CN207489987U - Lithium ion battery exempts from spot welding connector, exempts from spot welding connection structure and battery modules - Google Patents
Lithium ion battery exempts from spot welding connector, exempts from spot welding connection structure and battery modules Download PDFInfo
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- CN207489987U CN207489987U CN201721277555.6U CN201721277555U CN207489987U CN 207489987 U CN207489987 U CN 207489987U CN 201721277555 U CN201721277555 U CN 201721277555U CN 207489987 U CN207489987 U CN 207489987U
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- ion battery
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The utility model belongs to technical field of lithium ion, more particularly to a kind of lithium ion battery exempts from spot welding connector, exempts from spot welding connection structure and battery modules, this is exempted from spot welding connector and includes connection substrate and the first connection lateral plate and the second connection lateral plate set on connection substrate outer rim, first connection lateral plate has the first connection shrapnel and the first connection end, and the second connection lateral plate has the second connection shrapnel and second connection end portion.Compared with the prior art, 1）The utility model is simple in structure, is not susceptible to deformation, manufacture is low with maintenance cost, can carry out arbitrary dismounting and connection；2）First connection shrapnel, the second connection shrapnel, the first connection end, second connection end portion and connection substrate five parts can press with lithium ion battery respectively to be formed three-dimensional surface and contacts, contact resistance is substantially reduced, traditional spot welding connection can be replaced to be connected with existing point contact；3）It can avoid the problem that existing spring detent is susceptible to consistent sexual deviation and causes and lithium ion battery loose contact.
Description
Technical field
The utility model belongs to technical field of lithium ion more particularly to a kind of lithium ion battery exempt from spot welding connector,
Exempt from spot welding connection structure and battery modules.
Background technology
Lithium ion battery is a kind of extremely extensive power supply of purposes, it generally can according to needed for load voltage and capacity will
It asks, connection in series-parallel combination is carried out using multiple single batteries, voltage is improved by series connection, capacity is improved by parallel connection.Current side
Method is that a certain number of single batteries are respectively linked together all anodes using a bus-bar first, then with another confluence
Row links together all cathode, forms a parallel branch in this way.Same position will be corresponded in multiple parallel branch
Single battery is attached according to positive and negative anodes sequence and forms multiple series branches, and material is thus formed the strings of multiple single batteries
Parallel combination, thus the fixation between bus-bar and the welding of battery plus-negative plate and battery and battery be assembling accumulator or
The step of battery pack must carry out, and operation is also cumbersome, and security performance is not also high.
When present battery pack carries out assembly and connection, single battery and connection sheet are welded by electric resistance welding, Laser Welding, aluminium wire etc.
Technology is welded to connect, and easily causes single battery damage, and the assembly process is complicated, and manufacture is of high cost, and quality management and control is difficult；
And the battery pack by being welded to form, repair and maintenance cost are high, and single battery secondary use rate is low.Therefore, in order to improve
Production efficiency reduces cost, the versatility for merging product, therefore there is an urgent need to release for the structure assembling scheme of simple general use.
Wherein, notification number is that the Chinese patent of 205355113 U of CN discloses a kind of assembling knot of battery pack spring leaf
Structure with reference to shown in Fig. 1, includes base in cathode welding Li-ion batteries piles with a kind of special spring leaf, this spring leaf 1 '
Piece 11 ' and eight spring detents 12 ' stretched out by 11 ' peripheral sink of substrate top and four locating detents being located between spring detent
13 ', wherein, spring detent 12 ' is as conductive contact film, and locating detent 13 ' is for positioning.During concrete application, pressed from both sides with this spring detent 12 '
The body of battery is held, the welding in battery floor is omitted, reduces the injury to battery, improves the peace of battery to a certain extent
Full property and reliability.
However, the battery pack assembling structure has the following problems：Firstth, since spring leaf is metal material, although set up
Locating detent, but spring detent thereon is upheld outward, and still bad positioning when being packed into battery clamp easily scratches plastic material
Battery clamp, operating difficulties also limit do mechanization operation, and it is more to consume manpower.Secondth, between the spring detent and battery body
Point contact connection is connected as, such connection mode causes the impedance between spring detent and battery larger since contact surface is small, from
And influence the overcurrent performance of battery pack.Third, the connection mode of spring detent point contact require eight spring detents highly consistent,
There is consistent sexual deviation in any one spring detent, will influence reliability or even be also possible to that spring leaf connect with single battery
It can lead to the two loose contact, so as to influence battery performance and packaging efficiency.
