CN214957169U - End plate structure and battery module with same - Google Patents
End plate structure and battery module with same Download PDFInfo
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- CN214957169U CN214957169U CN202120665830.1U CN202120665830U CN214957169U CN 214957169 U CN214957169 U CN 214957169U CN 202120665830 U CN202120665830 U CN 202120665830U CN 214957169 U CN214957169 U CN 214957169U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model provides an end plate structure and battery module that has it, end plate structure are used for the battery package, and the battery package includes the battery module and is used for installing the lower casing of battery module, and battery module includes battery module and the pencil of being connected with battery module, and end plate structure includes: a plate body portion; the second fixing part is positioned on one side of the plate body part, which is far away from the electric core assembly, protrudes out of the plate body part and is used for being detachably connected with the lower shell; the end plate structure also comprises a first reinforcing rib, and the first reinforcing rib is respectively connected with the plate body part and the second fixing part; the wire harness is clamped on the first reinforcing rib through the clamping buckle; be provided with on the first strengthening rib and be used for carrying on spacing first open slot to the buckle. The utility model discloses an end plate structure has solved the lower and fixed pencil's of fixed intensity of the battery module that adopts the ribbon to fix among the prior art problem that needs occupy certain space.
Description
Technical Field
The utility model relates to a battery field particularly, relates to an end plate structure and battery module that has it.
Background
At present, electric automobile is a hot direction of current car industry development, and wherein, battery module is a very important system among the electric automobile, and battery module adopts the fixed mode of ribbon, can reduce battery module's weight, promotes battery module's energy density, promotes the space utilization who wraps the battery entirely.
However, ribbon among the ribbon battery module compares in the combination of metal side plate and metal end plate welded combination among traditional battery module with the combination of plastics end plate, and the fixed intensity that adopts the ribbon is lower, can't bear battery module's bulging force to the dimensional change who leads to battery module is great, and in addition, the pencil that the electric core subassembly in the ribbon battery module is connected with the controller passes through wire harness support and fixes, needs to occupy certain space.
SUMMERY OF THE UTILITY MODEL
A primary object of the utility model is to provide an end plate structure and battery module that has it to the support that the fixed strength of the battery module that adopts the ribbon to fix among the solution prior art need occupy certain space needs the problem.
In order to achieve the above object, according to an aspect of the present invention, there is provided an end plate structure, the end plate structure is used for a battery pack, the battery pack includes a battery module and a lower housing for mounting the battery module, the battery module includes a battery core assembly and a wire harness connected with the battery core assembly, the end plate structure includes: a plate body portion; the second fixing part is positioned on one side of the plate body part, which is far away from the electric core assembly, protrudes out of the plate body part and is used for being detachably connected with the lower shell; the end plate structure also comprises a first reinforcing rib, and the first reinforcing rib is respectively connected with the plate body part and the second fixing part; the wire harness is clamped on the first reinforcing rib through the clamping buckle; be provided with on the first strengthening rib and be used for carrying on spacing first open slot to the buckle.
Furthermore, one side of the plate body part close to the electric core assembly is an inner plate used for being in contact with the electric core assembly, a plurality of lightening holes are formed in the plate body part, and the lightening holes extend to one side of the inner plate far away from the electric core assembly.
Further, one side of the first reinforcing rib, which is close to the plate body portion, extends to the hole bottom surface of the lightening hole, and one end of the first reinforcing rib, which is far away from the plate body portion, extends towards the outer edge of the second fixing portion and is located on the inner side of the outer edge.
Furthermore, the second fixing portion is a connecting plate protruding out of the plate body portion, two mounting holes for two second fasteners to penetrate are formed in the second fixing portion, two fixing holes used for being connected with the second fasteners are formed in the lower shell, and the two second fasteners penetrate through the corresponding mounting holes and are inserted into the corresponding fixing holes.
Furthermore, the second fixing parts are multiple and are sequentially arranged at intervals along the first preset direction of the plate body part; the first reinforcing ribs are arranged in a one-to-one correspondence manner with the second fixing parts; and/or the first reinforcing rib is positioned in the middle of the first preset direction of the corresponding second fixing part.
