CN213278221U - Battery module end plate, battery module and battery pack - Google Patents
Battery module end plate, battery module and battery pack Download PDFInfo
- Publication number
- CN213278221U CN213278221U CN202021873680.5U CN202021873680U CN213278221U CN 213278221 U CN213278221 U CN 213278221U CN 202021873680 U CN202021873680 U CN 202021873680U CN 213278221 U CN213278221 U CN 213278221U
- Authority
- CN
- China
- Prior art keywords
- end plate
- battery module
- plate body
- connecting portion
- battery
- 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.)
- Active
Links
Images
Classifications
-
- 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
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
The utility model belongs to the technical field of lithium ion batteries, in particular to a battery module end plate, which comprises an end plate body; the limiting part is fixedly arranged on the side surface of the end plate body; the connecting part is fixedly arranged on the side surface of the end plate body; the lower edge of spacing portion is higher than the last edge of connecting portion, and end plate body, spacing portion, connecting portion are steel sheet and integrated into one piece setting. The battery module end plate is arranged as a steel plate, and the end plate body, the limiting part and the connecting part are all steel plates and are integrally formed through a stamping die, so that compared with extruded aluminum profiles and plastic materials, the battery module end plate is simple in preparation process, high in machining efficiency, low in material cost, short in manufacturing time and long in service life, and saves a large amount of machining cost; the connecting part and the end plate body in the utility model are integrally formed, and compared with the traditional welding arrangement, the utility model also increases the reliability of the use strength; the utility model provides a spacing portion can automatic joint fixed band, prevents that the fixed band from taking place the displacement in rocking.
Description
Technical Field
The utility model belongs to the technical field of lithium ion battery, especially, relate to a battery module end plate, battery module, battery package.
Background
The electric vehicle not only can improve the environmental problem, but also has more and more remarkable contribution to national economy, so the electric vehicle receives more and more extensive attention. A battery pack is a power source of an electric vehicle, and generally, a plurality of battery modules are contained in the battery pack.
The housing of the battery module is one of the core components of the battery module, and the interior of the housing forms a space for accommodating the battery cell. The case of the battery module includes end plates, side plates, and a bottom plate.
The end plates used by the battery module are all formed by extruding aluminum profiles or plastic, the processing technology of the aluminum profiles is complex and the strength is not high, the die sinking cost of the plastic forming is high, the period is long, the service life of the product is short, and the service life required by the battery pack is difficult to achieve more than 10 years.
In view of the above, it is necessary to provide a technical solution to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
One of the purposes of the utility model lies in: aiming at the defects of the prior art, the battery module end plate is provided, and has the advantages of simple preparation process, high strength, low material cost, short manufacturing time, high processing efficiency and long service life.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a battery module end plate comprising:
an end plate body;
the limiting part is fixedly arranged on the side surface of the end plate body;
the connecting part is fixedly arranged on the side surface of the end plate body;
the lower edge of spacing portion is higher than the last edge of connecting portion, the end plate body spacing portion connecting portion are steel sheet and integrated into one piece setting.
As a battery module end plate's an improvement, the fretwork district has been seted up on the surface of end plate body. The effect in fretwork district is the weight that alleviates battery module end plate, and the heat that the electricity core produced can distribute away from the fretwork district moreover, avoids the heat to gather between the electricity core.
As a battery module end plate's an improvement, the fretwork district includes first fretwork district and second fretwork district, first fretwork district set up in the below of spacing portion, the second fretwork district set up in the below of connecting portion.
As a battery module end plate's an improvement, the width of spacing portion is less than or equal to the width in first fretwork district, the width of connecting portion is less than or equal to the width in second fretwork district. In the actual preparation process, put a plane steel sheet and go out end plate body, spacing portion and connecting portion in the mould punching press, the shape of spacing portion can set up with the shape phase-match in first fretwork district, and mould stamping forming back is bent spacing portion, can be so that spacing portion and end plate body set up perpendicularly. The shape of connecting portion can set up with the shape phase-match in second fretwork district, and the die stamping forming back is bent connecting portion, can suitably connecting portion and the perpendicular setting of end plate body.
