CN219739186U - End cover assembly for battery module - Google Patents
End cover assembly for battery module Download PDFInfo
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- CN219739186U CN219739186U CN202320586104.XU CN202320586104U CN219739186U CN 219739186 U CN219739186 U CN 219739186U CN 202320586104 U CN202320586104 U CN 202320586104U CN 219739186 U CN219739186 U CN 219739186U
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- battery module
- end cover
- handle
- face
- cover body
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 239000011810 insulating material Substances 0.000 claims description 2
- 238000004146 energy storage Methods 0.000 abstract description 14
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 238000003780 insertion Methods 0.000 abstract description 2
- 230000037431 insertion Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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Abstract
The utility model discloses an end cover assembly for a battery module, which comprises an end cover body and a handle; the end cover body is provided with at least two mounting holes penetrating through the first end face and the second end face, and the mounting holes are used for mounting the electric connector; a handle is arranged on the first end face of the end cover body. The mounting holes for mounting the electric connectors are formed in the end cover assemblies on the two sides of the battery module shell, and compared with the prior stacked energy storage equipment, the stacked energy storage equipment has the advantages that the opposite interfaces and the insertion openings for electric connection are formed in the top of the shell, and the electric connectors are more convenient to overhaul. Meanwhile, the handle is arranged on the end cover assembly, compared with the handle arranged at the top of the battery module shell in the existing stacked energy storage equipment, the handle is avoided when the battery module is not required to be stacked, and the structural design is more reasonable.
Description
Technical Field
The utility model belongs to the field of batteries, and particularly relates to an end cover assembly for a battery module.
Background
In recent years, energy safety is a concern, so that hot tide of household energy storage equipment is continuously heated, and the household energy storage requirement is continuously increased. Currently, household energy storage is mainly concentrated in countries or regions of high electricity prices, such as europe, america, sun, australia, etc. Of course, for some poor african countries, such as south africa, the demand for improving the reliability of power supply by configuring the energy storage for the user is also urgent for relatively abundant families due to relatively weak local power grid facilities or natural disaster threats at times.
One of the core devices of the household energy storage equipment is a battery module (also called a battery pack), and a plurality of battery modules form a charge and discharge energy source of the household energy storage equipment in a serial or parallel mode. In general, a plurality of single batteries are connected in series or parallel or combined in series and parallel to form a group string, and a shell is arranged outside the group string to ensure that the battery module is insulated and sealed from the outside.
For example, chinese patent publication No. CN217387419U discloses a "stacked household energy storage battery", which includes a battery cabinet base, and is characterized in that: the battery cabinet base top fixedly connected with a plurality of battery modules in proper order is located the top battery module top fixedly connected with top battery control box, the battery module includes the module casing, and module casing top both sides are fixedly connected with adaptation handle respectively, and the module casing top is located and installs the interface between two adaptation handles, installs the socket with the interface looks adaptation in the module casing bottom, interface and socket interconnect between two adjacent module casings, are connected through locking screw between two adjacent module casings.
In this patent scheme, because realize electric connection to interface and socket all be located casing top and bottom between the battery module, if then break down to interface and socket department, when needing to overhaul, just can overhaul after just having to dismantle top battery control box at least, the operation is inconvenient.
Meanwhile, the top of the battery module shell is provided with the handle, and when the battery modules are stacked, the position of avoiding the handle is designed on the battery modules, so that the structure of the battery module shell is complex.
Disclosure of Invention
The utility model provides an end cover assembly for a battery module, which aims to solve the problem that the positioning structure and the electric connection structure of the battery module in the existing stacked household storage equipment are unreasonable in design.
The end cover assembly for the battery module shell comprises an end cover body and a handle;
the end cover body is provided with at least two mounting holes penetrating through the first end face and the second end face, and the mounting holes are used for mounting the electric connector; a handle is arranged on the first end face of the end cover body.
The mounting holes for mounting the electric connectors are formed in the end cover assemblies on the two sides of the battery module shell, and compared with the prior stacked energy storage equipment, the stacked energy storage equipment has the advantages that the opposite interfaces and the insertion openings for electric connection are formed in the top of the shell, and the electric connectors are more convenient to overhaul. Meanwhile, the handle is arranged on the end cover assembly, compared with the handle arranged at the top of the battery module shell in the existing stacked energy storage equipment, the handle is avoided when the battery module is not required to be stacked, and the structural design is more reasonable.
Preferably, in order to make the layout of the electrical connection lines between the battery modules more compact and reasonable, the number of the mounting holes is two, and the two mounting holes are spatially located at the upper side and the lower side of the handle respectively.
Preferably, the electrical connector mounted at the mounting hole is a double-ended electrical connector. The double-end electric connector makes external electric connection lines between the battery modules more concise.
Preferably, the number of the mounting holes is four, and the four mounting holes are respectively arranged on the upper side and the lower side of the handle in a group.