In view of the above-mentioned problems, it is necessary to propose a kind of technical solution solved the problems, such as.
Utility model content
One of the purpose of this utility model is：There is provided it is a kind of manufacture it is low with maintenance cost, can be needed according to product into
The detachable assembling of row, and the reliable lithium ion battery of stable connection exempts from spot welding connector.
To achieve these goals, the utility model uses following technical scheme：
A kind of lithium ion battery exempts from spot welding connector, including connection substrate and the first connecting side set on connection substrate outer rim
Piece and the second connection lateral plate, the first connection lateral plate have the first connection shrapnel and the first connection end, second connection
Lateral plate has the second connection shrapnel and second connection end portion.
Exempt from the preferred embodiment of spot welding connector, the first connection shrapnel as lithium ion battery described in the utility model
With concaved circular cambered surface in first；The second connection shrapnel has concaved circular cambered surface in second.Pass through what is set on connection shrapnel
On the one hand connector with interior concaved circular cambered surface can be held fixedly lithium ion battery, lithium ion battery is avoided to loosen；
On the other hand it can increase the contact area of lithium ion battery and connector, reduce contact impedance between the two.
Exempt from the preferred embodiment of spot welding connector, the first connection lateral plate as lithium ion battery described in the utility model
First through hole is provided with, the first connection shrapnel is downwardly extending along the upper side wall of the first through hole；Described second connects
It connects lateral plate and is provided with the second through-hole, the second connection shrapnel is downwardly extending along the upper side wall of second through-hole.In this way
Setting can make the first connection shrapnel and second connect shrapnel keep certain elasticity, so as to utilize mechanical stress and elasticity
Deformation is reliably connected with lithium ion battery formation.
Exempt from the preferred embodiment of spot welding connector, the first connection lateral plate as lithium ion battery described in the utility model
Lateral plate is connect with described second to be oppositely arranged.
Exempt from the preferred embodiment of spot welding connector, the first connection shrapnel as lithium ion battery described in the utility model
Shrapnel is connect with described second to be oppositely arranged.
Exempt from the preferred embodiment of spot welding connector as lithium ion battery described in the utility model, it is described to connect in substrate
Portion offers third through-hole, and the bottom end of the third through-hole is provided with compressing piece.The compressing piece of setting is used to connect lithium-ion electric
The positive or negative pole collector plate in pond.
Exempt from the preferred embodiment of spot welding connector as lithium ion battery described in the utility model, the compressing piece includes edge
The linkage section and the crimp segment being bent to form in the horizontal direction by linkage section that the one side wall of third through-hole extends outward to form.This
The setting of sample can make compressing piece keep certain elasticity, improve what it connect with the positive or negative pole collector plate of lithium ion battery
Reliability.
Exempt from the preferred embodiment of spot welding connector, the first connection end as lithium ion battery described in the utility model
Including the upper end by the first connection lateral plate inwardly curved swaging into the first inner connecting end and shape turned down by the first inner connecting end outward
Into the first outer connecting pin；Second connection end portion include by second connection lateral plate upper end inwardly curved swaging into second in connect
It holds and turns down the second outer connecting pin formed outward by the second inner connecting end.Wherein, the first inner connecting end and the second inner connecting end
Press respectively with the side wall surface of lithium ion battery and be bonded, and the first outer connecting pin and the second outer connecting pin can be respectively to connecting in first
It connects end and the second inner connecting end plays reinforcement and stabilization, so as to improve the reliability being connect with lithium ion battery.
Compared with the prior art, a kind of lithium ion battery of the utility model exempts from spot welding connector, including connection substrate and sets
In connection substrate outer rim first connection lateral plate and second connection lateral plate, it is described first connection lateral plate have first connection shrapnel and
First connection end, the second connection lateral plate have the second connection shrapnel and second connection end portion.The utility model it is beneficial
Effect is mainly manifested in：1）It is simple in structure, deformation is not susceptible to, manufacture is low with maintenance cost, can carry out arbitrary dismounting and company
It connects；2）First connection shrapnel, the second connection shrapnel, the first connection end, second connection end portion and connection substrate five parts can
It to form three-dimensional surface to press respectively with lithium ion battery and contacts, substantially reduce contact resistance, traditional spot welding can be replaced to connect
It is connected with existing point contact；3）Existing spring detent can effectively be avoided to be susceptible to consistent sexual deviation and caused and lithium ion
The problem of battery loose contact.
The two of the purpose of this utility model are：A kind of lithium ion battery is provided and exempts from spot welding connection structure, including above-mentioned
Connector and lithium ion battery described in one section, the first connection shrapnel, the second connection shrapnel, first connecting pin
Portion, the second connection end portion and the connection substrate form compressive contact formula with the lithium ion battery respectively and connect.
Exempt from the preferred embodiment of spot welding connection structure, the lithium ion battery as lithium ion battery described in the utility model
For column lithium ion battery, the one end of the column lithium ion battery forms compressive contact formula with the connection substrate and connects
It connects, the side wall of the column lithium ion battery connect shrapnel, the second connection shrapnel, the first connection end with described first respectively
Compressive contact formula is formed with second connection end portion to connect.
Exempt from the preferred embodiment of spot welding connection structure, the compressive contact formula as lithium ion battery described in the utility model
It is connected as the connection of compressive contact formula face.
Exempt from the preferred embodiment of spot welding connection structure, the first indent circle as lithium ion battery described in the utility model
In the radius of curvature of cambered surface and described second radius of curvature of concaved circular cambered surface respectively with the column lithium ion battery side wall surface
Radius of curvature it is equal.Ensure that the first connection shrapnel and the second connection shrapnel can be perfect with column lithium ion battery in this way
Fitting, further reduces contact impedance.
Exempt from the preferred embodiment of spot welding connection structure, first connecting pin as lithium ion battery described in the utility model
The radius of curvature in portion and the radius of curvature in the second connection end portion song with the column lithium ion battery side wall surface respectively
Rate radius is equal.Ensure that the first connection end and second connection end portion perfect can be pasted with column lithium ion battery in this way
It closes, further reduces contact impedance.
Compared with the prior art, a kind of lithium ion battery of the utility model exempts from spot welding connection structure, including exempting from spot welding connection
Part and lithium ion battery, the first connection shrapnel, the second connection shrapnel, the first connection end, described second connect
It connects end and the connection substrate forms compressive contact formula with the lithium ion battery respectively and connect.The beneficial effect of the utility model
Fruit is mainly manifested in：1）Connection can arbitrarily be combined with connector using lithium ion battery, form the battery of different voltages and capacity
Group；2）Using lithium ion battery and connector can any direction be combined and connect, meet the needs of different spaces, and can make
Each lithium ion battery is modularly connected in series or in parallel as building blocks, connects the battery pack of composition without carrying out electrode again
Between be welded to connect；3）There are the first connection shrapnel, the second connection shrapnel, the first connection end, the second connection using connector
End and connection substrate five parts are pressed with lithium ion battery to be formed three-dimensional surface and contacts, and substantially reduces contact resistance, instead of
Traditional spot welding connection is connected with existing point contact；4）It also is able to greatly improve connector by the way of pressing face contact
The reliability connected with lithium ion battery effectively avoids causing loose contact using the consistent sexual deviation that spring detent connection occurs
The problem of；5）Arbitrarily it can dismantle and connect, simple for process, maintenance cost is low.
The three of the purpose of this utility model are：A kind of lithium ion battery module is provided, including insulation fixed frame, is set respectively
The anode collection plate and negative pole currect collecting plate at insulation fixed frame both ends are put, the insulation fixed mount setting has several mounting holes,
It is equipped in the mounting hole described in any of the above-described section and exempts from spot welding connection structure, the both ends difference for exempting from spot welding connection structure
It is electrically connected with anode collection plate and negative pole currect collecting plate.
As the preferred embodiment of lithium ion battery module described in the utility model, the one end of the negative pole currect collecting plate is set
Cathode external terminal is equipped with, cathode connecting hole is provided in the middle part of the cathode external terminal；One end of the anode collection plate
Portion is provided with anode external terminal, and anode connecting hole is provided in the middle part of the anode external terminal.
As the preferred embodiment of lithium ion battery module described in the utility model, the anode collection plate is provided with and lithium
The one-to-one shrapnel accommodating hole of positive terminal of ion battery, the bottom end of the shrapnel accommodating hole are provided with anode connection shrapnel,
The positive terminal of the anode connection shrapnel and the lithium ion battery is electrically connected.
As the preferred embodiment of lithium ion battery module described in the utility model, if being provided on the insulation fixed frame
Dry mounting hole.The mounting hole of setting is used for mounting fixing parts, with the entire battery modules of fixation, so as to improve the steady of battery modules
Solidity, while promote the reliability that lithium ion battery is connect with connector.
As the preferred embodiment of lithium ion battery module described in the utility model, the mounting hole is arranged on arbitrary neighborhood
Four mounting holes between middle position.
Compared with the prior art, a kind of lithium ion battery module of the utility model including insulation fixed frame, is separately positioned on
The anode collection plate and negative pole currect collecting plate at insulation fixed frame both ends, the insulation fixed mount setting has several mounting holes, described
Be equipped in mounting hole described in any of the above-described section and exempt from spot welding connection structure, the both ends for exempting from spot welding connection structure respectively with just
Pole collector plate and negative pole currect collecting plate are electrically connected.The beneficial effects of the utility model are mainly manifested in：This battery modules assembling knot
Structure greatly simplifies production technology and reduces cost, effectively improves production efficiency and production quality, while it is numerous also to eliminate spot welding
Production cost greatly reduces in the operation of trivial technique and equipment, easy disassembly and maintenance, improves production efficiency.
Description of the drawings
Fig. 1 is the vertical view of chip architecture of the spring in the prior art.
Fig. 2 is the structure diagram for exempting from spot welding connector of the utility model.
Fig. 3 is the front view of Fig. 2.
Fig. 4 is the structure diagram for exempting from spot welding connection structure of the utility model.
Fig. 5 is along the sectional view of line A-A in Fig. 4.
Fig. 6 is the partial enlarged view of D in Fig. 5.
Fig. 7 is along the sectional view of line B-B in Fig. 4.
Fig. 8 is along the sectional view of line C-C in Fig. 4.
Fig. 9 is the structure diagram of the lithium ion battery module of the utility model.
Figure 10 is the structural exploded view of Fig. 9.
In figure：1 '-spring leaf；11 '-substrate；12 '-spring detent；13 '-locating detent；1- connectors；11- connection substrates；
111- third through-holes；The connection lateral plates of 12- first；The connection shrapnels of 121- first；The connections of 122- first end；Connect in 1221- first
Connect end；The first outer connecting pins of 1222-；123- first through hole；The connection lateral plates of 13- second；The connection shrapnels of 131- second；132- second
Connect end；The second inner connecting ends of 1321-；The second outer connecting pins of 1322-；The second through-holes of 133-；14- compressing pieces；141- connections
Section；142- crimp segments；2- lithium ion batteries；3- insulation fixed frames；31- mounting holes；32- mounting holes；4- anode collection plates；41-
Anode external terminal；411- anode connecting holes；42- shrapnel accommodating holes；43- anodes connect shrapnel；5- negative pole currect collecting plates；51- is born
Pole external terminal；511- cathode connecting holes.
Specific embodiment
To make the technical solution of the utility model and advantage clearer, below in conjunction with specific embodiment, to this practicality
Novel technical solution is clearly and completely described, it is clear that described embodiment is that the utility model part is implemented
Example, instead of all the embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making wound
All other embodiments obtained under the premise of the property made labour, shall fall within the protection scope of the present invention.
Specific embodiment 1
As shown in Fig. 2 ~ 3, a kind of lithium ion battery exempts from spot welding connector, including connection substrate 11 and set on connection substrate 11
First connection lateral plate 12 and second of outer rim connects lateral plate 13, and the first connection lateral plate 12 has the first connection shrapnel 121 and first
End 122 is connected, the second connection lateral plate 13 has the second connection shrapnel 131 and second connection end portion 132, the first connection lateral plate 12
Lateral plate 13 is connect with second to be oppositely arranged, the first connection shrapnel 121 connect shrapnel 131 with second and is oppositely arranged.
Wherein, the first connection shrapnel 121 has concaved circular cambered surface in first；Second connection shrapnel 131 is justified with the second indent
Cambered surface.By the connector 1 with interior concaved circular cambered surface set on connection shrapnel, lithium ion on the one hand can be held fixedly
Battery 2 avoids lithium ion battery 2 from loosening；On the other hand it can increase the contact area of lithium ion battery 2 and connector 1,
Reduce contact impedance between the two.
Preferably, the first connection lateral plate 12 is provided with first through hole 123, is extended downwardly along the upper side wall of first through hole 123
Form the first connection shrapnel 121；Second connection lateral plate 13 is provided with the second through-hole 133, downward along the upper side wall of the second through-hole 133
Extend to form the second connection shrapnel 131.Such setting can be such that the first connection shrapnel 121 and the second connection shrapnel 131 protects
Certain elasticity is held, so as to be reliably connected using mechanical stress and elastic deformation with the formation of lithium ion battery 2.
Preferably, the middle part of connection substrate 11 offers third through-hole 111, and the bottom end of third through-hole 111, which is provided with, to be used for
The compressing piece 14 of the positive or negative pole collector plate 5 of lithium ion battery 2 is connected, compressing piece 14 is included along the side of third through-hole 111
The linkage section 141 and the crimp segment 142 being bent to form in the horizontal direction by linkage section 141 that wall extends outward to form.It is such to set
The elasticity that compressing piece 14 can be made to keep certain is put, that improves that it connect with the positive or negative pole collector plate 5 of lithium ion battery 2 can
By property.
Preferably, first connection end 122 include by first connection lateral plate 12 upper end inwardly curved swaging into first in
Connecting pin 1221 and the first outer connecting pin 1222 formed is turned down by the first inner connecting end 1221 outward；Second connection end portion 132
Including by second connection lateral plate 13 upper end inwardly curved swaging into the second inner connecting end 1321 and by the second inner connecting end 1321
The second outer connecting pin 1322 that fold is formed outward.Wherein, the first inner connecting end 1221 and the second inner connecting end 1321 respectively with
The side wall surface of lithium ion battery 2 presses fitting, and the first outer 1222 and second outer connecting pin 1322 of connecting pin can be respectively to first
1221 and second inner connecting end 1321 of inner connecting end plays reinforcement and stabilization, so as to improve what is connect with lithium ion battery 2
Reliability.
Specific embodiment 2
As shown in Fig. 4 ~ 8, a kind of lithium ion battery exempts from spot welding connection structure, 1 He of connector including specific embodiment 1
Lithium ion battery 2, the first connection shrapnel 121, second connect shrapnel 131, first and connect end 122,132 and of second connection end portion
Connection substrate 11 forms compressive contact formula face with lithium ion battery 2 respectively and connect.
Preferably, lithium ion battery 2 is column lithium ion battery 2, the one end of column lithium ion battery 2 and connection
Substrate 11 forms the connection of compressive contact formula face, and the side wall of column lithium ion battery 2 connect shrapnel 121, second with first respectively
Connection shrapnel 131, first connects end 122 and is connected with the formation compressive contact formula face of second connection end portion 132.
Preferably, in first in the radius of curvature and second of concaved circular cambered surface the radius of curvature of concaved circular cambered surface respectively with cylinder
The radius of curvature of 2 side wall surface of lithium ion battery is equal；In this way ensure first connection shrapnel 121 and second connect shrapnel 131 with
Column lithium ion battery 2 perfect can be bonded, and further reduce contact impedance.
Preferably, first connection end 122 radius of curvature and second connection end portion 132 radius of curvature respectively with cylinder
The radius of curvature of 2 side wall surface of shape lithium ion battery is equal；Ensure that the first connection end 122 and second connection end portion 132 are equal in this way
It perfect can be bonded with column lithium ion battery 2, further reduce contact impedance.
Specific embodiment 3
As shown in Fig. 9 ~ 10, a kind of lithium ion battery module including insulation fixed frame 3, is separately positioned on insulation fixed frame 3
The anode collection plate 4 at both ends and negative pole currect collecting plate 5, insulation fixed frame 3 are provided with several mounting holes 31, are installed in mounting hole 31
Have specific embodiment 2 exempts from spot welding connection structure, exempt from the both ends of spot welding connection structure respectively with anode collection plate 4 and cathode collection
Flowing plate 5 is electrically connected；Wherein, the one end of negative pole currect collecting plate 5 is provided with cathode external terminal 51, in cathode external terminal 51
Portion is provided with cathode connecting hole 511；The one end of anode collection plate 4 is provided with anode external terminal 41, anode external terminal 41
Middle part be provided with anode connecting hole 411.
Preferably, anode collection plate 4 be provided with the one-to-one shrapnel accommodating hole 42 of the positive terminal of lithium ion battery 2,
The bottom end of shrapnel accommodating hole 42 is provided with anode connection shrapnel 43, the positive terminal electricity of anode connection shrapnel 43 and lithium ion battery 2
Property connection.
Preferably, several mounting holes 32 are provided on insulation fixed frame 3, mounting hole 32 is arranged on four of arbitrary neighborhood
Middle position between mounting hole 31.The mounting hole 32 of setting is used for mounting fixing parts, with the entire battery modules of fixation, so as to carry
The stability of high battery modules, while promote the reliability that lithium ion battery 2 is connect with connector 1.
Compared with the prior art, this battery modules package assembly greatly simplifies production technology and reduces cost, effectively carries
High efficiency and production quality, while the operation of the cumbersome technique of spot welding and equipment is also eliminated, easy disassembly and maintenance, greatly
Production cost is reduced, improves production efficiency.
According to the disclosure and teachings of the above specification, the utility model those skilled in the art also is able to above-mentioned reality
The mode of applying is changed and is changed.Therefore, the utility model is not limited to above-mentioned specific embodiment, every this field skill
It is new that art personnel any conspicuously improved, replacement made on the basis of the utility model or modification belong to this practicality
The protection domain of type.In addition, although having used some specific terms in this specification, these terms are intended merely to facilitate
It is bright, any restrictions are not formed to the utility model.
Claims (18)
1. a kind of lithium ion battery exempts from spot welding connector, it is characterised in that：Including connection substrate and set on connection substrate outer rim
First connection lateral plate and the second connection lateral plate, the first connection lateral plate have the first connection shrapnel and the first connection end, institute
The second connection lateral plate is stated with the second connection shrapnel and second connection end portion.
2. lithium ion battery according to claim 1 exempts from spot welding connector, it is characterised in that：The first connection shrapnel tool
There is concaved circular cambered surface in first；The second connection shrapnel has concaved circular cambered surface in second.
3. lithium ion battery according to claim 1 exempts from spot welding connector, it is characterised in that：The first connection lateral plate is set
First through hole is equipped with, the first connection shrapnel is downwardly extending along the upper side wall of the first through hole；Second connection
Lateral plate is provided with the second through-hole, and the second connection shrapnel is downwardly extending along the upper side wall of second through-hole.
4. lithium ion battery according to claim 1 exempts from spot welding connector, it is characterised in that：It is described first connection lateral plate with
The second connection lateral plate is oppositely arranged.
5. lithium ion battery according to claim 1 exempts from spot welding connector, it is characterised in that：It is described first connection shrapnel with
The second connection shrapnel is oppositely arranged.
6. lithium ion battery according to claim 1 exempts from spot welding connector, it is characterised in that：The middle part of the connection substrate
Third through-hole is offered, the bottom end of the third through-hole is provided with compressing piece.
7. lithium ion battery according to claim 6 exempts from spot welding connector, it is characterised in that：The compressing piece is included along the
The linkage section and the crimp segment being bent to form in the horizontal direction by linkage section that the one side wall of three through-holes extends outward to form.
8. lithium ion battery according to claim 1 exempts from spot welding connector, it is characterised in that：The first connection end packet
Include by the first connection lateral plate upper end inwardly curved swaging into the first inner connecting end and being turned down outward by the first inner connecting end formed
The first outer connecting pin；Second connection end portion include by second connection lateral plate upper end inwardly curved swaging into second in connect
It holds and turns down the second outer connecting pin formed outward by the second inner connecting end.
9. a kind of lithium ion battery exempts from spot welding connection structure, it is characterised in that：It is connected including claim 1 ~ 8 any one of them
Part and lithium ion battery, the first connection shrapnel, the second connection shrapnel, the first connection end, described second connect
It connects end and the connection substrate forms compressive contact formula with the lithium ion battery respectively and connect.
10. lithium ion battery according to claim 9 exempts from spot welding connection structure, it is characterised in that：The lithium ion battery
For column lithium ion battery, the one end of the column lithium ion battery forms compressive contact formula with the connection substrate and connects
It connects, the side wall of the column lithium ion battery connect shrapnel, the second connection shrapnel, the first connection end with described first respectively
Compressive contact formula is formed with second connection end portion to connect.
11. lithium ion battery according to claim 10 exempts from spot welding connection structure, it is characterised in that：The compressive contact formula
It is connected as the connection of compressive contact formula face.
12. the lithium ion battery according to claim 10 or 11 exempts from spot welding connection structure, it is characterised in that：In described first
In the radius of curvature of concaved circular cambered surface and described second radius of curvature of concaved circular cambered surface respectively with the column lithium ion battery side
The radius of curvature of wall surface is equal.
13. the lithium ion battery according to claim 10 or 11 exempts from spot welding connection structure, it is characterised in that：Described first connects
Connect end radius of curvature and the second connection end portion radius of curvature respectively with the column lithium ion battery side wall surface
Radius of curvature it is equal.
14. a kind of lithium ion battery module, it is characterised in that：Including insulation fixed frame, it is separately positioned on insulation fixed frame both ends
Anode collection plate and negative pole currect collecting plate, it is described insulation fixed mount setting have several mounting holes, be equipped in the mounting hole
Claim 9 ~ 13 any one of them exempts from spot welding connection structure, the both ends for exempting from spot welding connection structure respectively with anode collection
Plate and negative pole currect collecting plate are electrically connected.
15. lithium ion battery module according to claim 14, it is characterised in that：The one end of the negative pole currect collecting plate is set
Cathode external terminal is equipped with, cathode connecting hole is provided in the middle part of the cathode external terminal；One end of the anode collection plate
Portion is provided with anode external terminal, and anode connecting hole is provided in the middle part of the anode external terminal.
16. lithium ion battery module according to claim 14, it is characterised in that：The anode collection plate is provided with and lithium
The one-to-one shrapnel accommodating hole of positive terminal of ion battery, the bottom end of the shrapnel accommodating hole are provided with anode connection shrapnel,
The positive terminal of the anode connection shrapnel and the lithium ion battery is electrically connected.
17. lithium ion battery module according to claim 14, it is characterised in that：If it is provided on the insulation fixed frame
Dry mounting hole.
18. lithium ion battery module according to claim 17, it is characterised in that：The mounting hole is arranged on arbitrary neighborhood
Four mounting holes between middle position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721277555.6U CN207489987U (en) | 2017-09-30 | 2017-09-30 | Lithium ion battery exempts from spot welding connector, exempts from spot welding connection structure and battery modules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721277555.6U CN207489987U (en) | 2017-09-30 | 2017-09-30 | Lithium ion battery exempts from spot welding connector, exempts from spot welding connection structure and battery modules |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207489987U true CN207489987U (en) | 2018-06-12 |
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ID=62479236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721277555.6U Active CN207489987U (en) | 2017-09-30 | 2017-09-30 | Lithium ion battery exempts from spot welding connector, exempts from spot welding connection structure and battery modules |
Country Status (1)
| Country | Link |
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| CN (1) | CN207489987U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7475358B2 (en) | 2019-03-08 | 2024-04-26 | ジョン・ディア・エレクトリク・パワートレイン・リミテッド・ライアビリティ・カンパニー | Apparatus for releasably contacting battery cells - Patent application |
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2017
- 2017-09-30 CN CN201721277555.6U patent/CN207489987U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7475358B2 (en) | 2019-03-08 | 2024-04-26 | ジョン・ディア・エレクトリク・パワートレイン・リミテッド・ライアビリティ・カンパニー | Apparatus for releasably contacting battery cells - Patent application |
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