CN111048716A - Battery pack with stable structure - Google Patents
Battery pack with stable structure Download PDFInfo
- Publication number
- CN111048716A CN111048716A CN201911415654.XA CN201911415654A CN111048716A CN 111048716 A CN111048716 A CN 111048716A CN 201911415654 A CN201911415654 A CN 201911415654A CN 111048716 A CN111048716 A CN 111048716A
- Authority
- CN
- China
- Prior art keywords
- heat dissipation
- battery
- partition plate
- battery pack
- battery module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000017525 heat dissipation Effects 0.000 claims abstract description 47
- 238000005192 partition Methods 0.000 claims abstract description 40
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 5
- 239000011435 rock Substances 0.000 abstract description 2
- 230000004308 accommodation Effects 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/653—Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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 invention discloses a battery pack with a stable structure, which comprises a battery shell, a first heat dissipation partition plate, a first battery module, a fixed frame, a second battery module and a second heat dissipation partition plate. The battery pack provided by the invention has the advantages that the structural design is simple, the compactness is strong, the buffer springs on the first heat dissipation partition plate and the second heat dissipation partition plate can ensure that the interior of the battery cannot bump and rock due to the outside, so that the internal looseness of devices in the battery pack can be avoided, and meanwhile, the battery pack can ensure the normal operation of the internal stability and the heat dissipation of the battery pack under the condition that the accommodation in the battery pack is not influenced.
Description
Technical Field
The invention relates to the technical field of batteries, in particular to a battery pack with a stable structure.
Background
The performance, service life and safety of a power battery of a new energy automobile have great influence on the heat productivity of a battery module of a battery pack during working, and in recent years, with the increasing requirements of the new energy automobile on high-power charge and discharge performance and environmental adaptability, the search for an effective and reliable battery pack thermal management system becomes the key point of current work. The common cooling modes of the power battery pack include natural cooling, air cooling, liquid cooling and direct refrigerant cooling, wherein a liquid cooling system is widely applied to domestic and foreign mainstream vehicle enterprises due to the advantage of high cooling efficiency.
However, because the liquid cooling system structural design of battery package is comparatively complicated, and pipeline and interface spare part are numerous, and the car is during operation under complicated operating mode for a long time, when the condition of jolting appears, leads to battery package inside not hard up easily, arouses the potential safety hazard, if battery package structural design is unreasonable simultaneously, the heat dissipation goes wrong and influences battery package life-span and use.
Disclosure of Invention
The invention aims to provide a battery pack with a stable structure, so that potential safety hazards caused by internal looseness of the battery pack due to vibration of the battery pack are prevented, and the safety of the battery pack is improved.
In order to achieve the purpose, the technical scheme of the invention is realized in such a way.
A battery pack with a stable structure comprises a battery shell, a first heat dissipation partition plate, a first battery module, a fixed frame, a second battery module and a second heat dissipation partition plate, wherein the first heat dissipation partition plate, the first battery module, the fixed frame, the second battery module and the second heat dissipation partition plate are sequentially arranged in the battery shell from top to bottom, the shell comprises a shell cover and a bottom shell, the shell cover is matched with the bottom shell, two bayonets are symmetrically arranged above the first heat dissipation partition plate, the first battery module and the second battery module are fixed through the fixed frame, the first battery module and the second battery module are separated in the fixed frame through a separating plate, two symmetrical single-head buckles are arranged at two ends above the fixed frame, the single-head buckles correspond to the bayonets above the first heat dissipation partition plate, the single-head buckles are buckled with the bayonets, and an air inlet is arranged on one end side wall of the bottom shell, and an air outlet is formed in the side wall of the other end corresponding to the bottom shell.
Preferably, a plurality of buffer springs are arranged above the first heat dissipation partition plate and below the second heat dissipation partition plate.
Preferably, the first heat dissipation partition plate, the second heat dissipation partition plate and the outer walls of the left side and the right side of the fixed frame are respectively provided with a first protruding portion, a second protruding portion and a third protruding portion, and the inner walls of the left side and the right side of the bottom cover are provided with column grooves for accommodating and fixing the first protruding portion, the second protruding portion and the third protruding portion.
Preferably, the first, second and third projections are semi-cylindrical.
Preferably, the battery case, the first heat dissipation spacer and the second heat dissipation spacer are all made of a metal material.
Compared with the prior art, the battery pack has the following advantages:
the utility model provides a pair of stable in structure's battery package, simple structure, during operation under complicated operating mode for a long time, buffer spring on first heat dissipation baffle and the second heat dissipation baffle can guarantee that the battery is inside can not jolt because of the outside and rock, leads to the inside device of battery package to take place inside not hard up, and first heat dissipation baffle and second heat dissipation baffle cooperate with air intake and air outlet simultaneously, guarantee the heat dissipation and normally go on. The service life of the battery pack is prolonged.
Drawings
Fig. 1 is a schematic structural diagram provided by the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "fixed", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Referring to fig. 1, a battery pack with stable structure comprises a battery housing 1, a first heat dissipation partition plate 2, a first battery module 3, a fixed frame 4, a second battery module 5 and a second heat dissipation partition plate 6, wherein the first heat dissipation partition plate 2, the first battery module 3, the fixed frame 4, the second battery module 5 and the second heat dissipation partition plate 6 are sequentially installed in the battery housing 1 from top to bottom, the housing comprises a housing cover 7 and a bottom housing 8, the housing cover 7 is matched with the bottom housing 8, two bayonets 9 are symmetrically arranged above the first heat dissipation partition plate 2, the first battery module 3 and the second battery module 5 are fixed through the fixed frame 4, the first battery module 3 and the second battery module 5 are isolated in the fixed frame 4 through a separating plate 10, two symmetrical single-head buckles 11 are arranged at two ends above the fixed frame 4, the single-head buckles 11 correspond to the bayonets 9 above the first heat dissipation partition plate 2, the single-end buckle 11 is buckled with the bayonet 9, an air inlet 12 is arranged on one side wall of the bottom shell 8, and an air outlet 13 is arranged on the other side wall corresponding to the bottom shell 8.
Further, a plurality of buffer springs 14 are arranged above the first heat dissipation partition plate 2 and below the second heat dissipation partition plate 6, the shell cover 7 and the bottom shell 8 are supported by the buffer springs 14, a buffer space is reserved, the first battery module 3 and the second battery module 5 are integrally stable in the fixed frame 4, and external influence is avoided.
Furthermore, the outer walls of the left side and the right side of the first heat dissipation partition board 2, the second heat dissipation partition board 6 and the fixed frame 4 are respectively provided with a first protruding part 16, a second protruding part 17 and a third protruding part 18, the inner walls of the left side and the right side of the bottom cover are provided with a column groove 15 for accommodating and fixing the first protruding part 16, the second protruding part 17 and the third protruding part 18, the first protruding part 16, the second protruding part 17 and the third protruding part 18 can be placed in the column groove 15 to be stacked, and the first protruding part 16, the second protruding part 17 and the third protruding part 18 are of a semi-cylindrical shape, so that the dislocation inside the battery is prevented.
In addition, battery case 1, first thermal baffle 2 and second thermal baffle 6 are in order to do benefit to the heat dissipation of battery module by metal material by making, adopt aluminum alloy material to make, not only heat conductivility is good, and the quality is light, reduces battery package whole weight.
According to the battery pack with the stable structure, the fixed frame 4 is buckled with the first heat dissipation partition plate 2 through the single-head buckle 11, the battery module in the fixed frame 4 is clamped by the first heat dissipation partition plate 2 and the second heat dissipation partition plate 6, the first heat dissipation partition plate 2, the fixed frame 4 and the second heat dissipation partition plate are installed between the case cover 7 and the bottom case 8, the protruding portion is matched and fixed with the column groove 15, and the first heat dissipation partition plate 2, the second heat dissipation partition plate 6, the air inlet 12 and the air outlet 13 are matched to dissipate heat generated by the operation of the battery pack, so that the internal stability of the battery is guaranteed.
The invention is not limited solely to that described in the specification and embodiments, and additional advantages and modifications will readily occur to those skilled in the art, so that the invention is not limited to the specific details, representative apparatus, and illustrative examples shown and described herein, without departing from the spirit and scope of the general concept as defined by the appended claims and their equivalents.
