CN217788691U - Cylinder battery holder module and cylinder battery module - Google Patents

Abstract

The utility model relates to a cylinder battery technology field discloses a cylinder battery holder module. The cylindrical battery bracket module comprises a cross beam and a CCS assembly, wherein the cross beam is welded and fixed in a battery box, a containing cavity is formed in the cross beam, and a battery cell is contained in the containing cavity in an insulating manner; the CCS assembly is buckled on the cross beam and is electrically connected with the battery cell. The cylindrical battery bracket module is simple and reasonable in structure, the cross beam becomes a part of the cylindrical battery bracket module, the space occupied by the cross beam in the battery box is fully utilized, and the space utilization rate is improved.

Description

Cylinder battery holder module and cylinder battery module

Technical Field

The utility model relates to a cylinder battery technology field, concretely relates to cylinder battery holder module and cylinder battery module.

Background

Traditional cylinder battery utilizes end plate, curb plate or steel band to form the battery module after assembling a plurality of electric cores integration usually at the in-process that PACK assembled into the module to assemble in the battery box. In order to strengthen the structural strength of the battery box body, a crossbeam is usually arranged inside the battery box body, the crossbeam divides the inside of the battery box body into a plurality of cavities, and the assembled battery module is accommodated in the cavity. However, the arrangement mode does not utilize the space occupied by the cross beam in the battery box body, so that the position of the cross beam is idle, and the utilization rate of the space is reduced.

Therefore, it is desirable to provide a cylindrical battery holder module and a cylindrical battery module to solve the above problems.

SUMMERY OF THE UTILITY MODEL

According to the utility model discloses an aspect, the utility model aims to provide a cylinder battery holder module can the shared space of make full use of battery box inner beam, has improved space utilization.

In order to achieve the purpose, the utility model discloses a following technical scheme realizes:

a cylindrical battery holder module, comprising:

the battery cell comprises a cross beam, a battery box and a battery core, wherein the cross beam is welded and fixed in the battery box, an accommodating cavity is formed in the cross beam, and the battery cell is accommodated in the accommodating cavity in an insulating manner;

and the CCS assembly is buckled on the cross beam and is electrically connected with the battery cell.

As a preferred scheme of cylinder battery holder module, still include insulating casing, insulating casing cover locate outside the electric core and with electric core fixed connection, insulating casing with electric core homoenergetic holding in hold the intracavity.

As a preferred scheme of the cylindrical battery support module, the CCS assembly comprises a support and a bus bar attached to the surface of the support, the support is buckled on the beam, and the bus bar can be electrically connected with the positive electrode and the negative electrode of the battery cell.

As a preferred scheme of the cylindrical battery support module, one of the insulating shell and the support is provided with a first buckle, the other one of the insulating shell and the support is provided with a first clamping hole, and the first buckle is clamped in the first clamping hole.

As a preferred scheme of cylinder battery support module, still include insulating upper cover, insulating upper cover lid is located the support is kept away from the one side of electricity core.

As a preferred scheme of the cylindrical battery bracket module, one of the insulating upper cover and the bracket is provided with a second buckle, the other one of the insulating upper cover and the bracket is provided with a second clamping hole, and the second buckle is clamped in the second clamping hole.

As a preferred scheme of the cylindrical battery support module, one end of the support is provided with an output electrode protective cover.

As a preferred scheme of the cylindrical battery bracket module, the edges of two sides of the bracket are provided with lugs, and fasteners are sequentially arranged on the lugs and the cross beam in a penetrating manner so as to fix the bracket on the cross beam.

As a preferred scheme of the cylindrical battery support module, the insulating shell is provided with structural adhesive, and the battery core is fixed in the insulating shell through the structural adhesive.

As a preferable scheme of the cylindrical battery bracket module, the number of the accommodating cavities is set to be multiple, and the accommodating cavities are arranged side by side along the length direction of the cross beam;

the number of the insulating shells is set to be a plurality of and corresponds to the number of the accommodating cavities, the insulating shells can be accommodated in the corresponding accommodating cavities, and each insulating shell is internally provided with one battery cell.

According to the utility model discloses an in another aspect, the utility model discloses an aim at still provides a cylinder battery module, has improved the space utilization in the battery box.

