CN209418621U - A kind of flexible arm fusing function cell connector - Google Patents
A kind of flexible arm fusing function cell connector Download PDFInfo
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- CN209418621U CN209418621U CN201920011120.XU CN201920011120U CN209418621U CN 209418621 U CN209418621 U CN 209418621U CN 201920011120 U CN201920011120 U CN 201920011120U CN 209418621 U CN209418621 U CN 209418621U
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- Prior art keywords
- battery
- parallel
- electrically connected
- welding
- salient point
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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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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model discloses a kind of flexible arm fusing function cell connectors of field of new energy technologies, including welding battery and overlap welding battery in parallel, the top center of the parallel weldering battery is electrically connected with the first battery and is electrically connected piece, parallel weldering conductive sheet is welded at the top of the parallel weldering battery, parallel weldering salient point there are four being electrically connected on front side of the top of the parallel weldering conductive sheet, the bottom of the parallel weldering salient point and the first battery are electrically connected piece welding, overlap welding salient point there are two being electrically connected on front side of the top of the overlap welding conductive sheet, the bottom of the overlap welding salient point and the second battery are electrically connected piece welding, overlap welding electric shock baton is electrically connected at the top of the overlap welding salient point, the parallel weldering conductive sheet and overlap joint being arranged by welding battery in parallel with the top of overlap welding battery The combination of the devices such as conductive sheet is welded, improves the safety of conductive sheet, while improving firm welding.
Description
Technical field
The utility model relates to field of new energy technologies, specially a kind of flexible arm fusing function cell connector.
Background technique
It by lithium metal or lithium alloy is negative electrode material, using the battery of non-aqueous electrolytic solution that lithium battery, which is a kind of,.1912
Year lithium metal battery is proposed and is studied by Gilbert N.Lewis earliest.When the 1970s, M.S.Whittingham is mentioned
Out and the lithium ion battery that begins one's study.Since the chemical characteristic of lithium metal is very active, so that the processing of lithium metal, saving, making
With very high to environmental requirement.With the development of science and technology, present lithium battery has become mainstream.
Lithium battery is broadly divided into two classes: lithium metal battery and lithium ion battery.Lithium ion battery is without containing metallic state
Lithium, and can charge.5th generation product lithium metal battery of rechargeable battery was born in 1996, safety, ratio
Capacity, self-discharge rate and the ratio of performance to price are superior to lithium ion battery.Since the high-tech of its own requires limitation, now only
The company of a few countries is producing this lithium metal battery.
There are multiple lithium batteries to be attached according to method in parallel, lithium battery pack can be obtained, lithium battery pack is often made
It is used as drive energy in electric vehicle, is formed between each monomer cylindrical lithium battery core of lithium battery pack by serial or parallel connection
Lithium battery mould group needs lithium cell core serial or parallel connection with conductive metal connecting sheet, how by conductive connecting piece with lithium
Battery welds together the function of reaching conductive, and common way is processed using spot welding.
The principle of spot welding processing is to pass through two metals by big current loop through two electric shock batons to weld object, utilizes two
High impedance generates high temperature melting by high current and forms welding effect between metal welding object, and spot-welding equipment is recycled to remove control electricity
Stream size, time and lower pressure go the weldability and stability between adjustment different metal material.
In addition to going adjusting parameter to reach good welds using equipment, the shape design of conductive connecting piece is also to influence welding
Property very big factor, bad shape design will cause that weldability is poor, and the welding is not firm, and especially vehicle lithium battery pack is in length
Connection sheet can be loosened with battery under time is shaken separates, and causes entire battery pack functional and the hidden danger of safety.
Utility model content
The purpose of this utility model is to provide a kind of flexible arm fusing function cell connectors, to solve above-mentioned back
The lithium battery pack welding performance difference proposed in scape technology causes use to be for a long time easy the problem of separating welder.
To achieve the above object, the utility model provides the following technical solutions: a kind of flexible arm fusing function battery
Connection sheet, including weld battery and overlap welding battery in parallel, the top center of the parallel weldering battery are electrically connected with the
One battery is electrically connected piece, and parallel weldering conductive sheet, the parallel weldering conductive sheet are welded at the top of the parallel weldering battery
Top on front side of be electrically connected there are four parallel weldering salient point, the bottom of the parallel weldering salient point electrically connects with the first battery
Contact pin is welded, and parallel weldering electric shock baton, the top of the overlap welding battery are electrically connected at the top of the parallel weldering salient point
Centre is electrically connected with the second battery and is electrically connected piece, is welded with overlap welding conductive sheet at the top of the overlap welding battery,
Be electrically connected on front side of the top of the overlap welding conductive sheet there are two overlap welding salient point, the bottom of the overlap welding salient point with
Second battery is electrically connected piece welding, is electrically connected with overlap welding electric shock baton at the top of the overlap welding salient point.
Preferably, it is provided with diversion channel notch in the middle part of the front side wall of the parallel weldering conductive sheet, the diversion channel notch is located at
The adjacent middle side part of two parallel weldering salient points.
Preferably, the top of the parallel weldering conductive sheet and overlap welding conductive sheet is electrically connected with elastic arm, the bullet
Property arm be located at overlap welding salient point and it is parallel weldering salient point the left and right sides.
Preferably, the overlap welding electric shock baton is identical as the parallel weldering material of electric shock baton.
Preferably, the parallel weldering battery is identical as the material of overlap welding battery.
Compared with prior art, the utility model has the beneficial effects that passing through a kind of flexible arm fusing function electricity
The setting of pond connection sheet, it is reasonable in design, elastic arm use tapered resilient arm structure, have elasticity can anti-vibration performance,
Avoiding the first battery from being electrically connected piece and the second battery, to be electrically connected piece electrical from parallel weldering battery core and overlap welding respectively
Junction falls off, and the tapering type design of elastic arm, and when can make to generate short circuit at solder joint, the high current instantaneously generated can be in bullet
Property arm tapered place minimum position moment generate high temperature, elastic arm fusing, to be powered off, reach defencive function, raising
The effect of point is that solder joint is allowed to be point contact, can be reached most to enable the impedance at solder joint in quantity set, is increased to generate high temperature
Good welding effect is electrically connected piece and the parallel company for welding salient point with first battery at top for welding battery in parallel
It connects, by the way of welding in parallel, the bottom end of two parallel weldering electric shock batons is electrically connected with parallel weldering salient point respectively, is made
A piece parallel electric current for welding electric shock baton is welded after salient point passes through the first battery electric connection piece in parallel by one and is reached in parallel
The inside of battery is welded, piece is then electrically connected by the first battery and welds electric shock baton in parallel from another with parallel weldering salient point
Outflow forms current loop, and the diversion channel notch on the inside of parallel weldering salient point, which is arranged in, can make to weld electric shock baton generation electricity in parallel
Stream can pass through conductive sheet and battery completely, to make to weld electric shock baton in parallel to parallel weldering salient point and the first battery electrical property
Reach optimal welding effect between connection sheet, avoids welding electric shock baton electric current in parallel directly from the first battery electric connection piece stream
The case where being arrived in another parallel weldering electric shock baton out without passing through battery core occurs, after the same method, for overlap welding electricity
Second battery at Chi Xin and top is electrically connected the connection of piece and overlap welding salient point, using lap-welded mode, by two
The bottom end of overlap welding electric shock baton is electrically connected with overlap welding salient point respectively, passes through the electric current of an overlap welding electric shock baton
The second battery is passed through after one overlap welding salient point and is electrically connected the inside for reaching parallel weldering battery after piece, then by the
Two batteries are electrically connected piece from another parallel weldering electric shock baton outflow, form current loop, complete solder joint welding, improve peace
Device shock resistance is improved while full property, while improving the fastness of solder joint.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model overlap welding battery attachment structure schematic diagram；
Fig. 3 is that the utility model welds conducting strip structure schematic diagram in parallel.
