CN209786005U - Cylindrical combination formula PACK battery module structure - Google Patents
Cylindrical combination formula PACK battery module structure Download PDFInfo
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- CN209786005U CN209786005U CN201920399513.2U CN201920399513U CN209786005U CN 209786005 U CN209786005 U CN 209786005U CN 201920399513 U CN201920399513 U CN 201920399513U CN 209786005 U CN209786005 U CN 209786005U
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- box body
- cylindrical
- battery module
- heat exchange
- module structure
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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
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Abstract
The utility model discloses a cylindrical combined PACK battery module structure, which comprises a cylindrical box body, an external heat exchange system and a base; the cylindrical box body comprises an upper box body and a lower box body which are both in a semi-closed structure; the inner parts of the upper box body and the lower box body respectively comprise a battery module and a semi-cylindrical fixed bracket or a cylindrical fixed bracket for fixing the battery module; the external heat exchange system comprises an upper half part spirally wound on the periphery of the upper box body and a lower half part spirally wound on the periphery of the lower box body; the ends of the upper half part external heat exchange system and the lower half part external heat exchange system are connected by flanges and can be respectively detached along with the upper box body or the lower box body; the base is arranged at the lower part of the lower box body. The utility model discloses can follow structural lightweight target that realizes, improve PACK stress concentration and atress condition, the heat exchange effect is obvious, can control high low temperature effectively, simple to operate can improve packaging efficiency, and has still saved cost and man-hour, has increased structural stability, shock resistance and waterproof nature.
Description
Technical Field
The embodiment of the utility model provides a relate to battery technical field, especially, relate to a cylindrical combination formula PACK battery module structure.
Background
with the more and more obvious division trend of production, the deep development and differentiation of the battery industry are driven. Under the background, the power battery PACK industry is gradually started and rapidly developed. The PACK battery module is a power supply device which is provided with a plurality of electric cores, battery protection plates, battery auxiliary materials, battery connecting pieces, battery box shells and other components which are connected together and have independent power supply capacity. The mainstream PACK battery mainly comprises a battery module, a structural system, an electrical system, a thermal management system, a BMS and the like.
At present, the integration efficiency, the temperature adaptability and the service life of the PACK battery module system still need to be greatly improved. The method for improving the integration efficiency of the system comprises the steps of optimizing the internal structural design of the PACK, greatly reducing the number of components in the PACK, and integrating more components and functions on a module and a box body, so that the weight is reduced; the other is that lightweight materials are adopted, such as aluminum profiles or composite materials are adopted to replace high-strength steel, plastic parts are adopted to replace metal parts, and the like, so that the weight can be reduced; the method for increasing the wide temperature adaptability comprises the steps of optimizing the structure of the battery module and increasing a heat exchange device; the service life of the battery is greatly related to electronic, electrical and mechanical components, and the service life is improved in aspects of cell grouping technology, system thermal management and energy management, Pack after-sales maintenance and the like.
SUMMERY OF THE UTILITY MODEL
the utility model provides a cylindrical combination formula PACK battery module structure to solve the not enough of prior art.
In order to achieve the above object, the present invention provides the following technical solutions:
A cylindrical combined PACK battery module structure comprises a cylindrical box body, an external heat exchange system and a base; wherein the content of the first and second substances,
the cylindrical box body comprises an upper box body and a lower box body which are mutually combined and installed, wherein the upper box body and the lower box body are both of semi-closed structures and are combined together to form a closed box body structure;
The inner parts of the upper box body and the lower box body respectively comprise a battery module and a semi-cylindrical fixed bracket or a cylindrical fixed bracket for fixing the battery module;
the external heat exchange system comprises an upper half part spirally wound on the periphery of the upper box body and a lower half part spirally wound on the periphery of the lower box body; the ends of the outer heat exchange system of the upper half part and the outer heat exchange system of the lower half part are connected by flanges and can be respectively detached along with the upper box body or the lower box body;
The base is arranged at the lower part of the lower box body.
furthermore, in the cylindrical combined cylindrical PACK battery module structure, a flange sealing structure is adopted when the upper box body and the lower box body are combined and installed;
the flange sealing structure comprises a flange and a connecting piece used for connecting the flange, and the upper box body and the lower box body are connected and fixed through the flange by the connecting piece.
