CN215896564U

CN215896564U - Module support and battery package of cylinder battery

Info

Publication number: CN215896564U
Application number: CN202121889220.6U
Authority: CN
Inventors: 陈涛; 王继陪; 熊栋
Original assignee: Ningbo Xintai Machinery Co Ltd
Current assignee: Minth Automotive Technology Research and Development Co Ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2022-02-22
Anticipated expiration: 2031-08-12

Abstract

The utility model belongs to the technical field of battery box products, and provides a cylindrical battery module support and a battery pack, which comprise a body, wherein battery cell fixing grooves which are arranged in a staggered mode and used for fixing cylindrical battery cells are arranged in the body, convex clamping grooves and concave clamping grooves are formed in two side edges of the body, the cylindrical battery module support can be spliced into a large-size module support by splicing and combining the convex clamping grooves and the concave clamping grooves, each cylindrical battery cell is installed in the battery cell fixing grooves to form an integral battery pack group, and the whole battery pack group is fixed on a water cooling plate through a module fixing hole. The accessory quantity of this patent still less, can better must realize the lightweight of battery module, realizes subtracting heavy this that falls, effectively must promote the inside space utilization of battery box.

Description

Module support and battery package of cylinder battery

Technical Field

The utility model belongs to the technical field of battery packs, and relates to a module support of a cylindrical battery and a battery pack.

Background

With the rise and popularization of new energy automobiles, how to better realize high energy density and low cost of a power system is a weight scheme for solving the problems of high cost and short endurance mileage of the new energy automobiles. Because the chemical system of the battery cell reaches the bottleneck of the chemical system, the improvement of the system energy density by simply improving the energy density of the single battery cell becomes more and more difficult, and at present, the technical direction in the industry is mainly realized by optimizing the PACK structure. Along with more and more CTP schemes are popularized, how to be under the reliable prerequisite of assurance system installation, simplify battery module structure, reduce PACK manufacturing cost, current traditional cylinder electricity core installation scheme is earlier with electric core constitution battery module, install the battery module on the battery case again, wholly fall into tertiary relation equipment, because will form the battery module earlier, required accessory is more, the assembly cost is high, present a scheme is directly to adhere to the battery case with electric core, the glue of adoption needs to possess heat conduction and adhesion properties requirement simultaneously, though middle battery module step has been saved to such a mode, manufacturing cost has been reduced, but because the adhesion properties that the structure is glued leads to the dismantlement of electric core to become unusual difficulty, the maintenance that leads to the battery package and the secondary utilization of disassembling of inside electric core become unusual difficulty.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem and provides a cylindrical battery module bracket, a battery pack and an installation method, which are simple and reliable in formula, few in parts, high in automation degree and capable of effectively reducing the assembly cost, aiming at the current situation of the prior art.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a module support of cylinder battery, its characterized in that, including the body, this internal electric core fixed slot that is provided with staggered arrangement and is used for fixed cylinder electricity core, wherein all have protruding type draw-in groove and concave type draw-in groove on the wherein both sides of body, through splicing the module support of combination and can splice into the large size module support of polylith cylinder battery with protruding type draw-in groove and concave type draw-in groove.

In the above-mentioned module support for cylindrical batteries, the concave card slot includes the stepped portion and the recessed portion that are against on both sides, and an upper bayonet portion is formed by the step portion between two, and the width of the upper bayonet portion is greater than the width of the recessed portion, the convex card slot includes a protruding head portion and a card matching face portion on both sides, and the protruding head portion matches with the recessed portion, and the card matching face portion presses against the step portion.

In the above module support for the cylindrical battery, the other two sides of the body are provided with module fixing holes, and the module fixing holes are used for connecting and fixing the body.

In the above-mentioned module support of cylinder battery, the electric core fixed slot on have a conduction groove, the conduction groove on have spacing flange, have the limited groove of gluing on spacing flange.

The utility model provides a battery package of module support that contains cylinder battery, a serial communication port, including a plurality of bodies, a plurality of cylinder electricity core and water-cooling board, a plurality of bodies form large-size module support through splicing protruding type draw-in groove and concave type draw-in groove, every cylinder electricity core is installed and is constituteed holistic battery package group in electric core fixed slot to utilize the module fixed orifices to organize whole battery package and fix on the water-cooling board.

In the battery pack including the module holder with cylindrical batteries, the inner side of the water-cooling plate is provided with a water-cooling channel.

In the foretell battery package that contains module support of cylinder battery, conduction groove and water-cooling plate between have the heat conduction glue, the heat conduction glue can be connected cylinder electricity core and water-cooling plate and realize the heat transfer between cylinder electricity core and the water-cooling plate.

In the above-mentioned battery pack that contains the module support of cylinder battery, limit to glue and have the structure between groove and the electricity core and glue. The bonding thickness of the structural adhesive is used for ensuring reliable bonding between the cylindrical battery cell and the body.

