CN114843682A - Battery module and new energy automobile - Google Patents
Battery module and new energy automobile Download PDFInfo
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- CN114843682A CN114843682A CN202210522478.5A CN202210522478A CN114843682A CN 114843682 A CN114843682 A CN 114843682A CN 202210522478 A CN202210522478 A CN 202210522478A CN 114843682 A CN114843682 A CN 114843682A
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- battery
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- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 230000005611 electricity Effects 0.000 claims abstract description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 42
- 229910052802 copper Inorganic materials 0.000 claims description 42
- 239000010949 copper Substances 0.000 claims description 42
- 230000000712 assembly Effects 0.000 claims description 15
- 238000000429 assembly Methods 0.000 claims description 15
- 238000005070 sampling Methods 0.000 claims description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 4
- 230000003139 buffering effect Effects 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 6
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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
- H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
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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
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
-
- 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
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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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
A battery module and a new energy automobile relate to the technical field of vehicles. This battery module includes upper cover mechanism, rectangle bounding wall, collection subassembly and connector assembly, and two openings of collection subassembly and connector assembly cooperation closed rectangle bounding wall jointly pile up in proper order in the range of closing of rectangle bounding wall, collection subassembly and connector assembly and be provided with a plurality of electric cores, and the collection subassembly is connected with electric core and connector assembly electricity respectively, and upper cover mechanism is located the one side that the connector assembly was kept away from to the collection subassembly, and upper cover mechanism lid fits the rectangle bounding wall. The battery module and the new energy automobile can solve the problems that the battery replacing unit in the prior art is high in cost, the battery replacing station occupies a large space, and the battery replacing equipment is large in investment.
Description
Technical Field
The invention relates to the technical field of vehicles, in particular to a battery module and a new energy automobile.
Background
With the rapid development of social economy and the continuous improvement of living standard of people, new energy automobiles gradually move to thousands of households, the new energy automobile industry begins to develop rapidly, and various automobile types emerge endlessly to meet the use requirements of different consumers.
At present, a new energy automobile is influenced by battery charging power, the new energy automobile needs to be charged once or for multiple times when running for a long distance, the time consumed by single charging is generally more than one hour, and in order to solve the problem of long charging time, the new energy automobile with the quick battery replacement is provided.
In the prior art, the battery quick-change technology is mainly divided into two categories: the whole pack is used for exchanging the power and the sub pack is used for exchanging the power. The battery replacing units adopting the two battery replacing modes are both battery packs, so that the problem of high cost of the battery replacing unit exists, and a large battery replacing station and corresponding battery replacing equipment are needed during battery replacing, so that the problems of large occupied space of the battery replacing station and high price of the battery replacing equipment also exist.
Disclosure of Invention
The invention aims to provide a battery module and a new energy automobile, which can solve the problems of high cost of a battery replacement unit, large occupied space of a battery replacement station and large investment of battery replacement equipment in the prior art.
The embodiment of the invention is realized by the following steps:
in one aspect of the embodiment of the invention, a battery module is provided, which comprises an upper cover mechanism, a rectangular surrounding plate, a collection assembly and a connector assembly, wherein the collection assembly and the connector assembly are matched together to seal two openings of the rectangular surrounding plate, a plurality of battery cells are sequentially stacked in the surrounding range of the rectangular surrounding plate, the collection assembly and the connector assembly, the collection assembly is electrically connected with the battery cells and the connector assembly respectively, the upper cover mechanism is positioned on one side of the collection assembly, which is far away from the connector assembly, and the upper cover mechanism covers the rectangular surrounding plate. The battery module can solve the problems that the battery replacing unit in the prior art is high in cost, the battery replacing station occupies a large space and the battery replacing equipment is large in investment.
Optionally, the collection subassembly including gather the board body and set up in gather first flexible circuit board and sampling copper bar on the board body, be provided with the second flexible circuit board on the rectangle bounding wall, the connector subassembly include the connector body and set up in third flexible circuit board and sampling copper post on the connector body, electric core the sampling copper bar first flexible circuit board the second flexible circuit board the third flexible circuit board with the sampling copper post electricity is connected in proper order to cooperate jointly and form the collection route.
