providing stable support for a joint of a bus bar 300 and an external conductive copper bar 400 at an output pole of a battery module, as shown in fig. 1, fig. 2 and fig. 3, the battery module output pole assembly comprises an output pole base 100 and a module end plate 200, one end, close to the output pole of the battery module, of the module end plate 200 is provided with a first assembling groove 210, one of a side wall of the first assembling groove 210 and the output pole base 100 is provided with an elastic clamping assembly 110, the other one is provided with a first sliding groove 220 and a second sliding groove 230, the first sliding groove 220 and the second sliding groove 230 are perpendicular to each other and communicated, a clamping end of the elastic clamping assembly 110 is limited in the first sliding groove 220 and abutted against a side wall of the second sliding groove 230, so as to assemble the output pole base 100 to the module end plate 200, the joint of the bus bar 300 and the external conductive copper bar 400 at the output pole of the battery module is ensured to be more stable, the installation and disassembly processes are simplified, and the assembly efficiency is improved.

Specifically, in this embodiment, the top wall and the bottom wall of the first assembly groove 210 are both provided with a first sliding groove 220 extending along the first direction, the top wall and the bottom wall of the first assembly groove 210 are both provided with a second sliding groove 230 extending along the second direction, the first direction is perpendicular to the second direction, the first sliding groove 220 is communicated with the second sliding groove 230, the upper end and the lower end of the output electrode base 100 are both provided with the elastic clamping components 110, each elastic clamping component 110 corresponds to a combination of the first sliding groove 220 and the second sliding groove 230, the output electrode base 100 can be inserted into the first assembly groove 210 along the first direction during assembly, after the output electrode base 100 is assembled with the first assembly groove 210, the clamping end of the elastic clamping component 110 is limited in the first sliding groove 220 and abutted against the side wall of the second sliding groove 230, so as to ensure that the output electrode base 100 is fixed on the module end plate 200.

In other embodiments, the first sliding groove 220 and the second sliding groove 230 may be disposed on the output electrode base 100, the first sliding groove 220 and the second sliding groove 230 are perpendicular to each other and are communicated with each other, the elastic clamping assembly 110 is disposed on the side wall of the first assembling groove 210, the clamping end of the elastic clamping assembly 110 is limited in the first sliding groove 220 and is abutted against the side wall of the second sliding groove 230, and the output electrode base 100 can be assembled on the module end plate 200 in a clamping manner.

Preferably, the depth of the second sliding groove 230 is greater than the depth of the first sliding groove 220 in this embodiment, so as to ensure that the elastic clamping assembly 110 on the output electrode base 100 is clamped with the module end plate 200 more firmly.

Preferably, as shown in fig. 1 and 2, the elastic clamping assembly 110 includes a first elastic arm 111 and a first buckle 112, one end of the first elastic arm 111 is connected to the output electrode base 100, and the other end is connected to the first buckle 112, after the output electrode base 100 and the module end plate 200 are assembled, the first elastic arm 111 is limited in the first sliding slot 220 to limit the movement of the output electrode base 100 relative to the module end plate 200 along the second direction, and the first buckle 112 is clamped on the side wall of the second sliding slot 230 to limit the movement of the output electrode base 100 relative to the module end plate 200 along the first direction.

Specifically, in the present embodiment, the first elastic arm 111 has certain elasticity and toughness, when the first buckle 112 slides along the first sliding slot 220, the first elastic arm 111 is compressed and deformed, and when the first buckle 112 slides to the second sliding slot 230, the first elastic arm 111 returns to the original shape and is clamped in the first sliding slot 220, so that the movement of the output pole base 100 relative to the module end plate 200 is limited in the first direction and the second direction.

Preferably, as shown in fig. 1 and 2, the output pole base 100 is provided with a first avoiding groove 120 along the first direction, when assembling, the first buckle 112 slides along the first sliding groove 220, at this time, the height of the first buckle 112 is higher than the height of the first elastic arm 111, which may cause the first elastic arm 111 to deform towards the direction close to the body of the output pole base 100, and the first avoiding groove 120 may ensure that the first elastic arm 111 has a sufficient deformation space, which ensures that the output pole base 100 is smoothly assembled with the first assembling groove 210.

