CN206558598U - The attachment structure and battery module of a kind of battery electrode column and bus-bar - Google Patents
The attachment structure and battery module of a kind of battery electrode column and bus-bar Download PDFInfo
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- CN206558598U CN206558598U CN201720225102.2U CN201720225102U CN206558598U CN 206558598 U CN206558598 U CN 206558598U CN 201720225102 U CN201720225102 U CN 201720225102U CN 206558598 U CN206558598 U CN 206558598U
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- bar
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- attachment structure
- catching groove
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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
Abstract
The utility model is related to cell art, more particularly to a kind of battery electrode column and bus-bar attachment structure and battery module.Technical problem to be solved in the utility model be how to avoid battery module in production problem, the problem includes: rosin joint, welding and the problem that wastes time and energy partially.The attachment structure includes:The welding position that catching groove is arranged on bus-bar with one detained in pearl, the catching groove and the button pearl, another is correspondingly arranged at the welding position of pole, and the catching groove can clamp the button pearl.The utility model, which is realized, prevents the skew of pole and bus-bar, it is to avoid weldering and the generation of rosin joint partially, time saving and energy saving, improves the production efficiency of battery module.
Description
Technical field
The utility model is related to cell art, more particularly to a kind of battery electrode column and bus-bar attachment structure and electricity
Pond module.
Background technology
The problems of connection of pole and bus-bar in existing battery module:Battery core in battery module is neat
Put, the pole being connected with battery core is put neatly, will conflux and drain into relevant position in pallet, then by pallet and pallet
Bus-bar is integrally lain in battery core and pole.After being well placed, manually by bus-bar and the welding center alignment of pole, folder is used
Tool covers pallet and compresses bus-bar and pole, due to extruding, the welding center of bus-bar and pole can be caused to offset, needed
Manually to adjust again, can not also ensure that each pole is fitted and caused well with bus-bar while wasting time and energy
Rosin joint, is welded after the alignment of welding center, due to by the way of first putting and reusing and welded after clamp pressing, easily
Cause the inclined weldering of pole and bus-bar.
Utility model content
Technical problem to be solved in the utility model is in view of the shortcomings of the prior art there is provided a kind of battery electrode column with converging
Flow the attachment structure and battery module of row.
The technical scheme that the utility model solves above-mentioned technical problem is as follows:A kind of connection knot of battery electrode column and bus-bar
Structure, including:The welding position that catching groove is arranged on bus-bar with one detained in pearl, the catching groove and the button pearl, another is right
The welding position of pole should be arranged on, the catching groove can clamp the button pearl.
The beneficial effects of the utility model are:By catching groove and button pearl in one be arranged on bus-bar welding position, separately
One be arranged on pole welding position, catching groove clamp button pearl realize that the stable connection of pole and bus-bar is firm, pole and
Bus-bar it is fast and accurate for positioning, connected mode is time saving and energy saving, so as to prevent the skew of pole and bus-bar in follow-up welding,
Weldering partially and the generation of rosin joint are avoided, the connection speed of pole and bus-bar is lifted and then the production effect of battery module can be improved
Rate.
On the basis of above-mentioned technical proposal, the utility model can also do following improvement:
Further, in addition to elastic circlip, the elastic circlip is connected in the catching groove and can clamp the button pearl.
Beneficial effect using above-mentioned further scheme is:Button pearl is clamped by the elastic circlip being connected in catching groove real
Now button pearl and catching groove are stably connected with, and then realize that the stable connection of pole and bus-bar is firm.
Further, the catching groove includes cylindrical groove and ring part, and the cylindrical groove is provided with close to the cell wall of notch
Along its circumferentially and two openings inside and outside cell wall through the cylindrical groove, two symmetrical cloth of the opening
Put;The ring part is arranged on the outside of the cylindrical groove, has toroidal cavity between the cylindrical groove and ring part;It is described
Elastic circlip includes two straight line springs and an arc spring, and one end of two straight line springs connects the two ends of arc spring, two respectively
Straight line spring is connected at above-mentioned two opening respectively, and arc spring is located at toroidal cavity, and button pearl is clamped in by the elasticity of elastic circlip
Between two straight line springs.
Beneficial effect using above-mentioned further scheme is:By the clamping relation of elastic circlip and catching groove, elasticity is utilized
The elasticity of jump ring, which will be detained pearl and is clamped in, realizes being stably connected with for button pearl and catching groove between the straight line spring of elastic circlip, and then realizes pole
The stable connection of post and bus-bar is firm.
