CN218334152U - Power battery module and electric vehicle - Google Patents
Power battery module and electric vehicle Download PDFInfo
- Publication number
- CN218334152U CN218334152U CN202221564446.3U CN202221564446U CN218334152U CN 218334152 U CN218334152 U CN 218334152U CN 202221564446 U CN202221564446 U CN 202221564446U CN 218334152 U CN218334152 U CN 218334152U
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- battery module
- steel
- power battery
- end plate
- fixing
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 90
- 239000010959 steel Substances 0.000 claims abstract description 90
- 238000010586 diagram Methods 0.000 description 8
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000002955 isolation Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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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
Abstract
The application relates to a power battery module and electric vehicle, wherein, the power battery module includes: the battery comprises an end plate, a plurality of battery cores and a steel belt; a plurality of the battery module is constituteed to the electric core, the end plate sets up both ends around the battery module, the steel band is laid the left and right sides of battery module, and with the end plate is connected, is used for forming and is used for fixing the retainer plate of battery module. It is low that it has whole weight of moving, and then can improve battery energy density's advantage under limited space and weight restriction.
Description
Technical Field
The application relates to the field of power devices, in particular to a power battery module and an electric vehicle.
Background
Currently, the overall weight of the power battery module is relatively large, and therefore, the energy density thereof is limited under the limited space and weight limitations.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a power battery module and electric vehicle, it has and moves whole weight low, and then can improve the advantage of battery energy density under limited space and weight restriction.
The embodiment of the application provides a power battery module, includes: the battery comprises an end plate, a plurality of battery cores and a steel belt;
the battery module is composed of a plurality of battery cores, the end plates are arranged at the front end and the rear end of the battery module, and the steel belts are arranged at the left side and the right side of the battery module and connected with the end plates to form fixing rings for fixing the battery module.
In this application, through inciting somebody to action the end plate sets up both ends around the battery module, and will the steel band is laid the left and right sides of battery module, with the end plate is connected, can form and be used for fixing the retainer plate of battery module. Compared with the prior art, this application has avoided adopting curb plate and the fixed electric core of end plate, wherein, because the curb plate is a monoblock sheet metal, its total amount is big consequently, and this application can reduce the weight of battery module through adopting the fixed electric core of the less steel band of weight, and then under limited space and weight restriction, can integrate more electric cores to can improve energy density.
In the first aspect of the present application, as an optional implementation manner, the power battery module includes two sets of the steel belts, each set of the steel belts includes two steel belts, one set of the steel belts is disposed on the left side of the battery module and connected to the left end of the end plate, and the other set of the steel belts is disposed on the right side of the battery module and connected to the right end of the end plate;
and two steel belts in each group of steel belts are arranged at intervals.
In this optional embodiment, the battery cell can be more stably fixed by two sets of the steel strips, and at the same time, the battery cell can be further stably fixed by arranging the two steel strips at an interval.
In the first aspect of the present application, as an optional implementation manner, the left end of the end plate and the right end of the end plate each include two sets of first fixing holes, and each set of the first fixing holes includes two first fixing holes;
and two sets of second fixed orifices are arranged at the two ends of the steel belt, each set of second fixed orifices comprises two second fixed orifices, the first fixed orifices are connected with the second fixed orifices, and the end plates are fixedly connected with the steel belt.
In this alternative embodiment, the end plate can be firmly connected with the steel strip through two sets of the second fixing holes and two sets of the first fixing holes.
In the first aspect of the present application, as an alternative embodiment, two ends of the steel strip are bent to form fixing portions, and the fixing portions are attached to the end plates;
and the second fixing hole is provided in the fixing portion.
In this alternative embodiment, the second fixing hole may be provided in the fixing portion by bending both ends of the steel strip to form the fixing portion and attaching the fixing portion to the end plate.
In the first aspect of the present application, as an optional implementation manner, the power battery module further includes an insulating buffer pipe sleeve, and the insulating buffer pipe sleeve is sleeved in the steel belt.