Furthermore, a second reinforcing rib is arranged between every two adjacent lightening holes, and the wire harness is clamped on the second reinforcing rib through a clamping buckle; and a second open slot for limiting the buckle is arranged on the second reinforcing rib.
Furthermore, the first fixing portion is located on one side, away from the support base plane of the battery module, of the plate body portion and protrudes out of the plate body portion to be connected with the first ribbon of the battery module.
Furthermore, the first fixing portion is a protruding portion protruding out of the plate body portion, a first fixing hole used for being connected with a first fastener is formed in the first fixing portion, and the first fastener penetrates through the first ribbon and then is inserted into the first fixing hole.
Furthermore, the number of the first fixing parts is one, and one first fixing part is positioned in the middle of the plate body part in the first preset direction and is arranged corresponding to the first ribbon positioned in the middle of the electric core assembly in the first preset direction; or the first fixing parts are arranged at intervals in sequence along the first preset direction of the plate body part, and one of the first fixing parts is positioned in the middle of the first preset direction of the plate body part.
According to the utility model discloses an on the other hand provides a battery module, includes electric core subassembly and sets up two end plate structure in the relative both sides of electric core subassembly respectively, and each end plate structure is foretell end plate structure.
By applying the technical scheme of the utility model, the end plate structure of the utility model comprises a plate body part and a second fixing part which is positioned at one side of the plate body part, away from the cell component of the battery module and protrudes out of the plate body part, and the second fixing part is detachably connected with a lower shell used for installing the battery module; the end plate structure also comprises a first reinforcing rib connected with the plate body part and the second fixing part respectively; the wire harness of the battery module is clamped on the first reinforcing rib through the clamping buckle; be provided with on the first strengthening rib and be used for carrying on spacing first open slot to the buckle. Like this, the setting of first strengthening rib and first open slot, not only can strengthen the stability of the connection between plate body portion and the second fixed part, strengthen the stability of end plate structure, can also fix the buckle in the preset position department of first strengthening rib, as an assembly benchmark, so that make the assembler can clearly know clearly that the buckle should the joint in this preset position department, the neat pleasing to the eye of pencil has been guaranteed, the problem that the fixed strength of the battery module that adopts the ribbon to fix among the prior art is lower and the pencil support need occupy certain space is solved, make the end plate structure also can act as the effect of pencil support on the basis of playing the original function of end plate, make things convenient for arranging of the pencil in the whole battery package, thereby the space utilization of battery package has been improved, the component structure and the required space of battery module have been simplified.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows a schematic structural view of an embodiment of an end plate structure according to the invention;
FIG. 2 illustrates a side view of the endplate structure illustrated in FIG. 1;
fig. 3 is a schematic structural view illustrating a battery module having the end plate structure shown in fig. 1;
fig. 4 is a schematic view showing a structure of the battery module shown in fig. 3 when a wire harness is connected thereto;
fig. 5 is a schematic structural view illustrating a portion of a wire harness of the battery module shown in fig. 4;
fig. 6 is a schematic structural view illustrating a snap of a wire harness of the battery module shown in fig. 4;
fig. 7 shows a partially enlarged view of the battery module shown in fig. 4 at a;
fig. 8 is a schematic view illustrating a structure of a plurality of battery modules shown in fig. 4 when mounted on a lower case; and
fig. 9 shows a partially enlarged view of the battery module shown in fig. 8 at B.
