CN220527126U

CN220527126U - Battery pack

Info

Publication number: CN220527126U
Application number: CN202321605070.0U
Authority: CN
Inventors: 陈旭; 于世梦; 张逸伟
Original assignee: Svolt Energy Technology Co Ltd
Current assignee: Svolt Energy Technology Co Ltd
Priority date: 2023-06-21
Filing date: 2023-06-21
Publication date: 2024-02-23
Anticipated expiration: 2033-06-21

Abstract

The utility model discloses a battery pack, which comprises a battery box body and a battery module, wherein the battery module is arranged in the battery box body; the wire harness protection piece is arranged in the battery box body and is provided with a wiring groove, and at least part of the wire harness of the battery pack is suitable for being accommodated in the wiring groove and is routed along the extending direction of the wiring groove. According to the battery pack, the internal wire harness of the battery pack can be fully protected, the problem that the wire harness and peripheral devices are damaged due to touch abrasion is solved, meanwhile, the guiding and limiting effects on part of the wire harness can be achieved, and the problem that the wire harness is disordered in position is solved to a certain extent.

Description

Battery pack

Technical Field

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

Background

In the related art, the power battery pack of the new energy vehicle has a limited internal space and more parts such as electronic and electric appliances in the battery pack, so that the electronic and electric appliance wiring harness in the battery pack is easy to contact with peripheral devices for wearing. At present, a protection mode of a wire harness in a battery pack is generally to wind a cloth-based adhesive tape or a self-winding pipe outside the wire harness so as to achieve the purpose of protecting the wire harness, however, the wire harness can move along with the whole vehicle in the running process of the whole vehicle, the cloth-based adhesive tape or the self-winding pipe is soft, the problem that the wire harness is damaged due to touch abrasion of the wire harness and peripheral devices cannot be thoroughly solved, and the problem that the wire harness is disordered in position due to movement cannot be solved by the mode.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present utility model is to provide a battery pack, which can fully protect an internal wire harness, solve the problem that the wire harness and peripheral devices are damaged due to touch and abrasion, and simultaneously can play a role in guiding and limiting part of the wire harness, and solve the problem of disordered wire harness positions to a certain extent.

According to an embodiment of the present utility model, a battery pack includes: a battery case; the battery module is arranged in the battery box body; the wire harness protection piece is arranged in the battery box body and is provided with a wiring groove, and at least part of the wire harness of the battery pack is suitable for being contained in the wiring groove and is routed along the extending direction of the wiring groove.

According to the battery pack disclosed by the embodiment of the utility model, the wire harness protection piece plays a role in isolating the wire harness from parts in the battery box body, and can prevent the peripheral devices from being in direct contact with the wire harness, so that the problem that the wire harness and the peripheral devices are damaged due to touch and abrasion can be solved. The wiring groove of the wire harness protective piece plays a role in guiding and limiting the wire harness, so that the problem that the position of part of the wire harness inside the battery pack is disordered can be solved.

According to some embodiments of the utility model, the harness guard is a plastic piece; the wire harness protection piece is an engineering plastic piece.

According to some embodiments of the utility model, the harness guard comprises a guard body formed with the wiring groove, the guard body being U-shaped or arc-shaped in cross section.

According to some embodiments of the utility model, the harness guard includes a guard body formed with the wiring groove and a reinforcing bead provided on an outer wall of the guard body; the reinforcing ribs are arranged at intervals along the length direction of the guard body, and extend along the circumferential direction of the guard body.

According to some embodiments of the utility model, the harness guard has a plurality of perforations formed thereon, and the fixing member is adapted to be inserted through the perforations to fix the harness in the wiring groove; the plurality of perforation is divided into a plurality of perforation groups, and a plurality of perforation groups are arranged at intervals along the length direction of the wiring groove, each perforation group comprises two perforation holes arranged at intervals along the width direction of the wiring groove, and the fixing piece is suitable for being arranged in each perforation group in a penetrating way so as to fix the wire harness in the wiring groove.

According to some embodiments of the utility model, the battery module comprises a module housing and a plurality of battery cells arranged in the module housing, an output electrode seat is arranged on the module housing, the output electrode of the battery module is arranged on the output electrode seat, and at least part of the output electrode seat of the battery module is connected with the wire harness protection piece.

According to some embodiments of the utility model, at least a portion of the output pole mount connected to the harness guard is integrally injection molded with the harness guard; the output pole seat comprises a metal framework and an insulating coating layer, wherein the insulating coating layer is a plastic layer, the insulating coating layer and the wire harness protection piece are integrally injection molded, and the insulating coating layer is integrally injection molded on the metal framework.

According to some embodiments of the utility model, a separation beam is arranged in the battery box body so as to separate a plurality of module cavities in the battery box body, the number of the module cavities is the same as that of the battery modules and corresponds to that of the battery modules one by one, the battery modules are arranged in the corresponding module cavities, and the wire harness protection piece is arranged on the top of the separation beam and is clamped with the separation beam.

According to some embodiments of the utility model, a buckle is arranged at the bottom of the wire harness protection piece, a clamping hole is arranged at the top of the separation beam, and the buckle is clamped in the clamping hole.

According to some embodiments of the present utility model, the partition beams include a plurality of first partition beams arranged at intervals along a first direction, the first partition beams extending along a second direction, and second partition beams extending along the first direction and intersecting each of the first partition beams, the harness guard being provided on top of the second partition beams and extending along the first direction; and an avoidance groove is formed at the top of at least one first separation beam, and the output electrode seat of the battery module is accommodated in the avoidance groove.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is an assembled schematic view of a harness guard within a battery pack according to some embodiments of the utility model;

FIG. 2 is a schematic view of the harness guard and a portion of the output pole mount of FIG. 1;

FIG. 3 is a top view of FIG. 2;

fig. 4 is a front view of fig. 2.

Reference numerals:

100. a harness guard;

10. a guard body; 11. reinforcing the convex ribs; 12. wiring grooves; 13. a perforation group; 14. perforating; 15. a buckle;

20. an output electrode base; 21. an insulating coating layer; 22. connecting rib plates;

101. a battery case; 102. a dividing beam; 102a, a first dividing beam; 102b, second separation beams; 103. a module cavity; 104. avoiding the groove.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

A battery pack according to an embodiment of the present utility model is described below with reference to fig. 1 to 4.

Referring to fig. 1 to 4, a battery pack according to an embodiment of the present utility model includes: battery case 101, battery module, and harness guard 100. The battery module is arranged in the battery box 101, the wire harness protection piece 100 is arranged in the battery box 101 and is provided with the wire groove 12, and at least part of the wire harness of the battery pack is suitable for being contained in the wire groove 12 and is routed along the extending direction of the wire groove 12.

The wire harness protection piece 100 is located in the battery box 101, the wire harness is located in the wiring groove 12 of the wire harness protection piece 100, parts around the wire harness protection piece 100 cannot directly contact the wire harness inside the wiring groove 12, the wire harness protection piece 100 can play a role in isolating the wire harness from surrounding parts, and therefore the problem that the wire harness and surrounding parts are damaged due to touch and abrasion can be solved. The internal harness of the wiring groove 12 is routed along the extending direction of the wiring groove 12, so that the harness guard 100 can play a role in guiding and limiting the harness, and thus the problem that the position of part of the harness inside the battery pack is disordered can be solved.

At least part of the wire harness is received in the wire groove 12 and routed along the extending direction of the wire groove 12, for example, part of the wire harness may be received in the wire groove 12 and routed along the extending direction of the wire groove 12, or all of the wire harness may be received in the wire groove 12 and routed along the extending direction of the wire groove 12.

According to the battery pack of the embodiment of the utility model, the wire harness protection piece 100 plays a role in isolating the wire harness from parts in the battery box 101, and can prevent the peripheral devices from being in direct contact with the wire harness, so that the problem that the wire harness and the peripheral devices are damaged due to touch and abrasion can be solved. The wire grooves 12 of the harness guard 100 serve as guides and limits for the harnesses, so that the problem of excessive positions of partial harnesses inside the battery pack can be solved.

Referring to fig. 2-4, according to some embodiments of the present utility model, the wire harness guard 100 is a plastic member, which is light in weight, so that the overall weight of the wire harness guard 100 can be reduced, thereby reducing the weight of the entire battery pack, meeting the design requirements of lightweight of the battery pack to some extent, and reducing the cost. The insulating properties of the plastic part is better, so that the insulation protection requirement of the wire harness protection part 100 on the wire harness can be met, in addition, the hardness of the plastic part is lower, and therefore the wire harness protection part 100 can prevent the wire harness protection part 100 from being damaged due to the fact that the hardness is too high when the wire harness is protected, and other parts contacted with the wire harness protection part are damaged.

Optionally, the harness guard 100 is an engineering plastic. The wire harness protective piece 100 adopting the engineering plastic piece has the advantages of light weight, good insulativity, moderate hardness, higher structural strength and good wear resistance, and can prolong the service life of the wire harness protective piece 100.

Alternatively, the harness guard 100 may employ PA66 engineering plastic.

Referring to fig. 2 and 4, the wire harness guard 100 according to some embodiments of the present utility model includes a guard body 10, the guard body 10 being formed with a wire groove 12, the guard body 10 having a U-shaped or arc-shaped cross section. The U-shaped or arc-shaped structure is simple, and the production and the processing can be convenient. In addition, the U-shaped or arc-shaped wire harness guard 100 has a smoother overall structure of the wire harness inside the wire harness groove 12, and can protect the wire harness inside the wire harness groove 12 to a greater extent.

Referring to fig. 2 to 4, according to some embodiments of the present utility model, the wire harness guard 100 includes a guard body 10 and a reinforcing rib 11, the guard body 10 is formed with a routing groove 12, the reinforcing rib 11 is provided at an outer wall of the guard body 10, the reinforcing rib 11 may improve the overall structural strength of the wire harness guard 100, thereby increasing the service life of the wire harness guard 100, and the reinforcing rib 11 is provided at the outer wall of the guard body 10 without being provided at a portion of the routing groove 12, thereby not affecting routing of a wire harness in the routing groove 12 while improving the overall structure of the wire harness guard 100.

Referring to fig. 2 to 4, the reinforcing ribs 11 are provided in plural at intervals along the length direction of the protector body 10, and the reinforcing ribs 11 extend in the circumferential direction of the protector body 10. The reinforcing ribs 11 are formed by extending along the circumferential direction of the guard body 10, so that the circumferential structural strength of the guard body 10 can be enhanced, the plurality of reinforcing ribs 11 are arranged along the length of the guard body 10, and the structural strength of the guard body 10 in the length direction can be enhanced, thereby improving the overall structural strength of the guard body 10.

The term "plurality" as used herein means two or more.

For example, referring to fig. 2 to 4, the number of reinforcing ribs 11 provided along the protector body 10 is eighteen, so that the structural strength of the protector body 10 can be improved to a greater extent, thereby improving the service life of the harness protector 100.

Referring to fig. 2 and 4, according to some embodiments of the present utility model, a plurality of through holes 14 are formed in the wire harness protection member 100, and a fixing member is adapted to be inserted into the through holes 14 to fix the wire harness in the wire harness groove 12, the wire harness groove 12 plays a role in guiding and limiting the wire harness in the wire harness protection member, the fixing member fixes the wire harness in the wire harness groove 12 through the through holes 14, so as to fix a plurality of parts of the wire harness through the plurality of through holes 14, thereby ensuring the fixing effect of the wire harness and preventing the unstable position of the wire harness due to play.

For example, referring to fig. 2 and 4, the number of the perforations 14 provided along the length direction of the wiring groove 12 is fourteen, so that the multi-position fixing of the wire harness can be realized, the unstable wire harness position caused by too few fixing parts can be prevented, and the fixing effect of the wire harness can be ensured.

Referring to fig. 2 and 4, the plurality of perforations 14 are divided into a plurality of perforation groups 13, the plurality of perforation groups 13 are arranged at intervals along the length direction of the wire slot 12, each perforation group 13 includes two perforations 14 arranged at intervals along the width direction of the wire slot 12, and the fixing member is adapted to penetrate through the two perforations 14 in each perforation group 13 to fix the wire harness in the wire slot 12. The wiring groove 12 and the wiring harness positioned at the position of the perforation group 13 of the wiring groove 12 are fixed through two perforations 14 of the perforation group 13, for example, after the fixing piece is sleeved on the periphery side of the wiring harness, the wiring groove 12 is penetrated from one perforation 14, the wiring harness is penetrated into the wiring groove 12 from the other perforation 14, the wiring harness and the wiring groove 12 are fastened after being bound, the wiring harness at the position of the perforation group 13 can be fixed, and a plurality of perforation groups 13 can fix a plurality of parts of the wiring harness, so that the integral fixing effect of the wiring harness is ensured.

For example, referring to fig. 2 and 4, the number of the perforations 14 provided along the length direction of the wiring groove 12 is fourteen, and the number of the perforation groups 13 is seven, so that the fixation of seven different positions of the wire harness can be realized, the unstable position of the wire harness caused by too few fixation positions can be prevented, and the fixation effect of the wire harness can be ensured.

Alternatively, the fixing member may be optionally provided with a tie to facilitate fixing of the harness.

Referring to fig. 1, 2 and 4, according to some embodiments of the present utility model, a battery module includes a module housing and a plurality of battery cells disposed in the module housing, an output electrode holder is disposed on the module housing, and an output electrode of the battery module is disposed on the output electrode holder, at least a portion of the output electrode holder of the battery module is connected with a harness protection member 100. The output electrode base 20 plays an insulating protection role on the output electrode, and the output electrode of the battery module can be fixed with the module shell through the output electrode base 20 on the module shell. The output electrode base 20 connected with the wire harness protection piece 100 is arranged in the battery box body 101 together with the wire harness protection piece 100, the wire harness protection piece 100 plays a role in positioning the output electrode base 20 connected to the wire harness protection piece 100, so that the output electrode base 20 connected to the wire harness protection piece 100 can play a role in insulating and protecting the output electrode, and meanwhile, the position of the output electrode base 20 is more stable, and the situation that the assembly of the output electrode is influenced due to the unstable position of the output electrode base 20 is avoided.

At least part of the output electrode holders 20 of the battery modules are connected with the harness guard 100, for example, all the output electrode holders 20 of the part of the battery modules may be connected with the harness guard 100, all the output electrode holders 20 of the whole battery modules may be connected with the harness guard 100, part of the output electrode holders 20 of the part of the battery modules may be connected with the harness guard 100, or part of the output electrode holders 20 of the whole battery modules may be connected with the harness guard 100.

Referring to fig. 1, 2 and 4, the output electrode base connected with the wire harness protection piece 100 is connected with the wire harness protection piece 100 through the connecting rib plate 22, the connecting rib plate 22 can improve the connection strength of the wire harness protection piece 100 and the output electrode base 20, the positioning effect of the wire harness protection piece 100 on the output electrode base 20 is ensured, and the situation that the output electrode assembly is influenced due to unstable position of the output electrode base 20 is avoided.

Referring to fig. 2 and 4, according to some embodiments of the present utility model, at least a portion of an output pole mount connected to the harness guard 100 is integrally injection molded with the harness guard 100. The integral injection molding can improve the overall structural strength of the wire harness protection piece 100 and the output electrode base 20 connected with the wire harness protection piece 100, prolong the service life of the wire harness protection piece 100, simultaneously, can also ensure the connection effect of the wire harness protection piece 100 and the output electrode base 20, ensure the fixing effect of the wire harness protection piece 100 on the output electrode base 20, and prevent the output electrode base 20 from influencing the condition of output electrode assembly due to unstable positions. And the molding effect of the integral injection molding piece is better, the number of parts to be assembled is small, and the production efficiency of the wire harness protection piece 100 and the output electrode base 20 connected with the wire harness protection piece can be improved to a certain extent.

At least a part of the output electrode holder 20 connected to the harness guard 100 is integrally injection molded with the harness guard 100, for example, a part of the structure of the output electrode holder 20 may be integrally injection molded with the harness guard 100, or the whole structure of the output electrode holder 20 may be integrally injection molded with the harness guard 100.

Referring to fig. 2 and 4, the output electrode holder includes a metal frame and an insulating coating layer 21, the insulating coating layer 21 is a plastic layer, the insulating coating layer 21 and the wire harness guard 100 are integrally injection molded, and the insulating coating layer 21 is integrally injection molded to the metal frame. The insulating coating layer 21 of the output electrode base 20 plays a role in insulating protection on the output electrode, the insulating coating layer 21 and the wire harness protection piece 100 are integrally injection molded, the integral structural strength is high, the molding effect is better, fewer parts are required to be assembled, and the production efficiency of the wire harness protection piece 100 and the output electrode base 20 can be improved to a certain extent. The metal skeleton can further promote the structural strength of output utmost point seat 20, increases output utmost point seat 20's life.

Referring to fig. 1, according to some embodiments of the present utility model, a partition beam 102 is disposed in a battery case 101 to partition a plurality of module cavities 103 in the battery case 101, the number of module cavities 103 is the same as and corresponds to the number of battery modules one by one, the battery modules are disposed in the corresponding module cavities 103, and a wire harness protection member 100 is disposed on top of the partition beam 102 and is clamped with the partition beam 102. The whole structural strength of the battery box body 101 can be improved through the separation beam 102, so that the service life of the battery box body 101 is prolonged, meanwhile, a plurality of module cavities 103 are separated in the battery box body 101 through the separation beam 102, the battery modules are arranged in the module cavities 103, the module cavities 103 can play a role in limiting and protecting the battery modules in the battery module cavities, the situation that the trolley modules collide with the battery modules due to vibration of the trolley modules in the running process of the vehicle is prevented, and the safety of the battery modules is improved.

The harness guard 100 is disposed on the top of the partition beam 102, so that the space on the top of the partition beam 102 can be fully utilized, thereby improving the space utilization of the internal space of the battery pack. The harness guard 100 is fastened to the partition beam 102 by fastening, so that the harness guard 100 can be easily installed and removed.

For example, referring to fig. 1, the number of the separation beams 102 is three, the three separation beams 102 separate the battery case 101 into four module cavities 103, and four battery modules may be respectively disposed in the four module cavities 103, and the four module cavities 103 respectively play a role in limiting and protecting the battery modules therein, so that the safety of the battery modules may be improved. The wire harness protection member 100 is arranged at the top of one of the separation beams 102 in a clamping manner, so that the space at the upper part of the separation beam 102 can be fully utilized, and the space utilization rate of the internal space of the battery pack is improved.

Referring to fig. 1, according to some embodiments of the present utility model, a clip 15 is provided at the bottom of a harness guard 100, a clip hole is provided at the top of a separation beam 102, and the clip 15 is clipped to the clip hole. The wire harness guard 100 is clamped with the clamping hole at the top of the separation beam 102 through the clamping buckle 15 at the bottom, so that the wire harness guard 100 is fixed, and the wire harness guard 100 can be conveniently installed and detached in the mode.

Referring to fig. 1, according to some embodiments of the present utility model, a partition beam 102 includes a plurality of first partition beams 102a and second partition beams 102b, the first partition beams 102a are arranged at intervals in a first direction, the first partition beams 102a extend in a second direction (refer to e2 direction of fig. 1), the second partition beams 102b extend in the first direction (refer to e1 direction of fig. 1) and intersect each first partition beam 102a, and a harness guard 100 is provided on top of the second partition beams 102b and extends in the first direction; the top of at least one first dividing beam 102a is formed with an avoidance groove 104, and the output electrode seat of the battery module is accommodated in the avoidance groove 104. The first separation beam 102a and the second separation beam 102b can improve the overall structural strength of the battery box 101, and meanwhile, the first separation beam 102a and the second separation beam 102b separate the battery box 101 into a plurality of module cavities 103, and the first separation beam 102a and the second separation beam 102b play a role in limiting and protecting the battery modules in the module cavities 103.

The harness guard 100 is provided on the top of the second partition beam 102b, and can fully utilize the space of the top of the second partition beam 102b, thereby improving the space utilization of the internal space of the battery pack. The groove 104 is dodged to at least one first separating beam 102a top for output pole seat 20 is fixed in dodging the groove 104 department, can make things convenient for output pole seat 20 installation fixed, dodges the weight that groove 104 also can reduce first separating beam 102a to a certain extent, in addition, dodges the effect that groove 104 and pencil guard 100 played the location to output pole seat 20, thereby can avoid influencing the condition emergence of output pole assembly because of output pole seat 20 position is unstable.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A battery pack, comprising:

a battery case; a separation beam is arranged in the battery box body to separate a plurality of module cavities in the battery box body,

the battery modules are arranged in the battery box body, the number of the battery modules is the same as that of the module cavities and corresponds to that of the module cavities one by one, and the battery modules are arranged in the corresponding module cavities;

the wire harness protection piece is arranged in the battery box body and is provided with a wiring groove, at least part of the wire harness of the battery pack is suitable for being contained in the wiring groove and is routed along the extending direction of the wiring groove, and the wire harness protection piece is arranged at the top of the separation beam and is clamped with the separation beam.

2. The battery pack of claim 1, wherein the harness guard is a plastic piece; the wire harness protection piece is an engineering plastic piece.

3. The battery pack according to claim 1, wherein the harness guard includes a guard body formed with the wiring groove, the guard body having a U-shaped or arc-shaped cross section.

4. The battery pack according to claim 1, wherein the harness guard includes a guard body formed with the wiring groove and a reinforcing bead provided at an outer wall of the guard body; the reinforcing ribs are arranged at intervals along the length direction of the guard body, and extend along the circumferential direction of the guard body.

5. The battery pack of claim 1, wherein the harness guard has a plurality of perforations formed therein, and a securing member is adapted to be threaded through the perforations to secure the harness within the wiring channel; the plurality of perforation is divided into a plurality of perforation groups, and a plurality of perforation groups are arranged at intervals along the length direction of the wiring groove, each perforation group comprises two perforation holes arranged at intervals along the width direction of the wiring groove, and the fixing piece is suitable for being arranged in each perforation group in a penetrating way so as to fix the wire harness in the wiring groove.

6. The battery pack according to claim 1, wherein the battery module comprises a module housing and a plurality of battery cells arranged in the module housing, an output electrode base is arranged on the module housing, the output electrode of the battery module is arranged on the output electrode base, and at least part of the output electrode base of the battery module is connected with the wire harness protection piece.

7. The battery pack of claim 6, wherein at least a portion of the output pole mount connected to the harness guard is integrally injection molded with the harness guard; the output pole seat comprises a metal framework and an insulating coating layer, wherein the insulating coating layer is a plastic layer, the insulating coating layer and the wire harness protection piece are integrally injection molded, and the insulating coating layer is integrally injection molded on the metal framework.

8. The battery pack of claim 7, wherein the bottom of the harness guard is provided with a catch, the top of the dividing beam is provided with a catch hole, and the catch is engaged with the catch hole.

9. The battery pack of claim 7, wherein the separation beam includes a first separation beam and a second separation beam, the first separation beam being plural and arranged at intervals along a first direction, the first separation beam extending along a second direction, the second separation beam extending along the first direction and intersecting each of the first separation beams, the harness guard being provided on top of the second separation beam and extending along the first direction; and an avoidance groove is formed at the top of at least one first separation beam, and the output electrode seat of the battery module is accommodated in the avoidance groove.