Preferably, the electrical connector mounted at the mounting hole is a single-head electrical connector. The single-head electric connector is used, a user can adjust the external connection mode of the connecting cables between the battery modules on site according to requirements, and can realize the switching between the series mode or the parallel mode between the adjacent battery modules, so that the flexibility is stronger.
Preferably, the first end face is provided with a wire passing groove. The wiring groove is formed, so that the electric connection cable can be embedded and clamped in the wiring groove, and the wiring arrangement is more reasonable.
Preferably, the third end face of the end cover body is provided with a groove, and correspondingly, the fourth end face arranged in parallel with the third end face is provided with a convex rib matched with the groove. The end cover body is provided with the grooves and the ribs for horizontal positioning between the battery modules, so that the processing and manufacturing of the battery module shell are easier.
Preferably, in order to save materials and manufacturing cost, the end cover body is of a split structure and comprises an outer guard plate and an inner lining plate; the mounting hole is arranged on the inner lining plate, the convex edge, the groove, the handle and the wire passing groove are all arranged on the outer guard plate, and the outer guard plate is located in the hollow areas on the upper side and the lower side of the handle and used for avoiding the electric connector.
Preferably, the end cover body is provided with a plurality of step through holes along the circumferential direction. Countersunk screws are arranged in the step through holes, so that the split type outer guard plate and the split type inner lining plate can be connected to form the end cover body, and meanwhile, the end cover body can be fixed on two sides of the cylinder assembly, the connecting structure is optimized, and the assembly steps are simplified.
And utilize a curb plate that is provided with a plurality of reference columns, through the grafting cooperation of reference column and step through-hole, can realize the location of two battery module vertical directions.
Preferably, in order to further improve the efficiency of end cover assembly manufacturing processing, save the cost simultaneously, end cover body, recess, bead and handle adopt plastic insulation material integrated into one piece.
Drawings
FIG. 1 is a schematic perspective view of an end cap assembly having two mounting holes according to example 1;
FIG. 2 is a schematic perspective view of the end cap assembly of FIG. 1 with a dual-ended electrical connector disposed thereon;
FIG. 3 is an exploded view of FIG. 2;
fig. 4 is a perspective view of the end cap assembly of the four single-head electrical connectors of example 2.
The reference numerals are as follows:
the novel electric connector comprises a 1-end cover body, an 11-outer guard plate, a 12-inner lining plate, a 2-handle, a 3-mounting hole, a 4-double-head electric connector, a 5-groove, a 6-bead, a 7-wire passing groove, an 8-single-head electric connector and a 9-step through hole.
Detailed Description
The technical solutions of the embodiments will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden, are within the scope of the present utility model based on the following examples.
Meanwhile, it should be noted that the positional or positional relationship indicated by the terms such as "upper, lower, inner and outer" and the like herein are based on the positional or positional relationship shown in the drawings, and are merely for convenience of description, and are not intended to indicate or imply that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the technical scheme. Furthermore, the terms "first, second, or third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The terms "mounted, connected, and coupled" should be construed broadly in this disclosure unless otherwise specifically indicated and defined, such as: can be fixedly connected, detachably connected or integrally connected: it may also be a mechanical connection, an electrical connection, or a direct connection, or may be indirectly connected through an intermediate medium, or may be a communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
A single-ended electrical connector having only one terminal is a commercially available hot plug for electrical connection.
The double-end electric connector integrates two binding posts, and is a commercially available hot plug for electric connection.
Example 1
As shown in fig. 1, the present embodiment provides an end cap assembly for a battery module, which includes an end cap body 1 and a handle 2; the end cover body 1 is provided with two mounting holes 3 penetrating through the first end face and the second end face, and the inside of the mounting holes 3 is used for mounting an electric connector; the handle 2 is arranged on the first end face of the end cover body 1.
The first end face and the second end face are the end face A and the end face B of the end cover body shown in FIG. 1;
as shown in fig. 2, the two mounting holes 3 are spatially located on the upper and lower sides of the handle 2, respectively, and the purpose of this design is to facilitate wiring. Two mounting holes 3 are respectively provided with a double-end electric connector 4, one end of the double-end electric connector 4 is connected with the double-end electric connector 4 positioned above in the lower layer battery module through a connecting cable matched with the double-end electric connector 4, and the other end of the double-end electric connector 4 positioned below in the upper layer battery module is connected with the double-end electric connector 4, so that electric connection between two stacked battery modules can be realized. The double-end electric connector 4 is used, electric signal transmission inside the battery modules is arranged in advance after the energy storage equipment leaves the factory according to the use requirement of a user, and the series connection or the parallel connection between the adjacent battery modules can be realized through one connecting cable arranged outside, so that the external electric connection circuit between the battery modules is simpler.
In addition, in this embodiment, the positioning mechanism in the horizontal direction between the battery modules is a groove 5 disposed on the third end face of the end cover body 1, and a rib 6 disposed on the fourth end face parallel to the third end face. When the battery modules are stacked, the convex rib 6 of the fourth end face of the end cover body in the upper-layer battery module and the groove 5 of the third end face of the end cover body in the lower-layer battery module can be used for mutual plug-in matching, and therefore the positioning of the battery modules in the horizontal direction is achieved.
The third end face and the fourth end face are the end face C and the end face D of the end cover body shown in FIG. 1, namely the upper end face and the lower end face of the end cover body.
In this embodiment, be provided with wire casing 7 on the first terminal surface, this design of wire casing 7 can make the connection cable inlay card wherein, and the arrangement of connection cable is more reasonable.
In this embodiment, in order to save the material and manufacturing cost of the end cover body, the end cover body 1 and the handle 2 are integrally cast from a plastic insulating material. Meanwhile, the end cover body 1 is designed to be of a split type structure and comprises 12; the mounting hole 3 is arranged on the inner lining 12 plate, the convex edge 6, the groove 5, the handle 2 and the wire passing groove 7 are arranged on the outer guard plate 11, and the upper side and the lower side of the handle 2 on the outer guard plate 11 are hollow areas for reserving space when the double-end electric connector 4 is connected with a connecting cable.
Example 2
The structure of this embodiment is basically identical to that of embodiment 1, as shown in fig. 4, and the difference is that four mounting holes 3 are provided on the end cover body 1, each of the four mounting holes 3 is located on the upper and lower sides of the handle 2, and a single-head electric connector 8 is installed at each mounting hole 3, so that when the single-head electric connector 8 is used, a user can adjust the external connection mode of the connection cables between the battery modules on site according to the requirements, and the switching between the serial mode or the parallel mode between the adjacent battery modules can be realized, so that the flexibility is stronger.
Example 3
The present embodiment is basically identical to embodiments 1 and 2 in structure, except that a plurality of stepped through holes 9 are provided in the vertical direction on the end cap body 1. Countersunk screws are arranged in the step through holes 9, so that the split type outer guard plate 11 and the split type inner lining plate 12 can be connected to form the end cover body 1, and meanwhile, the end cover body can be fixed on two sides of a cylinder body of the battery module, a connecting structure is optimized, and assembly steps are simplified.
In addition, utilize a curb plate that is provided with a plurality of reference columns, through the grafting cooperation of reference column and step through-hole, can realize the location of a plurality of battery module vertical directions, compare and adopt other modes to fix a position battery module vertical direction, this positioning mechanism is simpler, practical.
Claims (10)
1. An end cover assembly for a battery module, characterized in that: comprises an end cover body and a handle;
the end cover body is provided with at least two mounting holes penetrating through the first end face and the second end face, and the mounting holes are used for mounting the electric connector;
a handle is arranged on the first end face of the end cover body.
2. The end cap assembly for a battery module according to claim 1, wherein:
the number of the mounting holes is two, and the two mounting holes are spatially and respectively positioned on the upper side and the lower side of the handle.
3. The end cap assembly for a battery module according to claim 2, wherein: the electric connector arranged at the mounting hole is a double-head electric connector.
4. The end cap assembly for a battery module according to claim 1, wherein:
the number of the mounting holes is four, and the four mounting holes are respectively positioned on the upper side and the lower side of the handle in a group.
5. The end cap assembly for a battery module according to claim 4, wherein: the electric connector arranged at the mounting hole is a single-head electric connector.
6. The end cap assembly for a battery module according to claim 5, wherein: the first end face is provided with a wire passing groove.
7. The end cap assembly for a battery module according to any one of claims 1 to 6, wherein: the third end face of the end cover body is provided with a groove, and correspondingly, the fourth end face parallel to the third end face is provided with a groove matched convex edge.
8. The end cap assembly for a battery module according to claim 7, wherein: the end cover body is of a split structure and comprises an outer guard plate and an inner lining plate; the mounting hole is arranged on the inner lining plate, the convex edge, the groove, the handle and the wire passing groove are all arranged on the outer guard plate, and the outer guard plate is located in the hollow areas on the upper side and the lower side of the handle and used for avoiding the electric connector.
9. The end cap assembly for a battery module according to claim 8, wherein: and a plurality of step through holes are formed in the end cover body along the circumferential direction.
10. The end cap assembly for a battery module according to claim 1, wherein: the end cover body, the groove, the convex edge and the handle are integrally formed by plastic insulating materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320586104.XU CN219739186U (en) | 2023-03-23 | 2023-03-23 | End cover assembly for battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320586104.XU CN219739186U (en) | 2023-03-23 | 2023-03-23 | End cover assembly for battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219739186U true CN219739186U (en) | 2023-09-22 |
Family
ID=88030030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320586104.XU Active CN219739186U (en) | 2023-03-23 | 2023-03-23 | End cover assembly for battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219739186U (en) |
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2023
- 2023-03-23 CN CN202320586104.XU patent/CN219739186U/en active Active
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