Wherein the figures include the following reference numerals:
100. a battery module; 1. an end plate structure; 10. a plate body portion; 101. an inner plate; 102. lightening holes; 103. a second reinforcing rib; 1030. a second open slot; 11. a first fixed part; 110. a first fastener; 111. a first fixing hole; 12. a second fixed part; 120. a second fastener; 121. mounting holes; 13. a first reinforcing rib; 130. a first open slot; 2. an electrical core assembly; 3. a first cable tie; 30. a strap section; 31. a first segment; 32. a second section; 33. a third fastener; 4. a lower housing; 5. a second cable tie; 6. an electrical collection terminal; 7. a wire harness; 8. buckling; 81. a wire harness portion; 82. a clip portion; 821. an elastic part.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 and 9, the utility model provides an end plate structure, end plate structure are used for the battery package, and the battery package includes battery module 100 and the lower casing 4 that is used for installing battery module 100, and battery module 100 includes electric core subassembly 2 and the pencil 7 of being connected with electric core subassembly 2, and end plate structure includes: a plate body portion 10; a second fixing portion 12, the second fixing portion 12 being located on a side of the plate portion 10 away from the electric core assembly 2 and protruding from the plate portion 10, for detachably connecting with the lower housing 4; the end plate structure further comprises a first reinforcing rib 13, and the first reinforcing rib 13 is connected with the plate body part 10 and the second fixing part 12 respectively; the wire harness 7 is clamped on the first reinforcing rib 13 through a buckle 8; the first reinforcing rib 13 is provided with a first open slot 130 for limiting the buckle 8.
The end plate structure of the utility model comprises a plate body part 10 and a second fixing part 12 which is positioned at one side of the plate body part 10 far away from the battery module 100 and protrudes out of the plate body part 10, wherein the second fixing part 12 is detachably connected with a lower shell 4 for installing the battery module 100; the end plate structure further comprises a first reinforcing rib 13 connected with the plate body part 10 and the second fixing part 12 respectively; the wire harness 7 of the battery module 100 is clamped on the first reinforcing rib 13 through the buckle 8; the first reinforcing rib 13 is provided with a first open slot 130 for limiting the buckle 8. Thus, the arrangement of the first reinforcing rib 13 and the first opening groove 130 not only enhances the stability of the connection between the plate body portion 10 and the second fixing portion 12 and the stability of the end plate structure, but also fixes the clip 8 at a predetermined position of the first reinforcing rib 13 as an assembly reference, so that an assembler can clearly know that the buckle 8 should be clamped at the preset position, the tidiness and the attractiveness of the wire harness 7 are ensured, the problems that the fixing strength of a battery module fixed by a binding belt is low and the wire harness support needs to occupy a certain space in the prior art are solved, the end plate structure can also serve as the wire harness support on the basis of playing the original function of the end plate, the arrangement of the wire harness in the whole battery pack is convenient, therefore, the space utilization rate of the battery pack is improved, and the composition structure and the required space of the battery module are simplified.
Specifically, the first reinforcing rib 13 is a triangular rib, and the first open groove 130 is located on an inclined surface of the first reinforcing rib 13.
As shown in fig. 1, one side of the plate body portion 10 close to the electric core assembly 2 is an inner plate 101 for contacting the electric core assembly 2, and a plurality of lightening holes 102 are formed in the plate body portion 10, and the lightening holes 102 extend to one side of the inner plate 101 far away from the electric core assembly 2.
Specifically, the end plate structure is the integrated into one piece's of moulding plastics structure, and the setting of inner panel 101 can contact with electric core subassembly 2 to support electric core subassembly 2, the weight that can lighten the end plate structure under the prerequisite of the structural strength of assurance board body portion 10 of the setting of lightening hole 102 and reduce the consumptive material of end plate structure, with the processing cost who reduces the end plate structure.
As shown in fig. 1 and 2, a side of the first reinforcing bead 13 close to the plate body portion 10 extends to the hole bottom surface of the lightening hole 102, and an end of the first reinforcing bead 13 remote from the plate body portion 10 extends toward and is located inside an outer edge of the second fixing portion 12.
The first reinforcing beads 13 are provided in such a manner as to ensure sufficient connection stability between the plate body portion 10 and the second fixing portion 12.
Specifically, the second fixing portion 12 is a connecting plate protruding from the plate portion 10, two mounting holes 121 through which the two second fastening members 120 respectively pass are formed in the second fixing portion 12, two fixing holes for respectively connecting with the two second fastening members 120 are formed in the lower housing 4, and the two second fastening members 120 respectively pass through the corresponding mounting holes 121 and then are inserted into the corresponding fixing holes.
