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CN-224217634-U - Battery pack and electricity utilization device

CN224217634UCN 224217634 UCN224217634 UCN 224217634UCN-224217634-U

Abstract

The utility model relates to the technical field of batteries and discloses a battery pack and an electricity utilization device, wherein the battery pack comprises a box body, a battery pack body and an electricity utilization device, wherein the box body comprises a bottom plate and a coaming which are encircled to form a containing cavity, a guide groove is formed in the inner side of the bottom plate, the guide groove comprises a groove bottom and a notch, and a groove is formed in the side wall of the groove bottom; the mounting seats are arranged in the accommodating cavity and comprise a seat body and a matching part, the seat body is provided with a plurality of mounting positions, the matching part is connected with the seat body, penetrates through the notch and is inserted into the groove bottom, one end, far away from the seat body, of the matching part extends towards the groove, and the battery cores are arranged in the accommodating cavity and are located in the mounting positions. The mount pad can peg graft the cooperation with the guide way through the cooperation portion of self, install the mount pad with the electric core after, peg graft the mount pad with the guide way that corresponds fixedly, can realize the fixed of electric core, need not to use the binder to fix, also make electric core convenient and fast pull down in the time of being convenient for install electric core through simple reliable structure, make the battery package possess the ability that can pull down the maintenance to inside electric core.

Inventors

  • MA JIE
  • CHEN YUQI
  • LIU JIANLONG

Assignees

  • 欣旺达动力科技股份有限公司

Dates

Publication Date
20260508
Application Date
20250530

Claims (10)

  1. 1. A battery pack, comprising: A box body (1) provided with a first direction (X) and a second direction (Y) perpendicular to the first direction (X), and comprising a bottom plate (101) and a coaming (102) connected with the edge of the bottom plate (101), wherein a containing cavity (103) is formed by surrounding the bottom plate (101) and the coaming (102), and a guide groove (1011) extending along the first direction (X) is formed on one side of the bottom plate (101) facing the containing cavity (103); In a section perpendicular to the first direction (X), the guide groove (1011) comprises a groove bottom (10112) which is in contact with the bottom surface (10111) of the guide groove (1011), and a groove opening (10113) which is located on the side of the groove bottom (10112) facing away from the bottom surface (10111) of the guide groove (1011), the side wall of the groove bottom (10112) having a groove (10131) which extends in the first direction (X); The mounting seats (2) are arranged in the accommodating cavity (103) along the second direction (Y) and extend along the first direction (X), the mounting seats (2) comprise a seat body (201) and a matching part (202), a plurality of mounting positions (2011) are formed on one side, away from the bottom plate (101), of the seat body (201) along the first direction (X), the matching part (202) is connected with one side, facing the bottom plate (101), of the seat body (201), and the matching part (202) penetrates through the notch (10113) and is inserted into the groove bottom (10112), and one end, far away from the seat body (201), of the matching part (202) extends towards the groove (10131); The battery cells (4) are arranged in the accommodating cavity (103) and are located at the installation position (2011).
  2. 2. The battery pack according to claim 1, wherein an explosion-proof valve is arranged on one side of each cell (4) close to the bottom plate (101), a pressure relief hole (2012) is formed in the bottom wall of each installation position (2011), and the pressure relief hole (2012) of each installation position (2011) is arranged opposite to the explosion-proof valve of the cell (4) corresponding to the installation position (2011).
  3. 3. The battery pack according to claim 2, wherein the mounting base (2) further comprises a blocking portion (203), the blocking portion (203) is disposed on a side of the base body (201) facing away from the battery cell (4), and the blocking portion (203) is located between two adjacent pressure release holes (2012).
  4. 4. A battery pack according to any one of claims 1 to 3, wherein a plurality of first enclosure portions (2013) are provided at intervals along the first direction (X) on top of the base (201), second enclosure portions (2014) are further provided on both sides of the top of the base (201) in the second direction (Y), and the adjacent first enclosure portions (2013) and the adjacent second enclosure portions (2014) are surrounded to form the mounting position (2011).
  5. 5. A battery pack according to any one of claims 1 to 3, wherein the bottom plate (101) comprises a plate body (1012) and a plurality of guide rails (1013) extending along the first direction (X), the plurality of guide rails (1013) are arranged on the top surface of the plate body (1012) at intervals along the second direction (Y), and the guide grooves (1011) are formed by surrounding the adjacent two guide rails (1013) and the top surface of the plate body (1012).
  6. 6. The battery pack according to claim 5, wherein the guide rail (1013) has grooves (10131) on two sides and a supporting surface (10132) on the top, the engaging portion (202) includes a first engaging portion (2021) and a second engaging portion (2022) that are disposed at intervals along the second direction (Y), the first engaging portion (2021) and the second engaging portion (2022) are respectively disposed in a bending manner toward the grooves (10131) on one side, and are in plug-in engagement with the grooves (10131), and the bottom surface of the base (201) abuts against the supporting surface (10132).
  7. 7. A battery pack according to any one of claims 1 to 3, wherein the shroud (102) located at least one end of the base plate (101) in the first direction (X) is detachably connected to the base plate (101) by a fastening member (3).
  8. 8. A battery pack according to any one of claims 1 to 3, wherein the mounting base (2) further comprises an end plate (204), the end plate (204) detachably connects both ends of the base body (201) in the first direction (X), and the end plate (204) is provided on a side of the base body (201) facing away from the bottom plate (101).
  9. 9. A battery pack according to any one of claims 1 to 3, wherein the mounting locations (2011) are bonded to the corresponding cells (4) by means of an adhesive.
  10. 10. An electrical device, comprising: The battery pack of any one of claims 1 to 9; A plurality of battery cells (4) arranged in mounting positions (2011) of the mounting seat (2) of the battery pack; and the cover plate (5) is arranged at the top of the box body (1) of the battery pack.

Description

Battery pack and electricity utilization device Technical Field The utility model relates to the technical field of batteries, in particular to a battery pack and an electric device. Background Along with the continuous promotion of new energy vehicle to battery package structure succinctness and packaging efficiency requirement, the arrangement mode of electric core in the battery package is gradually by being the modular arrangement and is arranged to the no modular and evolve, and no modular scheme compares in modular scheme, and the part weight in the battery package is also lighter less, can effectively reduce the quantity and the structure complexity of the inside part of battery package. At present, in the battery pack of no mode arrangement mode, the fixed mode of electric core is the bonding generally, and the bottom of electric core passes through the adhesive and is connected with the bottom of box, and though the part is less for the battery pack of this kind of form, when the battery pack appears unusual, is difficult to dismantle the maintenance to electric core wherein generally, damages the electric core easily when dismantling the electric core alone, and the dismantlement danger is higher, only can change the battery pack with the form of whole package, leads to the battery pack to be difficult to carry out maintenance. Disclosure of utility model In view of the above, the utility model provides a battery pack and an electric device, which are used for solving the problem that the existing battery pack without a module is difficult to overhaul and maintain. The utility model provides a battery pack, which comprises a box body, a plurality of mounting seats and a plurality of battery cells, wherein the box body is provided with a first direction and a second direction perpendicular to the first direction, the second direction comprises a bottom plate and a coaming plate connected with the edge of the bottom plate, the bottom plate and the coaming plate encircle to form a containing cavity, one side of the bottom plate, which faces towards the containing cavity, is provided with a guide groove extending along the first direction, the guide groove comprises a groove bottom attached to the bottom surface of the guide groove and a groove opening positioned at one side of the groove bottom, which faces away from the bottom surface of the guide groove, on a section perpendicular to the first direction, the side wall of the groove bottom is provided with a groove extending along the first direction, the mounting seats are arranged in the containing cavity along the second direction and extend along the first direction, the mounting seats comprise a seat body and a matching part, one side, facing towards the bottom plate, of the seat body is connected with the matching part, the matching part penetrates through the groove opening and is inserted into the groove bottom, one end, far away from the seat body, of the battery cells are arranged in the containing cavity, and the mounting positions are positioned in the mounting positions. The battery pack has the advantages that the bottom plate of the box body is provided with the guide groove, the mounting seat can be in plug-in fit with the guide groove through the self matching part, after the battery cell is mounted on the mounting seat, the mounting seat is fixedly plugged with the corresponding guide groove, the fixing process of the battery cell can be realized, the battery cell is not required to be fixed by using an adhesive, the battery cell can be conveniently and rapidly detached while being mounted through a simple and reliable structure, the battery pack has the capability of detaching and maintaining the internal battery cell, and the problem that the existing battery pack without a module is difficult to overhaul and maintain is effectively solved. In an alternative implementation mode, one side, close to the bottom plate, of each battery cell is provided with an explosion-proof valve, the bottom wall of each installation position is provided with a pressure relief hole, and the pressure relief holes of the installation positions are arranged opposite to the explosion-proof valves of the battery cells corresponding to the installation positions. The electric core has the beneficial effects that when the electric core is out of control, the gas inside can be discharged outwards through the pressure relief hole after the explosion-proof valve is broken through, so that the condition of overlarge pressure inside the electric core can be avoided. In an alternative embodiment, the mounting base further comprises a blocking part, wherein the blocking part is arranged on one side of the base body, which is away from the battery cell, and the blocking part is positioned between two adjacent pressure release holes. The anti-explosion valve has the beneficial effects that the blocking part can play a role in preventing sputtering, when gas breaks