Further, the elastic circlip also includes two S coil springs, and one end of described two S coil springs connects two directly respectively
One end of coil spring, the other end of two S coil springs connects the two ends of arc spring respectively, and described two S coil springs are located at toroidal cavity.
Beneficial effect using above-mentioned further scheme is:Elastic circlip cathetus spring is added by two S coil springs
Elasticity and chucking power, so as to stably and firmly clamp button pearl, realize that the stable connection of pole and bus-bar is firm, pole
Fast and accurate for positioning with bus-bar, connected mode is time saving and energy saving.
Further, described two straight line springs, two S coil springs and arc spring are to be integrally formed.
Beneficial effect using above-mentioned further scheme is:It is integrally formed and is added in elastic circlip directly by elastic circlip
The elasticity and chucking power of coil spring, so as to stably and firmly clamp button pearl, realize the stable connection jail of pole and bus-bar
Lean on.
Further, there is the ring-shaped depression area caved inward on the button pearl lateral surface, the straight line spring is clamped in described
In depressed area.
Beneficial effect using above-mentioned further scheme is:It is clamped in have on button pearl lateral surface by straight line spring and concaves
The more stable firm of straight line spring clamping button pearl clamping is realized in sunken ring-shaped depression area, the stable connection of pole and bus-bar is realized
It is firm.
Further, the button pearl includes hemispherical configuration and cylindrical-shaped structure, the middle part on the convex surface of hemispherical configuration and circle
The middle part of one end of column structure connects to form junction, and the depressed area is located at the junction.
Beneficial effect using above-mentioned further scheme is:By the company for detaining hemispherical configuration and cylindrical-shaped structure in pearl
Connect to form junction, depressed area is located at the junction and realizes that straight line spring is clamped in more stable firm, the reality clamped in depressed area
The stable connection of existing pole and bus-bar is firm.
Further, the other end of the cylindrical-shaped structure and the welding position of bus-bar or the welding position of pole are connected.
Beneficial effect using above-mentioned further scheme is:Pass through the other end of cylindrical-shaped structure and bus-bar or pole
Annexation realize straight line spring be clamped in depressed area clamp it is more stable firm.
The technical scheme that the utility model solves above-mentioned technical problem is as follows:A kind of battery module, including it is any as described above
Attachment structure, bus-bar, pole and the battery core of battery electrode column and bus-bar described in embodiment, the two ends point of the battery core top surface
Not She Zhi a pole, the welding positions of two poles passes through attachment structure welding position corresponding with bus-bar and connected.
The beneficial effects of the utility model are:Pole and bus-bar are accurately positioned by attachment structure, realize pole and
The rapidly and accurately connection of bus-bar, connected mode is time saving and energy saving, so as to prevent the inclined of pole and bus-bar in follow-up welding
Move, it is to avoid the connection speed of weldering and the generation of rosin joint partially, lifting pole and bus-bar and then the production efficiency for improving battery module.
One pole is set respectively by the two ends of battery core top surface, the connection in series-parallel of battery core is realized, so as to improve the power supply energy of battery module
Power.
Further, when button pearl, which is arranged on the welding position of bus-bar, catching groove, is arranged on the welding position of pole, bus-bar
It is fixedly connected or is integrally formed with button pearl, the setting that caves inward is formed catching groove by the one end of pole away from battery core;When button pearl is set
When the welding position of pole, catching groove are arranged on the welding position of bus-bar, pole is fixedly connected or is integrally formed with button pearl, detains
Groove is formed by the setting that caves inward of bus-bar one side.
Beneficial effect using above-mentioned further scheme is:Realize that pole and the firm of bus-bar connect by being integrally formed
Connect, cave inward to set by catching groove and realize being stably connected with for pole and bus-bar, accelerate the connection speed of pole and bus-bar,
Lift the production efficiency of battery module.
Further, the bus-bar uses conductive material.
Beneficial effect using above-mentioned further scheme is:Realized by bus-bar using conductive material and improve battery module
Operating efficiency and power supply capacity.
Further, the bus-bar uses aluminum alloy materials.
Beneficial effect using above-mentioned further scheme is:Realized and saved into using aluminum alloy materials by bus-bar
This, improves the operating efficiency and power supply capacity of battery module.
Further, in addition to pallet, the battery core is multiple, and pallet fixes the multiple battery core.