The second fixing portions 12 are multiple, and the multiple second fixing portions 12 are sequentially arranged at intervals along a first preset direction of the plate body portion 10; the first reinforcing ribs 13 are provided in plurality, and the plurality of first reinforcing ribs 13 and the plurality of second fixing portions 12 are provided in one-to-one correspondence; and/or the first reinforcing bead 13 is positioned in the middle of the first preset direction of the corresponding second fixing portion 12.
As shown in fig. 1, there are three second fixing portions 12, a plurality of second fixing portions 12 are sequentially arranged at intervals along the first predetermined direction of the plate body portion 10, one second fixing portion 12 is located at the middle of the first predetermined direction of the plate body portion 10, and the other two second fixing portions 12 are located at positions close to both sides of the plate body portion 10.
As shown in fig. 3, the first predetermined direction is a Y direction.
Preferably, both mounting holes 121 on the second fixing portion 12 are oblong holes to facilitate adjustment of the mounting position of the end plate structure on the lower case 4. The two mounting holes 121 are arranged at intervals in the first preset direction, and the first reinforcing rib 13 is located at a position between the two mounting holes 121 of the corresponding second fixing portion 12.
As shown in fig. 1, a second reinforcing rib 103 is arranged between two adjacent lightening holes 102, and the wire harness 7 is clamped on the second reinforcing rib 103 through a buckle 8; the second reinforcing rib 103 is provided with a second opening groove 1030 for limiting the buckle 8.
Specifically, second open slot 1030 is located the one side that inner panel 101 was kept away from to second strengthening rib 103, and the setting of second strengthening rib 103 and second open slot 1030 has increased the quantity that is used for the position of fixed pencil, makes the fixed position of pencil more nimble changeable, has also solved the lower and wire harness support of the battery module that adopts the ribbon to fix among the prior art problem that needs occupy certain space of fixed intensity, has reduced the pencil on the battery module and has taken place the possibility of rocking.
As shown in fig. 1, the end plate structure further includes a first fixing portion 11, and the first fixing portion 11 is located on one side of the plate portion 10 away from the support base of the battery module 100 and protrudes from the plate portion 10 for connecting with the first tie 3 of the battery module 100.
Specifically, the first fixing portion 11 is a protruding portion protruding from the plate portion 10, a first fixing hole 111 for connecting with a first fastening member 110 is formed in the first fixing portion 11, and the first fastening member 110 is inserted into the first fixing hole 111 after passing through the first cable tie 3.
Alternatively, the first fixing portion 11 is one, and one first fixing portion 11 is located at the middle of the plate portion 10 in the first preset direction to correspond to the first ribbon 3 located at the middle of the electric core assembly 2 in the first preset direction; or the first fixing portions 11 are plural, the plural first fixing portions 11 are sequentially arranged at intervals along the first preset direction of the plate body portion 10, and one first fixing portion 11 of the plural first fixing portions 11 is located in the middle of the first preset direction of the plate body portion 10.
As shown in fig. 1, the first fixing portions 11 are one, and one first fixing portion 11 is located in the middle of the plate body portion 10 in the first preset direction.
The end plate structure of the utility model is provided with the first fixing part 11 and the second fixing part 12, the first fixing part 11 is positioned at one side of the plate body part 10 far away from the supporting base plane of the battery module 100 and is arranged by protruding out of the plate body part 10, so as to be connected with the first ribbon 3 of the battery module 100; the second fixing part 12 is located at a side of the plate part 10 away from the cell assembly 2 of the battery module 100 and is provided to protrude from the plate part 10 for detachable connection with the lower case 4 of the battery module 100 to fix the cell assembly 2 through the end plate structure, the first band 3, and the lower case 4; the end plate structure still includes first strengthening rib 13, first strengthening rib 13 is connected with plate body portion 10 and second fixed part 12 respectively, with the stability of the connection between reinforcing plate body portion 10 and the second fixed part 12, the stability of reinforcing end plate structure, the reinforcing adopts the fixed strength of first ribbon and the fixed battery module of end plate structure, the bearing capacity of the expansibility of first ribbon and end plate structure to battery module of reinforcing, thereby it is less to guarantee battery module's dimensional change, the problem of the expansibility of battery module can't be born when solving battery module among the prior art and adopting ribbon and end plate to fix.
As shown in fig. 3 to 9, the present invention further provides a battery module, which includes a cell assembly 2 and two end plate structures 1 respectively disposed at two opposite sides of the cell assembly 2, wherein each end plate structure 1 is the above-mentioned end plate structure.
Specifically, the two end plate structures 1 are oppositely arranged along the second preset direction and are located at two opposite sides of the electric core assembly 2.
As shown in fig. 3, the second predetermined direction is the X direction.
As shown in fig. 3, a first end of the electric core assembly 2 in a third preset direction is fixed by a first cable tie 3, and the first cable tie 3 comprises two cable tie sections 30 which are oppositely arranged; each of the strap segments 30 comprises a first segment 31 extending along the second preset direction and a second segment 32 extending along the third preset direction, the first segments 31 of the two strap segments 30 are connected through a third fastener 33, and the second segments 32 of the two strap segments 30 are respectively connected with the first fixing parts 11 of the corresponding end plate structures 1; the second preset direction and the third preset direction are perpendicular to each other.
As shown in fig. 3, the third predetermined direction is the Z direction.
Specifically, the first segment 31 and the second segment 32 of each band segment 30 are both integrally formed structures, the first band 3 is a U-shaped band formed by two band segments 30 arranged oppositely, and the first band 3 is a steel band structure.
Specifically, the third preset direction is a vertical direction, the first preset direction and the second preset direction are two horizontal directions perpendicular to each other, and the first ribbon 3 is located at the upper end portion of the electric core assembly 2 so as to limit the expansion force of the upper end portion of the electric core assembly 2 in the second preset direction through the first ribbon 3.
Specifically, the first cable ties 3 are one, and one first cable tie 3 is located in the middle of the first preset direction of the electric core assembly 2 to correspond to the first fixing portion 11 located in the middle of the first preset direction of the plate body portion 10; and/or first ribbon 3 is a plurality of, and a plurality of first ribbon 3 are along the first predetermined direction of plate body portion 10 interval arrangement in proper order, and one of a plurality of first ribbon 3 is located the middle part of the first predetermined direction of electric core subassembly 2.
Preferably, the third fastening member 33 is a bolt and a nut, the first sections 31 of the two oppositely arranged band sections 30 are connected through the bolt and the nut, and the distance between the second sections 32 of the two corresponding band sections 30 can be adjusted by adjusting the position of the nut on the bolt, so as to adjust the binding force of the first band 3.
As shown in fig. 3 and 7, the electric core assembly 2 further includes two second cable ties 5, the two second cable ties 5 are spaced along a third predetermined direction and are respectively located at two opposite sides of the second fixing portion 12 to fix the electric core assembly 2, wherein the second predetermined direction and the third predetermined direction are perpendicular to each other; and/or the end plate structure 1 is the above end plate structure, the battery module further comprises an electrical acquisition end 6, and the electrical acquisition end 6 is connected with a controller of the battery module through a wire harness 7; the wire harness 7 is fixed to the end plate structure 1 by a clip 8.
Specifically, two second ribbons 5 set up respectively at electric core subassembly 2's relative both ends along the third direction of predetermineeing to all fixing the both ends of electric core subassembly 2, second ribbon 5 is the steel ribbon structure.
Specifically, the buckle 8 includes a beam portion 81 and a clamping portion 82, the beam portion 81 is configured to be sleeved on the wire harness 7 to arrange and fix the wire harness, the clamping portion 82 is configured to be clamped on the first reinforcing rib 13 or the second reinforcing rib 103 of the end plate structure 1, the clamping portion 82 includes two elastic portions 821 arranged oppositely, and when the first reinforcing rib 13 or the second reinforcing rib 103 is inserted between the two elastic portions 821, the two elastic portions 821 clamp on the first reinforcing rib 13 or the second reinforcing rib 103 by an elastic force between the two elastic portions 821.
As shown in fig. 4 and 9, the wire harness 7 comprises a main port for connecting with the controller and a plurality of branch ports for connecting with the electrical collecting terminal 6 of the electric core assembly 2, so that the electric core assembly 2 transmits related signals of voltage, current, temperature and the like to the controller through the corresponding wire harness 7, and the controller can conveniently master the working condition of the electric core assembly 2 in real time.
As shown in fig. 8 and 9, the battery pack includes a plurality of battery modules 100 and a lower case 4 for mounting the plurality of battery modules 100, the second end of the electric core assembly 2 of each battery module 100 in the third preset direction is located in the lower case 4, and each end plate structure 1 is coupled to the lower case 4 through the corresponding second fixing part 12.
Like this, through the combined action between end plate structure 1, first ribbon 3, lower casing 4 and the second ribbon 5, can fix corresponding electric core subassembly 2 in all directions effectively, strengthen the bearing capacity of first ribbon 3 and end plate structure 1 to electric core subassembly 2's bulging force to it is less to guarantee battery module's dimensional change.
As shown in fig. 9, the cell assembly 2 is formed by combining a plurality of cells sequentially arranged along a second predetermined direction and connected in parallel or in series. The lower shell 4 is provided with a plurality of mounting grooves which are sequentially arranged along a first preset direction and are in one-to-one correspondence with the plurality of cell assemblies 2, and one end, far away from the corresponding first binding belt 3, of the cell assembly 2 of each battery module 100 is positioned in the corresponding mounting groove; each electricity core subassembly 2 all corresponds and is provided with an end plate structure 1, first ribbon 3 and second ribbon 5, realizes connecting in parallel or establishing ties each other through the connecting row between a plurality of electricity core subassemblies 2 to with be connected with the controller through pencil 7, in order to form a big battery package.
From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:
the end plate structure of the utility model comprises a plate body part 10 and a second fixing part 12 which is positioned at one side of the plate body part 10 far away from the battery module 100 and protrudes out of the plate body part 10, wherein the second fixing part 12 is detachably connected with a lower shell 4 for installing the battery module 100; the end plate structure further comprises a first reinforcing rib 13 connected with the plate body part 10 and the second fixing part 12 respectively; the wire harness 7 of the battery module 100 is clamped on the first reinforcing rib 13 through the buckle 8; the first reinforcing rib 13 is provided with a first open slot 130 for limiting the buckle 8. Thus, the arrangement of the first reinforcing rib 13 and the first opening groove 130 not only enhances the stability of the connection between the plate body portion 10 and the second fixing portion 12 and the stability of the end plate structure, but also fixes the clip 8 at a predetermined position of the first reinforcing rib 13 as an assembly reference, so that an assembler can clearly know that the buckle 8 should be clamped at the preset position, the tidiness and the attractiveness of the wire harness 7 are ensured, the problems that the fixing strength of a battery module fixed by a binding belt is low and the wire harness support needs to occupy a certain space in the prior art are solved, the end plate structure can also serve as the wire harness support on the basis of playing the original function of the end plate, the arrangement of the wire harness in the whole battery pack is convenient, therefore, the space utilization rate of the battery pack is improved, and the composition structure and the required space of the battery module are simplified.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an end plate structure, end plate structure is used for the battery package, the battery package includes battery module (100) and is used for the installation lower casing (4) of battery module (100), battery module (100) including electric core subassembly (2) and with pencil (7) that electric core subassembly (2) are connected, its characterized in that, end plate structure includes:
a plate body portion (10);
the second fixing part (12) is positioned on one side, away from the electric core assembly (2), of the plate body part (10), and the second fixing part (12) is arranged to protrude out of the plate body part (10) and used for being detachably connected with the lower shell (4);
the end plate structure further comprises a first reinforcing rib (13), and the first reinforcing rib (13) is connected with the plate body part (10) and the second fixing part (12) respectively; the wire harness (7) is clamped on the first reinforcing rib (13) through a buckle (8), and a first open slot (130) used for limiting the buckle (8) is formed in the first reinforcing rib (13).
2. The end plate structure of claim 1, wherein a side of the plate body portion (10) close to the electric core assembly (2) is an inner plate (101) for contacting with the electric core assembly (2), and a plurality of lightening holes (102) are formed in the plate body portion (10), and the lightening holes (102) extend to a side of the inner plate (101) far away from the electric core assembly (2).
3. The end plate structure of claim 2, wherein a side of the first reinforcing bead (13) near the plate body portion (10) extends to a hole bottom surface of the lightening hole (102), and an end of the first reinforcing bead (13) remote from the plate body portion (10) extends toward and is located inward of an outer edge of the second fixing portion (12).
4. The end plate structure of claim 1, wherein the second fixing portion (12) is a connecting plate protruding from the plate portion (10), the second fixing portion (12) is provided with two mounting holes (121) for two second fastening members (120) to pass through respectively, the lower shell (4) is provided with two fixing holes for connecting with the two second fastening members (120) respectively, and the two second fastening members (120) are inserted into the corresponding fixing holes after passing through the corresponding mounting holes (121) respectively.
5. The end plate structure according to any one of claims 1 to 4,
the second fixing parts (12) are multiple, and the second fixing parts (12) are sequentially arranged at intervals along a first preset direction of the plate body part (10); the number of the first reinforcing ribs (13) is multiple, and the first reinforcing ribs (13) and the second fixing parts (12) are arranged in a one-to-one correspondence manner; and/or
The first reinforcing ribs (13) are located in the middle of the corresponding second fixing portion (12) in the first preset direction.
6. The end plate structure according to claim 2, wherein a second reinforcing rib (103) is provided between adjacent two of the lightening holes (102), and the wire harness (7) is clipped on the second reinforcing rib (103) by a clip (8); and a second opening groove (1030) used for limiting the buckle (8) is formed in the second reinforcing rib (103).
7. The end plate structure according to claim 1, characterized in that the end plate structure comprises a first fixing portion (11), the first fixing portion (11) being located on a side of the plate body portion (10) away from a support base of the battery module (100) and protruding from the plate body portion (10) for connection with a first tie wrap (3) of the battery module (100).
8. The end plate structure of claim 7, wherein the first fixing portion (11) is a protruding portion protruding from the plate portion (10), a first fixing hole (111) for connecting with a first fastening member (110) is formed in the first fixing portion (11), and the first fastening member (110) is inserted into the first fixing hole (111) after passing through the first cable tie (3).
9. The end plate structure according to claim 7 or 8,
the number of the first fixing parts (11) is one, and one first fixing part (11) is positioned in the middle of the plate body part (10) in the first preset direction and corresponds to the first cable tie (3) positioned in the middle of the electric core assembly (2) in the first preset direction; or
The first fixing parts (11) are arranged in a plurality of intervals in sequence along a first preset direction of the plate body part (10), and one of the first fixing parts (11) is arranged in the middle of the first preset direction of the plate body part (10).
10. A battery module comprising a cell assembly (2) and two end plate structures (1) respectively disposed on opposite sides of the cell assembly (2), wherein each of the end plate structures (1) is the end plate structure of any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120665830.1U CN214957169U (en) | 2021-03-31 | 2021-03-31 | End plate structure and battery module with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120665830.1U CN214957169U (en) | 2021-03-31 | 2021-03-31 | End plate structure and battery module with same |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023226618A1 (en) * | 2022-05-23 | 2023-11-30 | 宁德时代新能源科技股份有限公司 | Battery fixing structure, battery and electric device |
| WO2024027430A1 (en) * | 2023-04-24 | 2024-02-08 | 武汉亿纬储能有限公司 | Battery module fixing end plate and battery module |
| WO2024093728A1 (en) * | 2022-11-03 | 2024-05-10 | 蜂巢能源科技股份有限公司 | Module end plate and battery pack |
-
2021
- 2021-03-31 CN CN202120665830.1U patent/CN214957169U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023226618A1 (en) * | 2022-05-23 | 2023-11-30 | 宁德时代新能源科技股份有限公司 | Battery fixing structure, battery and electric device |
| WO2024093728A1 (en) * | 2022-11-03 | 2024-05-10 | 蜂巢能源科技股份有限公司 | Module end plate and battery pack |
| WO2024027430A1 (en) * | 2023-04-24 | 2024-02-08 | 武汉亿纬储能有限公司 | Battery module fixing end plate and battery module |
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