CN218525684U - Fixing structure and assembly structure of cylindrical power battery module - Google Patents
Fixing structure and assembly structure of cylindrical power battery module Download PDFInfo
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- CN218525684U CN218525684U CN202222314624.3U CN202222314624U CN218525684U CN 218525684 U CN218525684 U CN 218525684U CN 202222314624 U CN202222314624 U CN 202222314624U CN 218525684 U CN218525684 U CN 218525684U
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- power battery
- battery module
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- fixing
- cylindrical
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model discloses a fixed knot of cylindrical power battery module constructs and assembly structure, fixed knot constructs including fixed bolster group and location frock, and the one end of cylindrical power battery module is established to fixed bolster group cover, and the location frock is arranged in cylindrical power battery module periphery and can be dismantled, and fixed bolster group includes a plurality of fixed bolsters, adopts mortise-tenon joint structural connection between the fixed bolster, is equipped with the through-hole on the fixed bolster, and the through-hole cooperates with single cylinder electricity core in the cylindrical power battery module; the assembly structure comprises a box body and a heat conduction structure adhesive layer, wherein the heat conduction structure adhesive layer is arranged at the bottom of the inner side of the box body and is connected with the bottom of the cylindrical power battery module provided with the fixing structure; the utility model discloses the fixed bolster of module bottom has been saved to reach the effect that falls originally and lifting efficiency, the installation of tenon fourth of the twelve earthly branches structure is simple quick simultaneously, and stability is high, thereby solves current fixed knot structure with high costs and the not high problem of positioning efficiency.
Description
Technical Field
The utility model relates to an electrochemistry energy storage dress field, in particular to fixed knot of cylindrical power battery module constructs and assembly structure.
Background
Under the common recognition of low-carbon economy and carbon neutralization, strategic plans for supporting the development of new energy automobiles and new energy power generation and energy storage are provided in main countries all over the world, and the power battery industry is developed at a high speed.
The cylindrical power battery with the full lugs is gradually popularized and applied due to the large cross section area of the lugs, small internal resistance of the battery, good charge-discharge rate performance and small temperature rise in the using process.
The existing cylindrical power battery mainly has two types of structures, one is that two ends of a shell are led out of a pole post, and two ends of the shell and a cover plate are sealed by laser welding; one is that one end of the shell leads out the pole column, and uses laser welding to seal with the cover plate, the other end is a shell sealing structure, the corresponding battery core conductive terminal and the bottom of the shell use resistance welding, ultrasonic torque welding or uses laser to penetrate through the shell from the outside and weld and connect.
The structure of utmost point post is derived at casing both ends, and when module or PACK assembled, utmost point post occupation space, battery package system volume energy density is low. The utmost point post is derived to casing one end, the other end is sealed and is connected the cylinder battery that forms casing conducting structure with battery core conductive terminal, can derive the one end of utmost point post from the casing and derive positive pole, negative pole, and usable module, PACK assembly can promote system volume energy density. However, casing one end seal structure, the mode that adopts during module or PACK is that both ends are all fixed with the support about the electric core, and the cost is great and efficiency is not high.
Therefore, it is necessary to develop a fixing mode for fixing the bottom end of the cylindrical battery shell and the box body, and an efficient and low-cost mode for fixing the sealed end of the battery cell shell and the box body is achieved on the premise that the positive electrode and the negative electrode are led out at the same end.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fixed knot of cylindrical power battery module constructs and assembly structure, has solved current casing one end seal structure, and the mode that adopts during module or PACK is all fixed with the support for both ends about electric core, the great and not efficient problem of cost.
The utility model is realized in such a way that the fixing structure of the cylindrical power battery module comprises a fixing support group and a positioning tool, the fixing support group is sleeved at one end of the cylindrical power battery module, the positioning tool is arranged at the periphery of the cylindrical power battery module and can be disassembled,
the fixing support group comprises a plurality of fixing supports, the fixing supports are connected through tenon-and-mortise structures, through holes are formed in the fixing supports, and the through holes are matched with single cylindrical battery cores in the cylindrical power battery module.
The fixed bolster group can select the fixed bolster of suitable quantity to carry out the connection of tenon fourth of the twelve earthly branches structure according to the size of cylindrical power battery module, fixes a position the upper end of cylindrical power battery module, fixes a position the middle part of cylindrical power battery module through the location frock to solve current fixed knot structure with high costs and the not high problem of positioning efficiency.
