CN117335071A - battery pack - Google Patents
battery pack Download PDFInfo
- Publication number
- CN117335071A CN117335071A CN202311636843.6A CN202311636843A CN117335071A CN 117335071 A CN117335071 A CN 117335071A CN 202311636843 A CN202311636843 A CN 202311636843A CN 117335071 A CN117335071 A CN 117335071A
- Authority
- CN
- China
- Prior art keywords
- battery
- battery pack
- panel
- shell
- battery management
- 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.)
- Granted
Links
- 238000001816 cooling Methods 0.000 claims description 29
- 238000009423 ventilation Methods 0.000 claims description 25
- 238000005452 bending Methods 0.000 claims description 11
- 238000005192 partition Methods 0.000 claims description 7
- 239000000428 dust Substances 0.000 claims description 5
- 230000004308 accommodation Effects 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052802 copper Inorganic materials 0.000 abstract description 5
- 239000010949 copper Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 6
- 239000011800 void material Substances 0.000 description 4
- 238000004146 energy storage Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/298—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the wiring of battery packs
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The application discloses a battery pack. The battery pack comprises a shell, a battery module, a battery management assembly and a panel. The battery pack comprises a shell, a battery module and a battery pack, wherein the shell is provided with an accommodating space, the battery module is arranged in the accommodating space and comprises a plurality of battery cells which are sequentially arranged along the length direction of the battery pack; the battery management assembly comprises a battery management module and a wire harness, the battery management module is arranged on the shell and positioned at the end part of the battery pack in the length direction, and the wire harness is connected between the battery management module and the battery core; the panel is arranged on the shell and positioned at the end part of the battery pack in the length direction, a preset gap is formed between the panel and the shell in a surrounding mode, the battery management assembly is at least partially positioned in the preset gap, and the projection of the panel at the end part of the battery pack covers the battery management assembly. The wire harness copper bar of cross-over connection and the wire harness on the battery management system are exposed outside on the air-cooled battery package in the prior art can be solved, and the problem of potential safety hazard is caused.
Description
Technical Field
The application relates to the technical field of energy storage batteries, in particular to a battery pack.
Background
At present, the temperature control mode of the energy storage battery device is mainly to cool the battery in an air cooling mode and a liquid cooling mode. Although the liquid cooling method has higher heat control efficiency, the liquid cooling cost is generally obviously higher than that of air cooling from the initial investment, the air cooling method is the most economical, environment-friendly and safe energy storage battery device temperature control method at present, and the air cooling method mainly uses air as a cooling medium and reduces the battery temperature by utilizing convection heat exchange.
However, the existing air-cooled battery pack is not provided with a protection panel at the front end of the battery pack box, so that the bridged wire harness copper bars and the wire harness on the battery management system are exposed to the outside easily, and potential safety hazards exist.
Disclosure of Invention
The main aim of this application is to provide a battery package to solve the pencil copper bar of cross-over connection on the forced air cooling battery package among the prior art and pencil on the battery management system and expose in the outside, lead to the great problem of potential safety hazard.
According to one aspect of the application, there is provided a battery pack, including a housing and a battery module, wherein a containing space is provided on the housing, the battery module includes at least one, at least one battery module is provided in the containing space, the battery module includes a plurality of battery cells, and a plurality of battery cells are sequentially arranged along the length direction of the battery pack;
the battery pack further includes:
the battery management assembly comprises a battery management module and a wire harness, wherein the battery management module is arranged on the shell and positioned at the end part of the battery pack in the length direction, and the wire harness is connected between the battery management module and the electric core;
the panel is arranged on the shell and positioned at the end part of the battery pack in the length direction, a preset gap is formed between the panel and the shell in a surrounding mode, the battery management assembly is at least partially positioned in the preset gap, and the projection of the panel at the end part of the battery pack covers the battery management assembly.
Further, the battery pack further includes:
a first connecting member provided at a first side of the housing in a width direction, and connected between a first end of the panel and the housing;
the second connecting piece is arranged on a second side, opposite to the first side, of the width direction of the shell, and the second connecting piece is connected between a second end, opposite to the first end, of the panel and the shell.
Further, the first connector includes:
the first connecting sections comprise at least two first connecting sections, the at least two first connecting sections are arranged at intervals along the height direction of the battery pack, and a first gap is formed between every two adjacent first connecting sections;
and the second connecting section extends along the height direction of the battery pack and is connected with the first connecting section.