Beneficial effect using above-mentioned further scheme is:Multiple battery cores are fixed by pallet, battery module is realized
It is stably connected with, influence of the external environment condition to the stability of battery module is reduced during production or use.
Further, the battery core that the side of the battery core is placed side by side with the contacts side surfaces of battery core with being formed, pallet will be arranged side by side
The periphery for the multiple battery cores placed is fixed.
Brief description of the drawings
The battery electrode column and the attachment structure of bus-bar that Fig. 1 provides for the utility model embodiment are in showing for connection status
It is intended to;
The battery electrode column and the attachment structure of bus-bar that Fig. 2 provides for the utility model embodiment are in the A of connection status
To sectional view;
The section view signal of pearl is detained in battery electrode column and the attachment structure of bus-bar that Fig. 3 provides for the utility model embodiment
Figure;
The section view of elastic circlip in battery electrode column and the attachment structure of bus-bar that Fig. 4 provides for the utility model embodiment
Schematic diagram;
Elastic circlip and button in battery electrode column and the attachment structure of bus-bar that Fig. 5 provides for the utility model embodiment
The assembled relation schematic diagram of groove;
The battery electrode column and the end-state of the attachment structure of bus-bar that Fig. 6 provides for the embodiment of the utility model one are illustrated
Figure;
The battery electrode column and the original state of the attachment structure of bus-bar that Fig. 7 provides for the embodiment of the utility model one are illustrated
Figure;
The battery electrode column and the end-state of the attachment structure of bus-bar that Fig. 8 provides for another embodiment of the utility model show
It is intended to;
The battery electrode column and the original state of the attachment structure of bus-bar that Fig. 9 provides for another embodiment of the utility model show
It is intended to;
Battery core schematic top plan view in the battery module that Figure 10 provides for the utility model embodiment;
The schematic perspective view for the battery module that Figure 11 provides for the utility model embodiment.
In accompanying drawing, the list of parts representated by each label is as follows:
1st, straight line spring, 2, S coil springs, 3, arc spring, 4, cylindrical groove, 5, ring part, 6, opening, 7, cylindrical-shaped structure, 8,
Hemispherical configuration, 9, catching groove, 10, toroidal cavity, 11, bus-bar, 12, battery core, 13, pole.
Embodiment
Principle of the present utility model and feature are described below in conjunction with accompanying drawing, example is served only for explaining this practicality
It is new, it is not intended to limit scope of the present utility model.
A kind of battery electrode column and the attachment structure of bus-bar that the embodiment of the utility model one is provided, including:Catching groove 9 and button
The welding position that pearl, the catching groove 9 and one detained in pearl are arranged on bus-bar 11, another is correspondingly arranged at pole 13
Welding position, the catching groove 9 can clamp the button pearl.
Battery electrode column and the attachment structure of bus-bar that the utility model embodiment is provided, pass through in catching groove 9 and button pearl one
The individual welding position for being arranged on bus-bar 11, another is arranged on the welding position of pole 13, and catching groove 9 clamps button pearl and realizes pole
The stable connection of post 13 and bus-bar 11 is firm, pole 13 and bus-bar 11 it is fast and accurate for positioning, connected mode is time saving and energy saving,
So as to prevent the skew of pole 13 and bus-bar 11 in follow-up welding, it is to avoid weldering and the generation of rosin joint partially, the He of pole 13 is lifted
The connection speed of bus-bar 11 and then the production efficiency that battery module can be improved.
A kind of battery electrode column and the attachment structure of bus-bar that another embodiment of the utility model is provided, including:Catching groove 9,
Detain one in pearl and elastic circlip, the catching groove 9 and the button pearl welding position for being arranged on bus-bar 11, another correspondence
The welding position of pole 13 is arranged on, the elastic circlip is connected in the catching groove 9 and can clamp the button pearl.
In the embodiment, the welding position of bus-bar 11 is welded again after being attached with pole 13 in bus-bar 11
Position, the welding position of pole 13 is the position welded again after being attached with bus-bar 11 in pole 13, this area
Technical staff can set welding position according to design requirement on bus-bar 11 or on pole 13.
Battery electrode column and the attachment structure of bus-bar that the utility model embodiment is provided, pass through in catching groove 9 and button pearl one
The individual welding position for being arranged on bus-bar 11, another is arranged on the welding position of pole 13, is connected to the elastic card in catching groove 9
Spring clamps button pearl and realizes that button pearl and catching groove 9 are stably connected with, and then realizes that the stable connection of pole 13 and bus-bar 11 is firm,
Pole 13 and bus-bar 11 it is fast and accurate for positioning, connected mode is time saving and energy saving, so as to prevent the He of pole 13 in follow-up welding
The skew of bus-bar 11, it is to avoid weldering and the generation of rosin joint partially, lifts the connection speed of pole 13 and bus-bar 11 and then can carry
The production efficiency of high battery module.