A method for mounting a battery pack of a module support comprising cylindrical batteries, the battery pack of the module support comprising cylindrical batteries, is characterized by comprising the following steps:

splicing module supports of a plurality of cylindrical batteries to form a large-size module support;

fixing the large-size module bracket to the water cooling plate by using a fastener;

respectively coating heat-conducting glue and structural glue into the conduction groove and the glue limiting groove;

step four, installing the cylindrical battery cell into the battery cell fixing groove, pressing the cylindrical battery cell through a tool to enable the heat-conducting glue and the structural glue to be uniformly diffused, and clamping and fixing the cylindrical battery cell and the tool until the heat-conducting glue and the structural glue are effectively cured;

and step five, after the heat-conducting glue and the structural glue are cured, connecting and fixing the conducting circuit and other parts on the upper part of the battery cell, and finishing the subsequent assembly process.

Compared with the prior art, the utility model has the advantages that:

1. the battery cell monomer is bonded to the module bracket of the patent by using a structural adhesive bonding technology to realize the fixation of the battery cell, and compared with the traditional battery module, the number of accessories of the patent is less, the light weight of the battery module can be better realized, and the weight reduction and cost reduction are realized;

2. the side face of the module support provided by the patent is provided with a connecting clamping groove structure, several module supports are spliced and combined to form a module support with a larger size, and one battery pack only needs to be assembled by a plurality of large-size module supports, so that compared with the traditional scheme of 10 standard modules, the scheme of the patent has fewer modules, the assembling rhythm can be greatly improved, and the space utilization rate in the battery box can be effectively improved;

3. the module bracket designed by the patent can realize the direct assembly of the battery pack into the battery box, save the process of forming the battery module from the battery core, and better realize the automatic production of the battery pack;

4. the module support mounting means of this patent design can realize the dismantlement of battery module, accomplishes the reutilization of reprocessing and electric core of battery package.

Drawings

Fig. 1 illustrates a schematic view of a module holder for cylindrical batteries;

fig. 2 illustrates a cross-sectional view of a module holder of the cylindrical battery of fig. 1;

fig. 3 illustrates a large-sized module support structure diagram formed by splicing module support structures based on the cylindrical battery of fig. 1;

fig. 4 is a schematic diagram of the large-sized module bracket of fig. 3 after fixing a cylindrical battery cell;

FIG. 5 illustrates a cross-sectional view of the embodiment of FIG. 4;

fig. 6 illustrates an actual installation sequence diagram of the arrangement of fig. 4.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments. It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "central," "lateral," "longitudinal," "front," "rear," "left," "right," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the utility model and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting to the scope of the present invention.

In the drawing, a module holder 100 for a cylindrical battery; a body 101; a cell fixing groove 102; a module fixing hole 103; a male card slot 200; a boss portion 201; a card-fitting face portion 202; a female card slot 300; against the step 301; a groove portion 302; a cylindrical cell 400; a large-sized module holder 500; a conduction groove 600; a limiting flange 601; a glue limiting groove 602; a water-cooling plate 700; a water-cooling channel 701; a thermally conductive adhesive 800; structural adhesive 900.

As shown in fig. 1 and fig. 3, the module holder 100 for cylindrical batteries comprises a body 101, wherein cell fixing grooves 102 are arranged in the body 101 in a staggered manner and used for fixing cylindrical cells 400, wherein the body 101 has male card slots 200 and female card slots 300 on both sides thereof, the module holder 100 for cylindrical batteries can be spliced into a module holder 500 by splicing and combining the male card slots 200 and the female card slots 300, specifically, for convenience of connection, the female card slot 300 comprises a step-shaped abutting step portion 301 and a groove portion 302 on both sides, the abutting step portion 301 between the two forms an upper bayonet portion, the width of the upper bayonet portion is larger than that of the groove portion 302, the male card slot 200 comprises a protruding portion 201 and a snap surface portion 202 on both sides, the protruding portion 201 matches with the groove portion 302, the snap surface portion 202 presses against the step portion 301, here utilize the top to lean on step portion 301 to support, utilize protruding nose portion 201 card to advance recessed portion 302 simultaneously to quick the connecting, through several module support concatenation combinations like this, form a large-size module support 500, a battery package only need several large-size module support equipment can, than the scheme of traditional 10 several standard modules, the scheme module quantity of this patent is still less, promotion equipment beat that can be very big, effectively must promote the space utilization of battery box inside.

As shown in fig. 2, in order to fix the whole module bracket to the water-cooling plate 700, the module fixing holes 103 are formed in the other two sides of the body 101, the module fixing holes 103 are used for connecting and fixing the body 101, the cell fixing groove 102 is provided with a conduction groove 600, the conduction groove 600 is provided with a limiting flange 601, and the limiting flange 601 is provided with a limiting rubber groove 602, so that the installation of the cylindrical cell 400 and the module bracket is facilitated.

As shown in fig. 4 and fig. 5, the battery pack of the present patent, which includes a module holder 100 for cylindrical batteries, includes a plurality of bodies 101, a plurality of cylindrical battery cells 400, and a water-cooling plate 700, wherein the plurality of bodies 101 are assembled by splicing and combining a convex slot 200 and a concave slot 300 to form a large-sized module holder 500, each cylindrical battery cell 400 is mounted in a cell fixing slot 102 to form an integrated battery pack group, and the entire battery pack group is fixed on the water-cooling plate 700 by using a module fixing hole 103, the inside of the water-cooling plate 700 has a water-cooling channel 701, where heat generated by the entire battery pack can be cooled by the water-cooling channel 701, a heat-conducting glue 800 is provided between the conduction channel 600 and the water-cooling plate 700, the heat-conducting glue 800 can connect the cylindrical battery cell 400 and the water-cooling plate 700 and realize heat transfer between the cylindrical battery cell 400 and the water-cooling plate 700, a structural glue 900 is provided between the glue 602 and the battery cell, and a bonding thickness of the structural glue 900 is provided, to ensure reliable adhesion between the cylindrical cell 400 and the body 101.

As shown in fig. 6, a method for mounting a battery pack of a module holder 100 including cylindrical batteries mainly includes the following steps: step one, splicing a plurality of module supports 100 of cylindrical batteries to form a large-size module support 500; step two, fixing the large-sized module bracket 500 to the water cooling plate 700 by using a fastener; step three, respectively smearing the heat-conducting glue 800 and the structural glue 900 into the conduction groove 600 and the glue limiting groove 602; step four, installing the cylindrical battery cell 400 into the battery cell fixing groove 102, pressing the cylindrical battery cell 400 through a tool to enable the heat-conducting glue 800 and the structural glue 900 to be uniformly diffused, and clamping and fixing the cylindrical battery cell 400 through the tool until the heat-conducting glue 800 and the structural glue 900 are effectively cured; step five, after the heat-conducting glue 800 and the structural glue 900 are cured, the upper part of the battery core is fixedly connected with the conducting circuit and other parts, and a subsequent assembly process is completed, the battery core monomer is adhered to the module bracket of the patent by using the structural glue 900 adhesion technology to realize the fixation of the battery core, compared with the traditional battery module, the number of accessories of the patent is less, the light weight of the battery module can be better realized, the weight reduction and cost reduction are realized, the direct assembly of the battery pack into the battery box can be realized, the process of forming the battery module from the battery core is omitted, and the automatic production of the battery pack is better realized; the disassembly of the battery module can be realized, and the repair of the battery pack and the secondary utilization of the battery core are completed.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications, additions and substitutions for the described embodiments may be made by those skilled in the art without departing from the scope and spirit of the utility model as defined by the accompanying claims.

Claims

1. The utility model provides a module support of cylinder battery, its characterized in that, including the body, this internal electric core fixed slot that is provided with staggered arrangement and is used for fixed cylinder electricity core, wherein all have protruding type draw-in groove and concave type draw-in groove on the wherein both sides of body, through splicing the module support of combination and can splice into the large size module support of polylith cylinder battery with protruding type draw-in groove and concave type draw-in groove.

2. The cylindrical battery module holder as claimed in claim 1, wherein the concave slot comprises a step-shaped abutting step portion and a groove portion at two sides, an upper bayonet portion is formed by the two abutting step portions, the width of the upper bayonet portion is greater than that of the groove portion, the convex slot comprises a protruding portion and a clamping surface portion at two sides, the protruding portion is matched with the groove portion, and the clamping surface portion presses against the abutting step portion.

3. The cylindrical battery module holder as claimed in claim 2, wherein the other two sides of the body are formed with module fixing holes for connecting and fixing the body.

4. The module holder of cylindrical batteries according to claim 3, wherein the cell fixing groove is provided with a conduction groove, the conduction groove is provided with a limit rib, and the limit rib is provided with a glue limiting groove.

5. A battery pack containing the module support of cylindrical batteries according to claim 4, which comprises a plurality of bodies, a plurality of cylindrical cells and a water cooling plate, wherein the plurality of bodies are assembled by splicing and combining the convex clamping grooves and the concave clamping grooves to form a large-size module support, each cylindrical cell is installed in a cell fixing groove to form a whole battery pack group, and the whole battery pack group is fixed on the water cooling plate by using the module fixing holes.

6. The battery pack of the cylindrical battery module holder as claimed in claim 5, wherein the water-cooling plate has a water-cooling channel on an inner side thereof.

7. The battery pack of the cylindrical battery module support according to claim 6, wherein a heat conducting glue is arranged between the conduction groove and the water cooling plate, and the heat conducting glue can connect the cylindrical battery core and the water cooling plate and realize heat transfer between the cylindrical battery core and the water cooling plate.

8. The battery pack of the cylindrical battery module support according to claim 7, wherein a structural adhesive is arranged between the adhesive limiting groove and the battery core.