Preferably, as shown in fig. 3, the battery module output electrode assembly further includes a bus bar 300 and a copper bar 400, the side wall of the output electrode base 100, which is away from the battery module, is provided with a second avoidance groove 130, one end of the bus bar 300 is used for being connected with the output electrode of the battery module, the other end of the bus bar is connected with the bottom of the second avoidance groove 130, and the input end of the copper bar 400 is connected with the end of the bus bar 300, which is located at the second avoidance groove 130, so as to form a conductive path, and output the electric energy of the battery module for an external electric device.

Specifically, the output end and the output end of the copper bar 400 in the embodiment have the same structure, so that installation errors are prevented.

Preferably, as shown in fig. 2 and 3, the bus bar 300 includes a first fixing portion 310, a connecting portion 320 and a second fixing portion 330, the first fixing portion 310 is connected to the output electrode of the battery module, the side plate of the battery module can cover the first fixing portion 310 of the bus bar 300, one end of the connecting portion 320 is connected to the first fixing portion 310, the other end is connected to the second fixing portion 330, and the second fixing portion 330 is disposed in the second avoiding groove 130 and connected to the input end of the copper bar 400.

Preferably, as shown in fig. 3, the battery module output pole assembly further includes a fastener, a first mounting hole 331 is provided on the second fixing portion 330, the input end of the copper bar 400 is provided with a second mounting hole 410, the bottom of the second avoidance groove 130 is provided with a threaded hole 131, the fastener sequentially penetrates through the second mounting hole 410 and the first mounting hole 331 to be in threaded connection with the threaded hole 131, thereby firmly fixing the bus bar and the copper bar 400 on the output pole base 100, specifically, the fastener in this embodiment is a bolt, the bolt is low in cost, the fastening performance is strong, and it can be ensured that the junction of the bus bar 300 and the copper bar 400 is firmly fixed on the output pole base 100.

Preferably, as shown in fig. 3, a third avoiding groove 140 is further formed on the output electrode base 100, and the third avoiding groove 140 is used for avoiding the connecting portion 320 of the bus bar 300, so as to reduce the width of the battery module.

Preferably, as shown in fig. 3 and 4, the battery module output electrode assembly further includes a protective cover 500, one end of the protective cover 500 is provided with a copper bar 400 avoiding hole for the copper bar 400 to pass through, the top wall and the bottom wall of the protective cover 500 are both provided with a clamping hole 510, the top wall and the bottom wall of the output electrode base 100 are both provided with a clamping tongue 150, after the protective cover 500 is assembled with the output electrode base 100, each clamping tongue 150 is correspondingly clamped in one clamping hole 510, so that the protective cover 500 is fixed on the output electrode base 100, and an insulation protection is provided for a connection position of the busbar 300 and the copper bar 400.

In other embodiments, one latch 150 may be disposed on the top wall and the bottom wall of the protective cover 500, and one latch hole 510 may be disposed on the top wall and the bottom wall of the output electrode base 100, respectively, and when the protective cover 500 is assembled on the output electrode base 100, each latch 150 is correspondingly latched on one latch hole 510, so as to provide insulation protection for the joint of the busbar 300 and the copper bar 400.

Example two

This embodiment provides a battery package, including battery module and battery module output utmost point subassembly, the battery module is connected with battery module output utmost point subassembly electricity, as shown in fig. 5 and fig. 6, connect through battery module output utmost point subassembly between a plurality of battery modules and form this battery package, the battery package still includes total positive copper bar, total negative copper bar and high-pressure box 700, total positive copper bar one end is connected with the total positive of battery package, the other end is connected with the positive of high-pressure box 700, total negative copper bar one end is connected with the total negative pole of battery package, the other end is connected with the negative pole of high-pressure box 700.

Specifically, battery package still includes casing 800, fixed column 810 and ribbon 820 in this embodiment, and a plurality of battery module set up in casing 800 after connecting through battery module output pole subassembly, and the interval is provided with a plurality of fixed columns 810 in the casing 800, and ribbon 820 is used for fixing copper bar 400 between the battery module on fixed column 810, improves the stability of copper bar 400, guarantees that the voltage and the electric current of battery package output are more stable.