As illustrated in fig. 1 and 2, another embodiment of the utility model is provided a kind of battery electrode column and the connection knot of bus-bar
Structure, including:The welding that catching groove 9, button pearl and elastic circlip, the catching groove 9 and one detained in pearl are arranged on bus-bar 11
Position, another is correspondingly arranged at the welding position of pole 13, and the elastic circlip is connected in the catching groove 9 and can clamped
The button pearl, the catching groove 9 includes cylindrical groove 4 and ring part 5, and the cylindrical groove 4 is provided with edge close to the cell wall of notch
Its circumferentially and through the cylindrical groove 4 cell wall inside and outside two opening 6, two it is described opening 6 symmetrical cloth
Put;The ring part 5 is arranged on the outside of cylindrical groove 4, has toroidal cavity between the cylindrical groove 4 and ring part 5
10;The elastic circlip includes two straight line springs 1 and an arc spring 3, and one end of two straight line springs 1 connects arc spring 3 respectively
Two ends, two straight line springs 1 are connected at above-mentioned two opening 6 respectively, and arc spring 3 is located at toroidal cavity 10, elastic circlip
Button pearl is clamped between two straight line springs 1 by elasticity.
In the embodiment, as shown in fig. 6, the cylindrical groove 4 is provided with along it circumferentially close to the cell wall of notch
And through the cylindrical groove 4 cell wall inside and outside two opening 6.Or as shown in figure 8, the cylindrical groove 4 notch
Cell wall be provided with along its circumferentially and through the cylindrical groove 4 cell wall inside and outside two opening 6.Realize elasticity
Jump ring can more firmly clamp button pearl.
When button pearl is not clamped by elastic circlip, two straight line springs 1 are connected to the two ends at above-mentioned two opening 6 respectively,
When button pearl and catching groove 9 be combined when being extruded, two straight line springs 1 from be connected to two opening 6 at two ends at respectively to remote
Direction from cylindrical groove 4 is moved, and when two straight line springs 1 clamp button pearl, button pearl and catching groove 9 are stably connected with, and are no longer sent out
Raw skew.
When the cylindrical groove 4 close to the cell wall of notch be provided with along its circumferentially and through the cylindrical groove
During inside and outside two opening 6 of 4 cell wall, the other end of two straight line springs 1 runs through opening 6 from one end of two openings 6 respectively
Through opening 6 pass through two to the one end of the other end of two openings 6 or the other end of two straight line springs 1 respectively from two openings 6
The other end of individual opening 6 to the straight line spring 1 of toroidal cavity 10, i.e., two to be entirely located in cylindrical groove 4 interior or two straight line springs 1
A part is in cylindrical groove 4, and another part of two straight line springs 1 is in toroidal cavity 10.Two straight line springs 1 are not being clamped
Position relationship when detaining pearl with two openings 6 is as shown in fig. 7, position of two straight line springs 1 when clamping button pearl with two openings 6
Relation is as shown in Figure 6.
When the cell wall of the notch of cylindrical groove 4 be provided with along its circumferentially and it is through the cylindrical groove 4
During inside and outside two opening 6 of cell wall, the other end of two straight line springs 1 runs through opening 6 to two from one end of two openings 6 respectively
The other end of individual opening 6, or the other end of two straight line springs 1 are opened from one end of two openings 6 through opening 6 by two respectively
Mouthfuls 6 other end to the straight line spring 1 of toroidal cavity 10, i.e., two to be entirely located in cylindrical groove 4 interior or two straight line springs 1 one
Office is in cylindrical groove 4, and another part of two straight line springs 1 is in toroidal cavity 10.Two straight line springs 1 are not clamping button pearl
When with two opening 6 position relationship as shown in figure 9, two straight line springs 1 clamping button pearl when with two opening 6 position relationship
As shown in Figure 8.
Battery electrode column and the attachment structure of bus-bar that the utility model embodiment is provided, pass through elastic circlip and catching groove 9
Clamping relation, button pearl is clamped between the straight line spring 1 of elastic circlip and realizes button pearl and catching groove 9 using the elasticity of elastic circlip
Be stably connected with, and then realize that the stable connection of pole 13 and bus-bar 11 is firm, the positioning of pole 13 and bus-bar 11 is quick
Accurately, connected mode is time saving and energy saving, so as to prevent the skew of pole 13 and bus-bar 11 in follow-up welding, it is to avoid weldering and void partially
The generation of weldering, lifts the connection speed of pole 13 and bus-bar 11 and then can improve the production efficiency of battery module.
Alternatively, in the utility model embodiment, as shown in figure 4, the elastic circlip also includes two S coil springs 2, it is described
One end of two S coil springs 2 connects one end of two straight line springs 1 respectively, and the other end of two S coil springs 2 connects arc spring 3 respectively
Two ends, described two S coil springs 2 are located at toroidal cavity 10.
In the embodiment, the S coil springs 2 can also be the coil spring of other shapes, as long as realizing straight line spring 1 and arc spring 3
Connection, increase elastic circlip elasticity and chucking power.
Above-described embodiment, the elasticity and chucking power of elastic circlip cathetus spring 1 are added by two S coil springs 2, so as to
It is enough stably and firmly to clamp button pearl, realize that the stable connection of pole 13 and bus-bar 11 is firm, pole 13 and bus-bar 11
Fast and accurate for positioning, connected mode is time saving and energy saving.
Alternatively, in the utility model embodiment, as shown in figure 5, described two straight line springs 1, two S coil springs 2 and arc
Spring 3 is to be integrally formed.
Above-described embodiment, the elasticity and chucking power for adding elastic circlip cathetus spring 1 are integrally formed by elastic circlip,
So as to stably and firmly clamp button pearl, realize that the stable connection of pole 13 and bus-bar 11 is firm, pole 13 and conflux
Row's 11 is fast and accurate for positioning, and connected mode is time saving and energy saving.
Alternatively, in the utility model embodiment, there is the ring-shaped depression area caved inward, institute on the button pearl lateral surface
Straight line spring 1 is stated to be clamped in the depressed area.
In the embodiment, the structure of the button pearl is not limited to the structure being previously mentioned in embodiment, as long as elastic circlip is straight
The part of coil spring 1 can clamp the ring-shaped depression area that has of button pearl lateral surface and be difficult that structure that pearl separates with catching groove 9 will be detained i.e.
Can.
In above-described embodiment, being clamped in by straight line spring 1 on button pearl lateral surface has in the ring-shaped depression area caved inward
The more stable firm of the clamping button pearl clamping of straight line spring 1 is realized, realizes that the stable connection of pole 13 and bus-bar 11 is firm.
Alternatively, in the utility model embodiment, as shown in figure 3, the button pearl includes hemispherical configuration 8 and cylindric knot
Structure 7, the middle part on the convex surface of hemispherical configuration 8 is connected to form junction with the middle part of one end of cylindrical-shaped structure 7, the depressed area
Positioned at the junction.
In the embodiment, the hemispherical configuration 8 also can be replaced chondritic.
The middle part on the convex surface of the hemispherical configuration 8 is connected with the middle part of one end of cylindrical-shaped structure 7 and formed to cylinder
The junction of the central shaft depression of shape structure 7, the straight line spring 1 is clamped in the depressed area, hemispherical configuration 8 is located at institute
State in cylindrical groove 4.
When convex surface and end contact of the junction for hemispherical configuration 8, button pearl can just be clamped by straight line spring 1, work as connection
Straight line spring 1 can not clamp button pearl when place is the end face of hemispherical configuration 8;When junction is the other end of cylindrical-shaped structure 7
Button pearl can be clamped by straight line spring 1, but now catching groove 9 want cube maximum.It is thus preferred that making hemispherical configuration 8 complete
Portion is located in the cylindrical groove 4, now detains pearl and the stable connection of catching groove 9, catching groove 9 and want cube minimum and saving material.
Alternatively, in the utility model embodiment, the button pearl includes hemispherical configuration 8 and cylindrical-shaped structure 7, hemispherical
The middle part of the end face of structure 8 is connected to form junction with the middle part of one end of cylindrical-shaped structure 7, and the depressed area is located at the company
Meet place.
In the embodiment, the middle part of the end face of the hemispherical configuration 8 is connected simultaneously with the middle part of one end of cylindrical-shaped structure 7
The junction of the central shaft depression to cylindrical-shaped structure 7 is formed, the straight line spring 1 is clamped in the depressed area, made hemispherical
Structure 8 is located in the cylindrical groove 4.