Claims (5)
1. A battery pack with a stable structure comprises a battery shell (1), a first heat dissipation partition plate (2), a first battery module (3), a fixed frame (4), a second battery module (5) and a second heat dissipation partition plate (6), and is characterized in that the first heat dissipation partition plate (2), the first battery module (3), the fixed frame (4), the second battery module (5) and the second heat dissipation partition plate (6) are sequentially arranged in the battery shell (1) from top to bottom, the shell comprises a shell cover (7) and a bottom shell (8), the shell cover (7) is matched with the bottom shell (8), two bayonets (9) are symmetrically arranged above the first heat dissipation partition plate (2), the first battery module (3) and the second battery module (5) are fixed through the fixed frame (4), and the first battery module (3) and the second battery module (5) are isolated in the fixed frame (4) through a separation plate (10), decide top both ends of frame (4) and be provided with single-end buckle (11) of two symmetries, single-end buckle (11) correspond with bayonet socket (9) of first heat dissipation baffle (2) top, single-end buckle (11) and bayonet socket (9) lock joint, the one end lateral wall of drain pan (8) is provided with air intake (12), the corresponding other end lateral wall of drain pan (8) is provided with air outlet (13).
2. A structurally stable battery pack according to claim 1, characterized in that a plurality of buffer springs (14) are provided above the first heat dissipating partition (2) and below the second heat dissipating partition (6).
3. The battery pack with stable structure as claimed in claim 1, wherein the first heat-dissipating partition (2), the second heat-dissipating partition (6) and the outer walls of the fixed frame (4) at the left and right sides are respectively provided with a first protrusion (16), a second protrusion (17) and a third protrusion (18), and the inner walls at the left and right sides of the bottom case (8) are provided with a column groove (15) for accommodating and fixing the first protrusion (16), the second protrusion (17) and the third protrusion (18).
4. A structurally stable battery pack according to claim 4, characterized in that the first (16), second (17) and third (18) protrusions are of semi-cylindrical shape.
5. A structurally stable battery pack according to claim 1, wherein the battery case (1), the first heat-dissipating spacer (2) and the second heat-dissipating spacer (6) are made of a metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911415654.XA CN111048716A (en) | 2019-12-31 | 2019-12-31 | Battery pack with stable structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911415654.XA CN111048716A (en) | 2019-12-31 | 2019-12-31 | Battery pack with stable structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111048716A true CN111048716A (en) | 2020-04-21 |
Family
ID=70241163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911415654.XA Pending CN111048716A (en) | 2019-12-31 | 2019-12-31 | Battery pack with stable structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111048716A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111628564A (en) * | 2020-05-25 | 2020-09-04 | 国网浙江省电力有限公司湖州供电公司 | Low-voltage intelligent power distribution station power supply system |
| CN112259810A (en) * | 2020-10-24 | 2021-01-22 | 江西美特芯新能源有限公司 | High-capacity high-cycle-performance high-safety lithium-ion aluminum-shell power battery |
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| KR20160078041A (en) * | 2014-12-24 | 2016-07-04 | 주식회사 엘지화학 | Frame For Cell, And Cell Module And Cell Module Assembly Comprising The Same |
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| CN208336315U (en) * | 2018-05-28 | 2019-01-04 | 华霆（合肥）动力技术有限公司 | Battery modules encapsulating structure and battery modules packet |
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-
2019
- 2019-12-31 CN CN201911415654.XA patent/CN111048716A/en active Pending
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| KR20160078041A (en) * | 2014-12-24 | 2016-07-04 | 주식회사 엘지화학 | Frame For Cell, And Cell Module And Cell Module Assembly Comprising The Same |
| CN204681126U (en) * | 2015-06-01 | 2015-09-30 | 珠海银隆电器有限公司 | Lithium battery big current quick charge device |
| CN206022488U (en) * | 2016-09-13 | 2017-03-15 | 深圳市沃特玛电池有限公司 | A kind of battery modules fixed structure |
| CN208336315U (en) * | 2018-05-28 | 2019-01-04 | 华霆（合肥）动力技术有限公司 | Battery modules encapsulating structure and battery modules packet |
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Non-Patent Citations (1)
| Title |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111628564A (en) * | 2020-05-25 | 2020-09-04 | 国网浙江省电力有限公司湖州供电公司 | Low-voltage intelligent power distribution station power supply system |
| CN112259810A (en) * | 2020-10-24 | 2021-01-22 | 江西美特芯新能源有限公司 | High-capacity high-cycle-performance high-safety lithium-ion aluminum-shell power battery |
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