In figure: 1 parallel weldering battery, 2 parallel weldering conductive sheets, 3 parallel weldering electric shock batons, 4 parallel weldering salient points, 5 first electricity
Chi Xin is electrically connected piece, 6 overlap welding batteries, 7 overlap welding conductive sheets, 8 overlap welding salient points, 9 second batteries and is electrically connected
Piece, 10 overlap welding electric shock batons, 11 diversion channel notches, 12 elastic arms.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides the following technical solutions: a kind of flexible arm fusing function cell connector, for being promoted
Safety is improved while solder joint fastness between battery connection sheet and conductive sheet, referring to Fig. 1, including parallel weldering battery
1 with overlap welding battery 6, parallel battery 1 of welding is identical with the material of overlap welding battery 6, be used for external conductive connecting piece into
Row is in series or in parallel, reduces and repels caused by material difference, thus facilitate the production of lithium battery group, parallel weldering battery 1
Top center is electrically connected with the first battery and is electrically connected piece 5, for being attached with parallel weldering salient point 4, parallel weldering electricity
The top of pond core 1 is welded with weldering conductive sheet 2 in parallel, and there are four parallel welderings to beat for electric connection on front side of the parallel top for welding conductive sheet 2
Salient point 4, the effect of salient point are that solder joint is allowed to be point contact, can increase the impedance at solder joint, to generate height to enable in quantity set
Temperature reaches optimal welding effect, is provided with diversion channel notch 11, diversion channel notch 11 in the middle part of the parallel front side wall for welding conductive sheet 2
Electric current that electric shock baton 3 generates can be enable to weld in parallel completely by conductive sheet and battery, thus make to weld electric shock baton 3 in parallel it is right
Parallel weldering salient point 4 and the first battery, which are electrically connected between piece 5, reaches optimal welding effect, avoids welding electric shock baton 3 in parallel
Electric current is directly electrically connected piece 5 from the first battery and flows out in another parallel weldering electric shock baton 3 without the feelings by battery core
Condition occurs, and diversion channel notch 11 is located at two parallel weldering adjacent middle side parts of salient point 4, the parallel bottom for welding salient point 4 and the
One battery is electrically connected piece 5 and welds, and the parallel top for welding salient point 4 is electrically connected with parallel weldering electric shock baton 3, is used for external electrical
Stream passes through, referring to Fig. 2, the top center of overlap welding battery 6, which is electrically connected with the second battery, is electrically connected piece 9, takes
The top for connecing weldering battery 6 is welded with overlap welding conductive sheet 7, and the top of parallel weldering conductive sheet 2 and overlap welding conductive sheet 7 is electrical
Be connected with elastic arm 12, elastic arm 12 uses tapered 12 structure of elastic arm, have elasticity can anti-vibration performance, avoid the first electricity
It is de- from the junction of parallel weldering battery core and overlap welding electrical property respectively with the second battery electric connection piece 9 that Chi Xin is electrically connected piece 5
It falls, and the tapering type design of elastic arm 12, when can make to generate short circuit at solder joint, the high current instantaneously generated can be in elastic arm 12
Tapered place minimum position moment generate high temperature, elastic arm 12 fuse, to be powered off, reach defencive function, elastic arm
12 are located at the left and right sides of overlap welding salient point 8 with parallel weldering salient point 4, and the top front side of overlap welding conductive sheet 7 is electrically
There are two overlap welding salient point 8, the bottom of overlap welding salient point 8 and the second batteries to be electrically connected piece 9 and weld for connection, overlap welding
The top of salient point 8 is electrically connected with overlap welding electric shock baton 10, the material phase of overlap welding electric shock baton 10 and parallel weldering electric shock baton 3
Together.
In the specific use process, elastic arm 12 use tapered 12 structure of elastic arm, have elasticity can anti-vibration performance,
It avoids the first battery from being electrically connected piece 5 and is electrically connected piece 9 respectively from parallel weldering battery core and overlap welding electrical property with the second battery
Junction fall off, and the tapering type design of elastic arm 12, when can make to generate short circuit at solder joint, the high current meeting that instantaneously generates
Minimum position moment at the tapered place of elastic arm 12 generates high temperature, and elastic arm 12 fuses, to be powered off, reaches protection function
Can, the effect of salient point is that solder joint is allowed to be point contact, the impedance at solder joint can be increased to enable in quantity set, so that high temperature is generated,
Reach optimal welding effect, is electrically connected piece 5 and parallel weldering raising with first battery at top for welding battery 1 in parallel
The bottom end of two parallel weldering electric shock batons 3 is carried out electricity with parallel weldering salient point 4 respectively by the way of welding in parallel by the connection of point 4
Property connection, so that the electric current of a parallel weldering electric shock baton 3 is passed through the first battery by a parallel weldering salient point 4 and be electrically connected piece
The inside of parallel weldering battery 1 is reached after 5, and piece 5 and parallel weldering salient point 4 are then electrically connected from another by the first battery
Root welds the outflow of electric shock baton 3 in parallel, forms current loop, and the diversion channel notch 11 that parallel 4 inside of weldering salient point is arranged in can make
Parallel weldering electric shock baton 3 generates electric current can pass through conductive sheet and battery completely, beat to make to weld electric shock baton 3 in parallel to welding in parallel
Salient point 4 and the first battery, which are electrically connected between piece 5, reaches optimal welding effect, avoids welding 3 electric current of electric shock baton in parallel direct
The case where piece 5 flows out in another parallel weldering electric shock baton 3 without passing through battery core is electrically connected from the first battery to occur, and is pressed
According to same method, piece 9 and overlap welding salient point 8 are electrically connected for the second battery of overlap welding battery 6 and top
Connection carries out the bottom end of two overlap welding electric shock batons 10 electrically to connect with overlap welding salient point 8 respectively using lap-welded mode
It connects, the electric current of an overlap welding electric shock baton 10 is made to be electrically connected piece 9 by passing through the second battery after an overlap welding salient point 8
The inside of parallel weldering battery 1 is reached afterwards, and piece 9 is then electrically connected from another parallel weldering electric shock baton 3 by the second battery
Outflow forms current loop, completes solder joint welding, is electrically connected by welding conductive sheet 2 in parallel with parallel 4 junction of weldering salient point
The elastic arm 12 that the elastic arm 12 and overlap welding conductive sheet 7 that connect and 8 junction of overlap welding salient point are electrically connected, reaches instantaneous
The purpose of power-off improves device shock resistance while improving safety, is lacked by welding the diversion channel being provided on conductive sheet 2 in parallel
The shape setting of mouth 11 and parallel weldering salient point 4 and overlap welding salient point 8, promotes the fastness of solder joint.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of flexible arm fusing function cell connector, including battery (1) and overlap welding battery (6) are welded in parallel,
It is characterized by: the top center of parallel weldering battery (1) is electrically connected with the first battery and is electrically connected piece (5), institute
It states and is welded with parallel weldering conductive sheet (2) at the top of parallel weldering battery (1), electricity on front side of the top of parallel weldering conductive sheet (2)
Property connection there are four parallel weldering salient point (4), the bottom of parallel weldering salient point (4) and the first battery are electrically connected piece
(5) it welds, parallel weldering electric shock baton (3), the overlap welding battery is electrically connected at the top of the parallel weldering salient point (4)
(6) top center is electrically connected with the second battery and is electrically connected piece (9), the top welding of the overlap welding battery (6)
Have overlap welding conductive sheet (7), be electrically connected on front side of the top of the overlap welding conductive sheet (7) there are two overlap welding salient point (8),
The bottom of the overlap welding salient point (8) and the second battery are electrically connected piece (9) welding, the overlap welding salient point (8)
Top is electrically connected with overlap welding electric shock baton (10).
2. a kind of flexible arm fusing function cell connector according to claim 1, it is characterised in that: described parallel
It welds and is provided with diversion channel notch (11) in the middle part of the front side wall of conductive sheet (2), the diversion channel notch (11) is described parallel positioned at two
Weld salient point (4) adjacent middle side part.
3. a kind of flexible arm fusing function cell connector according to claim 1, it is characterised in that: described parallel
The top of weldering conductive sheet (2) and overlap welding conductive sheet (7) is electrically connected with elastic arm (12), elastic arm (12) difference position
In the left and right sides of overlap welding salient point (8) and parallel weldering salient point (4).
4. a kind of flexible arm fusing function cell connector according to claim 1, it is characterised in that: the overlap joint
It is identical as the parallel weldering material of electric shock baton (3) to weld electric shock baton (10).
5. a kind of flexible arm fusing function cell connector according to claim 1, it is characterised in that: described parallel
It is identical as the material of overlap welding battery (6) to weld battery (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920011120.XU CN209418621U (en) | 2019-01-04 | 2019-01-04 | A kind of flexible arm fusing function cell connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920011120.XU CN209418621U (en) | 2019-01-04 | 2019-01-04 | A kind of flexible arm fusing function cell connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209418621U true CN209418621U (en) | 2019-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920011120.XU Expired - Fee Related CN209418621U (en) | 2019-01-04 | 2019-01-04 | A kind of flexible arm fusing function cell connector |
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| CN (1) | CN209418621U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109659479A (en) * | 2019-01-04 | 2019-04-19 | 无锡至极动能科技有限公司 | A kind of flexible arm fusing function cell connector |
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2019
- 2019-01-04 CN CN201920011120.XU patent/CN209418621U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109659479A (en) * | 2019-01-04 | 2019-04-19 | 无锡至极动能科技有限公司 | A kind of flexible arm fusing function cell connector |
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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: 20190920 Termination date: 20220104 |