Optionally, the collection subassembly including gather the board body and set up in positive output copper bar and negative pole output copper bar on the collection board body, be provided with anodal conductive row and the conductive row of negative pole on the rectangle bounding wall, the connector subassembly include the connector body and set up in anodal copper bar and negative pole copper bar on the connector body, anodal output copper bar the negative pole conductive row the anodal copper bar the negative pole copper bar the anodal conductive row with negative pole output copper bar electricity in proper order is connected to cooperate jointly and form high voltage path.
Optionally, the upper cover mechanism comprises an upper cover body and a quick release assembly arranged on the upper cover body, and the quick release assembly is detachably connected with the fixing seat of the battery pack.
Optionally, the quick release assembly includes a handle and two sets of lifting assemblies disposed on two sides of the handle in an opposite manner along an extending direction of the handle, each set of lifting assembly includes a U-shaped pull rod and two sets of locking assemblies, two folding arms of the U-shaped pull rod are respectively connected with the two sets of locking assemblies, a connecting arm connecting the two folding arms of the U-shaped pull rod is hinged to the handle, and the handle is driven to drive the locking assemblies to move relative to the upper cover body through the U-shaped pull rod.
Optionally, each of the locking assemblies includes a first fixed block, a second fixed block and a fixed shaft, the first fixed block and the second fixed block are spaced and fixedly disposed on the upper cover body, and the folding arm of the U-shaped pull rod is hinged to a portion of the fixed shaft located between the first fixed block and the second fixed block; in the extending direction perpendicular to the handle, a through hole is formed in the first fixing block, a connecting hole is formed in the second fixing block, the first end of the fixing shaft penetrates through the through hole and extends into the connecting hole, the through hole and the connecting hole are matched together to form a movement channel, the handle is driven to pass through the U-shaped pull rod to drive the fixing shaft to reciprocate in the movement channel, and therefore the second end of the fixing shaft extends out of the upper cover body or retracts into the upper cover body.
Optionally, each locking assembly further includes an elastic member, the elastic member is accommodated in the connecting hole, two ends of the elastic member respectively abut against the first end of the fixing shaft and the inner wall surface of the connecting hole, and the elastic member is configured to provide a restoring force for the reciprocating motion of the fixing shaft in the motion channel.
Optionally, the handle includes a handle seat and a handle cover, and two holding grooves are arranged on the handle seat at intervals along an extending direction of the handle, the connecting arm of the U-shaped pull rod is held in the holding grooves, the two opposite sides of the handle seat are respectively provided with a bending portion, the handle seat and the bending portion are jointly matched to form a connecting groove, the two opposite sides of the handle cover are respectively provided with a connecting lug, and the connecting lugs are slidably arranged in the connecting groove, so that the handle cover closes an opening of the holding grooves.
Optionally, a buffering structure is arranged on a tab of each of the battery cells, and a heat sink is arranged between every two adjacent battery cells.
Optionally, the collection plate body of the collection assembly faces one side of the battery cell and is provided with a plurality of separation blades at intervals, and the cooling fins are assembled between every two adjacent separation blades in a limiting mode.
Optionally, the upper cover mechanism, the rectangular enclosing plate, the collecting plate body of the collecting assembly, and one side of the connector body of the connector assembly, which faces the battery cell, are provided with reinforcing ribs respectively.
In another aspect of the embodiment of the invention, a new energy automobile is provided, which includes the above battery module. The battery module can solve the problems that the battery replacing unit in the prior art is high in cost, the battery replacing station occupies a large space and the battery replacing equipment is large in investment.
The embodiment of the invention has the beneficial effects that:
this battery module includes upper cover mechanism, the rectangle bounding wall, collection subassembly and connector assembly, two openings of collection subassembly and connector assembly cooperation closed rectangle bounding wall jointly, at the rectangle bounding wall, it has a plurality of electric cores to pile up in proper order in the range of closing of collection subassembly and connector assembly, play certain clamping action to electric core through the rectangle bounding wall, thereby provide the restraint for the bulging force that electric core produced in the use, and then effectively reduce the deformation of electric core, be favorable to improving the life of electric core, collection subassembly is connected with electric core and connector assembly electricity respectively, form collection route and high voltage path with the cooperation, thereby ensure the normal use of battery module, upper cover mechanism is located the collection subassembly and keeps away from one side of connector assembly, and upper cover mechanism lid fits the rectangle bounding wall. In the in-service use process, the battery module can be accommodated in the box body of the battery pack, and one side of the connector assembly, which is far away from the acquisition assembly, is attached to the bottom wall of the box body of the battery pack, so that the connector assembly is matched with the upper cover mechanism to protect the internal assembly of the battery module. Compared with the quick-change technology in which the whole pack battery replacement and the sub pack battery replacement are used as the quick-change unit in the prior art, the quick-change technology in which the battery module is used as the quick-change unit can solve the problems that the battery replacement unit in the prior art is high in cost, the battery replacement station occupies a large space, and the battery replacement equipment is large in investment.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a battery module according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a rectangular enclosure according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an acquisition assembly according to an embodiment of the present invention;
fig. 4 is a second schematic structural diagram of a collecting assembly according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a connector assembly according to an embodiment of the present invention;
fig. 6 is a second schematic structural diagram of a connector assembly according to an embodiment of the present invention;
fig. 7 is a third schematic structural diagram of a connector assembly according to an embodiment of the present invention;
FIG. 8 is a schematic structural diagram of a cover mechanism according to an embodiment of the present invention;
FIG. 9 is a second schematic structural diagram of a cover mechanism according to an embodiment of the present invention;
fig. 10 is a third schematic structural diagram of a cover mechanism according to an embodiment of the present invention;
FIG. 11 is a fourth schematic structural view of the cover mechanism according to the embodiment of the present invention;
fig. 12 is a schematic structural diagram of a battery cell according to an embodiment of the present invention;
fig. 13 is a second schematic structural diagram of a battery cell according to an embodiment of the present invention.
Icon: 100-a battery module; 10-a capping mechanism; 11-an upper cover body; 12-a handle; 121-a handle seat; 1211-an accommodating tank; 1212-bending part; 122-handle cover; 1221-engaging lugs; 13-a pulling assembly; 131-a U-shaped pull rod; 132-a first fixed block; 133-a through hole; 134-a second fixed block; 135-connecting hole; 136-a fixed shaft; 137-an elastic member; 20-rectangular coaming; 21-a second flexible circuit board; 22-negative conductive bar; 30-a collection assembly; 31-collecting plate body; 311-a baffle plate; 32-a first flexible circuit board; 33-sampling copper bars; 34-positive output copper bar; 35-negative output copper bar; 40-a connector assembly; 41-connector body; 42-a third flexible circuit board; 43-sampling copper columns; 44-positive copper bar; 45-negative copper bar; 50-electric core; 51-a buffer structure; 52-a heat sink; 521-avoidance groove; and 60-reinforcing ribs.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be internal to both elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 13, an embodiment of the present application provides a battery module 100, which includes an upper cover mechanism 10, a rectangular enclosure 20, a collection assembly 30 and a connector assembly 40, where the collection assembly 30 and the connector assembly 40 cooperate together to close two openings of the rectangular enclosure 20, a plurality of battery cells 50 are sequentially stacked within an enclosure range of the rectangular enclosure 20, the collection assembly 30 and the connector assembly 40, the collection assembly 30 is electrically connected to the battery cells 50 and the connector assembly 40, the upper cover mechanism 10 is located on a side of the collection assembly 30 away from the connector assembly 40, and the upper cover mechanism 10 covers the rectangular enclosure 20. The battery module 100 can solve the problems that the battery replacing unit in the prior art is high in cost, the battery replacing station occupies a large space, and the battery replacing equipment is large in investment.
It should be noted that, as shown in fig. 1 and fig. 2, the rectangular surrounding plate 20 includes four plate bodies, the four plate bodies are sequentially connected and surrounded to form the rectangular surrounding plate 20 with two openings, the acquisition assembly 30 and the connector assembly 40 are oppositely disposed, and the acquisition assembly 30 and the connector assembly 40 are cooperatively engaged with and close the two openings of the rectangular surrounding plate 20, a plurality of battery cells 50 are sequentially stacked and disposed within the surrounding range of the rectangular surrounding plate 20, the acquisition assembly 30 and the connector assembly 40, for example, the extending direction of the battery cells 50 is the same as the connecting direction of the two openings, the stacking direction of the battery cells 50 is the same as the connecting direction of the two oppositely disposed plate bodies of the rectangular surrounding plate 20, so as to perform a certain clamping effect on the battery cells 50 through the rectangular surrounding plate 20, thereby providing a constraint for an expansion force generated by the battery cells 50 during use, further effectively reducing deformation of the battery cells 50, and facilitating to improve the service life of the battery cells 50, the collection assembly 30 is respectively electrically connected with the electric core 50 and the connector assembly 40, in order to cooperate to form a collection passage and a high-voltage passage, thereby ensuring the normal use of the battery module 100, the collection assembly 30 of the upper cover mechanism 10 is covered on the rectangular enclosing plate 20 and is far away from one side of the connector assembly 40, in the actual use process, the battery module 100 can be accommodated in the box body of the battery pack, and the side of the collection assembly 30 far away from the connector assembly 40 is attached to the bottom wall of the box body of the battery pack, thereby cooperating with the upper cover mechanism 10 to protect the internal assembly of the battery module 100. Compared with a quick-change technology in which a whole pack battery replacement and a sub pack battery replacement are used as a quick-change unit in the prior art, the quick-change technology in which the battery module 100 is used as the quick-change unit can solve the problems that the battery replacement unit in the prior art is high in cost, the battery replacement station occupies a large space, and the battery replacement equipment is large in investment.
As shown in fig. 2 to 7, in this embodiment, the collecting assembly 30 includes a collecting plate body 31, and a first flexible circuit board 32 and a sampling copper bar 33 that are disposed on the collecting plate body 31, a second flexible circuit board 21 is disposed on the rectangular bounding wall 20, the connector assembly 40 includes a connector body 41, and a third flexible circuit board 42 and a sampling copper column 43 that are disposed on the connector body 41, the battery cell 50, the sampling copper bar 33, the first flexible circuit board 32, the second flexible circuit board 21, the third flexible circuit board 42 and the sampling copper column 43 are sequentially electrically connected to form a collecting path in a common cooperation manner, so as to collect various parameters of the battery cell 50 and monitor a real-time state of the battery cell 50 through the collecting path.
As shown in fig. 2 to 7, in the present embodiment, the collecting assembly 30 includes a collecting plate body 31 and a positive electrode output copper bar 34 and a negative electrode output copper bar 35 disposed on the collecting plate body 31, a positive electrode conducting bar and a negative electrode conducting bar 22 are disposed on the rectangular bounding wall 20, the connector assembly 40 includes a connector body 41 and a positive electrode copper bar 44 and a negative electrode copper bar 45 disposed on the connector body 41, the positive electrode output copper bar 34, the negative electrode conducting bar 22, the positive electrode copper bar 44, the negative electrode copper bar 45, the positive electrode conducting bar and the negative electrode output copper bar 35 are sequentially electrically connected to form a high voltage path by common cooperation, thereby ensuring normal charging and discharging of the battery cell 50 through the high voltage path, and further ensuring normal charging and discharging of the battery module 100.
Illustratively, in this embodiment, two ends of the first flexible circuit board 32 are respectively provided with a first connector, two ends of the second flexible circuit board 21 are respectively provided with a second connector, two ends of the third flexible circuit board 42 are respectively provided with a third connector, and the first connector, the second connector and the third connector are plugged into each other, so that the first flexible circuit board 32, the second flexible circuit board 21 and the third flexible circuit board 42 are electrically connected in sequence, and further the quick-change requirements of the battery module 100 in both the structure and the electricity are met.
As shown in fig. 8 to 11, in the present embodiment, the upper cover mechanism 10 includes an upper cover body 11 and a quick release assembly disposed on the upper cover body 11, and the quick release assembly is used for being detachably connected to a fixing seat of the battery pack. The fixing seat of the battery pack can be independently and additionally arranged, and can also be a shell, a bracket or a longitudinal and transverse beam and other parts of the battery pack which are directly utilized.
It should be noted that a through hole or a bolt mounting post for bolt connection may be provided on the upper cover body 11, a metal screw may be embedded in the rectangular enclosure 20, and the upper cover body 11 and the rectangular enclosure 20 are fixedly connected by a bolt assembled in the through hole and the metal screw, so that the upper cover mechanism 10 covers the rectangular enclosure 20, and meanwhile, the connection strength between the upper cover body 11 and the rectangular enclosure 20 may be improved. In addition, one side of the upper cover body 11 facing the battery cell 50 may be provided with a groove to increase an interval between the upper cover body 11 and the charged structure of the battery module 100, thereby further improving the electrical safety performance.
As shown in fig. 8 and 9, in this embodiment, the quick release assembly includes a handle 12 and two sets of lifting assemblies 13 oppositely disposed on two sides of the handle 12 along an extending direction of the handle 12, each set of lifting assembly 13 includes a U-shaped pull rod 131 and two sets of locking assemblies, two folding arms of the U-shaped pull rod 131 are correspondingly connected to the two sets of locking assemblies, respectively, a connecting arm connecting the two folding arms of the U-shaped pull rod 131 is hinged to the handle 12, and the handle 12 is driven to drive the locking assemblies to move relative to the upper cover body 11 through the U-shaped pull rod 131. A groove may be formed on the upper cover body 11 corresponding to the U-shaped pull rod 131, so that when the U-shaped pull rod 131 is accommodated in the groove, the upper surface of the U-shaped pull rod 131 does not protrude from the upper surface of the upper cover body 11. Illustratively, the two groups of lifting assemblies 13 are symmetrically arranged with the handle 12 as a symmetry axis, so that the two groups of lifting assemblies 13 can be uniformly stressed when the handle 12 is driven, thereby facilitating the installation and the disassembly of the upper cover mechanism 10 and the fixing seat of the battery pack. Can drive two sets of subassemblies 13 of carrying through handle 12 simultaneously and carry 11 movements of upper cover body relatively, in addition, can also increase the stress area of operator palm when carrying to reduce the local pressure that the palm received, and then improve the experience of operator in the use and feel.
Specifically, as shown in fig. 8 and 9, each set of locking components includes a first fixing block 132, a second fixing block 134 and a fixing shaft 136, the first fixing block 132 and the second fixing block 134 are spaced and fixedly disposed on the upper cover body 11, and the folding arm of the U-shaped pull rod 131 is hinged to a portion of the fixing shaft 136 located between the first fixing block 132 and the second fixing block 134; in the extending direction perpendicular to the handle 12, a through hole 133 is disposed in the first fixing block 132, a connecting hole 135 is disposed in the second fixing block 134, a first end of the fixing shaft 136 passes through the through hole 133 and extends into the connecting hole 135, the through hole 133 and the connecting hole 135 cooperate together to form a movement channel, the handle 12 is driven to drive the fixing shaft 136 to reciprocate in the movement channel through the U-shaped pull rod 131, so that a second end of the fixing shaft 136 extends out of the upper cover body 11 or retracts into the upper cover body 11. Wherein, the second end of the fixing shaft 136 may be provided with a guiding portion to guide the movement between the fixing shaft 136 and the fixing seat of the battery pack, thereby facilitating the mounting and fixing between the upper cover mechanism 10 and the fixing seat of the battery pack.
As shown in fig. 9, in the embodiment, each locking assembly further includes an elastic member 137, the elastic member 137 is accommodated in the connection hole 135, two ends of the elastic member 137 respectively abut against the first end of the fixed shaft 136 and the inner wall surface of the connection hole 135, and the elastic member 137 is configured to provide a restoring force for the reciprocating motion of the fixed shaft 136 in the motion channel.
In the actual use process, when the upper cover mechanism 10 needs to be fixedly connected with the fixing seat of the battery pack, an operator can lift the handle 12, drive the fixing shaft 136 to move towards one side close to the connecting hole 135 in the moving channel through the U-shaped pull rod 131 until the second end of the fixing shaft 136 retracts into the upper cover body 11, so as to give way for the alignment between the upper cover body 11 and the fixing seat, and in the process, the elastic member 137 is continuously compressed to accumulate elastic potential energy and has a movement trend of recovering to a natural state; after the upper cover body 11 and the fixing seat are aligned, an operator only needs to release the handle 12, and the fixing shaft 136 can move towards one side far away from the connecting hole 135 in the moving channel under the reset action of the elastic piece 137 until the second end of the fixing shaft 136 extends out of the upper cover body 11 (namely correspondingly extends into the fixing hole of the fixing seat), so that the fixed connection between the upper cover mechanism 10 and the fixing seat of the battery pack is realized.
In the actual use process, when the upper cover mechanism 10 needs to be disconnected from the fixing seat of the battery pack, an operator can lift the handle 12, drive the fixing shaft 136 to move towards one side close to the connecting hole 135 in the moving channel through the U-shaped pull rod 131 until the second end of the fixing shaft 136 retracts into the upper cover body 11 (i.e. correspondingly extends out of the fixing hole of the fixing seat), so that the upper cover body 11 is disconnected from the fixing seat, and in the above process, the elastic member 137 is continuously compressed to accumulate elastic potential energy and has a moving tendency of recovering to a natural state; when the connection between the upper cover body 11 and the fixing seat is released and the operator takes the battery module 100 out of the battery pack, the operator only needs to release the handle 12, and the fixing shaft 136 can move towards the side away from the connecting hole 135 in the moving channel under the reset action of the elastic member 137 until the second end of the fixing shaft 136 extends out of the upper cover body 11, so that the battery module 100 and the battery pack are disassembled.
As shown in fig. 8 to 10, in the present embodiment, the handle 12 includes a handle seat 121 and a handle cover 122, two receiving slots 1211 are disposed on the handle seat 121 at intervals along an extending direction of the handle 12, the connecting arm of the U-shaped pull rod 131 is received in the receiving slot 1211, two opposite sides of the handle seat 121 are respectively provided with a bending portion 1212, the handle seat 121 and the bending portion 1212 cooperate to form a connecting slot, two opposite sides of the handle cover 122 are respectively provided with a connecting lug 1221, and the connecting lug 1221 is slidably disposed in the connecting slot, so that the handle cover 122 closes an opening of the receiving slot 1211. Furthermore, after the handle cover 122 and the handle seat 121 are installed in place, they can be fixedly connected by bolts, so as to prevent the handle cover 122 and the handle seat 121 from sliding relatively to each other during actual use, which would cause the U-shaped pull rod 131 to be pulled out of the receiving groove 1211.
As shown in fig. 12 and fig. 13, in this embodiment, a buffering structure 51 is disposed on a tab of each of the battery cells 50 to play a role of buffering when the tab is welded, so as to prevent the tab from being pulled and torn during welding and other possible damages caused by deformation, and a heat sink 52 is disposed between two adjacent battery cells 50 to improve a heat dissipation effect of the battery cells 50, thereby preventing thermal runaway caused by too high temperature when the battery module 100 is used.
As shown in fig. 4, the collecting plate body 31 of the collecting assembly 30 is provided with a plurality of blocking pieces 311 at intervals on one side of the battery cell 50, and the heat sink 52 is assembled between two adjacent blocking pieces 311 in a limiting manner to limit the displacement of the heat sink 52 in the stacking direction of the battery cell 50, so that the contact between the heat sink 52 and the tab of the battery cell 50 is avoided, and the electrical safety performance between the heat sink 52 and the tab of the battery cell 50 is further improved.