The utility model discloses a further technical scheme is: the positioning tool is of a plate-shaped structure with a hole, and the hole in the positioning tool is matched with the periphery of the cylindrical power battery module.
The shape of hole and the periphery shape cooperation of cylindrical power battery module guarantee to carry out fine location to cylindrical power battery module.
The utility model discloses a further technical scheme is: one end of the positioning tool can be opened and closed, and the openable end of the positioning tool is communicated with the hole in the positioning tool.
The one end that the location frock can open and shut is when cylindrical power battery module fixes a position, and the manual location frock that pulls open, with cylindrical power battery module card in the downthehole of location frock, unclamp the hand, location frock self-closing under the effect of hinged end fixes a position cylindrical power battery module.
The utility model discloses a further technical scheme is: and an elastic layer is arranged on the inner wall of the hole in the positioning tool.
Avoid the damage of avoiding simultaneously to the location frock to the surperficial support damage of cylindrical power battery module.
The utility model discloses a further technical scheme is: the cylindrical power battery module comprises a plurality of cylindrical battery cores, wherein the cylindrical battery cores are arranged in a rectangular mode.
The utility model discloses in be equipped with 8 cylinder electricity cores, one row two are totally four rows.
The utility model provides a utmost point post derivation end of cylinder electricity core is fixed with the fixed bolster, organizes the module according to the requirement of connecting in series-parallel again, during the equipment module, connects through tenon fourth of the twelve earthly branches structure between the fixed bolster, accomplishes the location and fixes, and the rethread welding accomplishes the series-parallel connection between the utmost point post, forms the cylindrical power battery module that meets the requirements.
The utility model discloses a further technical scheme is: and an elastic layer is arranged on the inner side of the through hole on the fixing support.
Avoid simultaneously avoiding the damage to the fixed bolster to the surperficial support damage of cylindrical power battery module.
The utility model discloses a further technical scheme is: the tenon fourth of twelve earthly branches structure include the tenon and with the mortise that the tenon matches is connected through the tenon in the tenon fourth of twelve earthly branches structure and the mortise cooperation on another fixed bolster between the adjacent fixed bolster.
One side of each fixing support is provided with a convex tenon, and the other side of each fixing support is provided with a concave mortise, so that connection through a mortise and tenon structure between every two adjacent fixing supports can be well realized.
The utility model also provides an assembly structure of cylindrical power battery module, assembly structure includes box and heat conduction structure glue film, the heat conduction structure glue film is arranged in the box inboard bottom, just the heat conduction structure glue film with be equipped with fixed knot constructs the cylindrical power battery module bottom and connects.
A layer of heat-conducting structural adhesive is adhered to the contact surface of the water-cooling plate and the cylindrical power battery module or the bottom of the inner side of the box body and the heat-conducting structural adhesive are adhered to the contact surface of the water-cooling plate and the cylindrical power battery module.
The utility model discloses a further technical scheme is: and the cylindrical power battery module is bonded with the heat-conducting structure adhesive layer.
The utility model has the advantages that: the utility model discloses well fixed bolster group can select the fixed bolster of suitable quantity to carry out the connection of tenon fourth of twelve earthly branches structure according to the size of cylindrical power battery module, fixes a position the upper end of cylindrical power battery module, fixes a position the middle part of cylindrical power battery module through the location frock, and fixed bolster in module bottom has been saved to fixed knot constructs, thereby reaches the effect that falls this and promote efficiency, and the installation of tenon fourth of twelve earthly branches structure is simple quick simultaneously, and stability is high, thereby solves the problem that current fixed knot constructs with high costs and location efficiency is not high;
the fixed equipment module of electricity core utmost point post derivation end with fixed bolster group, the other end is fixed a position with the location frock when PACK, then glues with heat conduction structure and water-cooling board or box contact is fixed, takes out the frock after accomplishing, can improve the shell bottom and the box fixed mode of cylindrical power battery module.
Drawings
Fig. 1 is a schematic structural view illustrating a connection between a cylindrical battery cell and a fixing bracket provided by the present invention;
FIG. 2 is a schematic structural view of the mortise-tenon structural connection between the fixing brackets provided by the utility model;
fig. 3 is a schematic structural view illustrating a connection between the cylindrical power battery module and the fixing bracket according to the present invention;
fig. 4 is a schematic structural view of a cylindrical power battery module with a fixing structure provided by the present invention;
fig. 5 is a schematic view of an assembly structure of a cylindrical power battery module provided by the present invention;
fig. 6 is an enlarged view of the position a provided by the present invention.