In this alternative embodiment, the insulating buffer function can be achieved by fixing the insulating buffer tube sleeve to the steel strip.
In the first aspect of the present application, as an optional implementation manner, the power battery module further includes an insulating plate fixed between the steel strip and the battery module.
In this optional embodiment, by fixing the insulating plate between the steel belt and the battery module, the battery cell can be prevented from being scratched, the electrical gap and the creepage distance can be increased, and the steel belt and the end plate can be prevented from being in direct contact with the battery cell to cause electric shock or short circuit.
In the first aspect of the present application, as an alternative embodiment, the width of the steel strip is 15 to 30mm.
In the present alternative embodiment, the weight of the steel strip can be further reduced by setting the width of the steel strip to 15 to 30mm.
In the first aspect of the present application, as an alternative embodiment, the width of the steel strip is 20mm.
In the present alternative embodiment, the weight of the steel strip can be further reduced by setting the width of the steel strip to 20mm.
In the first aspect of the present application, as an alternative embodiment, the thickness of the steel strip is 0.5mm to 2mm.
In the present alternative embodiment, the weight of the steel strip can be further reduced by setting the thickness of the steel strip to 0.5mm to 2mm.
The second aspect of the application discloses an electric vehicle, which comprises the power battery module of the first aspect of the application.
In this application second aspect, because electric vehicle has this application first aspect power battery module, consequently it is through inciting somebody to action the end plate sets up both ends around the battery module, and will the steel band is laid the left and right sides of battery module, with the end plate is connected, can form and be used for fixing the retainer plate of battery module. Compared with the prior art, this application has avoided adopting curb plate and the fixed electric core of end plate, wherein, because the curb plate is a monoblock sheet metal, its total amount is big consequently, and this application can reduce the weight of battery module through adopting the fixed electric core of the less steel band of weight, and then under limited space and weight restriction, can integrate more electric cores to can improve energy density.
Additional features and advantages of the present application will be described in detail in the detailed description which follows.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a schematic structural diagram of a power battery module disclosed in an embodiment of the present application;
fig. 2 is a schematic structural diagram of another power battery module disclosed in the embodiment of the present application;
FIG. 3 is a schematic structural view of a steel strip according to an embodiment of the present disclosure;
FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3;
fig. 5 is a schematic structural diagram of an end plate disclosed in an embodiment of the present application.
Icon: 1-a module upper cover plate; 2-CCS component; 3-electric core; 4-an end plate; 5-a steel belt; 6-screw; 7, insulating plates; 8-high and low voltage interface; 100-a first fixing hole; 200-a second fixation hole; 9-insulating buffer pipe sleeve.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
In the description of the present application, it should be noted that the terms "inside", "outside", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that the product of the application is usually placed in when used, and are used only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally 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 application can be understood in a specific case by those of ordinary skill in the art.
Referring to fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5, fig. 1 is a schematic structural diagram of a power battery module disclosed in an embodiment of the present application, fig. 2 is a schematic structural diagram of another power battery module disclosed in an embodiment of the present application, fig. 3 is a schematic structural diagram of a steel strip 5 disclosed in an embodiment of the present application, fig. 4 is an enlarged schematic structural diagram of a point a in fig. 3, and fig. 5 is a schematic structural diagram of an end plate 4 disclosed in an embodiment of the present application. As shown in fig. 1, 2, 3, 4, and 5, the power battery module according to the embodiment of the present application includes: end plate 4, a plurality of electricity core 3, steel band 5, wherein, a plurality of electricity core 3 makes up into the battery module, and end plate 4 sets up both ends around the battery module, and steel band 5 lays in the left and right sides of battery module to be connected with end plate 4, in order to form the retainer plate that is used for fixed battery module.