When junction is cross-sectional area maximum in hemispherical configuration 8, button pearl can just be clamped by straight line spring 1, work as connection
Place is using cross-sectional area maximum in hemispherical configuration 8 as somewhere in the hemispherical configuration 8 of critical point and remote cylindrical-shaped structure 7
When, straight line spring 1 can not clamp button pearl;When junction is the other end of cylindrical-shaped structure 7, button pearl can be pressed from both sides by straight line spring 1
Hold, but now catching groove 9 wants the cube maximum.It is thus preferred that making hemispherical configuration 8 be entirely located in the cylindrical groove 4
It is interior, now detain pearl and the stable connection of catching groove 9, catching groove 9 and want cube minimum and saving material.
Above-described embodiment, junction is formed by the connection for detaining the hemispherical configuration 8 in pearl and cylindrical-shaped structure 7, is recessed
Area is located at the junction and realizes that straight line spring 1 is clamped in the more stable firm of clamping the depressed area in, realizes pole 13 and bus-bar
11 stable connection is firm, and the accurate quick positioning of pole 13 and bus-bar 11, connected mode is time saving and energy saving.
Alternatively, in the utility model embodiment, the other end of the cylindrical-shaped structure 7 and the welding position of bus-bar 11
Or the welding position connection of pole 13.
Above-described embodiment, is realized by the annexation of the other end and bus-bar 11 or pole 13 of cylindrical-shaped structure 7
Straight line spring 1 be clamped in depressed area clamp it is more stable firm.
As shown in Figure 10, the embodiment of the utility model one provides a kind of battery module, including such as above-mentioned any embodiment institute
Battery electrode column and the attachment structure of bus-bar, bus-bar 11, pole 13 and the battery core 12 stated, the two ends point of the top surface of battery core 12
Not She Zhi a pole 13, the welding position of two poles 13 passes through the attachment structure and the corresponding welding position of bus-bar 11
Connection.
In the embodiment, the diverse location of bus-bar 11 is set to welding position by designer as needed, as needed
The diverse location of pole 13 is set to welding position, it is preferable that button pearl is set in the center of the welding position of bus-bar 11,
Catching groove 9 is set in the center of the corresponding welding position of pole 13, or button is set in the center of the welding position of bus-bar 11
Groove 9, button pearl is set in the center of the corresponding welding position of pole 13, and the connection for being arranged such pole 13 and bus-bar 11 is more firm
Gu, performance of battery module is more stable.
The top surface of each battery core 12 has one end and the other end, and often end is respectively connected with pole 13, is connected with the one end of battery core 12
Pole 13 be positive terminal 13, the pole 13 being connected with the other end of battery core 12 is negative terminal 13, and positive and negative terminals 13 pass through bus-bar
The electric energy of battery core 12 is passed to miscellaneous part by 11.Positive terminal 13 in one battery core 12 is passed through by a remittance according to demand in parallel
Stream row 11 is connected with the positive terminal 13 of another battery core 12, and the negative terminal 13 of one battery core 12 passes through another bus-bar 11
It is connected with the negative terminal 13 of another battery core 12, so as to realize the parallel connection of battery core 12.According to series connection demand by a battery core
12 negative terminal 13 is connected by a bus-bar 11 with the positive terminal 13 of another battery core 12, another battery core 12 it is negative
Pole 13 is connected by another bus-bar 11 with the positive terminal 13 of another battery core 12, realizes the series connection of battery core 12, thus is carried
The power supply capacity of high battery module.
The battery module that the utility model embodiment is provided, it is by attachment structure that pole 13 and bus-bar 11 is accurately fixed
Position, realizes the rapidly and accurately connection of pole 13 and bus-bar 11, connected mode is time saving and energy saving, so as to be prevented in follow-up welding
The skew of pole 13 and bus-bar 11, it is to avoid the connection speed of weldering and the generation of rosin joint partially, lifting pole 13 and bus-bar 11 is entered
And improve the production efficiency of battery module.One pole 13 is set respectively by the two ends of the top surface of battery core 12, battery core 12 is realized
Connection in series-parallel, so as to improve the power supply capacity of battery module.