In order to achieve the purpose, the utility model discloses a following technical scheme realizes:

the utility model provides a cylinder battery module, includes the battery box, still includes the cylinder battery holder module as above-mentioned any one.

The beneficial effects of the utility model are that:

the novel cylindrical battery bracket module is simple and reasonable in structure, and the cross beam is welded and fixed in the battery box, so that the structural strength of the battery box is enhanced; the cross beam is provided with an accommodating cavity, and the battery cell can be accommodated in the accommodating cavity in an insulating manner; the CCS assembly can be buckled on the cross beam and electrically connected with the battery cell for outputting voltage. This cylinder battery holder module can be installed on the crossbeam of battery box after assembling electric core for the crossbeam becomes a part of this cylinder battery holder module, make full use of the shared space of battery box inner beam, improved space utilization.

The utility model also provides a cylinder battery module, through should above-mentioned cylinder battery holder module, space in can the make full use of battery box has improved the space utilization of battery box.

Drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly and easily, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and the drawings described below are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of a cylindrical battery holder module according to an embodiment of the present invention;

fig. 2 is an exploded view of a cylindrical battery holder module according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an insulating housing according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a part of a bracket provided by an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a partial insulating upper cover according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of an output electrode protection cover according to an embodiment of the present invention.

In the figure:

1. a cross beam; 11. an accommodating chamber; 2. an insulating housing; 21. a first buckle; 3. a CCS component; 31. a support; 311. a first chucking hole; 312. a second buckle; 313. a lug; 314. a third clamping hole; 315. a fourth buckle; 32. a bus bar; 4. an electric core; 5. an insulating upper cover; 51. a second card hole; 6. an output electrode protection cover; 61. a third buckle; 7. and (4) structural adhesive.

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 otherwise explicitly specified or limited, the terms "connected", "connected" and "fixed" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; 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 as a specific case by 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. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning 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 in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, 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.

This embodiment provides a cylinder battery module, including battery box and cylinder battery holder module, cylinder battery holder module is located the battery box, make full use of the space in the battery box, improve space utilization.

Specifically, as shown in fig. 2, the cylindrical battery support module provided in this embodiment includes a cross beam 1 and a CCS assembly 3, the cross beam 1 is welded and fixed in a battery box, a containing cavity 11 is arranged on the cross beam 1, and a battery cell 4 is contained in the containing cavity 11 in an insulating manner; CCS subassembly 3 is detained and is established crossbeam 1 and is connected with electric core 4 electricity. The cross member 1 is fixed to the inside of the battery case by welding in advance in order to reinforce the structural strength of the battery case.

The cylindrical battery support module that this embodiment provided, simple structure is reasonable, and CCS subassembly 3 can detain and locate on crossbeam 1 for encapsulate electric core 4 in holding chamber 11, and CCS subassembly 3 is connected with electric core 4 electricity, is used for output voltage. This cylinder battery holder module can be installed on the crossbeam 1 of battery box after assembling electric core 4 for crossbeam 1 becomes a part of this cylinder battery holder module, make full use of the shared space of crossbeam 1 in the battery box, improved space utilization.

Further, as shown in fig. 2, the cylindrical battery bracket module provided by this embodiment further includes an insulating casing 2, the insulating casing 2 is sleeved outside the battery cell 4 and is fixedly connected to the battery cell 4, and the insulating casing 2 and the battery cell 4 can be accommodated in the accommodating cavity 11. Outside electric core 4 was located to insulating casing 2 covers, played the effect of supplementary fixed electric core 4, still played insulating effect simultaneously, avoided taking place the short circuit phenomenon in the cylinder battery module and influenced its normal operating. Of course, in other embodiments, the insulation effect may also be achieved by coating a layer of insulating material on the outer surface of the battery cell 4.

Referring to fig. 3, it should be noted that the insulating casing 2 is a hollow cylindrical structure, and the inner diameter of the insulating casing is slightly larger than the outer diameter of the battery cell 4, so that the battery cell 4 can be accommodated in the insulating casing 2. Two opposite sides of the insulating shell 2 are provided with notches, so that the weight of the insulating shell 2 is reduced, and the lightweight design is realized. In order to ensure the structural strength of the insulating housing 2, the notches on both sides are not communicated. In addition, the cross-sectional shape of the accommodating chamber 11 is circular, and the inner diameter thereof is slightly larger than the outer diameter of the insulating housing 2, so that the insulating housing 2 can be accommodated in the accommodating chamber 11. The height of the insulating shell 2 is slightly larger than that of the accommodating cavity 11, the height of the battery core 4 is slightly larger than that of the insulating shell 2, and after assembly, one end of the battery core 4 can be exposed out of the accommodating cavity 11 to be in full contact with the CCS assembly 3 for realizing electrical connection.

Further, as shown in fig. 2, the number of the accommodating chambers 11 is set to be plural, and the plural accommodating chambers 11 are arranged side by side along the length direction of the cross beam 1; the quantity of insulating casing 2 sets up to a plurality ofly and corresponds with the quantity that holds chamber 11, and a plurality of insulating casing 2 homoenergetic holds in the chamber 11 that holds that corresponds, electric core 4 of equal holding in every insulating casing 2, like this can once only assemble a plurality of electric cores 4, further improved space utilization. The specific number of the accommodating cavities 11 and the insulating housings 2 is not limited herein, and can be adaptively selected according to actual requirements.

In assembly, the CCS assembly 3, the plurality of insulating housings 2 and the plurality of battery cells 4 are assembled into a battery module, and then the battery module is placed in the accommodating cavity 11. Can place a battery module on same crossbeam 1, also can place a plurality of battery modules, can select according to the actual demand.

Preferably, the side surfaces of two adjacent insulating housings 2 are connected to form an integrally formed structure, and correspondingly, the plurality of accommodating cavities 11 are communicated with each other to facilitate the placement of the insulating housings 2. Through adopting this kind of setting, can reduce the link of equipment between each insulating casing 2 when the assembly, saved manufacturing cost, structural more firmly durable, convenient and fast more during the installation has just reduced the use of connecting piece to insulating casing 2's whole weight has been alleviateed.

Further, as shown in fig. 2, a structural adhesive 7 is disposed on the insulating casing 2, and the battery cell 4 is fixed in the insulating casing 2 through the structural adhesive 7. The operation mode of the structural adhesive 7 is simple, the connection is firm, the stress distribution is uniform, and the insulating shell 2 and the battery cell 4 are not damaged. Preferably, for convenience in operation, the structural adhesive 7 is coated on the outer wall of the insulating housing 2, and is partially coated on the position of the notch of the insulating housing 2, and the battery cell 4 is exposed from the notch, so as to realize adhesion fixation between the battery cell 4 and the insulating housing 2.

Further, as shown in fig. 2, the CCS assembly 3 includes a support 31 and a bus bar 32 attached to the surface of the support 31, the support 31 is buckled on the beam 1, and the bus bar 32 is electrically connected to the positive electrode and the negative electrode of the battery cells 4 respectively, so as to electrically connect the plurality of cylindrical battery cells 4, thereby outputting voltage. In this embodiment, the number of the bus bars 32 is two, two bus bars 32 are respectively attached to two opposite sides of the bracket 31, and the two bus bars 32 are respectively electrically connected to the positive electrode and the negative electrode of the battery cell 4. Of course, in other embodiments, only one bus bar 32 may be provided, and one bus bar 32 is electrically connected to the positive electrode and the negative electrode of the battery cell 4. In the present embodiment, the output of the voltage is realized by connecting the collector line to the bus bar 32. Of course, in other embodiments, the CCS assembly 3 further includes an FPC board, which is connected to the bus bar 32 to output the voltage, either way.

In particular, with continued reference to fig. 2, the bracket 31 has a "U" shape, the width of which is adapted to the width of the beam 1, so that the bracket 31 can be fastened to the beam 1. After the bracket 31 is fastened on the cross beam 1, the lower end surface of the bracket 31 is attached to the upper end surface of the battery cell 4, and the bracket 31 is provided with corresponding avoiding holes, so that the positive electrode and the negative electrode of the battery cell 4 are exposed. The two busbars 32 are approximately L-shaped structures, and are respectively disposed on two sides of the bracket 31, and are attached to the surface of the bracket 31. The two busbars 32 are respectively attached to the positive electrode and the negative electrode of the battery cell 4 to realize electrical connection. By adopting the arrangement, the CCS assembly 3 has a compact overall structure and saves space.

Preferably, as shown in fig. 4, a plurality of fourth buckles 315 are respectively disposed at bottom ends of two sides of the bracket 31, and the plurality of fourth buckles 315 are disposed at intervals along a length direction of the bracket 31. The side of a plurality of fourth buckles 315 all can with the bottom butt of busbar 32 to the realization is to the supporting role of busbar 32, guarantees the stability of structure.

Further, as shown in fig. 3 and 4, the insulating housing 2 and the holder 31 are snap-connected. Specifically, one of the insulating housing 2 and the bracket 31 is provided with a first buckle 21, the other is provided with a first clamping hole 311, and the first buckle 21 is clamped in the first clamping hole 311. Through the mode that adopts the joint, can realize the stable connection between insulating casing 2 and the support 31, and easy dismounting has avoided the use of connecting piece, saves the cost. Of course, in other embodiments, the insulating housing 2 and the bracket 31 may be connected by riveting or fastening. Alternatively, the insulating housing 2 may be engaged with the accommodating cavity 11.

Preferably, as shown in fig. 3, the number of the first fasteners 21 is set to be plural, the number of the first fastener holes 311 is also set to be plural, the plural first fasteners 21 and the plural first fastener holes 311 are arranged in a one-to-one correspondence, and the plural first fasteners 21 can all extend into the corresponding first fastener holes 311. By adopting this arrangement, the stability of the connection between the insulating housing 2 and the bracket 31 can be further improved. The specific number of the first fasteners 21 and the first fastener holes 311 is not specifically limited herein, and may be adaptively selected according to actual requirements.

Further, as shown in fig. 4, both side edges of the bracket 31 are provided with lugs 313, and fasteners are sequentially inserted through the lugs 313 and the beam 1 to fix the bracket 31 on the beam 1. Optionally, the fastener is bolt or screw, and then has improved joint strength and connection stability between support 31 and the crossbeam 1, has promoted the overall structure intensity of cylinder battery module, has prolonged the life of cylinder battery module.

Preferably, with continued reference to fig. 4, the number of the lugs 313 on each side of the bracket 31 is provided in plurality, and a plurality of the lugs 313 are arranged at intervals along the length direction of the bracket 31, and correspondingly, a plurality of fasteners are also provided, one for each lug 313. By adopting this arrangement, the strength of connection between the bracket 31 and the cross member 1 is further improved. The specific number of the lugs 313 and the fasteners is not limited herein, and may be adaptively selected according to actual requirements.

Further, as shown in fig. 2, the cylindrical battery rack module provided in this embodiment further includes an insulating upper cover 5, and the insulating upper cover 5 is disposed on one side of the rack 31 away from the battery core 4. Illustratively, the insulating upper cover 5 is a mica board or a PC plastic board. Insulating upper cover 5 not only can play insulating effect, avoids the cylinder battery module to take place the short circuit, also can protect CCS subassembly 3, has prolonged the life of cylinder battery module, has promoted the operational reliability of cylinder battery module.

Further, as shown in fig. 4 and 5, the insulating upper cover 5 and the bracket 31 are connected in a snap-fit manner. Specifically, one of the insulating upper cover 5 and the bracket 31 is provided with a second buckle 312, and the other is provided with a second clamping hole 51, and the second buckle 312 is clamped in the second clamping hole 51. By adopting the mode, the stable connection between the insulating upper cover 5 and the bracket 31 can be realized, the dismounting is convenient, the use of connecting pieces is avoided, and the cost is saved. Of course, in other embodiments, the insulating upper cover 5 and the bracket 31 may be connected by riveting or fastening.

Preferably, the number of the second fasteners 312 is set to be a plurality, the number of the second fastener holes 51 is also set to be a plurality, the plurality of second fasteners 312 and the plurality of second fastener holes 51 are arranged in a one-to-one correspondence manner, and the plurality of second fasteners 312 can extend into the corresponding second fastener holes 51. By adopting this arrangement, the stability of the connection between the insulating housing 2 and the bracket 31 can be further improved. The specific number of the second fasteners 312 and the second fastener holes 51 is not specifically limited herein, and can be adaptively selected according to actual requirements.