Further, the battery management module includes:
the shell comprises a containing cavity and an opening, the containing cavity is communicated with the opening, and the opening is arranged towards the first gap;
the circuit board is provided with a wiring port, the circuit board is arranged in the accommodating cavity, and the wiring port is positioned at the opening.
Further, the first connector further includes:
the bending sections are arranged between two adjacent first connecting sections, bend and extend towards the direction deviating from the preset gap, and at least one hole is formed in each bending section.
Further, the second connector includes:
the third connecting sections comprise at least two third connecting sections, the at least two third connecting sections are arranged at intervals along the height direction of the battery pack, and a second gap is formed between every two adjacent third connecting sections;
and the fourth connecting section extends along the height direction of the battery pack and is connected with the third connecting section.
Further, the first connecting member and the second connecting member are each provided with a mounting portion for fixing the battery pack to a predetermined structure.
Further, the battery pack further includes:
the air cooling assembly is arranged in the preset gap, and the air cooling assembly and the battery management module are arranged side by side and sequentially along the width direction of the battery pack;
the battery management module is arranged in a plate shape, and is inclined to the panel.
Further, the panel is provided with a vent hole, and the vent hole is covered with a dust screen;
the air cooling assembly comprises a fan, and the fan is arranged in the preset gap and is opposite to the vent hole.
Further, a ventilation partition plate is arranged between two adjacent battery cells, a plurality of ventilation channels are arranged on the ventilation partition plate, a plurality of ventilation grooves are formed in the two sides of the outer shell along the width direction of the battery pack, and the ventilation grooves are arranged at intervals in sequence along the length direction of the battery pack and correspond to the ventilation channels.
In this application, when this battery package of in-service use, can set up battery management module in the tip of shell along battery package length direction, connect the pencil between battery management module and electric core again, then connect the panel on the shell that has battery management assembly one end, at this moment, the projection of panel at battery package tip can cover battery management assembly to this can protect battery management module and pencil. For the battery package among the prior art, the panel of the battery package of this application at the one end setting of shell can avoid battery management assembly to expose outside, has improved the life of battery package to a certain extent to can reduce the potential safety hazard of battery package among this application to a certain extent.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
fig. 1 is a schematic structural view of a battery pack according to an embodiment of the present application;
fig. 2 is a front view of a battery pack disclosed in an embodiment of the present application;
FIG. 3 is a side view of a battery pack disclosed in an embodiment of the present application;
fig. 4 is a schematic structural view of a battery pack removal panel according to an embodiment of the present disclosure;
FIG. 5 is a schematic structural view of a first connector according to an embodiment of the present disclosure;
FIG. 6 is a schematic structural view of a second connector according to an embodiment of the present disclosure;
fig. 7 is an exploded view of a battery management module according to an embodiment of the present application.
Wherein the above figures include the following reference numerals:
10. a housing; 11. a ventilation groove; 12. a fixing hole; 20. a battery management assembly; 21. a battery management module; 211. a housing; 2111. a receiving chamber; 2112. an opening; 212. a circuit board; 213. a wiring port; 30. a panel; 301. a predetermined gap; 31. a vent hole; 40. a first connector; 41. a first connection section; 410. a first void; 42. a second connection section; 43. bending sections; 431. a hole; 50. a second connector; 51. a third connecting section; 510. a second void; 52. a fourth connecting section; 60. and a mounting part.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the authorization specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
As described in the background art, in the conventional battery pack, a protection panel is not provided at the front end of the battery pack case, and the bridged harness copper bar and the harness on the battery management system are easily exposed to the outside, which causes a potential safety hazard. Accordingly, in order to protect the exposed wire harness, the inventors of the present application devised a novel battery pack, and the battery pack of the present application will be described in detail below.
Referring to fig. 1 to 7, the present application provides a battery pack including a case 10, a battery module, a battery management assembly 20, and a panel 30.
Wherein, the housing 10 is provided with a containing space, the battery module comprises at least one battery module, and the at least one battery module is arranged in the containing space (not shown in the figure); the battery module comprises a plurality of electric cores which are sequentially arranged along the length direction of the battery pack (not shown in the figure); the battery management assembly 20 includes a battery management module 21 and a wire harness (the wire harness is not shown in the figure), the battery management module 21 is provided on the housing 10 and located at an end of the battery pack in the length direction, and the wire harness is connected between the battery management module 21 and the battery cell; the panel 30 is disposed on the housing 10 and located at an end of the battery pack in the length direction, a predetermined gap 301 is defined between the panel 30 and the housing 10, the battery management assembly 20 is at least partially located in the predetermined gap 301, and a projection of the panel 30 at the end of the battery pack covers the battery management assembly 20.
