CN216413201U - End plate and battery - Google Patents
End plate and battery Download PDFInfo
- Publication number
- CN216413201U CN216413201U CN202123043495.0U CN202123043495U CN216413201U CN 216413201 U CN216413201 U CN 216413201U CN 202123043495 U CN202123043495 U CN 202123043495U CN 216413201 U CN216413201 U CN 216413201U
- Authority
- CN
- China
- Prior art keywords
- end plate
- circuit board
- mounting groove
- battery
- base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model discloses an end plate which is used for installing an output electrode of a battery body. The top end of the end plate is provided with a flexible circuit board and a base, wherein the circuit board mounting groove and the base mounting groove are recessed downwards on the end face of the top end of the end plate and are used for mounting a battery respectively, and the base is used for supporting an output electrode of the battery body. The circuit board mounting grooves and the base mounting grooves are arranged at intervals along the extending direction of the top end surface. The circuit board mounting slot penetrates through the thickness of the end plate, and the base mounting slot is opened at the first side part of the end plate. The simple structure of this end plate, the flexible circuit board and the base of battery can direct mount in circuit board mounting groove and pedestal mounting groove, need not increase extra spare part, reduce the space of battery, improve the energy density of battery, and flexible circuit board and pedestal mounting are also very convenient in circuit board mounting groove and pedestal mounting groove in addition, and easy operation saves the manual work.
Description
Technical Field
The utility model relates to the technical field of lithium batteries, in particular to an end plate and a battery
Background
With the popularization of new energy in China, the lithium battery industry is rapidly developed, the application of lithium batteries is more and more extensive, and the generation technology of the lithium batteries is increasingly improved. The end plates are important components distributed at both ends of the cell for supporting the cell body and internal and external connections. The existing end plate is single in function, large in structure and large in size, various parts are mounted on the end plate and used for mounting an output electrode and a flexible circuit board of a battery, a large amount of space of the battery is occupied, energy density of the battery is reduced, mounting is still inconvenient, and production efficiency of the battery is reduced seriously.
SUMMERY OF THE UTILITY MODEL
It is an object of the present invention to provide an end plate and a battery that solve the above-mentioned problems of the prior art.
In order to solve the above problems, according to one aspect of the present invention, there is provided an end plate for mounting an output electrode of a battery body, the end plate being a rectangular plate having a first side portion, a second side portion, two end portions, a top end and a bottom end, the first side portion and the second side portion being located at opposite sides. The top end of the end plate is provided with a flexible circuit board and a base, wherein the circuit board mounting groove and the base mounting groove are recessed downwards on the end face of the top end of the end plate and are used for mounting a battery respectively, and the base is used for supporting an output electrode of the battery body. The circuit board mounting grooves and the base mounting grooves are arranged at intervals along the extending direction of the top end surface. The circuit board mounting groove runs through the thickness of the end plate, namely, the first side part and the second side part are both provided with openings, and the base mounting groove is opened at the first side part of the end plate. The simple structure of this end plate, inside circuit board mounting groove and pedestal mounting groove are located the end plate, the flexible circuit board and the base of battery can direct mount in circuit board mounting groove and pedestal mounting groove, need not increase extra spare part, reduce the space of battery, improve the energy density of battery, and flexible circuit board and pedestal mounting are also very convenient in circuit board mounting groove and pedestal mounting groove in addition, and easy operation saves the manual work. The base mounting groove and the circuit board mounting groove are spaced by a certain distance and provided with a partition plate to prevent the output electrode from contacting the flexible circuit board.
In one embodiment, the first side of the end plate is provided with an inwardly recessed groove;
the bottom of the circuit board mounting groove is provided with a through hole which extends downwards and sinks, and the through hole extends to the top wall of the groove.
In one embodiment, the grooves are arranged at intervals, and the distance between two adjacent grooves is greater than 1.5 mm.
In one embodiment, the end plate is provided with a stop member, the stop member is connected to the bottom of the circuit board mounting groove and is close to a second side portion of the end plate, the stop member extends for a certain length along the extension direction of the top end face, and the second side portion of the end plate is located on the opposite surface of the first side portion of the end plate.
In one embodiment, the thickness of the stopper in the thickness direction of the end plate is greater than 1.5 mm.
In one embodiment, a side plate of the base mounting groove located at the second side portion of the end plate is provided with an escape portion recessed from a top end surface of the side plate to avoid the output electrode.
In one embodiment, an inward concave limiting groove is arranged at a corner between the first side part of the end plate and two ends of the end plate, and the limiting grooves are symmetrically arranged at two ends of the end plate.
The utility model also relates to a battery, which comprises a battery body, a base, a flexible circuit board and the end plate.
The battery body has an output electrode;
the end plate is arranged at the end part of the battery body, and the first side part of the end plate is far away from the battery body;
the base is an insulator and is arranged in the base mounting groove, and the top end of the base is connected with the output electrode;
the flexible circuit board is arranged on the battery body, and the output end of the flexible circuit board is positioned in the circuit board mounting groove;
in one embodiment, the flexible circuit board is provided with a connecting sheet, the connecting sheet is connected to the output end and exceeds two ends of the output end, and a connecting hole is formed in the position, exceeding the two ends of the output end, of the connecting sheet;
the battery further includes a connecting member disposed to pass through the connecting hole and the through hole and connecting the connecting member to the end plate.
In one embodiment, the connector is a rivet.
Drawings
Fig. 1 is an exploded view of a battery according to an embodiment of the present invention.
Fig. 2 is an end schematic view of one embodiment of the present invention.
Fig. 3 is a schematic diagram of a flexible circuit board of one embodiment of the present invention.
Fig. 4 is a partially enlarged view of a portion a in fig. 3.
Reference numerals: 100. a battery; 1. a battery body; 2. an end plate; 201. a first side portion; 202. a second side portion; 21. a circuit board mounting groove; 211. a stopper; 212. a through hole; 22. a base mounting groove; 23. a groove; 221. a first side plate; 3. a flexible circuit board; 31. an output end; 32. a connecting member; 321. connecting holes; 4. a bus bar;
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the objects, features and advantages of the utility model can be more clearly understood. It should be understood that the embodiments shown in the drawings are not intended to limit the scope of the present invention, but are merely intended to illustrate the spirit of the technical solution of the present invention.
In the following description, for the purposes of illustrating various disclosed embodiments, certain specific details are set forth in order to provide a thorough understanding of the various disclosed embodiments. One skilled in the relevant art will recognize, however, that the embodiments may be practiced without one or more of the specific details. In other instances, well-known devices, structures and techniques associated with this application may not be shown or described in detail to avoid unnecessarily obscuring the description of the embodiments.
Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
In the following description, for the purposes of clearly illustrating the structure and operation of the present invention, directional terms will be used, but terms such as "front", "rear", "left", "right", "outer", "inner", "outer", "inward", "upper", "lower", etc. should be construed as words of convenience and should not be construed as limiting terms.
The present invention relates to an end plate 2, as shown in fig. 1 and 2, the end plate 2 is used for mounting an output electrode of a battery body 1, the end plate 2 is a rectangular plate and has a first side portion 201, a second side portion 202, two end portions, a top end and a bottom end, and the first side portion 201 and the second side portion 202 are two opposite side surfaces. The top end of the end plate 2 is provided with a circuit board mounting groove 21 and a base mounting groove 22 recessed downward at the top end surface thereof, respectively for mounting the flexible circuit board 3 and the base of the battery 100, the base being for supporting the output electrode of the battery body 1. The circuit board mounting grooves 21 and the base mounting grooves 22 are arranged at intervals from each other in the extending direction of the tip end face. The circuit board mounting groove 21 extends through the thickness of the end plate 2, i.e. there is an opening in both the first side 201 and the second side 202, and the base mounting groove 22 is open only in the first side 201 of the end plate 2. This end plate 2's simple structure, circuit board mounting groove 21 and pedestal mounting groove 22 are located end plate 2's thickness, battery 100's flexible circuit board 3 and base can directly install in circuit board mounting groove 21 and pedestal mounting groove 22, need not increase extra spare part, reduce battery 100's space, improve battery 100's energy density, and flexible circuit board 3 and pedestal mounting are also very convenient in circuit board mounting groove 21 and pedestal mounting groove 22, and easy operation saves the manual work. The base mounting groove 22 and the circuit board mounting groove 21 are spaced a distance to prevent the output electrodes and the flexible circuit board 3 from contacting each other.
The curb plate of the second side 202 that is close to end plate 2 of pedestal mounting groove 22 is equipped with along its top end face sunken dodge the portion so that the output pole gets into this pedestal mounting groove 22, and the curb plate that definition pedestal mounting groove 22 is located second side 202 is first curb plate 221, and the top of first curb plate 221 is sunken certain degree of depth downwards in order to prevent that the output pole from contacting end plate 2 and causing the short circuit. In actual operation, after the end plate 2 is installed at the end of the battery 100, the base can be installed in the base installation groove 22, the output electrode of the battery 100 can extend to the upper side of the base and be connected to the base, the base is an insulator for supporting the output electrode of the battery 100 and preventing the output electrode from contacting the end plate 2 to cause short circuit, and understandably, the top surface of the avoiding portion of the first side plate 221 can be flush with the top surface of the base or lower than the top surface of the base, so as to effectively avoid the output electrode of the battery 100. An insulating sheet may be disposed on the top of the first side plate 221 to prevent the output electrode from contacting the first side plate 221, or an insulating material may be coated outside the output electrode to prevent the output electrode from contacting the end plate 2. The output pole typically employs copper or aluminum straps.
The first side 201 of the end plate 2 is provided with an inwardly recessed groove 23, as shown in fig. 2, the groove 23 may be single or multiple, and the groove 23 may effectively reduce the weight of the end plate 2. It can be understood that the grooves 23 may be in any shape and arranged in any direction, only the strength of the entire end plate 2 needs to be ensured to meet the requirements of the battery 100, the grooves 23 may penetrate through the thickness of the end plate 2, or may be opened at the first side portion 201 or the second side portion 202 of the end plate 2, in the embodiment shown in fig. 1, the grooves 23 are rectangular and opened at the first side portion 201 of the end plate 2, and a plurality of grooves 23 are arranged at intervals, and the distance between two adjacent grooves 23 is greater than 1.5mm, so as to prevent the strength of the end plate 2 from being reduced due to the excessively small distance between the grooves 23.
The bottom of the circuit board mounting groove 21 is provided with a through hole 212 extending downward, the through hole 212 extending to a top wall of one of the grooves 23, the through hole 212 being used for connection with the flexible circuit board 3 of the battery 100, as will be described in detail later.
The end plate 2 is provided with a stop member 211, the stop member 211 extends upwards from the bottom of the circuit board mounting groove 21 and is close to the second side 202 of the end plate 2, and the stop member 211 extends for a certain length along the extending direction of the top end face of the end plate 2. In the embodiment of fig. 1, the stopper 211 is elongated, the length of the stopper 211 is smaller than the length of the circuit board mounting groove 21 extending along the end plate 2, the output terminal 31 of the flexible circuit board 3 is mounted in the circuit board mounting groove 21, and a portion of the output terminal 31 is stopped by the stopper 211 to prevent the output terminal 31 from being separated from the end plate 2. It is understood that the stop member 211 can be divided into two sections to be respectively located at the two ends of the circuit board mounting groove 21 at the second side portion 202 for respectively clamping the two ends of the output terminal 31.
The stop piece 211 has certain thickness along the end plate 2 thickness direction to prevent that the output 31 of flexible circuit board 3 from crushing electric core, and the thickness of stop piece 211 along the end plate 2 thickness direction is greater than 1.5mm, and the stop piece 211 can restrict the output 31 of flexible short circuit board and break away from end plate 2, can also form supporting role to battery body 1.
Inside sunken spacing groove is equipped with at the edges and corners department between the first side 201 of end plate 2 and the both ends of end plate 2, and spacing groove symmetry lies in the both ends of end plate 2, and battery 100 and the end plate 2 installation back at both ends need be fixed with the bandage, and the spacing groove is used for settling the bandage and prevent that the outside bandage of battery body 1 from removing.
The utility model also relates to a battery 100, wherein the battery 100 comprises a battery body 1, a base, a flexible circuit board 3, an output electrode and the end plate 2.
The battery body 1, battery body 1 has the output pole, and the output pole includes positive output pole and negative output pole that is located battery body 1 both ends respectively. The end plate 2 is mounted to the end of the battery body 1 with the first side 201 of the end plate 2 away from the battery body 1 and the second side 202 of the end plate 2 close to the battery body 1. The base is an insulator and is installed in the base installation groove 22, and the top end of the base is connected to the positive output electrode or the negative output electrode of the battery body 1. In one embodiment, the end plates 2 of the present invention are mounted on both ends of the battery body 1, and the positive output electrode of the battery body 1 is connected to the base of one of the end plates 2, and the negative output electrode is connected to the base of the other end plate 2. In another embodiment, the end plate 2 of the present invention is mounted on one end of the battery body 1, and the other end of the battery body may be mounted with the end plate 2 in other manners.
The flexible circuit board 3 is mounted on the battery body 1 for detecting the temperature of the battery body 1, as shown in fig. 3 and 4, to prevent the thermal runaway phenomenon of the battery 100. The output terminal 31 of the flexible circuit board 3 is located in the board mounting groove 21. Specifically, the upper end of the battery body 1 further includes a bus bar 4, the bus bar 4 is used for supporting a bus bar connecting the positive electrode and the negative electrode of two adjacent electric cores, and the bus bar 4 is located at the top end of the battery body 1. The flexible circuit board 3 is installed in the upper end of busbar 4 and extends along the length direction of battery body 1, the output 31 of flexible circuit board 3 extends to in the circuit board mounting groove 21 of end plate 2, still be equipped with the connection piece on the flexible circuit board 3, the connection piece is connected in output 31 and is surpassed the both ends of output 31 along the direction of end plate 2 both ends, the position that the connection piece surpassed the both ends of output 31 still is equipped with connecting hole 321, the through-hole in the circuit board mounting groove 21 is aligned to the position of connecting hole 321. The battery 100 further includes a connection member 32, and the connection member 32 is disposed to pass through the connection hole 321 and the through hole 212 and connect the connection member 32 to the end plate 2. Preferably, the connection member 32 is a rivet or a bolt which can pass through the connection hole 321 and the through hole into the groove 23, and the connection member 32 and the output terminal 31 are fixed in the circuit board mounting groove 21 by a nut.
According to the utility model, the inward-concave circuit board mounting groove 21 and the base mounting groove 22 are arranged on the end plate 2, so that the space of the battery 100 is saved, the energy density of the battery 100 is improved, meanwhile, the end plate 2 is provided with a plurality of concave parts, the weight of the end plate 2 is reduced under the condition of ensuring the strength of the end plate 2, and the energy density of the battery 100 is improved.
While the preferred embodiments of the present invention have been illustrated and described in detail, it should be understood that various changes and modifications of the utility model can be effected therein by those skilled in the art after reading the above teachings of the utility model. Such equivalents are intended to fall within the scope of the claims appended hereto.
Claims (10)
1. The utility model provides an end plate, the end plate is used for installing battery body's output pole, a serial communication port, the end plate is equipped with circuit board mounting groove and pedestal mounting groove at its top end face undercut, circuit board mounting groove with pedestal mounting groove follows top end face extending direction is interval arrangement each other, circuit board mounting groove runs through the thickness of end plate, pedestal mounting groove is in the first side opening of end plate.
2. The end plate of claim 1,
the first side part of the end plate is provided with an inwards concave groove;
the bottom of the circuit board mounting groove is provided with a through hole which extends downwards and sinks, and the through hole extends to the top wall of the groove.
3. The end plate of claim 2, wherein the grooves are arranged in a plurality and spaced apart, and the distance between two adjacent grooves is greater than 1.5 mm.
4. The end plate of claim 1,
be equipped with the stop member on the end plate, the stop member connect in the bottom of circuit board mounting groove just is close to the second lateral part of end plate, the stop member is followed top end face extending direction extends certain length, the end plate the second lateral part is located the end plate the opposite face of first lateral part.
5. The end plate of claim 4, wherein the thickness of the stopper in the thickness direction of the end plate is greater than 1.5 mm.
6. The end plate of claim 4, wherein a side plate of the base mounting groove located at the second side portion of the end plate is provided with an escape portion recessed from a top end surface of the side plate to avoid the output pole.
7. The end plate of claim 1, wherein an inwardly recessed limiting groove is formed at a corner between the first side portion of the end plate and two ends of the end plate, and the limiting grooves are symmetrically located at two ends of the end plate.
8. A battery, comprising:
a battery body having an output electrode;
the end plate of claim 2, said end plate being mounted to an end of said cell body with said first side of said end plate facing away from said cell body;
the base is an insulator and is arranged in the base mounting groove, and the top end of the base is connected with the output electrode;
the flexible circuit board is arranged on the battery body, and the output end of the flexible circuit board is positioned in the circuit board mounting groove.
9. The battery according to claim 8,
the flexible circuit board is provided with connecting sheets, the connecting sheets are connected to the output end and exceed two ends of the output end, and connecting holes are formed in the positions, exceeding the two ends of the output end, of the connecting sheets;
the battery further includes a connecting member disposed to pass through the connecting hole and the through hole and connecting the connecting member to the end plate.
10. The battery of claim 9, wherein the connector is a rivet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123043495.0U CN216413201U (en) | 2021-12-02 | 2021-12-02 | End plate and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123043495.0U CN216413201U (en) | 2021-12-02 | 2021-12-02 | End plate and battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216413201U true CN216413201U (en) | 2022-04-29 |
Family
ID=81305189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123043495.0U Active CN216413201U (en) | 2021-12-02 | 2021-12-02 | End plate and battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216413201U (en) |
-
2021
- 2021-12-02 CN CN202123043495.0U patent/CN216413201U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216413201U (en) | End plate and battery | |
| CN209993660U (en) | Lithium battery module box structure | |
| EP3790080A1 (en) | Battery module and battery pack | |
| WO2023040913A1 (en) | Battery module and vehicle | |
| CN214254571U (en) | Lightweight new energy battery thermal management system | |
| CN210866417U (en) | Battery module fast dispels heat | |
| CN208014780U (en) | A kind of power battery of electric vehicle | |
| CN219642987U (en) | No module CTP battery module | |
| CN216162667U (en) | Unsettled photovoltaic terminal box in box body bottom | |
| CN218827658U (en) | Battery core cover plate assembly, battery core, battery pack and vehicle | |
| CN219267806U (en) | Battery pack structure is fixed to exempt from electric core support | |
| CN221080292U (en) | Square lithium ion battery | |
| CN219351673U (en) | Riveting type three-split photovoltaic junction box | |
| CN220474827U (en) | Wire harness isolation plate and assembly thereof | |
| CN217589323U (en) | Battery module and battery | |
| CN220569857U (en) | Lithium battery stop frame | |
| CN215578796U (en) | Integrative support is fixed in parallel connection of a plurality of batteries | |
| CN216288766U (en) | New forms of energy lithium cell electricity core layer board of easily dispelling heat | |
| CN213977918U (en) | Mother board for wet-process electric smelting | |
| CN216597773U (en) | Novel lithium cell convenient to installation | |
| CN212874656U (en) | Lithium battery module based on improved side plate and top cover connecting structure | |
| CN216750217U (en) | Electricity core installing support | |
| CN211320250U (en) | Pair-free weldment lead-acid battery pack | |
| CN209896134U (en) | Novel boats and ships lithium cell module | |
| CN220086274U (en) | Battery pack |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |