CN207719266U - A kind of battery module structure - Google Patents
A kind of battery module structure Download PDFInfo
- Publication number
- CN207719266U CN207719266U CN201721390276.0U CN201721390276U CN207719266U CN 207719266 U CN207719266 U CN 207719266U CN 201721390276 U CN201721390276 U CN 201721390276U CN 207719266 U CN207719266 U CN 207719266U
- Authority
- CN
- China
- Prior art keywords
- confluence piece
- substrate
- piece
- confluence
- battery core
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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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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- Battery Mounting, Suspending (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model provides a kind of battery module structure, including two holders, multiple battery cores, the first confluence piece for being connected to two opposite both sides of holder respectively and the second confluence piece and the baffle for bearing against piece surface of converging in the first confluence piece and second；The anode that multiple battery cores are divided into quantity identical two groups and one of which battery core is in the same plane with the cathode of another set battery core；First confluence piece includes the third confluence piece and the 4th confluence piece of electrical communication, and the second confluence piece includes the 5th confluence piece and the 6th confluence piece, wherein the 5th confluence piece includes the first substrate, the 6th confluence piece includes the second substrate；The cathode of one of which battery core is electrically connected with third confluence piece, anode is electrically connected with the first substrate, and the anode of another set battery core is electrically connected with the 4th confluence piece, cathode and the second substrate are electrically connected.Battery modules cellular construction provided by the utility model, degree of modularity height, fixation and battery core consistency are good.
Description
【Technical field】
The utility model is related to power battery field more particularly to a kind of battery module structures.
【Background technology】
Battery modules are building blocks important in power system of electric automobile, and the Stability and dependability of structure is direct
Relationship and performance and the service life for influencing entire battery system.Therefore, the design of battery modules has become electric vehicle development mistake
A very important ring in journey.Currently, in order to meet requirement, it is often necessary to which multiple single battery cores are formed battery modules.
But current battery modules the problems such as that there are battery core consistency is poor, fixed insecure.
In addition battery modules also have large capacity and high-power output characteristic, under high power charging-discharging and hot environment
When operation, it will generate a large amount of heat, if heat cannot shed in time, excessively high temperature will lead to the electrochemistry of battery
Performance degradation, cycle life dramatic decrease, or even cause the safety issues such as battery " thermal runaway ".
In consideration of it, it is really necessary to provide a kind of new battery module structure to overcome drawbacks described above.
【Utility model content】
The purpose of this utility model is to provide the battery mould that a kind of degree of modularity is high, fixation and battery core consistency are good
Group structure.
To achieve the goals above, the utility model provides a kind of battery module structure, including two intervals are oppositely arranged
Holder, be contained between two holders multiple battery cores, be connected to respectively the opposite both sides of two holders and respectively with each electricity
The the first confluence piece and the second confluence piece and bear against in the first confluence piece and the second remittance that the both ends of core are electrically connected
Flow deviates from the baffle on the surface of corresponding holder；Multiple battery cores be divided into the anode of quantity identical two groups and one of which battery core with
The cathode of another set battery core is in the same plane；The first confluence piece includes the third confluence piece and the 4th of electrical communication
Converge piece, and the second confluence piece includes the 5th confluence piece and the 6th confluence piece, wherein the 5th confluence piece includes the first base
Piece, the 6th confluence piece includes the second substrate；The cathode of one of which battery core is electrically connected with third confluence piece, is positive
With first substrate be electrically connected, another set battery core anode with it is described 4th converge piece electric connection, cathode with it is described
Second substrate is electrically connected.
In a preferred embodiment, described two holders are symmetrical arranged, and each holder includes substrate and from the base
The plate side opposite with another holder extends to form multiple receiving cartridges；The bottom of each receiving cartridge is offered through the base
The connecting hole of plate；The both ends of each battery core are contained in corresponding two receiving cartridges of two holders and respectively across two corresponding
Connecting hole.
In a preferred embodiment, the receiving cartridge is cylindrical, the connecting hole it is rounded and with corresponding one
Receiving cartridge is coaxially disposed, and the diameter of the connecting hole is less than the diameter of the receiving cartridge；The shape of the battery core be it is cylindric and
Diameter is corresponding with the diameter of the receiving cartridge.
