CN208400909U - A kind of soft-package battery mould group - Google Patents
A kind of soft-package battery mould group Download PDFInfo
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- CN208400909U CN208400909U CN201821105572.6U CN201821105572U CN208400909U CN 208400909 U CN208400909 U CN 208400909U CN 201821105572 U CN201821105572 U CN 201821105572U CN 208400909 U CN208400909 U CN 208400909U
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- soft
- package battery
- central frame
- package
- conductive plate
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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 relates to a kind of soft-package battery mould groups, including several soft-package batteries, soft-package battery is equipped with two tabs in left and right, it further includes two outer frameworks and central frame, the quantity of central frame one fewer than the quantity of soft-package battery, the central frame is equipped with two pieces of conductive plates, the position of conductive plate and the position of tab are corresponding, soft-package battery and central frame are arranged at intervals between two outer frameworks, outer framework, central frame and soft-package battery are fixed by connector, two tabs of soft-package battery are in close contact to form conductive connection with the conductive plate on adjacent central frame respectively.The utility model relates to soft-package battery module group assembling it is convenient, the contact between each soft-package battery tab is good, convenient disassembly, the replacement of easy to repair and single soft-package battery.
Description
Technical field
The utility model relates to soft-package battery manufacturing technology more particularly to a kind of soft-package battery mould groups.
Background technique
Lithium battery has many advantages, such as the big safety and environmental protection of small in volume energy density, and lithium battery is made to become power battery
Developing direction.The convenient feature of the big combination of soft package lithium battery energy density makes soft package lithium battery have very wide market, but soft
Packet lithium battery pole slice is still a bottleneck for restricting its development in series and parallel.Currently, soft package lithium battery pole piece mostly uses tin in series and parallel
Welding, the methods of ultrasonic bonding, these methods generally have operational sequence complexity, not easy to repair, and tab and soft-package battery connect
Socket part bit length phase stress, the disadvantages of influencing battery life, and series-parallel number is restricted.Therefore, for the length of soft package lithium battery
Phase development, pole piece series-parallel system are badly in need of improving.
In view of the above-mentioned problems, application No. is 201710253894.9 Chinese patents to disclose a kind of string of soft package lithium battery
Assembled in parallel structure, including soft package lithium battery further include fixed plate, and fixed plate is equipped with the positive pole ear for battery, cathode pole
The electrode through-hole that ear passes through is further fixed on gasket, the soft package lithium battery between two adjacent electrode through-holes in fixed plate
Positive pole ear, negative lug bending be coated on the upside of the corresponding gasket, tab is pressed on gasket by conducting copper,
The width of conducting copper can be selected as needed.The utility model changes the conductive copper that series-parallel system only needs to change different in width
Row, easy to adjust, versatility is good, and when single-unit soft package lithium battery damages, only need to unclamp corresponding conducting copper can be to damage
Soft package lithium battery is replaced, and saves space in the short transverse of battery, improves Li-ion batteries piles energy volume ratio
And energy to weight ratio.
The tab to soft package lithium battery that the series-parallel package assembly for the soft package lithium battery that above-mentioned patent is related to only singly is deposited
Carry out it is series-parallel, in battery use process, battery pack especially on automobile, since vibration causes between single soft-package battery
Relative displacement occurs, the connection of tab position is caused to loosen, influences battery pack use.
Utility model content
The purpose of this utility model is that aiming at the problems existing in the prior art, being related to a kind of pole that can make soft-package battery
The soft-package battery mould group of the series-parallel stable connection of ear.
For the attainment of one's purpose, technical solution provided by the utility model are as follows:
The utility model relates to a kind of soft-package battery mould group, including several soft-package batteries, soft-package battery is equipped with left and right
Two tabs, further include two outer frameworks and central frame, and the quantity of central frame one fewer than the quantity of soft-package battery, institute
Two pieces of conductive plates are equipped at the top of the central frame stated, the position of conductive plate and the position of tab correspond, and soft-package battery is in
Between frame space be arranged between two outer frameworks, outer framework, central frame and soft-package battery are fixed by connector, Soft Roll electricity
Two tabs in pond are in close contact to form conductive connection with the conductive plate on adjacent central frame respectively.
Preferably, the outer framework, central frame and soft-package battery are connected by fixed screw.
Preferably, conductive plate is inverted U shape structure, including two side plates and a top plate, two side plates of conductive plate it is outer
Surface is equipped with several protrusions, and tab and protrusion are in close contact to be formed and be conductively connected.
Preferably, the top edge of the tab is equipped with bending part, the top plate contact of bending part and conductive plate, and leads to
It crosses metal platen and lock screw is fixed.
The setting of the protrusion and bending part each contributes to improve the tightness degree contacted between conductive plate and tab,
Prevent the connection between each soft-package battery from disconnecting.
Preferably, it is set at the top of the central frame there are two locating slot, the conductive plate is fixed in locating slot.
Preferably, hollow-out part, size and the Soft Roll electricity of hollow-out part are equipped on the outer framework and central frame
The size in pond matches, and two sides of soft-package battery are stuck in the hollow-out part of outer framework or central frame.
Preferably, the side of all or part of soft-package battery is equipped with heat-conducting plate, facilitates the heat dissipation of battery pack.
Using technical solution provided by the utility model, compared with prior art, have the following beneficial effects:
The utility model by outer framework and central frame by soft-package battery it is monolithic extruded together with, and pass through central frame
On conductive plate connection soft-package battery tab, compressed using physics and realize that tab is in parallel, number in parallel is unrestricted, operation side
Just, high production efficiency, reliable performance facilitate soft-package battery after-sales service and secondary use.
The utility model is to compress entire soft-package battery by outer framework and central frame to realize in parallel, all Soft Rolls
Battery forms an entirety, even if battery pack has the phenomenon that vibration in use, will not occur between each soft-package battery
The connection of relative displacement, tab and conductive plate is more stable.
Protrusion is arranged in the utility model on the side plate of conductive plate, and bending part is arranged in tab position, can increase pole
The contact surface of ear and conductive plate, effect in parallel are more preferable.
Detailed description of the invention
The schematic diagram for the soft-package battery mould group that Fig. 1 is made of two soft-package batteries;
The explosive view for the soft-package battery mould group that Fig. 2 is made of two soft-package batteries;
Fig. 3 is the enlarged structure schematic diagram of conductive plate;
The schematic diagram for the soft-package battery mould group that Fig. 4 is made of three soft-package batteries;
The explosive view for the soft-package battery mould group that Fig. 5 is made of three soft-package batteries;
Fig. 6 is the explosive view of the improved soft-package battery mould group being made of two soft-package batteries.
It illustrates: 1- outer framework, 2- central frame, 21- locating slot, 3- soft-package battery, 31- tab, 32- bending part
Point, 4- conductive plate, 41- protrusion, 5- fixed screw, 6- heat-conducting plate, 7- metal platen, 8- lock screw.
Specific embodiment
For the content for further appreciating that the utility model, the utility model is described in detail in conjunction with the embodiments, it is real below
Example is applied for illustrating the utility model, but is not intended to limit the scope of the present invention.
Embodiment one:
In conjunction with shown in attached Fig. 1 and 2, the utility model relates to a kind of soft-package battery mould group, including two soft-package batteries 3,
Two tabs 31 in left and right, respectively positive pole ear and negative lug are equipped on two soft-package batteries.The utility model further includes
Two outer frameworks 1 and a central frame 2.
It being set on the top frame of the central frame 2 there are two locating slot 21, locating slot 21 is used to install conductive plate 4,
Conductive plate 4 is equipped in locating slot 21, the position of conductive plate 4 is corresponding with the position of tab 31, the structure of conductive plate 4 such as attached drawing 3
Shown, conductive plate 4 is inverted U shape structure, including two side plates and a top plate, sets on the lateral surface of two side plates of conductive plate 4
Having several raised 41, protrusion 41 is made of flexible metal material, when conductive plate 4 is mounted on locating slot 21, conductive plate 4
The two sides of inner surface and central frame 2 of two side plates fix, the bottom surface of the top plate of conductive plate 4 and the bottom surface of locating slot 21
Contact.
The soft-package battery 3 of the utility model and 2 compartment of terrain of central frame are located between two outer frameworks 1, and pass through fixation
Screw 5 is locked.At this point, outer framework 1, central frame 2 and soft-package battery 3 are in close contact and mutual extrusion, two of soft-package battery 3
Tab 31 forms with the outside face contact of the side plate of conductive plate 4 on adjacent central frame 2 be conductively connected respectively, the setting of protrusion 41
Then make conductive plate 4 and the contact of tab 31 stronger, it is more conducively conductive.
For the heat dissipation performance for increasing series-parallel battery pack, the present embodiment is also arranged on the side of wherein one piece of soft-package battery 3
Aluminium sheet is as heat-conducting plate 6.
The positive pole ear of two pieces of soft-package batteries 3 is contacted with one of conductive plate 4, and negative lug is conductive with another
Plate 4 contacts, which is parallel-connection structure.It since two soft-package batteries 3 are whole is pressed from both sides by outer framework 1 and central frame 2
Tight, therefore relative displacement will not occur between two soft-package batteries 3, it can be ensured that tab 31 is contacted with conductive plate 4 always.When wherein
The damage of one soft-package battery 3 and another soft-package battery 3 can also replace damage in use, only need to unscrew fixed screw 5
Again fixed screw 5 is tightened after soft-package battery 3, and battery pack is facilitated to dismantle and repair.
Embodiment two:
In conjunction with shown in attached Figure 4 and 5, the utility model relates to a kind of soft-package battery mould group, including three soft-package batteries 3,
Tab 31, respectively positive pole ear and negative lug there are two being all provided on three soft-package batteries 3.The utility model further includes two
Outer framework 1 and two central frames 2.
Locating slot 21 there are two being set on the top frame of two pieces of central frames 2, and the positioning of two central frames 2
Slot 21 be it is mutual corresponding, locating slot 21 is equipped with conductive plate 4, the position of conductive plate 4 for installing conductive plate 4 in locating slot 21
Set corresponding with the position of tab 31, the structure of conductive plate 4 is identical as the structure of conductive plate 4 in embodiment one, and the present embodiment is not
It illustrates again, the two sides of two side plates and central frame 2 of conductive plate 4 are fixed, the top plate of conductive plate 4 and the bottom surface of locating slot 21
Contact.
Three pieces of soft-package batteries 3 of the utility model and two pieces of 2 compartment of terrain of central frame are located between two outer frameworks 1, and
It is locked by fixed screw 5.Outer framework 1, central frame 2 and soft-package battery 3 are in close contact and mutual extrusion, soft-package battery 3
Two tabs 31 form with the outside face contact of the side plate of conductive plate 4 on adjacent central frame 2 be conductively connected respectively, protrusion 41
It is arranged and then makes conductive plate 4 and the contact of tab 31 stronger, it is more conducively conductive.
For the heat dissipation performance for increasing series-parallel battery pack, the present embodiment is also on the side of outermost two pieces of soft-package batteries 3
Provided with aluminium sheet as heat-conducting plate 6.
When soft-package battery module group assembling, it is ensured that the electrode of the tab of certain 4 two sides of block conductive plate is identical, forms batteries in parallel connection mould
Group.It since three soft-package batteries 3 are whole is clamped by outer framework 1 and central frame 2, it will not between three soft-package batteries 3
Relative displacement occurs, it is ensured that tab 31 is contacted with conductive plate 4 always.When the damage of one of soft-package battery 3, other Soft Rolls are electric
Pond 3 can also tighten again fixed screw 5 i.e. after replacing the soft-package battery 3 of damage in use, only need to unscrew fixed screw 5
Can, facilitate battery pack to dismantle and repair.
By embodiment one and embodiment two it can be concluded that, the utility model relates to soft-package battery mould group only need according to soft
The quantity of packet battery 3 increases the quantity (quantity of central frame 2 one fewer than the quantity of soft-package battery 3 always) of central frame 2,
The parallel connection of multiple soft-package batteries can be realized.
Embodiment three:
The present embodiment is on the basis of example 1, further improvement to be made to soft-package battery mould group, with embodiment
Be in place of one difference: the present embodiment is provided with bending part 32, bending part 32 at the top of the tab 31 of soft-package battery 3
It is in 90 degree angles with tab 31, after the completion of soft-package battery module group assembling, the protrusion 41 of the side plate outer surface of tab 31 and conductive plate 4
Contact, and bending part 32 is then contacted with the upper surface of the top plate of conductive plate 4, at this point, being pressed again in the upper surface of bending part 32
Upper metal platen 7, and being fixed on metal platen 7 on the top plate of conductive plate 4 by lock screw 8, make conductive plate 4 top plate,
Closely contact forms conductive connection to the bending part and metal platen 7 of tab.For embodiment three is compared with embodiment one, into one
Step increases the contact area of tab and conductive plate, it is ensured that electric current is connected well.
The utility model is described in detail in conjunction with the embodiments above, but the content be only the utility model compared with
Good embodiment, should not be considered as limiting the scope of the present invention.It is made according to the scope of application of this utility model
All the changes and improvements etc. should all be still fallen within the patent covering scope of the utility model.
Claims (7)
1. a kind of soft-package battery mould group, including several soft-package batteries, soft-package battery is equipped with two tabs in left and right, and feature exists
In: it further includes two outer frameworks and central frame, the quantity of central frame one fewer than the quantity of soft-package battery, it is described in
Between frame roof be equipped with two pieces of conductive plates, the position of the position of conductive plate and tab corresponds, soft-package battery and central frame
It being arranged at intervals between two outer frameworks, outer framework, central frame and soft-package battery are fixed by connector, and the two of soft-package battery
A tab is in close contact to form conductive connection with the conductive plate on adjacent central frame respectively.
2. soft-package battery mould group according to claim 1, it is characterised in that: outer framework, central frame and the Soft Roll
Battery is connected by fixed screw.
3. soft-package battery mould group according to claim 1, it is characterised in that: the conductive plate is inverted U shape structure, including
Two side plates and a top plate, the outer surface of two side plates of conductive plate are equipped with several protrusions, and tab and protrusion are in close contact shape
At conductive connection.
4. soft-package battery mould group according to claim 3, it is characterised in that: the top edge of the tab is equipped with bending part
Point, the top plate contact of bending part and conductive plate, and fixed by metal platen and lock screw.
5. soft-package battery mould group according to claim 1, it is characterised in that: there are two being set at the top of the central frame
Locating slot, the conductive plate are fixed in locating slot.
6. soft-package battery mould group according to claim 1, it is characterised in that: be all provided on the outer framework and central frame
There is hollow-out part, the size of hollow-out part is matched with the size of soft-package battery, and two sides of soft-package battery are stuck in outer
The hollow-out part of frame or central frame.
7. soft-package battery mould group according to claim 1, it is characterised in that: set beside all or part of soft-package battery
There is heat-conducting plate.
Priority Applications (1)
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CN201821105572.6U CN208400909U (en) | 2018-07-12 | 2018-07-12 | A kind of soft-package battery mould group |
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CN201821105572.6U CN208400909U (en) | 2018-07-12 | 2018-07-12 | A kind of soft-package battery mould group |
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CN208400909U true CN208400909U (en) | 2019-01-18 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108987634A (en) * | 2018-07-12 | 2018-12-11 | 杭州波谱莱新能源科技有限公司 | Soft-package battery mould group |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108987634A (en) * | 2018-07-12 | 2018-12-11 | 杭州波谱莱新能源科技有限公司 | Soft-package battery mould group |
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