Furthermore, in the cylindrical combined cylindrical PACK battery module structure, a sealing element is fixed on the combined surface of the upper box body and the lower box body.
Further, in the cylindrical combined cylindrical PACK battery module structure, the sealing element is a sealing strip, a sealing gasket or a sealing ring.
further, in the cylindrical combined cylindrical PACK battery module structure, the battery module with be provided with the arc buffer layer between the semi-cylindrical fixed bolster.
further, in the cylindrical combination formula PACK battery module structure of combination formula, the arc buffer layer is made by EVA or expanded material.
Furthermore, in the cylindrical combined cylindrical PACK battery module structure, the battery module comprises a plurality of single batteries connected in series or in parallel;
the single battery comprises a shell and a battery core arranged in the shell;
The shell and the battery cell are both cylindrical.
Further, in the cylindrical combined cylindrical PACK battery module structure, an interface of the external heat exchange system is arranged at the bottom of the lower box body.
further, in the cylindrical combined cylindrical PACK battery module structure, the base is a saddle-type support which is stressed uniformly and stably.
Furthermore, in the cylindrical combined cylindrical PACK battery module structure, two or more saddle-type supports are arranged at the lower part of the lower box body at intervals.
The embodiment of the utility model provides a pair of cylindrical combination formula PACK battery module structure can follow structural lightweight target that realizes, improves PACK stress concentration and atress condition, and the heat exchange effect is obvious, can control high low temperature effectively, and simple to operate can improve the packaging efficiency, and has still saved cost and man-hour, has increased structural stability, shock resistance and waterproof nature.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic front structural view of a cylindrical combined PACK battery module structure according to an embodiment of the present invention;
Fig. 2 is a schematic side view of a cylindrical combined PACK battery module structure provided by an embodiment of the present invention.
Reference numerals:
A cylindrical case 10, an external heat exchange system 20, a base 30, a flange sealing structure 40;
an upper box body 11 and a lower box body 12.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention are clearly and completely described with reference to the drawings in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
in the description of the present invention, it is to be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.
Furthermore, the terms "long", "short", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of describing the present invention, but do not indicate or imply that the device or element referred to must have the specific orientation, operate in the specific orientation configuration, and thus, should not be construed as limiting the present invention.
the technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Example one
Referring to fig. 1-2, an embodiment of the present invention provides a cylindrical combined PACK battery module structure, which includes a cylindrical case 10, an external heat exchange system 20, and a base 30; wherein the content of the first and second substances,
the cylindrical box body 10 comprises an upper box body 11 and a lower box body 12 which are mutually combined and installed, wherein the upper box body 11 and the lower box body 12 are both of semi-closed structures and are combined together to form a closed box body structure;
the upper box body 11 and the lower box body 12 both comprise a battery module and a semi-cylindrical fixing bracket or a cylindrical fixing bracket for fixing the battery module;
The external heat exchange system 20 includes an upper half spirally wound around the outer periphery of the upper case 11 and a lower half spirally wound around the outer periphery of the lower case 12; the ends of the upper half part of the outer heat exchange system 20 and the lower half part of the outer heat exchange system 20 are connected by flanges and can be detached with the upper box body 11 or the lower box body 12 respectively;
the base 30 is disposed at a lower portion of the lower case 12.
Wherein, a flange sealing structure 40 is adopted when the upper box body 11 and the lower box body 12 are assembled and installed; the flange sealing structure 40 includes a flange and a connecting member for connecting the flange, and the upper case 11 and the lower case 12 are connected and fixed by the connecting member through the flange.
Preferably, a sealing member is fixed to a combined surface of the upper case 11 and the lower case 12. Specifically, the sealing element can be a sealing strip, a sealing gasket or a sealing ring.
In order to protect the battery from being damaged, an arc-shaped buffer layer is arranged between the battery module and the semi-cylindrical fixing bracket. Specifically, the arc buffer layer is made of EVA or a foam material.
In this embodiment, the battery module includes a plurality of single batteries connected in series or in parallel; the single battery comprises a shell and a battery core arranged in the shell; the shell and the battery cell are both cylindrical.
Preferably, the interface of the external heat exchange system 20 is provided at the bottom of the lower case 12.
The base 30 has two or more (two bases are taken as an example in fig. 2), and is a saddle-type support with uniform and stable stress, and the two or more saddle-type supports are arranged at intervals at the lower part of the lower box body 12.
The embodiment of the utility model provides a pair of cylindrical combination formula PACK battery module structure can follow structural lightweight target that realizes, improves PACK stress concentration and atress condition, and the heat exchange effect is obvious, can control high low temperature effectively, and simple to operate can improve the packaging efficiency, and has still saved cost and man-hour, has increased structural stability, shock resistance and waterproof nature.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. a cylindrical combined PACK battery module structure is characterized by comprising a cylindrical box body, an external heat exchange system and a base; wherein the content of the first and second substances,
The cylindrical box body comprises an upper box body and a lower box body which are mutually combined and installed, wherein the upper box body and the lower box body are both of semi-closed structures and are combined together to form a closed box body structure;
The inner parts of the upper box body and the lower box body respectively comprise a battery module and a semi-cylindrical fixed bracket or a cylindrical fixed bracket for fixing the battery module;
The external heat exchange system comprises an upper half part spirally wound on the periphery of the upper box body and a lower half part spirally wound on the periphery of the lower box body; the ends of the outer heat exchange system of the upper half part and the outer heat exchange system of the lower half part are connected by flanges and can be respectively detached along with the upper box body or the lower box body;
the base is arranged at the lower part of the lower box body.
2. The cylindrical combined PACK battery module structure of claim 1, wherein a flange sealing structure is adopted when the upper box body and the lower box body are assembled and installed;
the flange sealing structure comprises a flange and a connecting piece used for connecting the flange, and the upper box body and the lower box body are connected and fixed through the flange by the connecting piece.
3. The cylindrical combined PACK battery module structure as claimed in claim 1, wherein a sealing member is fixed at the combined surface of the upper case and the lower case.
4. the cylindrical combined PACK battery module structure according to claim 3, wherein the sealing member is a sealing strip or a sealing gasket or a sealing ring.
5. The cylindrical combined PACK battery module structure according to claim 1, wherein an arc-shaped buffer layer is arranged between the battery module and the semi-cylindrical fixed bracket.
6. The cylindrical combined PACK battery module structure of claim 5, wherein the arc buffer layer is made of EVA or foam material.
7. The cylindrical combined PACK battery module structure according to claim 1, wherein the battery module comprises a plurality of single batteries connected in series or in parallel;
The single battery comprises a shell and a battery core arranged in the shell;
the shell and the battery cell are both cylindrical.
8. The cylindrical combined PACK battery module structure according to claim 1, wherein the interface of the external heat exchange system is provided at the bottom of the lower case.
9. The cylindrical combined PACK battery module structure as claimed in claim 1, wherein the base is a saddle-shaped support which is uniformly and stably stressed.
10. The cylindrical combined PACK battery module structure according to claim 9, wherein the saddle-shaped support is two or more, and two or more saddle-shaped supports are provided at intervals at the lower portion of the lower case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920399513.2U CN209786005U (en) | 2019-03-27 | 2019-03-27 | Cylindrical combination formula PACK battery module structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920399513.2U CN209786005U (en) | 2019-03-27 | 2019-03-27 | Cylindrical combination formula PACK battery module structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209786005U true CN209786005U (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920399513.2U Active CN209786005U (en) | 2019-03-27 | 2019-03-27 | Cylindrical combination formula PACK battery module structure |
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| CN (1) | CN209786005U (en) |
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2019
- 2019-03-27 CN CN201920399513.2U patent/CN209786005U/en active Active
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