In this embodiment, the battery module includes a plurality of battery cells, and the housing 10 is provided with a receiving space. When the battery pack is actually processed, a plurality of battery cells can be sequentially arranged along the length direction of the battery pack to form a battery module, and then at least one battery module is installed in the accommodating space, so that the outer shell 10 is arranged on the periphery of the battery module in a surrounding mode. After the battery module is assembled, the panel 30 is disposed on the housing 10 and surrounds the housing 10 to form a predetermined gap 301, and at least part of the battery management assembly 20 is disposed in the predetermined gap 301. It can be seen that the panel 30 can protect the battery management assembly 20, thereby reducing the potential safety hazards of the battery management assembly.
That is, in actual use of the battery pack, the battery management module 21 may be disposed at an end of the housing 10 along the length direction of the battery pack, the wire harness may be connected between the battery management module 21 and the battery cell, and then the panel 30 may be connected to the housing 10 having one end of the battery management module 20, at this time, as can be seen from fig. 1, the projection of the panel 30 at the end of the battery pack may cover the battery management module 20, so that the battery management module 21 and the wire harness may be protected. For the battery pack in the prior art, the panel 30 of the battery pack of this embodiment disposed at one end of the housing 10 can avoid exposing the battery management assembly 20, thereby improving the service life of the battery pack to a certain extent and reducing the potential safety hazard of the battery pack in this application to a certain extent.
Further, the battery pack in the present embodiment further includes a first connector 40 and a second connector 50. Wherein the first connector 40 is disposed at a first side of the housing 10 in the width direction, and the first connector 40 is connected between the first end of the panel 30 and the housing 10; the second connection member 50 is disposed at a second side of the housing 10 opposite to the first side in the width direction, and the second connection member 50 is connected between a second end of the panel 30 opposite to the first end and the housing 10. Since the panel 30 is disposed at the end of the housing 10 along the length direction of the battery pack and the predetermined gap 301 is defined between the panel 30 and the housing 10, the connection between the panel 30 and the housing 10 can be achieved by using the first and second connection members 40 and 50 in the present embodiment. Referring to fig. 1 to 4, in the present embodiment, the first connecting member 40 is disposed on the first side of the housing 10 and connected between the first end of the panel 30 and the housing 10, and the second connecting member 50 is disposed on the second side of the housing 10 and connected between the second end of the panel 30 and the housing 10, so that not only can a predetermined gap 301 be formed between the panel 30 and the housing 10, but also the fixing strength between the panel 30 and the housing 10 can be enhanced, and the panel 30 is effectively prevented from falling off from the housing 10.
Further, the first connecting member 40 in the present embodiment includes a first connecting section 41 and a second connecting section 42. The first connecting sections 41 include at least two first connecting sections 41, the at least two first connecting sections 41 are arranged at intervals along the height direction of the battery pack, and a first gap 410 is formed between every two adjacent first connecting sections 41; the second connection section 42 extends in the height direction of the battery pack and is connected to the first connection section 41. Since the first connector 40 is disposed at the first side of the housing 10 in the width direction, the first connector 40 is connected between the first end of the panel 30 and the housing 10. Thus, the present embodiment divides the first connecting member 40 into the first connecting section 41 and the second connecting section 42. In this process, the first connecting section 41 is disposed on the first side of the housing 10 and connected between the first end of the panel 30 and the housing 10, so that the first end of the panel 30 can be fixed on the first side of the housing 10, and the second connecting section 42 extends along the height direction of the battery pack and is connected with the first connecting section 41, and the second connecting section 42 is not in contact with the housing 10, so that when a plurality of battery packs are required to be mounted in the electronic cabinet, the mounting positions of the plurality of battery packs can be defined by the presence of the second connecting section 42. Referring to fig. 3 and 5, the first connecting sections 41 of the present embodiment include two first connecting sections 41, which are disposed at intervals along the height direction of the battery pack, and when the two first connecting sections 41 are connected between the panel 30 and the housing 10, a first gap 410 is defined between the two first connecting sections 41 and the panel. The presence of the first void 410 facilitates installation of the wiring harness on the battery management assembly 20 because the battery management assembly 20 is at least partially within the predetermined gap 301 defined by the panel 30 and the housing 10. From the above description, it can be seen that the first connecting member 40 of the present application may further comprise a plurality of first connecting sections 41, which are all within the scope of the present application as long as they are other variants under the concept of the present application.
Further, the battery management module 21 in the present embodiment includes a housing 211 and a circuit board 212. Wherein housing 211 includes a receiving chamber 2111 and an opening 2112, receiving chamber 2111 being in communication with opening 2112, opening 2112 being disposed toward first void 410; the circuit board 212 is provided with a wiring port 213, the circuit board 212 is disposed in the accommodation chamber 2111, and the wiring port 213 is located at the opening 2112 (see fig. 7). The battery management module 21 is a device for monitoring the state of the battery pack, and is mainly used for intelligently managing and maintaining each battery unit so as to prevent the battery pack from being overcharged and overdischarged, and further effectively prolong the service life of the battery pack. In the present embodiment, the battery management module 21 is disposed in a predetermined gap 301 defined between the panel 30 and the case 10. Since the panel 30 is connected to the housing 10 by the first connector 40 and the second connector 50, and the first connector 40 includes the first space 410, when the opening 2112 in the battery management module 21 is disposed towards the first space 410, the connection port 213 located at the opening 2112 can be disposed towards the first space 410, so that the connection port 213 is convenient for connecting the wire harness, so as to further realize signal transmission, and can control the on or off of the circuit of the battery management module 21.
Further, the first connecting piece 40 in the present embodiment further includes a bending section 43, the bending section 43 is disposed between two adjacent first connecting sections 41 and bends and extends towards a direction away from the predetermined gap 301, and at least one hole 431 is disposed on the bending section 43. Referring to fig. 5, in this embodiment, the bending sections 43 are disposed between two adjacent first connecting sections 41, and the bending sections 43 are bent towards a direction away from the predetermined gap 301, so that the structural strength of the first connecting member 40 can be enhanced, and the wire harness can also play a role in guiding and bearing. Meanwhile, in the present embodiment, the hole 431 is provided on the bending section 43, so that the wire harness can be fixed.
Further, the second connection member 50 in the present embodiment includes a third connection section 51 and a fourth connection section 52. The third connecting sections 51 include at least two third connecting sections 51, the at least two third connecting sections 51 are arranged at intervals along the height direction of the battery pack, and a second gap 510 is formed between every two adjacent third connecting sections 51; the fourth connection section 52 extends in the height direction of the battery pack and is connected to the third connection section 51. Referring to fig. 6, the second connector 50 has the same shape and structure as the first connector 40. The present embodiment provides the second connector 50 at the second side of the width direction of the housing 10, and the second connector 50 is connected between the second end of the panel 30 and the housing 10. Since the second connection member 50 includes the third connection section 51 and the fourth connection section 52, the third connection section 51 is connected between the first end of the panel 30 and the housing 10, and the fourth connection section 52 extends in the height direction of the battery pack and is connected to the third connection section 51, and the fourth connection section 52 is not in contact with the housing 10. In this manner, the third connecting section 51 can secure the second end of the panel 30 to the second side of the housing 10, and the fourth connecting section 52 can define the mounting positions of a plurality of battery packs during the battery pack mounting process. In addition, the second gaps 510 are formed between the adjacent two third connection sections 51, so that the heat dissipation efficiency of the battery pack can be improved to some extent.
Further, the first and second connection members 40 and 50 in the present embodiment are each provided with a mounting portion 60, and the mounting portion 60 is used to fix the battery pack to a predetermined structure. As shown in fig. 1 to 6, the first connecting member 40 includes a first connecting section 41 and a second connecting section 42, the second connecting member 50 includes a third connecting section 51 and a fourth connecting section 52, and two mounting portions 60 are respectively provided on the second connecting section 42 and the fourth connecting section 52 in this embodiment, when a plurality of battery packs are required to be mounted in the electronic cabinet, after the mounting positions of the plurality of battery packs are defined by adopting the second connecting section 42 and the fourth connecting section 52, the plurality of battery packs can be mounted through the mounting portions 60 on the second connecting section 42 and the fourth connecting section 52. From the above description, it can be seen that the mounting portion 60 of the present application may also include a plurality of mounting portions, and any other modifications within the spirit of the present application are within the scope of the present application.
Further, the battery pack in the present embodiment further includes an air cooling assembly (not shown in the figure), the air cooling assembly is disposed in the predetermined gap 301, and the air cooling assembly and the battery management module 21 are disposed side by side in sequence along the width direction of the battery pack; the battery management module 21 is disposed in a plate shape, and the battery management module 21 is disposed obliquely to the panel 30. Referring to fig. 4, in this embodiment, the air cooling assembly and the battery management module 21 are both disposed in a predetermined gap 301 formed by surrounding the panel 30 and the casing 10, so that the air cooling assembly and the battery management module 21 are protected by the panel 30, and the harness connected with the air cooling assembly and the battery management module is prevented from being exposed, thereby reducing the potential safety hazard. Because the air cooling assembly and the battery management module 21 are sequentially arranged side by side along the width direction of the battery pack, and the battery management module 21 is obliquely arranged on the shell 10, the space position on the shell 10 can be effectively utilized, and the space utilization rate of the battery pack is improved to a certain extent.
Further, the panel 30 in the present embodiment is provided with a vent hole 31, and the vent hole 31 is covered with a dust screen (not shown in the figure); the air cooling assembly includes a blower disposed within the predetermined gap 301 and disposed directly opposite the vent 31. When the battery pack is actually used, a plurality of battery cells can generate more heat in the operation process, so that the internal temperature of the battery pack is increased, if the battery pack is cooled and radiated in a natural cooling mode, the whole battery pack is easy to radiate poorly, and the service life of the battery pack is reduced. In order to improve the heat dissipation efficiency of the battery pack, the embodiment is provided with the vent hole 31, the fixing hole 12 and the fan, wherein the vent hole 31 is located on the panel 30, the fixing hole 12 is located on the casing 10 and is opposite to the vent hole 31, the fan is arranged in the preset gap 301 and is opposite to the vent hole 31, and at this time, the fan is connected with the fixing hole 12. When the battery pack starts to work, the battery management module 21 detects that the temperature of the battery cells reaches a starting value, the fan is started, cooling air enters the battery pack from the vent holes 31 through driving of the fan, and then enters the battery pack through the fixing holes 12, so that each battery cell in the battery pack can be directly cooled, and cooling of the battery pack is achieved. Meanwhile, the embodiment dissipates heat of each electric core, so that the consistency of the temperatures among the electric cores can be ensured, the temperature and the temperature difference in the battery pack are effectively reduced, and the service life of the battery pack is prolonged. In addition, when the fan starts to work, the dust screen covered on the vent hole 31 can effectively block dust and dirt, and plays a dustproof role on the fan.
Further, a ventilation partition board is disposed between two adjacent cells in the present embodiment, a plurality of ventilation channels (not shown in the figure) are disposed on the ventilation partition board, a plurality of ventilation slots 11 are disposed on two sides of the housing 10 along the width direction of the battery pack, and the plurality of ventilation slots 11 are disposed at intervals in sequence along the length direction of the battery pack and correspond to the plurality of ventilation channels. In this embodiment, a ventilation partition plate with a plurality of ventilation channels is disposed between two adjacent battery cells, and a ventilation slot corresponding to the ventilation channels is disposed on the housing 10, so that the heat dissipation of the battery pack is facilitated. When the battery management module 21 detects that the temperature of the battery cell reaches the starting value, the air cooling assembly starts to exhaust air, cold air enters the battery pack from the vent hole 31, and heat is brought to the outside of the shell 10 through the vent channel and the vent groove, so that the cooling of the battery module is completed. In addition, to the shape of ventilation baffle, can design according to actual need, as long as can guarantee ventilation baffle form the wind channel between two adjacent electric cores.
From the above description, it can be seen that the above embodiments of the present application achieve the following technical effects: compared with the battery pack in the prior art, the panel with the battery management module and the air-cooling assembly arranged at one end of the battery pack makes up the defect that the wire harness copper bar bridged on the air-cooling battery pack and the wire harness on the battery management system are exposed outside, and the service life of the battery pack is prolonged to a certain extent.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are merely for convenience of distinguishing the corresponding components, and unless otherwise stated, the terms have no special meaning, and thus should not be construed as limiting the scope of the present application.
The foregoing is merely a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and variations may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims (10)
1. The utility model provides a battery package, includes shell and battery module, be provided with the accommodation space on the shell, battery module includes at least one, at least one battery module set up in the accommodation space, battery module includes a plurality of electric core, a plurality of electric core is followed the length direction of battery package arranges in proper order and sets up, its characterized in that, battery package still includes:
the battery management assembly comprises a battery management module and a wire harness, wherein the battery management module is arranged on the shell and positioned at the end part of the battery pack in the length direction, and the wire harness is connected between the battery management module and the electric core;
the panel is arranged on the shell and positioned at the end part of the battery pack in the length direction, a preset gap is formed between the panel and the shell in a surrounding mode, the battery management assembly is at least partially positioned in the preset gap, and the projection of the panel at the end part of the battery pack covers the battery management assembly.
2. The battery pack of claim 1, wherein the battery pack further comprises:
a first connecting member provided at a first side of the housing in a width direction, and connected between a first end of the panel and the housing;
the second connecting piece is arranged on a second side, opposite to the first side, of the width direction of the shell, and the second connecting piece is connected between a second end, opposite to the first end, of the panel and the shell.
3. The battery pack of claim 2, wherein the first connector comprises:
the first connecting sections comprise at least two first connecting sections, the at least two first connecting sections are arranged at intervals along the height direction of the battery pack, and a first gap is formed between every two adjacent first connecting sections;
and the second connecting section extends along the height direction of the battery pack and is connected with the first connecting section.
4. The battery pack of claim 3, wherein the battery management module comprises:
the shell comprises a containing cavity and an opening, the containing cavity is communicated with the opening, and the opening is arranged towards the first gap;
the circuit board is provided with a wiring port, the circuit board is arranged in the accommodating cavity, and the wiring port is positioned at the opening.
5. The battery pack of claim 3, wherein the first connector further comprises:
the bending sections are arranged between two adjacent first connecting sections, bend and extend towards the direction deviating from the preset gap, and at least one hole is formed in each bending section.
6. The battery pack of claim 2, wherein the second connector comprises:
the third connecting sections comprise at least two third connecting sections, the at least two third connecting sections are arranged at intervals along the height direction of the battery pack, and a second gap is formed between every two adjacent third connecting sections;
and the fourth connecting section extends along the height direction of the battery pack and is connected with the third connecting section.
7. The battery pack according to claim 2, wherein the first and second connection members are each provided with a mounting portion for fixing the battery pack to a predetermined structure.
8. The battery pack according to any one of claims 1 to 7, further comprising:
the air cooling assembly is arranged in the preset gap, and the air cooling assembly and the battery management module are arranged side by side and sequentially along the width direction of the battery pack;
the battery management module is arranged in a plate shape, and is inclined to the panel.
9. The battery pack according to claim 8, wherein the panel is provided with a vent hole, and the vent hole is covered with a dust screen;
the air cooling assembly comprises a fan, and the fan is arranged in the preset gap and is opposite to the vent hole.
10. The battery pack according to claim 1, wherein a ventilation partition plate is arranged between two adjacent battery cells, a plurality of ventilation channels are arranged on the ventilation partition plate, a plurality of ventilation grooves are formed in two sides of the outer shell along the width direction of the battery pack, and the ventilation grooves are sequentially arranged at intervals along the length direction of the battery pack and correspond to the ventilation channels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311636843.6A CN117335071B (en) | 2023-11-30 | 2023-11-30 | Battery pack |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311636843.6A CN117335071B (en) | 2023-11-30 | 2023-11-30 | Battery pack |
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| CN117335071A true CN117335071A (en) | 2024-01-02 |
| CN117335071B CN117335071B (en) | 2024-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311636843.6A Active CN117335071B (en) | 2023-11-30 | 2023-11-30 | Battery pack |
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| CN219321539U (en) * | 2022-12-02 | 2023-07-07 | 厦门海辰储能科技股份有限公司 | Hoisting piece and battery pack |
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| JP2013114951A (en) * | 2011-11-30 | 2013-06-10 | Sanyo Electric Co Ltd | Power supply device and vehicle including the same, power storage device, coupling unit |
| EP2615664A1 (en) * | 2012-01-16 | 2013-07-17 | Lithium Energy Japan | Power source unit |
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| Publication number | Publication date |
|---|---|
| CN117335071B (en) | 2024-03-12 |
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