Reference numerals: 1. the device comprises a fixed support group, 2. A positioning tool, 3. A box body, 4. A heat conducting structural adhesive layer, 5. A cylindrical power battery module, 6. A tenon and 7. A mortise.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.
It should be noted that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the efficacy and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
The first embodiment is as follows:
fig. 1-4 and fig. 6 show a fixing structure of a cylindrical power battery module, the fixing structure comprises a fixing support set 1 and a positioning tool 2, the fixing support set 1 is sleeved on one end of the cylindrical power battery module, the positioning tool 2 is arranged on the periphery of the cylindrical power battery module and can be detached,
the fixing support group 1 comprises a plurality of fixing supports, the fixing supports are connected through tenon-and-mortise structures, through holes are formed in the fixing supports, and the through holes are matched with single cylindrical battery cores in the cylindrical power battery modules.
The fixed bolster group can select the fixed bolster of suitable quantity to carry out the connection of tenon fourth of the twelve earthly branches structure according to the size of cylindrical power battery module, fixes a position the upper end of cylindrical power battery module, fixes a position the middle part of cylindrical power battery module through the location frock to solve current fixed knot structure with high costs and the not high problem of positioning efficiency.
In this embodiment, the positioning tool 2 is a plate-shaped structure provided with a hole, and the hole in the positioning tool 2 is matched with the periphery of the cylindrical power battery module.
The shape of hole and the periphery shape cooperation of cylindrical power battery module guarantee to carry out fine location to cylindrical power battery module.
In this embodiment, 2 one end of location frock can open and shut, the end that can open and shut of location frock 2 with the hole intercommunication on the location frock 2.
The one end that the location frock can open and shut is when cylindrical power battery module fixes a position, and the manual location frock that pulls open, with cylindrical power battery module card in the downthehole of location frock, unclamp the hand, location frock self-closing under the effect of hinged end fixes a position cylindrical power battery module.
In this embodiment, the inner wall of the hole on the positioning tool 2 is provided with an elastic layer.
Avoid the damage to the surperficial support damage of cylindrical power battery module simultaneously to avoid the damage to the location frock.
In this embodiment, cylindrical power battery module includes a plurality of cylinder electricity core, be the rectangle arrangement between the cylinder electricity core.
In this embodiment, the utility model discloses in be equipped with 8 cylinder electricity cores, one row two totally four rows.
In this embodiment, the utility model provides a utmost point post derivation end of cylinder electricity core is fixed with the fixed bolster, organizes the module according to the cluster parallel requirement again, during the equipment module, connects through tenon fourth of the twelve earthly branches structure between the fixed bolster, accomplishes the location and fixes, and the cluster parallel connection between the utmost point post is accomplished in rethread welding, forms the cylindrical power battery module that meets the requirements.
In this embodiment, an elastic layer is disposed inside the through hole on the fixing bracket.
Avoid simultaneously avoiding the damage to the fixed bolster to the surperficial support damage of cylindrical power battery module.
The mortise and tenon joint structure comprises tenons 6 and mortises 7 matched with the tenons 6, and the adjacent fixing supports are connected with the mortises 7 on the other fixing support in a matched mode through the tenons 6 in the mortise and tenon joint structure.
One side of each fixing support is provided with a convex tenon 6, the other side of each fixing support is provided with a concave mortise 7, and connection through a tenon-and-mortise structure, which can be fine, between adjacent fixing supports, is ensured.
The second embodiment:
fig. 5 shows an assembly structure of a cylindrical power battery module, the assembly structure includes a box 3 and a heat-conducting structure glue layer 4, the heat-conducting structure glue layer 4 is arranged at the bottom of the inner side of the box 3, and the heat-conducting structure glue layer 4 is connected with the bottom of the cylindrical power battery module 5 provided with the fixing structure in the first embodiment.
A layer of heat-conducting structural adhesive is adhered to the contact surface of the water-cooling plate and the cylindrical power battery module or the bottom of the inner side of the box body and the heat-conducting structural adhesive are adhered to the contact surface of the water-cooling plate and the cylindrical power battery module.