In a preferred embodiment, multiple first through hole through the substrate are offered on the substrate；It is described
The shape of baffle is corresponding with the shape of the substrate, is offered on the baffle and with the first through hole corresponds and be connected to
Second through-hole.
In a preferred embodiment, the substrate offers card slot, the card slot away from the surface of the receiving cartridge
Shape it is corresponding with the substrate, the first confluence piece converges with described second, and clamping is fixed on the cards of two holders to piece respectively
In slot；Each card slot extends to form multiple card columns away from the surface of the receiving cartridge, and the first confluence piece converges with described second
Card hole corresponding with the card column is offered in flow respectively；The baffle clamping is contained in the card slot.
In a preferred embodiment, the inner surface of the receiving cartridge extends to form multiple fixations for fastening battery core
Item, the fixed strip is in strip and multiple fixed strips are in matrix distribution and perpendicular to the substrate.
In a preferred embodiment, the first confluence piece offers the first welding groove with the second confluence piece
And second welding groove, wherein first welding groove includes the first fixing groove, second welding groove include the second fixing groove and
The mounting hole being connected with second fixing groove；First welding groove is located at the first confluence piece and the second confluence piece
Edge, second welding groove far from it is described first confluence piece with it is described second converge piece edge；The first confluence piece
It is fixedly connected respectively with the both ends of the battery core by welding aluminium strip with the second confluence piece, wherein the one of the welding aluminium strip
End is directly fixedly connected with first fixing groove or is fixedly connected with second fixing groove across the mounting hole, another
It holds and is fixed with the anode of battery core or cathode.
In a preferred embodiment, the first confluence piece is away from the surface of first fixing groove and the card slot
Away from the receiving cartridge surface abut and by the welding aluminium strip respectively with the anode and another set of one of which battery core
The cathode of battery core is connected；It is described 5th confluence piece with it is described 6th converge piece deviate from first fixing groove surface with it is described
Card slot is abutted away from the surface of the receiving cartridge.
In a preferred embodiment, the 5th confluence piece further includes being fixedly connected with first substrate one end
First connection sheet, the 6th confluence piece further includes the second connection sheet being fixedly connected with one end of second substrate；It is described
First connection sheet is abutted with the same side edge of a substrate respectively with second connection sheet, and first connection sheet and institute
It states and is fixedly installed insulation protection structure on the substrate between the second connection sheet.
Battery module structure provided by the utility model, by electric current followed by it is described 5th confluence piece, a battery core,
The first confluence piece, another battery core and the 6th confluence piece, realize the distance basic one that electric current flows through each battery core
Cause, resistance are almost the same, it is ensured that the harmony of the battery core.In addition it is provided with fixed strip in each receiving cartridge, prevents the electricity
Core rotates.Battery module structure provided by the utility model, degree of modularity height, fixation and battery core consistency are good.
【Description of the drawings】
Fig. 1 is the stereogram of battery module structure provided by the utility model.
Fig. 2 is the exploded view of battery module structure shown in FIG. 1.
Fig. 3 is the partial enlarged view of region A shown in Fig. 2.
Fig. 4 is the stereogram of holder in battery module structure shown in Fig. 2.
Fig. 5 is the partial enlarged view of region B shown in Fig. 4.
Fig. 6 is the stereogram of another angle of holder shown in Fig. 4.
Fig. 7 is the front view of the first confluence piece in battery module structure shown in Fig. 2.
Fig. 8 is the partial enlarged view of region C shown in Fig. 7.
Fig. 9 is the front view of the second confluence piece in battery module structure shown in Fig. 2.
Figure 10 is the current path schematic diagram that the first confluence piece, a battery core and the 5th confluence piece shown in Fig. 2 are connected to.
Figure 11 is the current path schematic diagram that the first confluence piece, another battery core and the 5th confluence piece shown in Fig. 2 are connected to.
【Specific implementation mode】
It is clear in order to make the purpose of this utility model, technical solution and advantageous effects be more clear, below in conjunction with attached
Figure and specific implementation mode, the present invention will be further described in detail.It should be understood that described in this specification
Specific implementation mode is not intended to limit the utility model just for the sake of explaining the utility model.
Fig. 1 and Fig. 2 is please referred to, the utility model provides a kind of battery module structure 100, including two intervals are oppositely arranged
Holder 10, receiving two holders 10 between multiple battery cores 20, be connected to respectively two 10 opposite both sides of holder and respectively with
The first confluence piece 30 and second that the both ends of each battery core 20 are electrically connected, which converges, piece 40 and to be born against in described the
Baffle 50 of the one confluence piece 30 and second confluence piece 40 away from the surface of the holder 10.
Please with reference to fig. 4 to fig. 6, each holder 10 is opposite including substrate 11 and from the substrate 11 and another holder 11
Multiple receiving cartridges 12 for extending to form of a side surface.It is offered on the substrate 11 multiple through the first logical of the substrate 11
Hole 111, the substrate 11 offer card slot 112 away from the surface of the receiving cartridge 12.The bottom of the receiving cartridge 12 offers
Through the connecting hole 121 of the substrate 11, the inner surface of the receiving cartridge 12 extends to form multiple for fastening consolidating for battery core 20
Determine item 122.In present embodiment, substantially rectangular in shape, the shape of the card slot 112 and the substrate 11 of the substrate 11
It is corresponding.Each receiving cartridge 12 is cylindrical and arranged in rows, and the connecting hole 121 is rounded and is coaxially set with the receiving cartridge 12
It sets, the diameter of the connecting hole 121 is less than the diameter of the receiving cartridge 12.The fixed strip 122 is in strip and multiple fixations
Item is in matrix distribution and perpendicular to the substrate 11, specifically, the quantity of the fixed strip 122 is three.
The both ends of each battery core 20 are contained in two holders, 10 corresponding two receiving cartridges 12 and respectively across correspondences
Two connecting holes 121.In present embodiment, it is straight with the receiving cartridge 12 that the shape of the battery core 20 is cylindric and diameter
Diameter is corresponding.The quantity of receiving cartridge 12 is even number described in each holder 11, and it is two groups identical that multiple battery cores 20 are divided into quantity
And the anode of one group of battery core 20 is in the same plane with the cathode of another group of battery core 20.
Fig. 2, Fig. 3 and Fig. 7 are please referred to Fig. 9, the first confluence piece 30 distinguishes clamping with the second confluence piece 40
It is fixed in the card slot 112 of two holders 10 and is fixedly connected with the both ends of the battery core 20 across the connecting hole 121.It is described
First confluence piece 30 offers the first welding groove 31 and the second welding groove 32 with the second confluence piece 40, wherein described first
Welding groove 31 include the first fixing groove 311, second welding groove 32 include the second fixing groove 321 and with second fixing groove
321 connected mounting holes 322.Converge with described second specifically, first welding groove 31 is located at the first confluence piece 30
The edge of piece 40, edge of second welding groove 32 far from the first confluence piece 30 with the second confluence piece 40.It is described
First confluence piece 30 is electrically connected by welding aluminium strip 33 with the 20 of battery core both ends respectively with described second piece 40 that converges
It connects, wherein one end of the welding aluminium strip 33 is directly electrically connected with first fixing groove 311 or passes through the mounting hole
322 are electrically connected with second fixing groove 321, anode or the cathode electric connection of the other end and battery core 20.Each
Card slot 112 extends to form multiple card columns 1121, the first confluence piece 30 and described second away from the surface of the receiving cartridge 12
Card hole corresponding with the card column 1,121 34 is offered respectively on confluence piece 40.
The first confluence piece 30 deviates from the receiving away from the surface of first fixing groove 311 and the card slot 112
The surface of cylinder 12 abuts and is electrically connected respectively with the anode of one group of battery core 20 by the welding aluminium strip 33 and another group of battery core
20 cathode is electrically connected.Specifically, the third confluence piece 35 and the 4th that the first confluence piece 30 includes electrical communication converges
Piece 36.In present embodiment, the shape of third confluence piece 35 and the 4th confluence piece 36 is substantially " u " shaped and one end
It is electrically connected, wherein third confluence piece 35 and the cathode of one group of battery core 20 is electrically connected, the 4th confluence piece and another group of battery core 20
Anode be electrically connected.
It is described second confluence piece 40 include the 5th confluence piece 41 and the 6th converge piece 42, it is described 5th confluence piece 41 with it is described
6th confluence piece 42 is supported with the card slot 112 away from the surface of the receiving cartridge 12 away from the surface of first fixing groove 311
It connects.Wherein, the anode of the 5th confluence piece 41 and one group of battery core 20 away from 35 one end of third confluence piece is electrically connected, institute
The cathode that the 6th confluence piece 42 converges 36 one end of piece with another group of battery core 20 away from the described 4th is stated to be electrically connected.Described 5th converges
Flow 41 includes the first substrate 411 and the first connection sheet 412 for being fixedly connected with described first substrate, 411 one end, and the described 6th
Confluence piece 42 includes the second substrate 421 and the second connection sheet 422 being fixedly connected with one end of second substrate 421.It is described
First connection sheet 412 is abutted with the same side edge of a substrate 11 respectively with second connection sheet 422, and described first connects
It is fixedly installed insulation protection structure 13 on the substrate 11 between contact pin 412 and second connection sheet 422.This embodiment party
In formula, first substrate 411 and second substrate 421 are generally shaped like " u "-shaped, first substrate 411 with it is described
Third confluence piece 35 is corresponded to and is electrically connected with the cathode of one group of battery core 20, second substrate 421 and the 4th confluence piece
36 correspond to and are electrically connected with the anode of another group of battery core 20.
50 quantity of the baffle be two, two baffles 50 respectively with it is described first confluence piece 30 and it is described second confluence piece
40 abut simultaneously clamping away from the surface of the receiving cartridge 12 is contained in the card slot 112.It is offered on the baffle 50 and institute
State the second through-hole 51 that first through hole 111 is corresponded and is connected to.In present embodiment, the shape of the baffle 50 and the base
The shape of plate 11 corresponds to.
Please refer to Figure 10 and Figure 11, when converging to battery core 20, electric current from followed by first connection sheet 412,
First substrate, 411, battery cores 20, third confluence piece 35, the 4th confluence piece 36, another battery core 20, institute
The second substrate 421 and the second connection sheet 422 are stated, the distance that electric current flows through each battery core 20 is almost the same, resistance is almost the same,
Ensure the harmony of the battery core 20.
Battery module structure 100 provided by the utility model, by electric current followed by the 5th confluence piece 41, one
A battery core 20, the first confluence piece 30, another battery core 20 and the 6th confluence piece 42, realize electric current and flow through each electricity
The distance of core is almost the same, resistance is almost the same, it is ensured that the harmony of the battery core 20.In addition it is provided in each receiving cartridge 12
Fixed strip 122 prevents the battery core 20 from rotating.Battery module structure 100 provided by the utility model, the degree of modularity are high, solid
Fixed secured and described 20 consistency of battery core is good.
The utility model is not only in the description and the implementation described, therefore for the personnel of familiar field
For other advantage and modification is easily implemented, therefore without departing substantially from universal defined by claim and equivalency range
Spirit and scope in the case of, the utility model is not limited to specific details, representative equipment and shown here as with retouch
The diagram example stated.
Claims (9)
1. a kind of battery module structure, it is characterised in that：Including two be spaced be oppositely arranged holder, be contained in two holders it
Between multiple battery cores, be connected to the opposite both sides of two holders respectively and be electrically connected respectively with the both ends of each battery core first converge
It flow and the second confluence piece and bears against and deviates from the surface of corresponding holder in the first confluence piece and the second confluence piece
Baffle；Multiple battery cores be divided into the anode of quantity identical two groups and one of which battery core be located at the cathode of another set battery core it is same
In one plane；The first confluence piece includes the third confluence piece and the 4th confluence piece of electrical communication, the second confluence piece packet
The 5th confluence piece and the 6th confluence piece are included, wherein the 5th confluence piece includes the first substrate, the 6th confluence piece includes the
Two substrates；The cathode of one of which battery core is electrically connected with third confluence piece, anode is electrically connected with first substrate,
The anode of another set battery core converges with the described 4th, and piece is electrically connected, cathode is electrically connected with second substrate.
2. battery module structure as described in claim 1, it is characterised in that：Described two holders are symmetrical arranged, each holder
Multiple receiving cartridges are extended to form including substrate and from the substrate side opposite with another holder；The bottom of each receiving cartridge
Portion offers the connecting hole through the substrate；The both ends of each battery core are contained in corresponding two receivings of two holders respectively
In cylinder and across corresponding two connecting holes.
3. battery module structure as claimed in claim 2, it is characterised in that：The receiving cartridge is cylindrical, the connecting hole
Rounded and be coaxially disposed with a corresponding receiving cartridge, the diameter of the connecting hole is less than the diameter of the receiving cartridge；The electricity
The shape of core is that cylindric and diameter is corresponding with the diameter of the receiving cartridge.
4. battery module structure as claimed in claim 2, it is characterised in that：It is offered on the substrate multiple through the base
The first through hole of plate；The shape of the baffle is corresponding with the shape of the substrate, offers on the baffle and leads to described first
The second through-hole that hole corresponds and is connected to.
5. battery module structure as claimed in claim 2, it is characterised in that：The substrate is opened away from the surface of the receiving cartridge
Equipped with card slot, the shape of the card slot is corresponding with the substrate, and the first confluence piece distinguishes clamping with the second confluence piece
It is fixed in the card slot of two holders；Each card slot extends to form multiple card columns away from the surface of the receiving cartridge, and described first
Confluence piece and the second confluence on piece offer card hole corresponding with the card column respectively；The baffle clamping is contained in described
In card slot.
6. battery module structure as claimed in claim 2, it is characterised in that：The inner surface of the receiving cartridge extends to form multiple
Fixed strip for fastening battery core, the fixed strip is in strip and multiple fixed strips are in matrix distribution and perpendicular to the base
Plate.
7. battery module structure as claimed in claim 5, it is characterised in that：The first confluence piece and the second confluence piece
The first welding groove and the second welding groove are offered, wherein first welding groove includes the first fixing groove, second welding
Slot includes the second fixing groove and the mounting hole that is connected with second fixing groove；First welding groove is located at described first and converges
The edge of piece and the second confluence piece, side of second welding groove far from the first confluence piece with the second confluence piece
Edge；The first confluence piece is fixedly connected by welding aluminium strip with the both ends of the battery core respectively with the second confluence piece,
Described in welding aluminium strip one end be directly fixedly connected with first fixing groove or pass through the mounting hole and described second
Fixing groove is fixedly connected, and the other end and the anode or cathode of battery core are fixed.
8. battery module structure as claimed in claim 7, it is characterised in that：The first confluence piece is fixed away from described first
The surface of slot and the card slot abut and electric with one of which respectively by the welding aluminium strip away from the surface of the receiving cartridge
The anode of core and the cathode of another set battery core are connected；The 5th confluence piece converges piece away from described first with the described 6th
The surface of fixing groove is abutted with the card slot away from the surface of the receiving cartridge.
9. battery module structure as claimed in claim 8, it is characterised in that：It is described 5th confluence piece further include and described first
The first connection sheet that substrate one end is fixedly connected, the 6th confluence piece further includes being fixedly connected with one end of second substrate
The second connection sheet；First connection sheet is abutted with the same side edge of a substrate respectively with second connection sheet, and
It is fixedly installed insulation protection structure on substrate between first connection sheet and second connection sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721390276.0U CN207719266U (en) | 2017-10-24 | 2017-10-24 | A kind of battery module structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721390276.0U CN207719266U (en) | 2017-10-24 | 2017-10-24 | A kind of battery module structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207719266U true CN207719266U (en) | 2018-08-10 |
Family
ID=63060823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721390276.0U Expired - Fee Related CN207719266U (en) | 2017-10-24 | 2017-10-24 | A kind of battery module structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207719266U (en) |
-
2017
- 2017-10-24 CN CN201721390276.0U patent/CN207719266U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180810 Termination date: 20181024 |