CN216529244U - Battery device - Google Patents

Abstract

The application relates to the technical field of batteries and discloses a battery device. The battery device comprises a conductive bar and a fixing component for fixing the conductive bar; the fixing assembly comprises a fixing arm extending along the direction vertical to the bottom plate of the battery device, at least one isolating piece arranged on the fixing arm, and a limiting piece arranged on one side of the isolating piece far away from the fixing arm; the at least one isolating piece and the fixed arm are matched to enclose at least two limiting grooves, and the at least two limiting grooves are arranged along the extending direction of the fixed arm; the conducting bar penetrates through the limiting groove; the locating part is used for spacing one side of deviating from the fixed arm to the conducting bar. The fixing assembly in the battery device can isolate and limit at least two conductive bars arranged up and down, so that the space occupied by the conductive bars can be reduced, meanwhile, the stability of the gap and the relative position between the conductive bars can be kept, and the reliability of limiting and fixing the conductive bars is improved.

Description

Battery device

Technical Field

The utility model relates to the technical field of batteries, in particular to a battery device.

Background

The electric copper bar is used as a transmission carrier of current in the battery pack and connects electric devices in the battery pack together; the electric copper bar is quite important in the design process of the battery pack, the functionality and the safety of the electric copper bar are considered, the arrangement relation of the copper bar in the battery pack is also considered, the overall arrangement of the battery pack needs to be considered comprehensively, and then the installation and fixing mode of the copper bar is confirmed.

In the related technology, the copper bar in the power battery pack is generally fixed in a ribbon form, the reliability of ribbon fixation and positioning is poor, and the situations of inaccurate positioning, no installation or interference of the copper bar with other structural parts are easy to occur; if meet and need walk the line from top to bottom parallel copper bar, the fixed mode of ribbon is more unreliable, and long-time gravity influence and clearance are minimum, the short circuit phenomenon or the thermal runaway condition take place for a long time very probably.

SUMMERY OF THE UTILITY MODEL

The utility model provides a battery device which is used for improving a fixing mode of a conductive bar.

Specifically, the battery device provided by the application comprises a conductive bar and a fixing component for fixing the conductive bar; the fixing assembly comprises a fixing arm extending along the direction perpendicular to the bottom plate of the battery device, at least one isolating piece arranged on the fixing arm, and a limiting piece arranged on one side, far away from the fixing arm, of the isolating piece; the at least one isolating piece and the fixed arm are matched to enclose at least two limiting grooves, and the at least two limiting grooves are arranged along the extending direction of the fixed arm; the conducting bar penetrates through the limiting groove; the limiting piece is used for limiting one side of the conducting bar, which deviates from the fixed arm.

In the battery device, the fixing component is used for fixing the conductive bars, the fixing component and the isolating piece are matched to enclose at least two limiting grooves through the fixing arm, the at least two limiting grooves are arranged along the extending direction of the fixing arm, and the at least two conductive bars which are arranged up and down can be isolated and limited, so that two or more conductive bars which are arranged in parallel can be fixed; like this, can make and lead electrical drainage parallel integrated the arranging, reduce and arrange the shared space of electrical drainage, simultaneously, can keep the stability of clearance and relative position between the electrical drainage, improve spacing and fixed reliability to the electrical drainage, avoid leading to short circuit phenomenon or thermal runaway condition to contact between the electrical drainage.

In addition, the limiting part is arranged on one side, far away from the fixed arm, of the isolating part and used for limiting one side of the opening of the limiting groove, the conductive bar can be prevented from being separated from the limiting groove, and therefore the effect of limiting and fixing the conductive bar is further improved.

Drawings

For a better understanding of the utility model, reference may be made to the embodiments illustrated in the following drawings. The components in the drawings are not necessarily to scale, and some relevant components may be omitted in order to emphasize and clearly illustrate the technical features of the present disclosure. In addition, the relevant elements or components may be arranged differently as is known in the art.

Fig. 1 is a partial structural schematic view of a battery device provided in an embodiment of the present invention at a viewing angle;

fig. 2 is a partial structural schematic view of a battery device provided in an embodiment of the present invention at another viewing angle;

fig. 3 is a schematic structural diagram of a conductive bar fixing assembly according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a conductive bar fixing assembly according to another embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a fixing arm and a spacer of a conductive bar fixing assembly according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a spacer of a conductive bar fixing assembly according to an embodiment of the present invention.

Reference numerals:

1-a conductive bar; 2-a stationary component; 20-a limiting groove;

3-a fixed arm; 30-positioning holes; 31-a slide block; 32-a limit structure;

4-a spacer; 40-a positioning element; 41-a chute;

5-a limiting part; 51-a first engagement structure;

6-body; 61-a boss; 62-reinforcing ribs; 7-beam;

8-bolt; 9-pulling rivet nuts; 10-bottom plate of battery device.

Detailed Description

The technical solutions in the exemplary embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the exemplary embodiments of the present disclosure. The example embodiments described herein are for illustrative purposes only and are not intended to limit the scope of the present disclosure, and it is, therefore, to be understood that various modifications and changes may be made to the example embodiments without departing from the scope of the present disclosure.

In a first aspect, as shown in fig. 1, 2, 3 and 4, the present application provides a battery device including a conductive bar 1, and a fixing member 2 for fixing the conductive bar 1. Specifically, the fixing assembly 2 comprises a fixing arm 3 extending along a direction perpendicular to a bottom plate 10 of the battery device, at least one spacer 4 arranged on the fixing arm 3, and a limiting member 5 arranged on one side of the spacer 4 far away from the fixing arm 3; the at least one isolating piece 4 and the fixing arm 3 are matched to enclose at least two limiting grooves 20, the at least two limiting grooves 20 are arranged along the extending direction of the fixing arm 3, the conductive bar 1 penetrates through the limiting grooves 20, and the limiting grooves 20 can limit the penetrating conductive bar 1; the limiting member 5 is used for limiting one side of the conductive bar 1 departing from the fixing arm 3.

Specifically, as shown in fig. 1 and fig. 2, the battery device may be a battery pack, the battery pack includes a case, and the bottom plate 10 of the battery device refers to a bottom plate of the case of the battery pack; the conductive bar 1 can be a copper bar, and the conductive bar 1 is used as a transmission carrier of current in the battery pack; for example, the conductive bar 1 is used to connect with a battery pack and/or a distribution box to connect between the battery pack and the battery pack or between the battery pack and the distribution box.

Alternatively, the battery device may be a battery module, the battery module has a plurality of battery packs therein, and the conductive bars are used for electrically connecting the battery packs in the battery module with the battery packs.

In the battery device, the fixing component 2 is used for fixing the conductive bars 1, the fixing component 2 is matched with the isolating piece 4 through the fixing arm 3 to enclose at least two limiting grooves 20, the at least two limiting grooves 20 are arranged along the extending direction of the fixing arm 3, and the at least two conductive bars 1 which are arranged up and down can be isolated and limited, so that two or more conductive bars 1 which are arranged in parallel can be fixed; like this, can make electrically conductive row 1 arrange in an integrated way side by side, reduce and arrange the shared space of electrically conductive row 1, simultaneously, can keep the stability of clearance and relative position between the electrically conductive row 1, improve the spacing and fixed reliability of electrically conductive row 1, avoid electrically conductive row 1 between the contact and lead to short circuit phenomenon or the thermal runaway condition.

In addition, the limiting part 5 is arranged on one side of the isolating part 4, which is far away from the fixed arm 3, and is used for limiting the opening side of the limiting groove 20, so that the conductive bar 1 can be prevented from being separated from the limiting groove 20, and the limiting and fixing effects on the conductive bar 1 can be further improved.

In some embodiments, as shown in fig. 1 and 2, the conductive bar 1 is made of a metal plate, generally a copper plate, and has a flat strip shape with two opposite large faces; specifically, the large surface of the conductive bar 1 is parallel to the extending direction of the fixing arm of the fixing component 2, and at this time, the large surfaces on the two sides of the conductive bar 1 are perpendicular to the bottom plate 10 of the battery device, that is, the conductive bar is vertically arranged; this kind of arranging of electrically conductive row 1 is favorable to make full use of battery device in the ascending space of vertical direction, reduces the space that electrically conductive row 1 and fixed subassembly 2 occupy in the horizontal direction, improves the inside space utilization of battery device.

In some embodiments, as shown in fig. 3, 4 and 5, the position of the spacer 4 relative to the fixing arm 3 is adjustable along the extension direction of the fixing arm 3. In this way, the specific position of the separating part 4 on the fixing arm 3 can be adjusted, so that the position of the limiting groove 20 or the width of the limiting groove 20 can be changed, and the conductive bar 1 with different positions and/or different widths can be suitable.

Illustratively, as shown in fig. 4, the fixing arm 3 is provided with a plurality of sets of positioning holes 30, and the plurality of sets of positioning holes 30 are arranged along the extending direction of the fixing arm 3; the spacer 4 is provided with a positioning member 40 that engages with the positioning hole 30. The specific position of the isolating piece 4 on the fixing arm 3 can be adjusted by selecting the clamping of the isolating piece 4 and different groups of positioning holes 30.

Alternatively, for example, as shown in fig. 5 and 6, the fixing arm 3 is provided with a sliding block 31, and the extending direction of the sliding block 31 is consistent with the extending direction of the fixing arm 3; the isolating piece 4 is provided with a sliding groove 41 which is in sliding fit with the sliding block 31; furthermore, the spacer 4 is provided with a locking structure, such as a locking screw 42, for locking and fixing the sliding groove 41 and the sliding block 31. The position of the isolating part 4 on the fixing arm 3 can be changed by sliding the isolating part 4 along the fixing arm 3, and then the isolating part 4 is locked with the fixing arm 3, namely the isolating part 4 can be fixed, so that the position and/or the width of the limiting groove 20 can be adjusted.

Certainly, the matching manner of the isolating part 4 and the fixing arm 3 is not limited to the above-mentioned embodiment, and other embodiments capable of adjusting the specific position of the isolating part 4 on the fixing arm 3 also belong to the technical solutions protected by the present application, and are not described in detail herein.

In some embodiments, as shown in fig. 1, 2, 3 and 4, the limiting member 5 is a limiting plate, and an extending direction of the limiting plate is the same as an extending direction of the fixing arm 3; the limiting plate is close to the one end of battery device's bottom plate 10 and links to each other with fixed arm 3, and the one end that the bottom plate 10 of battery device was kept away from to the limiting plate can be dismantled with fixed arm 3 and be connected.

Illustratively, one end of the limiting member 5, which is far away from the bottom plate 10 of the battery device, is provided with a first engaging structure 51, and the first engaging structure 51 is used for engaging with the fixed arm 3, so as to implement a detachable connection between the limiting member 5 and the fixed arm 3.

Specifically, when the end of the bottom plate 10 of the battery device far away from the limiting part 5 is not clamped with the fixing arm 3, the end of the connecting part 5 with the fixing arm 3 is used as a rotating shaft, the limiting part 5 can rotate around the rotating shaft relative to the fixing arm 3, so that the limiting part 5 and the fixing arm 3 can form a clamp-like effect, the conductive bar 1 is clamped between the two ends of the connecting bar, the end of the bottom plate 10 of the battery device far away from the limiting part 5 is clamped with the fixing arm 3, the conductive bar 1 can be clamped, and the isolating part 4 can isolate two or more conductive bars 1 clamped simultaneously, so as to avoid short circuit.

For example, as shown in fig. 3, both ends of the fixing arm 3 may be provided with a limiting structure 32, and the two limiting structures 32 are respectively used for limiting the lower and upper sides of the upper and lower conductive bars 1; in addition, one end of the limiting member 5 close to the bottom plate of the battery device can be connected with a limiting structure 32A at the lower end of the fixing arm 3; the end of the bottom plate of the limiting member 5, which is far away from the battery device, is connected with the upper end of the fixing arm 3 in a clamping manner, and the limiting structure 32B at the upper end of the fixing arm 3 not only can limit the position of the upper conductive bar 1, but also can avoid the interference between the clamping structure and the upper conductive bar 1.

In some embodiments, as shown in fig. 3 and 4, the fixing assembly 2 further includes a body 6, and an end of the fixing arm 3 away from the bottom plate of the battery device is connected to the body 6, and the body 6 is used for connecting with other structures in the battery device.

For example, the battery device is a battery pack, and as shown in fig. 1, 2 and 4, the body 6 is connected to a beam 7 inside the battery pack case, so that the entire fixing assembly 2 can be mounted on the beam 7 through the body 6; furthermore, the conductor bars 1 can be fixed to the beams 7 of the battery pack by means of the fixing elements 2.

In some embodiments, as shown in fig. 1, 2 and 4, the body 6 is a fixing plate parallel to the bottom plate 10 of the battery device, and the body 6 is provided with a boss 61, and the boss 61 is provided with a mounting hole therein. For example, the mounting holes are threaded holes and the body 6 may be attached to the beam 7 by bolts 8 extending through the threaded holes.

Illustratively, as shown in fig. 1, 2, 3 and 4, the battery device further includes a connecting assembly, the connecting assembly includes a bolt 8 and a rivet nut 9, the rivet nut 9 is disposed on the beam 7, and the bolt 8 is used for penetrating through a bolt hole on the body 6 of the fixing assembly 2 and inserting into the rivet nut 9 to fixedly connect the fixing assembly 2 and the beam 7.

Illustratively, a plurality of fixing assemblies 2 and rivet nuts 9 are arranged along the extending direction of the beam 7, and the appropriate positions of the fixing assemblies 2 and the rivet nuts 9 on the beam 7 can be selected as required to ensure the fixing effect of the conductive bar 1.

Illustratively, as shown in fig. 3 and 4, the body 6 is provided with a rib 62, which can improve the structural strength of the body 6.

Alternatively, the body 6 and the beam 7 may be connected and fixed by a cable tie, so that the whole fixing assembly 2 is fixed on the beam 7.

Illustratively, as shown in fig. 1, 2, 3 and 4, the fixing assembly 2 includes two fixing arms 3, the body 6 is connected between the two fixing arms 3, the two fixing arms 3 are symmetrical with respect to the body 6, and the two fixing arms 3 and the body 6 enclose a 'door' shape.

Further, the fixing component 2 is arranged on the beam 7 in a spanning mode, and the effect of clamping the beam 7 is achieved. At this time, if the fixing member 2 and the beam 7 are in interference fit and directly engaged with each other, the fixing member and the beam can be connected without using a connecting member. Alternatively, the both may be further connected and fixed by a connecting member such as a bolt 8 or a band.

For example, the inner sides of the two fixing arms 3 may be provided with second engaging structures for engaging with the beam 7, so as to achieve an interference fit between the fixing assembly 2 and the beam 7. Specifically, the second engaging structure may be a protrusion; and, can also be equipped with on the roof beam 7 with protruding joint complex recess, realize interference fit between fixed subassembly 2 and the roof beam 7 through the block of arch and recess.

Specifically, the two fixing arms 3 are symmetrical relative to the beam 7, the isolating piece 4 and the limiting piece 5 are both arranged on one side of the fixing arms 3, which is far away from the beam 7, the opening of the limiting groove 20 formed by the isolating block and the fixing arms 3 is far away from the beam 7, and the limiting piece 5 is arranged on one side of the opening of the limiting groove 20; therefore, the conductive bar 1 can be conveniently inserted into the limiting groove 20, and the assembly of the conductive bar 1 and the fixing component 2 is facilitated.

In some embodiments, as shown in fig. 1, 2, 3 and 4, the battery device further includes a conductive bar 1, a part of the conductive bar 1 extends in the same direction as the beam 7, and the conductive bar 1 passes through the limiting groove 20 of each fixing member 2 fixed on the beam 7, so as to be limited and fixed.

Illustratively, the battery device includes at least two conductive bars 1 disposed in parallel, which respectively penetrate through a plurality of limiting grooves 20 disposed in parallel in the fixing member 2, and are thus fixed and separated by the conductive bar fixing member 2.

Illustratively, the large surface of each conductive bar 1 is parallel to the side surface of the beam 7, and the whole conductive bar 1 is close to the beam 7, so that the space can be effectively saved, and the space utilization rate of the battery device can be improved.

In some embodiments, the fixing component 2 is made of an insulating material, and may be a plastic part, so that the short circuit of the conductive bar 1 is avoided, and a certain deformation may be generated, thereby facilitating the elastic engagement connection.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the utility model disclosed herein. This disclosure is intended to cover any variations, uses, or adaptations of the utility model following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and example embodiments be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims. It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (10)

1. The battery device is characterized by comprising a conductive bar and a fixing component for fixing the conductive bar; the fixing assembly comprises a fixing arm extending along the direction perpendicular to the bottom plate of the battery device, at least one isolating piece arranged on the fixing arm, and a limiting piece arranged on one side, far away from the fixing arm, of the isolating piece; the at least one isolating piece and the fixed arm are matched to enclose at least two limiting grooves, and the at least two limiting grooves are arranged along the extending direction of the fixed arm; the conducting bar penetrates through the limiting groove; the limiting piece is used for limiting one side of the conducting bar, which deviates from the fixed arm.

2. The battery device according to claim 1, wherein a position of said spacer with respect to said fixing arm is adjustable in an extending direction of said fixing arm.

3. The battery device according to claim 2, wherein the fixing arm is provided with a plurality of sets of positioning holes, the plurality of sets of positioning holes being arranged along an extending direction of the fixing arm; and the isolating piece is provided with a positioning piece clamped with the positioning hole.

4. The battery device according to claim 2, wherein said fixing arm is provided with a slider, and an extending direction of said slider coincides with an extending direction of said fixing arm; the isolating piece is provided with a sliding groove in sliding fit with the sliding block and a locking structure used for locking and fixing the sliding groove and the sliding block.

5. The battery device according to claim 1, wherein the limiting member is a limiting plate, and an extending direction of the limiting plate is identical to an extending direction of the fixing arm; the end, close to the bottom plate of the battery device, of the limiting plate is connected with the fixed arm, and the end, far away from the bottom plate of the battery device, of the limiting plate is detachably connected with the fixed arm.

6. The battery device of any of claims 1-5, wherein the securing assembly comprises two securing arms and a body coupled between the two securing arms, wherein the two securing arms are symmetrical with respect to the body, and the two securing arms and the body define a "door" shape.

7. The battery device of claim 6, wherein a beam is provided within the battery device; the fixed assembly is arranged on the beam in a spanning mode.

8. The battery device of claim 7, wherein the body is a fixing plate parallel to the bottom plate of the battery device, and the fixing plate is provided with a boss, and the boss is provided with a mounting hole therein.

9. The battery device according to claim 8, further comprising a connecting assembly, wherein the connecting assembly comprises a bolt and a rivet nut, the rivet nut is arranged on the beam, and the bolt is used for penetrating through a mounting hole in the fixing assembly body and inserting into the rivet nut to fixedly connect the fixing assembly with the beam.

10. The battery device of claim 7, wherein the two securing arms are provided with a second engaging structure that engages the beam.

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