In the embodiment of the present application, the end plates 4 are disposed at the front and rear ends of the battery module, and the steel strips 5 are disposed at the left and right sides of the battery module and connected to the end plates 4, so that the fixing ring for fixing the battery module can be formed. Compared with the prior art, this application has avoided adopting curb plate and the fixed electric core 3 of end plate 4, wherein, because the curb plate is a monoblock sheet metal, its total amount is big consequently, and this application can reduce the weight of battery module through adopting the less fixed electric core 3 of 5 steel bands of weight, and then under limited space and weight restriction, can integrate more electric cores 3 to can improve energy density.
In the embodiment of the present application, as shown in fig. 2, the embodiment of the present application further includes a module upper cover plate 1, a CCS assembly 2, and a high-low voltage interface 8, wherein the module upper cover plate 1 is fastened or glued on the CCS assembly 2, and plays a role in insulating and protecting the module. Furthermore, the CCS assembly 2 is provided with a wire harness isolation plate, an FPC, and an aluminum bar, wherein the aluminum bar is welded to a positive (negative) pole of the electric core 3 by a welding method, the aluminum bar is used for conducting high voltage current, the FPC is used for detecting parameters of voltage, temperature, and the like of the electric core 3, the wire harness isolation is used for bearing the FPC and the aluminum bar and is used as an insulating isolation layer to isolate the FPC and the aluminum bar from the electric core 3.
Further, the lower end of the high-low pressure interface 8 is mounted on the end plate 4, and the other end is connected with the CCS assembly 2.
In the embodiment of the application, as an optional implementation manner, the power battery module comprises two groups of steel belts 5, each group of steel belts 5 comprises two steel belts 5, wherein one group of steel belts 5 is arranged on the left side of the battery module and connected with the left end of the end plate 4, and the other group of steel belts 5 is arranged on the right side of the battery module and connected with the right end of the end plate 4;
and two steel belts 5 in each group of steel belts 5 are arranged at intervals.
In this alternative embodiment, the battery cell 3 can be fixed more stably by the two sets of steel strips 5, and at the same time, the battery cell 3 can be further fixed stably by arranging the two steel strips 5 at intervals.
In the embodiment of the present application, as an optional implementation manner, the left end of the end plate 4 and the right end of the end plate 4 each include two sets of first fixing holes 100, and each set of first fixing holes 100 includes two first fixing holes 100;
and two sets of second fixing holes 200 are formed in two ends of the steel belt 5, each set of second fixing holes 200 comprises two second fixing holes 200, and the end plate 4 is fixedly connected with the steel belt 5 through connection of the first fixing holes 100 and the second fixing holes 200.
In this alternative embodiment, the end plate 4 can be firmly coupled to the steel strip 5 through two sets of the second fixing holes 200 and two sets of the first fixing holes 100.
In the embodiment of the present application, as an optional implementation manner, two ends of the steel strip 5 are bent to form fixing portions, and the fixing portions are attached to the end plate 4;
and, the second fixing hole 200 is provided at the fixing portion.
In this alternative embodiment, the second fixing hole 200 can be provided in the fixing portion by bending both ends of the steel strip 5 to form the fixing portion and attaching the fixing portion to the end plate 4.
In the embodiment of the present application, as an alternative implementation manner, the power battery module further includes an insulating buffer pipe sleeve 9, and the insulating buffer pipe sleeve 9 is sleeved in the steel belt 5.
Further, as shown in fig. 3, 4, and 5, the first fixing hole 100 and the second fixing hole 200 are connected by a screw 6 or a rivet.
In this alternative embodiment, the insulating buffer function can be achieved by fixing the insulating buffer tube sleeve 9 to the steel strip 5.
In the embodiment of the present application, as an optional implementation manner, the power battery module further includes an insulating plate 7, and the insulating plate 7 is fixed between the steel strip 5 and the battery module.
In this optional embodiment, by fixing the insulating plate 7 between the steel strip 5 and the battery module, it is possible to prevent the battery cell 3 from being scratched, increasing the electrical gap and the creepage distance, and prevent the steel strip 5 and the end plate 4 from directly contacting the battery cell 3, which may cause an electric shock or a short circuit.
In the present embodiment, the width of the steel strip 5 is 15-30mm as an alternative embodiment.
In the present alternative embodiment, the weight of the steel strip 5 can be further reduced by setting the width of the steel strip 5 to 15 to 30mm.
In the present embodiment, the width of the steel strip 5 is 20mm as an alternative embodiment.
In the present alternative embodiment, the weight of the steel strip 5 can be further reduced by setting the width of the steel strip 5 to 20mm.
In the first aspect of the present application, as an alternative embodiment, the thickness of the steel strip 5 is 0.5mm to 2mm.
In the present alternative embodiment, the weight of the steel strip 5 can be further reduced by setting the thickness of the steel strip 5 to 0.5mm to 2mm.
In addition, this application embodiment still discloses an electric vehicle, and electric vehicle includes the power battery module of this application embodiment.
In the embodiment of the present application, since the electric vehicle has the power battery module of the first aspect of the present application, it is connected with the end plate 4 by disposing the end plate 4 at both ends around the battery module and arranging the steel belt 5 at both sides of the battery module, and a fixing ring for fixing the battery module can be formed. Compared with the prior art, this application has avoided adopting curb plate and the fixed electric core 3 of end plate 4, wherein, because the curb plate is a monoblock sheet metal, consequently its total amount is big, and this application can reduce the weight of battery module through adopting the fixed electric core 3 of the less steel band 5 of weight, and then under limited space and weight restriction, can integrate more electric cores 3 to can improve energy density.
It should be noted that the features of the embodiments in the present application may be combined with each other without conflict.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A power battery module, characterized in that includes: the battery comprises an end plate, a plurality of battery cores and a steel belt;
a plurality of the battery module is constituteed to the electric core, the end plate sets up both ends around the battery module, the steel band is laid the left and right sides of battery module, and with the end plate is connected, is used for forming and is used for fixing the retainer plate of battery module.
2. The power battery module of claim 1, wherein the power battery module comprises two sets of the steel belts, each set of the steel belts comprising two steel belts, wherein one set of the steel belts is arranged on the left side of the battery module and connected with the left end of the end plate, and the other set of the steel belts is arranged on the right side of the battery module and connected with the right end of the end plate;
and two steel belts in each group of steel belts are arranged at intervals.
3. The power battery module as claimed in claim 2, wherein the left end of the end plate and the right end of the end plate each comprise two sets of first fixing holes, and each set of the first fixing holes comprises two first fixing holes;
and two sets of second fixed orifices are arranged at the two ends of the steel belt, each set of second fixed orifices comprises two second fixed orifices, the first fixed orifices are connected with the second fixed orifices, and the end plates are fixedly connected with the steel belt.
4. The power battery module as claimed in claim 3, wherein both ends of the steel strip are bent to form fixing parts, and the fixing parts are attached to the end plates;
and the second fixing hole is provided in the fixing portion.
5. The power battery module of claim 1, further comprising an insulating buffer tube sleeved in the steel band.
6. The power battery module of claim 5, further comprising an insulating plate secured between the steel strip and the battery module.
7. The power battery module of claim 1, wherein the width of the steel strip is 15-30mm.
8. The power battery module of claim 1, wherein the width of the steel strip is 20mm.
9. The power battery module of claim 1, wherein the steel strip has a thickness of 0.5mm to 2mm.
10. An electric vehicle, characterized in that the electric vehicle comprises a power battery module according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221564446.3U CN218334152U (en) | 2022-06-21 | 2022-06-21 | Power battery module and electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221564446.3U CN218334152U (en) | 2022-06-21 | 2022-06-21 | Power battery module and electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218334152U true CN218334152U (en) | 2023-01-17 |
Family
ID=84868612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221564446.3U Active CN218334152U (en) | 2022-06-21 | 2022-06-21 | Power battery module and electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218334152U (en) |
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2022
- 2022-06-21 CN CN202221564446.3U patent/CN218334152U/en active Active
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