CN111755635A - Cylindrical combination formula PACK battery module structure - Google Patents
Cylindrical combination formula PACK battery module structure Download PDFInfo
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- CN111755635A CN111755635A CN201910239230.6A CN201910239230A CN111755635A CN 111755635 A CN111755635 A CN 111755635A CN 201910239230 A CN201910239230 A CN 201910239230A CN 111755635 A CN111755635 A CN 111755635A
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- 238000007789 sealing Methods 0.000 claims description 22
- 239000000126 substance Substances 0.000 claims description 3
- 239000006261 foam material Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 230000035939 shock Effects 0.000 abstract description 3
- 230000010354 integration Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003562 lightweight material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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 invention discloses a cylindrical combined PACK battery module structure, which comprises a cylindrical box body, an external heat exchange system and a base, wherein the cylindrical box body is provided with a plurality of heat exchange holes; 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 invention can structurally realize the aim of light weight, improve the stress concentration and stress condition of PACK, has obvious heat exchange effect, can effectively control high and low temperature, is convenient to install, can improve the assembly efficiency, saves the cost and working hours, and increases the structural stability, the shock resistance and the waterproofness.
Description
Technical Field
The embodiment of the invention relates to the technical field of batteries, in particular to a cylindrical combined 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.
Disclosure of Invention
The invention provides a cylindrical combined PACK battery module structure, which aims to overcome the defects in the prior art.
In order to achieve the above purpose, 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 cylindrical combined PACK battery module structure provided by the embodiment of the invention can structurally realize the aim of light weight, improve the stress concentration and stress condition of PACK, has obvious heat exchange effect, can effectively control high and low temperature, is convenient to install, can improve the assembly efficiency, saves the cost and working hours, and increases the structural stability, the shock resistance and the waterproofness.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and 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 these 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 according to 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 technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein 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 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 those shown in the drawings, and are only for convenience of describing the present invention, but do not indicate or imply that the referred devices or elements must have the specific orientations, be configured to operate in the specific orientations, and thus are not to be construed as limitations of the present invention.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Example one
Referring to fig. 1-2, an embodiment of the 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 cylindrical combined PACK battery module structure provided by the embodiment of the invention can structurally realize the aim of light weight, improve the stress concentration and stress condition of PACK, has obvious heat exchange effect, can effectively control high and low temperature, is convenient to install, can improve the assembly efficiency, saves the cost and working hours, and increases the structural stability, the shock resistance and the waterproofness.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
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 1, 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 1, 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 |
|---|---|---|---|
| CN201910239230.6A CN111755635A (en) | 2019-03-27 | 2019-03-27 | Cylindrical combination formula PACK battery module structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910239230.6A CN111755635A (en) | 2019-03-27 | 2019-03-27 | Cylindrical combination formula PACK battery module structure |
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| CN111755635A true CN111755635A (en) | 2020-10-09 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203466229U (en) * | 2013-09-13 | 2014-03-05 | 深圳市日升质电子科技有限公司 | Lithium-ion power battery with novel explosion-proof shell structure |
| CN105990538A (en) * | 2015-02-10 | 2016-10-05 | 广东万锦科技股份有限公司 | Tube-type heat exchange power battery module device and manufacturing method thereof |
| CN109449530A (en) * | 2018-10-23 | 2019-03-08 | 高小龙 | A kind of radiator of hybrid vehicle |
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2019
- 2019-03-27 CN CN201910239230.6A patent/CN111755635A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203466229U (en) * | 2013-09-13 | 2014-03-05 | 深圳市日升质电子科技有限公司 | Lithium-ion power battery with novel explosion-proof shell structure |
| CN105990538A (en) * | 2015-02-10 | 2016-10-05 | 广东万锦科技股份有限公司 | Tube-type heat exchange power battery module device and manufacturing method thereof |
| CN109449530A (en) * | 2018-10-23 | 2019-03-08 | 高小龙 | A kind of radiator of hybrid vehicle |
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