It is to be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (11)

1. Battery module output utmost point subassembly, its characterized in that, including output utmost point base (100) and module end plate (200), be provided with first assembly groove (210) on module end plate (200), the lateral wall of first assembly groove (210) with one in output utmost point base (100) is provided with elasticity joint subassembly (110), and another is provided with first spout (220) and second spout (230), first spout (220) with second spout (230) mutually perpendicular and intercommunication, the joint end of elasticity joint subassembly (110) be spacing in first spout (220) and with the lateral wall butt of second spout (230), with output utmost point base (100) assemble in module end plate (200).

2. The battery module output pole assembly according to claim 1, wherein the first sliding grooves (220) extending along a first direction are formed in the top wall and the bottom wall of the first assembling groove (210), the second sliding grooves (230) extending along a second direction are formed in the top wall and the bottom wall of the first assembling groove (210), the first direction is perpendicular to the second direction, the upper end and the lower end of the output pole base (100) are provided with elastic clamping assemblies (110), and the elastic clamping assemblies (110) are configured to limit the output pole base (100) in the first assembling groove (210).

3. The battery module output pole assembly according to claim 2, wherein the depth of the second sliding groove (230) is greater than the depth of the first sliding groove (220).

4. The battery module output pole assembly according to claim 2, wherein the elastic clamping assembly (110) comprises a first elastic arm (111) and a first buckle (112), one end of the first elastic arm (111) is connected with the output pole base (100), the other end of the first elastic arm is connected with the first buckle (112), the first elastic arm (111) is limited in the first sliding groove (220), and the first buckle (112) is clamped on the side wall of the second sliding groove (230).

5. The battery module output pole assembly according to claim 4, wherein a first avoidance groove (120) is provided on the output pole base (100) along the first direction, the first avoidance groove (120) being configured to avoid the first elastic arm (111) when the first elastic arm (111) is elastically deformed.

6. The battery module output pole assembly according to claim 1, further comprising a bus bar (300) and a copper bar (400), wherein a second avoiding groove (130) is formed in the side wall of the outer side of the output pole base (100), one end of the bus bar (300) is used for being connected with the output pole of the battery module, the other end of the bus bar is connected with the groove bottom of the second avoiding groove (130), and the input end of the copper bar (400) is connected with the end of the bus bar (300) located in the second avoiding groove (130).

7. The battery module output pole assembly according to claim 6, wherein the bus bar (300) comprises a first fixing portion (310), a connecting portion (320) and a second fixing portion (330), the first fixing portion (310) is connected with the output pole of the battery module, one end of the connecting portion (320) is connected with the first fixing portion (310), the other end is connected with the second fixing portion (330), and the second fixing portion (330) is disposed in the second avoiding groove (130) and connected with the input end of the copper bar (400).

8. The battery module output pole assembly according to claim 7, wherein the battery module output pole assembly comprises a fastener, a first mounting hole (331) is provided on the second fixing portion (330), a second mounting hole (410) is provided at the input end of the copper bar (400), a threaded hole (131) is provided at the bottom of the second avoidance groove (130), and the fastener sequentially penetrates through the second mounting hole (410) and the first mounting hole (331) and is in threaded connection with the threaded hole (131).

9. The battery module output pole assembly according to claim 7, wherein a third avoidance groove (140) is further provided on the output pole base (100), the third avoidance groove (140) being configured to avoid the connection portion (320) of the bus bar sheet (300).

10. The battery module output pole assembly according to any one of claims 1 to 9, further comprising a protective cover (500), wherein one of the protective cover (500) and the output pole base (100) is provided with a snap-in hole (510), and the other is provided with a snap-in tongue (150), and the snap-in tongue (150) is snapped into the snap-in hole (510).

11. A battery pack comprising a battery module and the battery module output electrode assembly according to any one of claims 1 to 10, the battery module output electrode assembly being electrically connected to the battery module.

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