Further, as shown in fig. 2, an output electrode protection cover 6 is provided at one end of the bracket 31 to protect the battery output electrode. Specifically, one end of the bracket 31 is provided with a groove, and after the output electrode protection cover 6 is arranged in the groove, the upper surface of the output electrode protection cover is approximately flush with the upper surface of the bracket 31, so that the whole structure is more compact, and the space is saved.

Preferably, as shown in fig. 4 and 6, the output electrode protection cover 6 and the support 31 are snap-connected. Specifically, one of the output electrode protection cover 6 and the bracket 31 is provided with a third latch 61, and the other is provided with a third latch hole 314, and the third latch 61 is latched in the third latch hole 314. By adopting the mode, the stable connection between the output electrode protective cover 6 and the support 31 can be realized, the disassembly and the assembly are convenient, the use of a connecting piece is avoided, and the cost is saved. Of course, in other embodiments, riveting or fastening can be used to connect the output electrode protection cover 6 and the bracket 31.

Further preferably, the number of the third fasteners 61 is set to be plural, the number of the third fastening holes 314 is also set to be plural, the plurality of third fasteners 61 and the plurality of third fastening holes 314 are arranged in a one-to-one correspondence, and the plurality of third fasteners 61 can all extend into the corresponding third fastening holes 314. By adopting this arrangement, the stability of the connection between the output electrode protective cover 6 and the bracket 31 can be further improved. The specific number of the third fasteners 61 and the third fastener holes 314 is not specifically limited herein, and may be adaptively selected according to actual requirements.

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. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. 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. The utility model provides a cylinder battery holder module which characterized in that includes:

the battery box comprises a cross beam (1) which is welded and fixed in the battery box, wherein a containing cavity (11) is formed in the cross beam (1), and a battery cell (4) is contained in the containing cavity (11) in an insulating mode;

and the CCS assembly (3) is buckled on the cross beam (1) and is electrically connected with the battery cell (4).

2. The cylindrical battery holder module according to claim 1, further comprising an insulating housing (2), wherein the insulating housing (2) is sleeved outside the battery core (4) and is fixedly connected with the battery core (4), and both the insulating housing (2) and the battery core (4) can be accommodated in the accommodating cavity (11).

3. The cylindrical battery support module according to claim 2, wherein the CCS assembly (3) comprises a support (31) and a bus bar (32) attached to the surface of the support (31), the support (31) is buckled on the cross beam (1), and the bus bar (32) can be electrically connected with the positive electrode and the negative electrode of the battery cell (4).

4. The cylindrical battery holder module according to claim 3, wherein one of the insulating housing (2) and the holder (31) is provided with a first snap (21), and the other one is provided with a first snap hole (311), and the first snap (21) is snapped in the first snap hole (311).

5. The cylindrical battery support module according to claim 3, further comprising an insulating upper cover (5), wherein the insulating upper cover (5) is disposed on a side of the support (31) away from the battery core (4).

6. The cylindrical battery holder module according to claim 5, wherein one of the insulating upper cover (5) and the holder (31) is provided with a second snap (312), and the other one is provided with a second snap hole (51), and the second snap (312) is snapped in the second snap hole (51).

7. The cylindrical battery holder module according to claim 3, wherein one end of the holder (31) is provided with an output electrode protection cap (6).

8. The cylindrical battery support module as claimed in claim 3, wherein both side edges of the support (31) are provided with lugs (313), and fasteners are sequentially arranged through the lugs (313) and the cross beam (1) to fix the support (31) on the cross beam (1).

9. The cylindrical battery holder module according to claim 2, wherein a structural adhesive (7) is disposed on the insulating housing (2), and the battery core (4) is fixed in the insulating housing (2) through the structural adhesive (7).

10. The cylindrical battery support module according to claim 2, wherein the number of the accommodating cavities (11) is set to be plural, and the accommodating cavities (11) are arranged side by side along the length direction of the cross beam (1);

the number of the insulating shells (2) is set to be multiple and corresponds to the number of the accommodating cavities (11), the insulating shells (2) can be accommodated in the corresponding accommodating cavities (11), and one battery cell (4) is arranged in each insulating shell (2).

11. A cylindrical battery module comprising a battery box, characterized by further comprising the cylindrical battery holder module according to any one of claims 1 to 10.

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