Alternatively, in the utility model embodiment, it is arranged on when button pearl is arranged on the welding position of bus-bar 11, catching groove 9
During the welding position of pole 13, bus-bar 11 is fixedly connected or is integrally formed with button pearl, and catching groove 9 is by pole 13 away from battery core 12
One end setting that caves inward is formed;The welding position of bus-bar 11 is arranged on when button pearl is arranged on the welding position of pole 13, catching groove 9
When putting, pole 13 is fixedly connected or is integrally formed with button pearl, and catching groove 9 is formed by the setting that caves inward of the one side of bus-bar 11.
In the embodiment, the elastic circlip is connected in catching groove 9 in advance.
In above-described embodiment, the firm connection of pole 13 and bus-bar 11 is realized by being integrally formed, it is inside by catching groove 9
Depression, which is set, realizes being stably connected with for pole 13 and bus-bar 11, accelerates the connection speed of pole 13 and bus-bar 11, lifting electricity
The production efficiency of pond module.
Alternatively, in the utility model embodiment, the bus-bar 11 uses conductive material.
In the embodiment, the conductive material includes metal material, alloy material etc..
In the utility model embodiment, the connection of battery electrode column and bus-bar is realized using conductive material by bus-bar 11
The electric energy of all battery cores 12 is supplied to other systems by structure by battery module, improves operating efficiency and the power supply of battery module
Ability.
Alternatively, in the utility model embodiment, the bus-bar 11 uses aluminum alloy materials.
In the embodiment, bus-bar 11 uses aluminum alloy materials, and aluminum alloy materials relative price is cheap, lightweight, especially
There is provided beneficial to the electric energy in motion, and electric conductivity is good, can be efficient by bus-bar 11 by the electric energy in all battery cores 12
Ground passes to battery module.
In the utility model embodiment, saving cost is realized using aluminum alloy materials by bus-bar 11, and can guarantee that
The electric energy of all battery cores 12 is supplied to other systems by the attachment structure of battery electrode column and bus-bar by battery module, improves electricity
The operating efficiency and power supply capacity of pond module.
As shown in figure 11, another embodiment of the utility model provides a kind of battery module, including such as above-mentioned any embodiment
Described battery electrode column and the attachment structure of bus-bar, bus-bar 11, pole 13, battery core 12 and pallet, the top surface of battery core 12
Two ends one pole 13 is set respectively, the welding position of two poles 13 is corresponding with bus-bar 11 by the attachment structure
Welding position is connected, and the battery core 12 is multiple, and pallet fixes the multiple battery core 12.
In the embodiment, the two ends of the top surface of battery core 12 set a pole 13 respectively, and a pole 13 is positive terminal 13, separately
One pole 13 is negative terminal 13, sets welding corresponding with the welding position of positive and negative terminals 13 on bus-bar 11 as needed
Position, so that electric energy flows to the positive terminal 13 or negative terminal of other battery cores 12 from battery core 12 by positive terminal 13 and bus-bar 11
13, multiple bus-bars 11 can be set in a battery module, to realize the series connection and/or parallel connection of battery core 12.
The utility model embodiment provides battery module, by attachment structure that pole 13 and bus-bar 11 is accurate quick fixed
Position, accelerates the connection speed of pole 13 and bus-bar 11, improves the production efficiency of battery module, by pallet by multiple battery cores
12 fix, and realize being stably connected with for battery module, external environment condition is reduced during production or use to the steady of battery module
Qualitatively influence.
Alternatively, in the utility model embodiment, the side of the battery core 12 is with the contacts side surfaces of battery core 12 to be formed simultaneously
The battery core 12 placed is arranged, pallet is fixed by the periphery for the multiple battery cores 12 placed side by side.
When battery core 12 be cuboid when, battery core 12 is arranged on the top surface that pole 13 is connected, the side of battery core 12 with
Other contacts side surfaces of battery core 12, form the battery core 12 placed side by side, are set and confluxed on pole 13 according to serial or parallel connection demand
Row 11, it is by pallet that the periphery for the multiple battery cores 12 placed side by side is fixed.
A kind of assemble method for battery module that the utility model embodiment is provided, comprises the following steps:
Catching groove 9 in S1, battery electrode column and the attachment structure of bus-bar that any of the above-described embodiment is provided clamps button
Pearl;
S2, pallet is covered using fixture, and the battery module that any of the above-described embodiment is provided is placed in bonding machine and welded
Connect.
Alternatively, in the utility model embodiment, the S1 includes:Battery electrode column that any of the above-described embodiment is provided with
Button pearl in the attachment structure of bus-bar is clamped between two straight line springs 1 in elastic circlip.
A kind of assemble method for battery module that the utility model embodiment is provided, clamps button pearl by catching groove 9, realizes
Fast and effeciently pole 13 is attached with bus-bar 11, then battery module is placed on welding in bonding machine and realizes pole 13
With the firm connection of bus-bar 11, so as to ensure that battery module can still can normal and stable work in various complex environments
Make.
In all embodiments of the utility model, the connection that four-part button is applied to pole 13 and bus-bar 11, so as to realize
Quick and stable is attached pole 13 and bus-bar 11, can avoid asking present in prior art in follow-up welding
Topic.The structure of catching groove 9 and button pearl is not limited to content described in the present embodiment.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in guarantor of the present utility model
Within the scope of shield.
Claims (10)
1. the attachment structure of a kind of battery electrode column and bus-bar, it is characterised in that including:Catching groove and button pearl, the catching groove and institute
One in the button pearl welding position for being arranged on bus-bar is stated, another is correspondingly arranged at the welding position of pole, the catching groove
The button pearl can be clamped.
2. the attachment structure of a kind of battery electrode column according to claim 1 and bus-bar, it is characterised in that also including elasticity
Jump ring, the elastic circlip is connected in the catching groove and can clamp the button pearl.
3. the attachment structure of a kind of battery electrode column according to claim 2 and bus-bar, it is characterised in that the catching groove bag
Include cylindrical groove and ring part, the cylindrical groove close to the cell wall of notch be provided with along its circumferentially and through described
Inside and outside two opening of the cell wall of cylindrical groove, two openings are arranged symmetrically;The ring part is arranged on the cylinder
On the outside of shape groove, there is toroidal cavity between the cylindrical groove and ring part;The elastic circlip includes two straight line springs and one
Individual arc spring, one end of two straight line springs connects the two ends of arc spring respectively, and two straight line springs are connected to above-mentioned two and opened respectively
At mouthful, arc spring is located at toroidal cavity, and button pearl is clamped between two straight line springs by the elasticity of elastic circlip.
4. the attachment structure of a kind of battery electrode column according to claim 3 and bus-bar, it is characterised in that the elastic card
Spring also includes two S coil springs, and one end of described two S coil springs connects one end of two straight line springs respectively, two S coil springs it is another
End connects the two ends of arc spring respectively, and described two S coil springs are located at toroidal cavity.
5. the attachment structure of a kind of battery electrode column according to claim 4 and bus-bar, it is characterised in that described two straight
Coil spring, two S coil springs and arc spring are to be integrally formed.
6. the attachment structure of a kind of battery electrode column according to claim 3 and bus-bar, it is characterised in that outside the button pearl
There is the ring-shaped depression area caved inward, the straight line spring is clamped in the depressed area on side.
7. the attachment structure of a kind of battery electrode column according to claim 6 and bus-bar, it is characterised in that the button Zhu Bao
Include the middle part connection shape of hemispherical configuration and cylindrical-shaped structure, the middle part on the convex surface of hemispherical configuration and one end of cylindrical-shaped structure
Into junction, the depressed area is located at the junction.
8. the attachment structure of a kind of battery electrode column according to claim 7 and bus-bar, it is characterised in that described cylindric
The other end of structure and the welding position of bus-bar or the welding position of pole are connected.
9. a kind of battery module, it is characterised in that including the battery electrode column as described in claim any one of 1-8 and bus-bar
Attachment structure, bus-bar, pole and battery core, the two ends of the battery core top surface set a pole, the welding of two poles respectively
Position is connected by attachment structure welding position corresponding with bus-bar.
10. a kind of battery module according to claim 9, it is characterised in that when button pearl is arranged on the welding position of bus-bar
Put, when catching groove is arranged on the welding position of pole, bus-bar is fixedly connected or is integrally formed with button pearl, and catching groove is by pole away from electricity
The setting that caves inward of one end of core is formed;When button pearl is arranged on the welding position that the welding position of pole, catching groove are arranged on bus-bar
When putting, pole is fixedly connected or is integrally formed with button pearl, and catching groove is formed by the setting that caves inward of bus-bar one side.
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Cited By (1)
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CN106784573A (en) * | 2017-03-09 | 2017-05-31 | 常州普莱德新能源电池科技有限公司 | The attachment structure and battery module of a kind of battery electrode column and bus-bar |
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2017
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106784573A (en) * | 2017-03-09 | 2017-05-31 | 常州普莱德新能源电池科技有限公司 | The attachment structure and battery module of a kind of battery electrode column and bus-bar |
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