As shown in fig. 2, 4, 5, 6 and 11, in the present embodiment, the reinforcing ribs 60 are respectively disposed on the upper cover mechanism 10, the rectangular surrounding plate 20, the collecting plate body 31 of the collecting assembly 30, and the connector body 41 of the connector assembly 40 on the side facing the battery cell 50, so as to improve the strength of the battery module 100 and meet the design trend of reducing the weight of the battery module 100.
Further, as shown in fig. 12, in the present embodiment, an avoiding groove 521 is provided at the reinforcing rib 60 of the heat sink 52 corresponding to the collecting plate body 31 to avoid interference between the heat sink 52 and the reinforcing rib 60 on the collecting plate body 31, thereby affecting the assembly of the battery module 100.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (12)
1. The utility model provides a battery module, its characterized in that, includes upper cover mechanism, rectangle bounding wall, collection subassembly and connector assembly, the collection subassembly with the connector assembly cooperates jointly and seals two openings of rectangle bounding wall the collection subassembly with the enclosing within range of closing of connector assembly has stacked gradually and has been provided with a plurality of electric cores, the collection subassembly respectively with electric core with the connector assembly electricity is connected, upper cover mechanism is located the collection subassembly is kept away from one side of connector assembly, just upper cover mechanism lid fits the rectangle bounding wall.
2. The battery module according to claim 1, wherein the collecting assembly comprises a collecting plate body, and a first flexible circuit board and a sampling copper bar which are arranged on the collecting plate body, a second flexible circuit board is arranged on the rectangular enclosing plate, the connector assembly comprises a connector body, and a third flexible circuit board and a sampling copper column which are arranged on the connector body, and the battery core, the sampling copper bar, the first flexible circuit board, the second flexible circuit board, the third flexible circuit board and the sampling copper column are electrically connected in sequence to form a collecting passage in a matched mode.
3. The battery module according to claim 1, wherein the collecting assembly comprises a collecting plate body and a positive electrode output copper bar and a negative electrode output copper bar arranged on the collecting plate body, the rectangular surrounding plate is provided with a positive electrode conductive bar and a negative electrode conductive bar, the connector assembly comprises a connector body and a positive electrode copper bar and a negative electrode copper bar arranged on the connector body, and the positive electrode output copper bar, the negative electrode conductive bar, the positive electrode copper bar, the negative electrode copper bar, the positive electrode conductive bar and the negative electrode output copper bar are sequentially electrically connected to form a high-voltage path in a common matching manner.
4. The battery module as recited in claim 1, wherein the top cover mechanism comprises a top cover body and a quick release assembly disposed on the top cover body, and the quick release assembly is detachably connected to the fixing base of the battery pack.
5. The battery module as set forth in claim 4, wherein the quick release assembly comprises a handle and two sets of lifting assemblies oppositely disposed on two sides of the handle along an extending direction of the handle, each set of lifting assembly comprises a U-shaped pull rod and two sets of locking assemblies, two folding arms of the U-shaped pull rod are correspondingly connected with the two sets of locking assemblies respectively, a connecting arm connecting the two folding arms of the U-shaped pull rod is hinged to the handle, and the handle is driven to drive the locking assemblies to move relative to the upper cover body through the U-shaped pull rod.
6. The battery module according to claim 5, wherein each set of the locking assembly comprises a first fixing block, a second fixing block and a fixing shaft, the first fixing block and the second fixing block are spaced apart and fixedly disposed on the upper cover body, and the folding arm of the U-shaped pull rod is hinged to a portion of the fixing shaft located between the first fixing block and the second fixing block;
in the extending direction perpendicular to the handle, a through hole is formed in the first fixing block, a connecting hole is formed in the second fixing block, the first end of the fixing shaft penetrates through the through hole and extends into the connecting hole, the through hole and the connecting hole are matched together to form a movement channel, the handle is driven to pass through the U-shaped pull rod to drive the fixing shaft to reciprocate in the movement channel, and therefore the second end of the fixing shaft extends out of the upper cover body or retracts into the upper cover body.
7. The battery module as recited in claim 6, wherein each locking assembly further comprises an elastic member, the elastic member is accommodated in the connecting hole, two ends of the elastic member respectively abut against the first end of the fixing shaft and an inner wall surface of the connecting hole, and the elastic member is configured to provide a restoring force for the reciprocating movement of the fixing shaft in the movement channel.
8. The battery module according to claim 6, wherein the handle comprises a handle seat and a handle cover, two receiving slots are formed in the handle seat at intervals along an extending direction of the handle, the connecting arm of the U-shaped pull rod is received in the receiving slots, bent portions are respectively formed on two opposite sides of the handle seat, the handle seat and the bent portions cooperate to form a connecting slot, connecting lugs are respectively formed on two opposite sides of the handle cover, and the connecting lugs are slidably disposed in the connecting slot so that the handle cover closes an opening of the receiving slots.
9. The battery module according to claim 1, wherein a buffering structure is disposed on the tabs of the battery cells, and a heat sink is disposed between two adjacent battery cells.
10. The battery module according to claim 9, wherein a plurality of blocking pieces are arranged at intervals on one side of the collecting plate body of the collecting assembly facing the battery core, and the cooling fins are assembled between two adjacent blocking pieces in a limiting manner.
11. The battery module according to claim 1, wherein reinforcing ribs are respectively disposed on the upper cover mechanism, the rectangular enclosing plate, the collecting plate body of the collecting assembly, and one side of the connector body of the connector assembly, which faces the battery core.
12. A new energy automobile, characterized by comprising the battery module of any one of claims 1-11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210522478.5A CN114843682A (en) | 2022-05-13 | 2022-05-13 | Battery module and new energy automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210522478.5A CN114843682A (en) | 2022-05-13 | 2022-05-13 | Battery module and new energy automobile |
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| Publication Number | Publication Date |
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| CN114843682A true CN114843682A (en) | 2022-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210522478.5A Pending CN114843682A (en) | 2022-05-13 | 2022-05-13 | Battery module and new energy automobile |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140085890A (en) * | 2012-12-28 | 2014-07-08 | 현대자동차주식회사 | Battery module assembly for high voltage battery pack |
| CN205645963U (en) * | 2016-04-18 | 2016-10-12 | 重庆无线绿洲通信技术有限公司 | Electric automobile modularization quick change power battery unit |
| CN209843817U (en) * | 2019-07-03 | 2019-12-24 | 重庆立研汽车技术有限公司 | New energy automobile battery module that can singlehanded quick change |
| CN210296552U (en) * | 2019-09-30 | 2020-04-10 | 蜂巢能源科技有限公司 | Battery module unit with acquisition plug-in unit and power battery pack thereof |
| CN211980824U (en) * | 2020-04-30 | 2020-11-20 | 昆山宝创新能源科技有限公司 | Battery module and car |
-
2022
- 2022-05-13 CN CN202210522478.5A patent/CN114843682A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140085890A (en) * | 2012-12-28 | 2014-07-08 | 현대자동차주식회사 | Battery module assembly for high voltage battery pack |
| CN205645963U (en) * | 2016-04-18 | 2016-10-12 | 重庆无线绿洲通信技术有限公司 | Electric automobile modularization quick change power battery unit |
| CN209843817U (en) * | 2019-07-03 | 2019-12-24 | 重庆立研汽车技术有限公司 | New energy automobile battery module that can singlehanded quick change |
| CN210296552U (en) * | 2019-09-30 | 2020-04-10 | 蜂巢能源科技有限公司 | Battery module unit with acquisition plug-in unit and power battery pack thereof |
| CN211980824U (en) * | 2020-04-30 | 2020-11-20 | 昆山宝创新能源科技有限公司 | Battery module and car |
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