In this embodiment, the cylindrical power battery module 5 is bonded to the thermal conductive structural adhesive layer 4.
The utility model discloses a theory of operation: as shown in fig. 1-3, the cylindrical battery cell is positioned and fixed at the pole leading-out end by using a fixing support, then a module is assembled according to the series-parallel connection requirement, and the positioning and fixing are completed by using a tenon-and-mortise structure between the fixing supports during the module assembly, as shown in fig. 2; and then, completing series-parallel connection between the pole columns by welding to complete series-connection, and completing the manufacture of the cylindrical power battery module with the fixed structure, as shown in fig. 3. Before the cylindrical power battery module with fixed knot constructs is gone into the case, paste the one deck heat conduction structure and glue on bottom half or water-cooling board and module contact surface, the module is fixed and fix a position with the location frock when going into the case, as shown in fig. 4, the module upper end is leaned on fixed bolster group fixed, and electricity core bottom in the module bonds with the heat conduction structure who pastes in advance, and the module bottom need not additionally to use the fixed bolster, accomplishes the assembly, as shown in fig. 5, it can to take out the location frock.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.
Claims (9)
1. The utility model provides a fixed knot of cylindrical power battery module constructs which characterized in that: the fixing structure comprises a fixing support group (1) and a positioning tool (2), the fixing support group (1) is sleeved at one end of the cylindrical power battery module, the positioning tool (2) is arranged on the periphery of the cylindrical power battery module and can be detached,
the fixing support set (1) comprises a plurality of fixing supports, the fixing supports are connected through a tenon-and-mortise structure, through holes are formed in the fixing supports, and the through holes are matched with single cylindrical battery cores in the cylindrical power battery module.
2. The fixing structure of the cylindrical power battery module as claimed in claim 1, wherein the positioning tool (2) is a plate-shaped structure provided with a hole, and the hole in the positioning tool (2) is matched with the periphery of the cylindrical power battery module.
3. The fixing structure of the cylindrical power battery module as claimed in claim 2, wherein one end of the positioning tool (2) can be opened and closed, and the openable end of the positioning tool (2) is communicated with the hole in the positioning tool (2).
4. The fixing structure of the cylindrical power battery module as claimed in claim 2, wherein an elastic layer is arranged on the inner wall of the hole in the positioning tool (2).
5. The fixing structure of the cylindrical power battery module as claimed in any one of claims 1 to 4, wherein the cylindrical power battery module comprises a plurality of cylindrical battery cells, and the cylindrical battery cells are arranged in a rectangular shape.
6. The fixing structure of the cylindrical power battery module as claimed in any one of claims 1 to 4, wherein an elastic layer is provided inside the through hole on the fixing bracket.
7. The fixing structure of the cylindrical power battery module as claimed in any one of claims 1 to 4, wherein the mortise and tenon structure comprises a tenon (6) and a mortise (7) matched with the tenon (6), and adjacent fixing supports are connected with the mortise (7) on another fixing support in a matched manner through the tenon (6) in the mortise and tenon structure.
8. An assembly structure of a cylindrical power battery module, characterized in that, the assembly structure comprises a box body (3) and a heat-conducting structural adhesive layer (4), the heat-conducting structural adhesive layer (4) is arranged at the bottom of the inner side of the box body (3), and the heat-conducting structural adhesive layer (4) is connected with the bottom of the cylindrical power battery module (5) provided with the fixing structure of any one of claims 1 to 7.
9. The assembly structure of a cylindrical power battery module according to claim 8, characterized in that the cylindrical power battery module (5) is bonded with the heat-conducting structural adhesive layer (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222314624.3U CN218525684U (en) | 2022-08-31 | 2022-08-31 | Fixing structure and assembly structure of cylindrical power battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222314624.3U CN218525684U (en) | 2022-08-31 | 2022-08-31 | Fixing structure and assembly structure of cylindrical power battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218525684U true CN218525684U (en) | 2023-02-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222314624.3U Active CN218525684U (en) | 2022-08-31 | 2022-08-31 | Fixing structure and assembly structure of cylindrical power battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218525684U (en) |
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- 2022-08-31 CN CN202222314624.3U patent/CN218525684U/en active Active
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Effective date of registration: 20230426 Granted publication date: 20230224 |
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