As an improvement of the battery module end plate, a plurality of connecting holes have been seted up on the surface of connecting portion.
The utility model discloses a second of purpose lies in: the utility model provides a battery module, including any one of the preceding article of description battery module end plate, electric core group and fixed band, battery module end plate set up in the at least one end of electric core group, the fixed band cover is located electric core group with on the battery module end plate, battery module end plate is used for fixing on battery package fixed bolster.
As an improvement of battery module, the fixed band sets up two at least, one sets up the top of spacing portion, another setting is in the below of connecting portion, the width of spacing portion is greater than the thickness of fixed band.
As an improvement of the battery module, still include the connecting piece, connecting portion pass through the connecting piece with the fixed bolster is connected.
As a battery module's an improvement, still include the battery module curb plate, the battery module curb plate with battery module end plate fixed connection.
The third purpose of the utility model is that: the battery pack comprises a lower box body and a battery module, wherein the battery module is described in the specification, a battery pack fixing support is arranged between the lower box body and the battery module, and the battery module is fixed on the battery pack fixing support through a battery module end plate.
Compared with the prior art, the utility model discloses following beneficial effect has at least: the utility model provides a battery module end plate sets up to the steel sheet, and end plate body, spacing portion, connecting portion are the steel sheet and set up through stamping die integrated into one piece, for extrusion aluminium alloy and plastic material, preparation simple process, machining efficiency is high, and material cost is low, has saved a large amount of processing expenses, and the manufacturing time is short, long service life; the connecting part and the end plate body in the utility model are integrally formed, and compared with the traditional welding arrangement, the utility model also increases the reliability of the use strength; the utility model provides a spacing portion can automatic joint fixed band, prevents that the fixed band from taking place the displacement in rocking.
Drawings
Fig. 1 is a schematic structural view of an end plate of a battery module in an embodiment.
Fig. 2 is a schematic structural diagram of the battery module in the embodiment.
Fig. 3 is a schematic structural view of a battery pack in an embodiment.
Wherein: 1-battery module end plate, 11-end plate body, 12-limiting part, 13-connecting part, 131-connecting hole, 14-hollowed-out area, 141-first hollowed-out area, 142-second hollowed-out area, 2-electric core group, 3-fixing band, 4-fixing bracket and 5-connecting piece.
Detailed Description
As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, within which a person skilled in the art can solve the technical problem to substantially achieve the technical result.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", horizontal "and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The present invention will be described in further detail with reference to the accompanying drawings, which are not intended to limit the present invention.
Example 1
As shown in fig. 1, the present embodiment provides a battery module end plate 1 including:
a battery module end plate 1 comprising:
an end plate body 11;
a stopper 12 fixedly provided on a side surface of the end plate body 11;
a connecting portion 13 fixedly provided on a side surface of the end plate body 11;
the lower edge of the limiting part 12 is higher than the upper edge of the connecting part 13, and the end plate body 11, the limiting part 12 and the connecting part 13 are all steel plates and are integrally formed.
The utility model provides a battery module end plate 1 sets up to the steel sheet, and end plate body 11, spacing portion 12, connecting portion 13 are the steel sheet and set up through stamping die integrated into one piece, and for extrusion aluminium alloy and plastic material, preparation simple process, machining efficiency is high, and material cost is low, has saved a large amount of processing expenses, and manufacturing time is short, long service life; the connecting part 13 and the end plate body 11 in the utility model are integrally formed, and compared with the traditional welding arrangement, the reliability of the use strength is also increased; the utility model provides a spacing portion 12 can automatic joint fixed band 3, prevents that fixed band 3 from taking place the displacement in rocking.
Further, a hollow area 14 is opened on the surface of the end plate body 11. The effect in hollow out area 14 is the weight that alleviates battery module end plate 1, and then alleviates the weight of whole battery module, and the heat that the electricity core produced can distribute away from hollow out area 14 in addition, prevents the inside heat gathering of battery module, produces thermal runaway.
Further, the hollow-out area 14 includes a first hollow-out area 141 and a second hollow-out area 142, the first hollow-out area 141 is disposed below the limiting portion 12, and the fixing band 3 is clamped above the limiting portion 12, so that heat dissipation of the first hollow-out area 141 is not affected. The second hollow area 142 is disposed below the connecting portion 13, and the fixing band 3 is disposed on the periphery of the second hollow area 142, so that the fixing band 3 can be better fixed by the connection between the connecting portion 13 and the fixing bracket 4, and the fixing band 3 is prevented from displacement.
Further, the width W1 of the limiting portion 12 is less than or equal to the width H1 of the first hollow-out region 141, and the width W2 of the connecting portion 13 is less than or equal to the width H2 of the second hollow-out region 142. In the actual preparation process, put a plane steel sheet and go out end plate body 11, spacing portion 12 and connecting portion 13 in the mould punching press, the shape of spacing portion 12 can set up with the shape phase-match of first fretwork district 141, and mould stamping forming back is bent spacing portion 12, can be so that spacing portion 12 and end plate body 11 set up perpendicularly. The shape of the connecting portion 13 can be matched with the shape of the second hollow-out area 142, and after the die is subjected to punch forming, the connecting portion 13 is bent, so that the connecting portion 13 can be properly arranged perpendicular to the end plate body 11.
Further, the surface of the connecting portion 13 is provided with a plurality of connecting holes 131.
Example 2
As shown in fig. 2, this embodiment provides a battery module, including embodiment 1 battery module end plate 1, electric core group 2 and fixed band 3, battery module end plate 1 sets up in at least one end of electric core group 2, and on electric core group 2 and battery module end plate 1 were located to fixed band 3 covers, battery module end plate 1 was used for fixing on battery package fixed bolster 4. Preferably, a buffer cotton or a flame-retardant pad or other materials can be arranged between the electric core group 2 and the battery module end plate 1.
Further, fixed band 3 sets up two at least, and one setting is in spacing portion 12's top for it is fixed with a plurality of electric core group 2 and battery module end plate 1, and another setting is in the below of connecting portion 13, is used for fixing electric core group 2, battery module end plate 1, fixed bolster 4 better. Wherein, the width of spacing portion 12 is greater than the thickness of fixed band 3, prevents that fixed band 3 from taking place the displacement at the in-process of battery module motion.
Furthermore, the device also comprises a connecting piece 5, and the connecting part 13 is connected with the fixed support 4 through the connecting piece 5. Preferably, the connecting member 5 may be provided as a screw or other connecting member 5 commonly used in the art.
Further, still include the battery module curb plate, battery module curb plate and battery module end plate 1 fixed connection.
Example 3
As shown in fig. 3, the present embodiment provides a battery pack, which includes a lower case and the battery module of embodiment 2, a fixing bracket 4 is disposed between the lower case and the battery module, and the battery module is fixed to the fixing bracket 4 through a battery module end plate 1.
Variations and modifications to the above-described embodiments may become apparent to those skilled in the art from the disclosure and teachings of the above description. Therefore, the present invention is not limited to the above-mentioned embodiments, and any obvious modifications, replacements or variations made by those skilled in the art on the basis of the present invention belong to the protection scope of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (10)
1. A battery module end plate, comprising:
an end plate body;
the limiting part is fixedly arranged on the side surface of the end plate body;
the connecting part is fixedly arranged on the side surface of the end plate body;
the lower edge of spacing portion is higher than the last edge of connecting portion, the end plate body spacing portion connecting portion are steel sheet and integrated into one piece setting.
2. The battery module end plate of claim 1, wherein a hollowed-out area is opened on the surface of the end plate body.
3. The battery module end plate of claim 2, wherein the hollowed-out areas comprise a first hollowed-out area disposed below the limiting portion and a second hollowed-out area disposed below the connecting portion.
4. The battery module end plate of claim 3, wherein the width of the limiting portion is less than or equal to the width of the first hollowed-out area, and the width of the connecting portion is less than or equal to the width of the second hollowed-out area.
5. The battery module end plate of claim 1, wherein the connecting portion has a plurality of connecting holes formed in a surface thereof.
6. A battery module, characterized in that, includes battery module end plate, electric core group and fixed band of any claim 1 ~ 5, battery module end plate set up in the at least one end of electric core group, the fixed band cover is located the electric core group with on the battery module end plate, battery module end plate is used for fixing on battery package fixed bolster.
7. The battery module according to claim 6, wherein the fixing band is provided with at least two bands, one band is provided above the limiting portion and the other band is provided below the connecting portion, and the width of the limiting portion is greater than the thickness of the fixing band.
8. The battery module according to claim 6, further comprising a connecting member, wherein the connecting portion is connected to the fixing bracket through the connecting member.
9. The battery module of claim 6, further comprising battery module side plates, the battery module side plates and the battery module end plates being fixedly connected.
10. A battery pack, comprising a lower case and the battery module according to claim 6, wherein a battery pack fixing bracket is arranged between the lower case and the battery module, and the battery module is fixed on the battery pack fixing bracket through the battery module end plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021873680.5U CN213278221U (en) | 2020-09-01 | 2020-09-01 | Battery module end plate, battery module and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021873680.5U CN213278221U (en) | 2020-09-01 | 2020-09-01 | Battery module end plate, battery module and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213278221U true CN213278221U (en) | 2021-05-25 |
Family
ID=75979564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021873680.5U Active CN213278221U (en) | 2020-09-01 | 2020-09-01 | Battery module end plate, battery module and battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213278221U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023066191A1 (en) * | 2021-10-18 | 2023-04-27 | 宁德时代新能源科技股份有限公司 | Battery module end plate, battery module, and preparation method for battery module end plate |
-
2020
- 2020-09-01 CN CN202021873680.5U patent/CN213278221U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023066191A1 (en) * | 2021-10-18 | 2023-04-27 | 宁德时代新能源科技股份有限公司 | Battery module end plate, battery module, and preparation method for battery module end plate |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110085900B (en) | Soft package battery module and assembling method | |
| CN102201553B (en) | Battery or capacitor packaging housing | |
| CN213150897U (en) | Power battery package structure | |
| CN213278221U (en) | Battery module end plate, battery module and battery pack | |
| CN112271377A (en) | Lightweight battery box body of pure electric vehicle and manufacturing method thereof | |
| CN212113827U (en) | Battery pack box and battery pack | |
| CN215731862U (en) | Lithium ion battery module of integrated BMS and battery pack thereof | |
| CN214411328U (en) | Square aluminum shell integrated with top cover and power battery thereof | |
| CN111710809A (en) | Battery pack box and battery pack | |
| CN217182331U (en) | Cell fixing unit and cell stacking module comprising same | |
| CN217134526U (en) | Section bar for battery pack, lower box frame, battery pack and electric device | |
| CN113067073B (en) | Battery module frame, battery module and battery package | |
| CN213242742U (en) | Cylindrical lithium ion battery pack | |
| CN213546443U (en) | Support for stacking and fixing standard battery modules | |
| CN201413847Y (en) | Lithium-ion power battery | |
| CN211208492U (en) | Battery cover plate of flat-film high-explosion-point-value explosion-proof film | |
| CN210897399U (en) | Battery module end plate and battery module | |
| CN209001002U (en) | A kind of battery modules carrying out overcurrent by pressing | |
| CN206461001U (en) | A kind of battery modules of Intermediate Gray reinforcement structure | |
| CN214378716U (en) | Novel laminate polymer battery module | |
| CN208637553U (en) | A kind of soft-package battery unit module | |
| CN217156563U (en) | Clamp for testing performance of battery cell | |
| CN220963520U (en) | Heat exchange plate assembly, battery and electric equipment | |
| CN215644766U (en) | Big module shell of soft packet of power battery of steel bandage formula | |
| CN212323113U (en) | Lithium ion battery module capable of realizing automatic welding |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |