CN209786021U - Battery module and protective cover thereof - Google Patents
Battery module and protective cover thereof Download PDFInfo
- Publication number
- CN209786021U CN209786021U CN201920685130.1U CN201920685130U CN209786021U CN 209786021 U CN209786021 U CN 209786021U CN 201920685130 U CN201920685130 U CN 201920685130U CN 209786021 U CN209786021 U CN 209786021U
- Authority
- CN
- China
- Prior art keywords
- protective cover
- battery module
- battery
- units
- protection
- 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
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 relates to a power battery field provides a battery module and protective cover thereof, can solve among the prior art protective cover suitability poor, battery module problem with high costs, that economic nature is relatively poor. The battery module includes the group battery that a plurality of battery cells arranged and formed, still including setting up the protective cover in order to carry out the protection at the group battery top, this protective cover includes the more than two protection units of arranging side by side along the first direction, the free range orientation of battery is the second direction in the battery module that the protective cover will protect, first direction is the same with the second direction, be equipped with the connection structure of fracture formula between two adjacent protection units, when using, two adjacent protection units can be broken neatly in connection structure department between the two.
Description
Technical Field
The utility model relates to a power battery field, concretely relates to battery module and protective cover thereof.
Background
With the increasing maturity of power battery technology, the application range of the power battery has been expanded to various fields such as electric vehicles, communication power supplies, ships and the like, and among numerous power batteries, lithium batteries are widely applied due to the advantages of high capacity density, large charge-discharge rate, long cycle life, environmental protection and the like.
At present, when the lithium battery monomer is used, it needs to be connected in series or in parallel, and the lithium battery monomer is often assembled into a battery pack, for example, the publication number of CN206236730U and publication date of 2017.06.09 disclose a high energy density soft pack battery module structure, which comprises a battery pack formed by arranging a plurality of battery cells, i.e. a battery cell integration module, left and right end plates disposed at two ends of the battery cell integration module, and a protective cover disposed at the top of the battery cell integration module, wherein the battery cell integration module is one of an even number battery cell module and an odd number battery cell module, and comprises a battery cell and a supporting plate, the battery cell is mounted at two sides of the supporting plate, a plurality of battery cells and the supporting plate are combined and stacked to form the battery cell integration module, the left and right end plates are connected with the battery cell integration module through a connection structure, and clamping grooves for embedding a binding tape are disposed on the left and right end plates, the battery, and the left end plate and the right end plate form a complete module together.
Foretell battery module structure can reduce the module structure through fagging and electric core cooperation, can also assemble into multiple series-parallel connection form, and the power of battery module can be changed through the quantity of increase and decrease electric core and fagging to the technical staff, and the form is nimble, but wherein has some problems: the supporting plate comprises a plastic supporting frame, after the battery cell is arranged on the supporting plate, the plastic supporting frame can protect the side face of the battery cell, so that a technician does not need to additionally increase a protective structure, but a conductive connecting structure is arranged on the top of the battery cell, the protective cover is necessary for the battery module, the battery modules of different specifications need protective covers of different sizes to effectively protect the battery modules, and the manufacturing of the protective covers of different sizes can increase the production cost of the battery module, so that the economy of the battery module is reduced; and the protective cover of fixed size can only be used for a battery module rather than corresponding, and the suitability is poor, and the idle rate is high.
SUMMERY OF THE UTILITY MODEL
the utility model aims to provide a protective cover for a battery module, which can solve the problem of poor adaptability of the protective cover in the prior art; another object of the present invention is to provide a battery module using the protective cover, which can solve the problems of high cost and poor economical efficiency of the battery module in the prior art.
In order to achieve the above object, the utility model discloses in be used for battery module's protective cover adopts following technical scheme:
A protective cover for battery module, this protective cover include the protection unit more than two that arrange side by side along the first direction, and the free range orientation of battery is the second direction in the battery module that the protective cover will protect, and first direction is the same with the second direction, is equipped with the connection structure of fracture formula between two adjacent protection units, and when using, two adjacent protection units can be neatly broken off at connection structure department between the two.
The beneficial effects are that: the protective cover is formed by connecting more than two protective units through the connection structure of fracture formula, when the specification of protective cover is adjusted to needs, can make the connection structure disconnection of fracture formula through external force, realize that two adjacent protective units are neatly disconnected in the junction, the protective unit quantity of constituteing the protective cover has been reduced by the protective cover of disconnection, the purpose of adjustment protective unit specification has been realized, the suitability of protective cover has been improved, when facing the battery module of different specifications, only just can make the main part adaptation of protective cover and battery module through the quantity that changes protective unit, can reduce the manufacturing cost of battery module, improve the economic nature of battery module.
Furthermore, a connecting rib is arranged between two adjacent protection units, and the connecting rib correspondingly forms a fracture type connecting structure.
The beneficial effects are that: the connecting rib is used as a connecting structure for connecting the two protection units, the structure is simple, the connecting rib is easy to break when external force is applied, and the operation is simple when the protection units are disconnected by an operator.
Furthermore, the section of the protection unit is U-shaped, and the protection unit comprises a horizontal plate body arranged along a horizontal plane and vertical arms connected to two ends of the horizontal plate body.
The beneficial effects are that: the protection unit is combined by the horizontal plate body and the vertical arm to form a U-shaped structure, so that the protection area of the battery module can be increased.
Furthermore, a bayonet for realizing clamping and matching of the protection unit and the corresponding component in the battery module is arranged on the vertical arm of the protection unit.
The beneficial effects are that: be provided with the bayonet socket on founding the arm, realize the fixed of protection unit and battery module through joint complex mode, the cooperation mode is simple, is convenient for realize.
Furthermore, the protection unit is provided with a convex part protruding away from the single battery at a position corresponding to the U-shaped bottom.
The beneficial effects are that: the protection unit is provided with the protruding parts, the protruding parts and the adjacent parts of the protruding parts are staggered to reinforce the structure of the whole protection unit, and the structural strength of the protection unit is improved.
Furthermore, after two adjacent protection units break, the protection cover can correspond to an integer number of single batteries so as to meet the protection requirements of the battery module.
The beneficial effects are that: the protective cover can protect a whole plurality of single batteries after two adjacent protective units are broken, so that different battery modules with various assembly specifications can be met, and the applicability of the protective cover is improved.
In order to achieve the above object, the utility model provides a battery module adopts following technical scheme:
The battery module, arrange the group battery that forms including a plurality of battery cells, still including setting up the protective cover in order to carry out the protection at the group battery top, this protective cover includes the more than two protection units of arranging side by side along the first direction, the free range orientation of battery is the second direction in the battery module that the protective cover will protect, first direction is the same with the second direction, be equipped with the connection structure of fracture formula between two adjacent protection units, when using, two adjacent protection units can be broken neatly in connection structure department between the two.
The beneficial effects are that: the protective cover is formed by connecting more than two protective units through the connection structure of fracture formula, when the specification of protective cover is adjusted to needs, can make the connection structure disconnection of fracture formula through external force, realize that two adjacent protective units are neatly disconnected in the junction, the protective unit quantity of constituteing the protective cover has been reduced by the protective cover of disconnection, the purpose of adjustment protective unit specification has been realized, the suitability of protective cover has been improved, when facing the battery module of different specifications, only just can make the main part adaptation of protective cover and battery module through the quantity that changes protective unit, can reduce the manufacturing cost of battery module, improve the economic nature of battery module.
Furthermore, a connecting rib is arranged between two adjacent protection units, and the connecting rib correspondingly forms a fracture type connecting structure.
The beneficial effects are that: the connecting rib is used as a connecting structure for connecting the two protection units, the structure is simple, the connecting rib is easy to break when external force is applied, and the operation is simple when the protection units are disconnected by an operator.
Furthermore, the section of the protection unit is U-shaped, and the protection unit comprises a horizontal plate body arranged along a horizontal plane and vertical arms connected to two ends of the horizontal plate body.
the beneficial effects are that: the protection unit is combined by the horizontal plate body and the vertical arm to form a U-shaped structure, so that the protection area of the battery module can be increased.
furthermore, a bayonet for realizing clamping and matching of the protection unit and the corresponding component in the battery module is arranged on the vertical arm of the protection unit.
The beneficial effects are that: be provided with the bayonet socket on founding the arm, realize the fixed of protection unit and battery module through joint complex mode, the cooperation mode is simple, is convenient for realize.
Furthermore, the protection unit is provided with a convex part protruding away from the single battery at a position corresponding to the U-shaped bottom.
The beneficial effects are that: the protection unit is provided with the protruding parts, the protruding parts and the adjacent parts of the protruding parts are staggered to reinforce the structure of the whole protection unit, and the structural strength of the protection unit is improved.
Furthermore, after two adjacent protection units break, the protection cover can correspond to an integer number of single batteries so as to meet the protection requirements of the battery module.
The beneficial effects are that: the protective cover can protect a whole plurality of single batteries after two adjacent protective units are broken, so that different battery modules with various assembly specifications can be met, and the applicability of the protective cover is improved.
Drawings
Fig. 1 is a schematic structural diagram of a battery module according to the present invention;
Fig. 2 is a schematic structural view of a protective cover in the battery module of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
Fig. 4 is a side view of the protective cover of the present invention;
Fig. 5 is a schematic structural view of the spacer of the present invention.
In the figure: 10-a protective cover; 11-a guard unit; 12-bayonet; 13-a horizontal plate body; 14-a vertical arm; 15-horizontal connecting ribs; 16-vertical connecting ribs; 17-a raised portion; 20-a body portion; 21-binding tape; 22-a single cell; 23-a spacer; 24-buckling.
Detailed Description
The following describes a specific embodiment of the battery module and the protective cover according to the present invention with reference to the accompanying drawings.
As shown in fig. 1, in order to implement the battery module of the present invention, the battery module includes a main body 20 and a protective cover 10 covering the main body 20, the main body 20 includes a battery pack formed by a plurality of single batteries 22 arranged in a second direction, i.e. a front-back direction in the figure, and the single batteries 22 are stacked and then locked by a tie 21. The protective cover 10 can be connected with a corresponding structure in the battery module to fix the protective cover 10 itself and protect the top of the battery pack.
As shown in fig. 2, the protective cover 10 includes a plurality of protective units 11, the protective units 11 are arranged side by side along a first direction, where the first direction is the same as the arrangement direction of the unit batteries 22, and the distance between two adjacent protective units 11 is small, and the arrangement of the protective units 11 in this manner can provide good protection for the top of the battery pack. For the protection unit 11, the section of the protection unit is U-shaped, and the protection unit mainly comprises a horizontal plate 13 parallel to the top surface of the battery pack and vertical arms 14 extending downwards from two ends of the horizontal plate 13, so that the protection strength of the protection unit 11 on the battery pack can be ensured. As shown in fig. 4, the protection unit has a protruding portion 17 protruding away from the battery cell when the protection cover 10 is assembled, and the protruding portion 17 has a height difference with two adjacent sides of the protruding portion, forming a rib extending in the first direction, so that the structural strength of the whole protection cover and the protection unit is improved. The size of the horizontal plate 13 along the arrangement direction of the single batteries 22 is matched with the corresponding size of the single batteries 22 and the related structures below the horizontal plate 13, and when the protective cover 10 covers the battery pack, each protective unit 11 has a sufficient protective area to protect the single batteries 22.
The battery module further includes a spacer disposed between two adjacent single batteries, as shown in fig. 5, the spacer 23 includes a plate body as a main body, two side surfaces of the plate body are respectively provided with a retaining edge protruding from the plate body, the retaining edges can be correspondingly matched with the single batteries located at two sides of the spacer 23, the upright arm 14 is provided with a bayonet 12 matched with a buckle 24 on the spacer 23, and the spacer 23 is located between two adjacent single batteries 22, so when the protection unit 11 is matched with the spacer 23, the protection unit 11 is staggered with the single batteries 22 located below the corresponding protection unit 11 along the arrangement direction of the single batteries 22.
As shown in fig. 3, a break-type connecting structure is provided in the space between two adjacent shield units 11, and specifically, a connecting rib provided between the shield units is used as the break-type connecting structure in the present embodiment. The connecting rib is short, low in strength and capable of being sheared off when external force is applied, so that the two adjacent protection units 11 are neatly disconnected at the connecting structure, and the connecting rib can be cylindrical, conical, square column, square cone and the like. Three horizontal connecting ribs 15 serving as one of the connecting ribs are connected between the horizontal plate bodies 13 of the two adjacent protection units 11, vertical connecting ribs 16 serving as one of the connecting ribs are connected between the vertical arms 14 of the two adjacent protection units 11, the vertical connecting ribs 16 are located at the bottom of the interval, and the bottom side surfaces of the vertical connecting ribs 16 form a part of the bottom surface of the side edges of the whole protection cover 10.
when the battery module of the present invention is used, the structure of the protective cover 10 can be correspondingly adjusted according to the arrangement form of the single batteries 22, for example, when the number of the single batteries 22 in the battery module needs to be reduced, the length of the protective cover 10 needs to be reduced correspondingly by removing the spacer 23 and the single batteries 22 arranged at both sides of the spacer 23, and at this time, an operator can cut off the connecting rib between the protective unit 11 at the terminal of the protective cover 10 and the adjacent protective unit 11, so that the protective unit 11 at the terminal of the protective cover 10 is separated from the protective cover 10, and the size of the protective cover 10 is adjusted; or the whole protecting cover 10 is adjusted into two parts separated from each other by cutting off the connecting ribs, one part of the protecting units 11 is adjusted, and then the two parts separated from each other by the protecting cover 10 are arranged on the main body part 20; or directly tear down each protection unit 11 of protective cover 10, then be connected each protection unit 11 and the isolation that corresponds respectively, make protection unit 11 independently protect battery cell 22, in general, two adjacent protection unit fracture backs, the protective cover can correspond the protection requirement in order to satisfy battery module with an integer battery cell.
In other embodiments, the fracture-type connection structure may also adopt other forms, for example, a groove is formed in the protective cover, because the concave groove can correspondingly reduce the thickness of the protective cover, and a weak portion under stress is formed, so that an operator can break or cut the corresponding portion of two adjacent protective units in the groove manually, and the protective units are regularly broken at the connection structure, and the groove correspondingly forms the fracture-type connection structure.
In other embodiments, the positions of the connecting ribs may be adjusted accordingly, for example, the connecting ribs are disposed on the top surfaces or the bottom surfaces of the two protection units, or are connected to the side surfaces and the bottom surfaces of the two protection units at the same time, or are connected to the side surfaces and the top surfaces of the two protection units at the same time, or are connected to the side surfaces, the bottom surfaces and the top surfaces of the two protection units at the same time.
In other embodiments, the arrangement position of the connecting rib can be adjusted, for example, the position of the vertical connecting rib connected to the upright arm of the protection unit can be adjusted upwards; the quantity of the horizontal connecting ribs connected between the horizontal plate bodies can be increased and decreased correspondingly.
In other embodiments, the connecting structure of the protecting cover and the main body part can be replaced by other forms, such as bonding, screwing and the like; correspondingly, a part of the protection units in the protection cover is provided with a connecting structure for connecting with the main body part, and the other part of the protection units is connected with the main body part through connecting with other protection units.
In other embodiments, the structure of the protection unit may be replaced by other forms, such as only a horizontal plate body forming the top surface of the battery module and parallel to the battery pack is provided, and no vertical arm is provided, and the cross section of the horizontal plate body is in a straight shape, or the horizontal plate body is provided with other shapes and can protect the top surface of the battery pack; or a convex portion may not be provided on the shield unit.
In other embodiments, the protection unit and the battery module may be fixed by other connection methods, for example, by using bonding, screwing, or the like.
the structure of the middle protective cover is the same as that of the protective cover in the embodiment of the battery module, and thus the detailed description of the protective cover is omitted.
The above-mentioned embodiments further explain the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above-mentioned embodiments are only embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. a protective cover for battery module, its characterized in that: the protective cover comprises more than two protective units arranged side by side along a first direction, the arrangement direction of battery monomers in a battery module to be protected by the protective cover is a second direction, the first direction is the same as the second direction, a fracture type connecting structure is arranged between every two adjacent protective units, and when the protective cover is used, the two adjacent protective units can be regularly disconnected at the connecting structure between the two protective units.
2. The protective cover for a battery module according to claim 1, wherein: and a connecting rib is arranged between two adjacent protection units, and the connecting rib correspondingly forms a fracture type connecting structure.
3. The protective cover for a battery module according to claim 2, wherein: the section of the protection unit is U-shaped and comprises a horizontal plate body arranged along a horizontal plane and vertical arms connected to two ends of the horizontal plate body.
4. The protective cover for a battery module according to claim 3, wherein: and a bayonet for realizing clamping and matching of the protection unit and the corresponding part in the battery module is arranged on the vertical arm of the protection unit.
5. The protective cover for a battery module according to claim 3 or 4, wherein: and the protection unit is provided with a convex part protruding back to the single battery at a position corresponding to the U-shaped bottom.
6. The protective cover for a battery module according to any one of claims 1 to 4, wherein: after two adjacent protection units break, the protective cover can correspond in order to satisfy the protection requirement of battery module with an integer battery cell.
7. The battery module, including the group battery that a plurality of battery cells arranged and formed, still including setting up the protective cover in order to protect the group battery at the group battery top, its characterized in that: the protective cover is the protective cover for a battery module set described in any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920685130.1U CN209786021U (en) | 2019-05-14 | 2019-05-14 | Battery module and protective cover thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920685130.1U CN209786021U (en) | 2019-05-14 | 2019-05-14 | Battery module and protective cover thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209786021U true CN209786021U (en) | 2019-12-13 |
Family
ID=68805238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920685130.1U Active CN209786021U (en) | 2019-05-14 | 2019-05-14 | Battery module and protective cover thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209786021U (en) |
-
2019
- 2019-05-14 CN CN201920685130.1U patent/CN209786021U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20150207127A1 (en) | Bus bar assembly including integrated bus bar support | |
| CN109792010A (en) | Assembled battery | |
| CN109742304A (en) | A kind of power battery module and electric vehicle | |
| CN209896151U (en) | Battery cell fixing structure of combined battery | |
| CN209786021U (en) | Battery module and protective cover thereof | |
| CN209786019U (en) | Battery module and battery separator thereof | |
| CN218472176U (en) | Battery module and battery pack | |
| CN210182445U (en) | Middle waist structure for combined battery PACK box | |
| CN218039601U (en) | Battery module and battery pack | |
| CN216389565U (en) | Novel frame-type square battery module structure | |
| CN215527866U (en) | A box and battery package for electric core stack body | |
| CN215184284U (en) | End plate of battery module | |
| CN212848722U (en) | Connecting device for soft-packaged cell tab | |
| CN201466120U (en) | Combination structure of battery core in vertical electric bicycle battery pack | |
| CN218648089U (en) | Cover plate assembly and battery module | |
| CN212599666U (en) | Battery module busbar laser welding positioner | |
| CN205646028U (en) | Soft packet of lithium cell with welded structure exempts from | |
| CN218887457U (en) | Battery module and power device | |
| CN212848721U (en) | Fixed square body in soft-packaged cell tab connecting device | |
| CN215184279U (en) | No PACK energy storage power | |
| CN220341365U (en) | Assembly structure of CTP battery pack | |
| CN204991881U (en) | Integrated module of lithium cell and electric motor car | |
| CN209963136U (en) | Improved battery nickel sheet | |
| CN108574070B (en) | Mounting and fixing structure of soft package battery module | |
| CN216793891U (en) | Battery integration bottom plate structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |