CN206163590U - Conducting strip, battery module and pure electric vehicles - Google Patents
Conducting strip, battery module and pure electric vehicles Download PDFInfo
- Publication number
- CN206163590U CN206163590U CN201621276141.7U CN201621276141U CN206163590U CN 206163590 U CN206163590 U CN 206163590U CN 201621276141 U CN201621276141 U CN 201621276141U CN 206163590 U CN206163590 U CN 206163590U
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- China
- Prior art keywords
- conducting strip
- battery
- strip body
- welding
- fixing bracket
- Prior art date
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- 238000003466 welding Methods 0.000 claims abstract description 34
- 238000003780 insertion Methods 0.000 claims description 11
- 230000037431 insertion Effects 0.000 claims description 11
- 239000011810 insulating material Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 239000007769 metal material Substances 0.000 claims description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 238000003754 machining Methods 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 239000012634 fragment Substances 0.000 abstract description 4
- 230000002349 favourable effect Effects 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012777 electrically insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
Classifications
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Landscapes
- Battery Mounting, Suspending (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model provides a conducting strip, battery module and pure electric vehicles, wherein, the conducting strip includes: the conducting strip body, outwards extend from the first surface of conducting strip body a plurality of welding pieces to and outwards extend from the second surface of conducting strip body a plurality of electrically conductive shell fragments, wherein, first surface is relative with the second surface. The utility model provides an in the scheme, replace the current convergence device commonly used among the prior art with the conducting strip, and produce outside extending's welding piece and electrically conductive shell fragment respectively through the first surface and the second surface at the conducting strip, be used for series connection between the adjacent two-stage group battery, when not receiving the influence of the current circulation effect nearby in the circuit, collect each battery cell's electric current, make each battery cell have better electric current uniformity, be favorable to the improvement of the electric property of battery module, the life of extension battery module.
Description
Technical field
The utility model is related to cell art, more particularly to a kind of conducting strip, battery modules and pure electric automobile.
Background technology
At present cylindrical power battery module meets capacity requirement usually by multiple battery units in parallel, after parallel connection
Carry out series connection after also needing to collect in electric current again to meet voltage requirements, due to needing to conflux, so to collector-shoe gear current-carrying energy
The requirement of power will increase as battery capacity increases, and which limits the increase of battery pack scale.Simultaneously battery at simultaneously
During connection, the positive/negative of battery pack is usually connected to as cylinder manifold using whole aluminium row or copper bar, then from one end of cylinder manifold
Draw as the external positive/negative of battery pack, but because the electric current in circuit has the effect that circulates nearby, in whole combined loop
In, the current potential flowed through near the battery of cylinder manifold exit must be larger, and the battery apart from each other with cylinder manifold exit is then
The electric current for flowing through is less, i.e., the depth of discharge near the battery of cylinder manifold exit is higher than apart from cylinder manifold exit farther out
Battery.Therefore, with the long-term charge and discharge cycles of battery pack, then the depth of discharge near the battery of cylinder manifold exit will height
In away from the remote battery of cylinder manifold exit, whole group battery with two side terminals worse and worse, get over by the life-span for ultimately resulting in whole group battery
Come shorter.Further, since the electric current that the battery of close anode and cathode terminals is flowed through is larger, heat production is larger, causes the heat of whole group battery
Field distribution is uneven, radiates unbalance, and also the quality of battery pack is produced a very large impact.
Utility model content
Because using whole metallic plate, used as cylinder manifold, electric current presence in circuit is flowed nearby in order to overcome prior art
Under the influence of logical effect, and the charging and discharging state of caused each battery unit is inconsistent, and radiate unbalance problem, the utility model
Embodiment provide a kind of conducting strip, battery modules and pure electric automobile.
In order to solve above-mentioned technical problem, embodiment of the present utility model is adopted the following technical scheme that：
According to the one side of the utility model embodiment, there is provided a kind of conducting strip, including：
Conducting strip body,
From multiple welding sheets that the first surface of the conducting strip body is extended outward, and
From multiple electroconductive elastic sheets that the second surface of the conducting strip body is extended outward, wherein, the first surface
It is relative with the second surface.
Alternatively, the afterbody of the welding sheet is flat structure, and parallel with the conducting strip body；The electroconductive elastic sheet
Bend towards the conducting strip body for arcuate structure, and the afterbody of the electroconductive elastic sheet.
Alternatively, the welding sheet carries out punch forming after cutting with the electroconductive elastic sheet by the conducting strip body.
Alternatively, the conducting strip body is shaped as rectangle, and the welding sheet on the conducting strip body
Even setting.
Alternatively, conducting strip body metallic plate by made by using same metal material is stamped and formed out, Huo Zheyou
Formed using two kinds of metallic plate Compound Machinings made by different metal material.
According to the another aspect of the utility model embodiment, a kind of battery modules are additionally provided, including more than two-stage connected
Connection battery pack, wherein every grade of battery pack includes multiple battery units being connected in parallel and battery fixing bracket, especially also includes
Conducting strip as above；
Wherein, the first battery fixing bracket, the first conducting strip, the second conducting strip are folded between adjacent battery pack successively
With the second battery fixing bracket, first conducting strip is correspondingly arranged with the electroconductive elastic sheet on second conducting strip, and described
The second surface of one conducting strip fits with the first surface of second conducting strip, and first conducting strip is led with described second
Welding sheet on electric piece is each passed through corresponding battery fixing bracket, connects with the electrode welding of corresponding battery unit.
Alternatively, the battery fixing bracket is provided with multiple battery insertion grooves, and the bottom of each battery insertion groove is all provided with
Spacing catch is equipped with, wherein, a battery unit is respectively mounted in each described battery insertion groove.
Alternatively, the battery fixing bracket is integrally formed using insulating materials.
Alternatively, the battery unit is lithium battery.
According to the other side of the utility model embodiment, a kind of pure electric automobile is additionally provided, including it is as described above
Battery modules.
The beneficial effect of the utility model embodiment is：
In the utility model embodiment, the multiple welderings for extending outward are arranged by the first surface in conducting strip body
Contact pin, and each welding sheet individually can connect with the electrode welding of corresponding battery unit, and the electric current of each battery unit is carried out
Collect, can replace collector-shoe gear, realize at least being connected in series between two-stage battery pack, it is to avoid made using whole metallic plate
For cylinder manifold when, electric current in circuit exists and circulate nearby under the influence of effect, and causes the discharge and recharge shape of each battery unit
State is inconsistent.It is connected with the electrode of a battery unit additionally, due to a welding sheet, therefore the electric current of each battery unit is consistent
Property preferably, therefore the uniformity of each battery unit heating is also higher, solves that whole group battery is caused because heterogeneity phantom is uneven to be dissipated
The problem that heat is unbalance.
Description of the drawings
Fig. 1 represents one of structural representation of conducting strip in the utility model embodiment；
Fig. 2 represents two of the structural representation of conducting strip in the utility model embodiment；
Fig. 3 represents conducting strip close-up schematic view in fig. 2 in the utility model embodiment；
Fig. 4 represents the stereogram of battery pack in the utility model embodiment；
Fig. 5 represents the connection diagram that adjacent cell group is connected in series in battery modules in the utility model embodiment.
Wherein in figure：1st, conducting strip body；101st, welding sheet；102nd, electroconductive elastic sheet；11st, the first conducting strip；12nd, second lead
Electric piece；2nd, battery unit；3rd, battery fixing bracket；31st, the first battery fixing bracket；32nd, the second battery fixing bracket.
Specific embodiment
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although showing the disclosure in accompanying drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure and should not be by embodiments set forth here
Limited.On the contrary, there is provided these embodiments are able to be best understood from the disclosure, and can be by the scope of the present disclosure
Complete conveys to those skilled in the art.
According to the one side of the utility model embodiment, there is provided a kind of conducting strip, as shown in Figure 1 and Figure 2, the conduction
Piece includes：
Conducting strip body 1,
From multiple welding sheets 101 that the first surface of conducting strip body 1 is extended outward, and
From multiple electroconductive elastic sheets 102 that the second surface of conducting strip body 1 is extended outward, wherein, first surface and
Two surfaces are relative.
In the utility model embodiment, the conducting strip passes through punch forming technology, in the first surface of conducting strip body 1
The welding sheet 101 and electroconductive elastic sheet 102 for stretching out is produced respectively with second surface, between adjacent two-stage battery pack
It is connected in series, therefore each welding sheet 101 individually can connect with the electrode welding of corresponding battery unit 2, by each battery unit 2
Electric current collected, without the need for adopting collector-shoe gear, it is to avoid when using whole metallic plate as cylinder manifold, electricity in circuit
Stream circulates nearby under the influence of effect, and the inconsistent problem of the charging and discharging state of caused each battery cell, be conducive to electrically
The raising of energy, extends physical life.It is connected with the electrode of a battery unit 2 additionally, due to a welding sheet 101, therefore each electricity
The Current compliance of pool unit 2 preferably, so the uniformity of the heating of battery unit 2 is also higher, solves whole group battery because of thermal field
Skewness and the unbalance problem of caused radiating.
Specifically, as shown in the partial enlarged drawing in Fig. 3, in the utility model embodiment, the afterbody of welding sheet 101 is
Flat structure, and it is parallel with conducting strip body 1.Therefore in assembling process, when the conducting strip is installed on into battery fixing bracket 3
Side on when, the afterbody of welding sheet 101 can be carried out with the electrode of the battery unit 2 for being installed on the opposite side of battery fixing bracket 3
It is welded to connect, not only convenient welding, and welds more firm.Electroconductive elastic sheet 102 is arcuate structure, and the tail of electroconductive elastic sheet 102
Portion bends towards conducting strip body 1.Because electroconductive elastic sheet 102 is outwardly relative to the second surface of conducting strip, therefore work as phase
When adjacent battery pack is connected in series, the second surface that conducting strip is needed between adjacent battery pack fits, so it is conductive
Shell fragment 102 is deformed upon because being under pressure, and forms elastic connection so that when adjacent battery pack is connected in series, and connects shape
State is relatively reliable.Wherein, when being connected in series, on the conducting strip 12 of electroconductive elastic sheet 102 and second on the first conducting strip 11
Conduction is not provided with the conducting strip 12 of electroconductive elastic sheet 102 and second in the directly contact of electroconductive elastic sheet 102, or the first conducting strip 11
Other region directly contacts of shell fragment 102, are not specifically limited this.
Wherein, welding sheet 101 carries out punch forming after cutting with electroconductive elastic sheet 102 by conducting strip body 1.Sheet Metal Forming Technology
Have the advantages that high efficiency, low material consumption, operating procedure convenience, dimensional accuracy are high, with low cost.
Specifically, as shown in Figure 1 and Figure 2, in the utility model embodiment, conducting strip body 1 is shaped as rectangle,
Of course, it should be understood that in the utility model embodiment, specific requirement is not done to the shape of conducting strip body 1, can root
It is adjusted correspondingly according to the concrete shape of battery fixing bracket 3.Wherein, it is so that welding sheet 101 is fixed with battery is installed on
Battery unit 2 on support 3 is corresponded, therefore welding sheet 101 can be inserted according to the battery that battery is installed on battery fixing bracket 3
The distribution situation of groove is uniformly arranged on conducting strip body 1.
Specifically, in the utility model embodiment, the metal by made by using same metal material of conducting strip body 1
Plate is stamped and formed out, or two kinds of metallic plate Compound Machinings are formed by made by using different metal material.As shown in Figure 2, it is conductive
Piece than collector-shoe gear commonly used in the prior art from a structural point, with volume it is more frivolous, it is compact the characteristics of, without limitation on
The increase of battery modules scale.
According to the other side of the utility model embodiment, a kind of battery modules are additionally provided, including more than two-stage gone here and there
The battery pack of connection connection, as shown in figure 4, wherein every grade battery pack includes that multiple battery units 2 being connected in parallel and battery are fixed
Support 3, especially also includes conducting strip as above.
As shown in figure 5, be folded with successively between adjacent battery pack the first battery fixing bracket 31, the first conducting strip 11,
Second conducting strip 12 and the second battery fixing bracket 32, the electroconductive elastic sheet on the first conducting strip 11 and the second conducting strip 12 102 pairs
Should arrange, the second surface of the first conducting strip 11 fits with the second surface of the second conducting strip 12, the first conducting strip 11 and
Welding sheet 101 on two conducting strips 12 is each passed through corresponding battery fixing bracket 3, the electrode welding with corresponding battery unit 2
Connection.
Because collector-shoe gear commonly used in the prior art is used as cylinder manifold by the metal row using whole, electricity is easily subject to
The circulation effects nearby that electric current in road is present so that the size of current that the battery unit 2 of cylinder manifold exit is flowed through because
It is different apart from the how far of cylinder manifold exit, cylinder manifold exit depth of discharge difference is in turn resulted in, ultimately result in
The life-span of whole battery modules is shorter and shorter.Therefore to avoid drawbacks described above, in the utility model embodiment, by conducting strip generation
For collector-shoe gear commonly used in the prior art, conducting strip by punch forming technology, in the first surface and the of conducting strip body 1
The welding sheet 101 and electroconductive elastic sheet 102 for stretching out is produced respectively on two surfaces, and for the string between adjacent two-stage battery pack
Connection connects, therefore each welding sheet 101 individually can connect with the electrode welding of corresponding battery unit 2, by each battery unit 2
Electric current is collected, and with stronger current capacity, can not be affected by the effect that circulates nearby of electric current in circuit, therefore each battery
The Current compliance of unit 2 preferably, is conducive to the raising of battery modules electrical property, extends the service life of battery modules.
Specifically, in the utility model embodiment, battery fixing bracket 3 is provided with multiple battery insertion grooves, each battery
The bottom of slot is provided with spacing catch, wherein, a battery unit 2 is respectively mounted in each battery insertion groove.Wherein, in this reality
With in new embodiment, what battery unit 2 was adopted is lithium battery.By being provided with spacing catch in battery insertion groove bottom,
The positioning to battery and fixation are realized, battery unit 2 can be installed in battery insertion groove well, it is to avoid battery is inserted
The internal diameter of groove and the external diameter difference of battery unit 2 are larger, so as to cause easily occur battery and battery insertion groove in assembling process
The tight slightly or partially loose phenomenon of assembling.
Specifically, it is to ensure between the interior battery unit 2 installed of adjacent battery insertion groove in the utility model embodiment
Definitely insulation, rack body spy adopts and is made from an insulative material.Wherein, the insulating materials in the utility model embodiment is that electrician is exhausted
Edge material.Specify according to standard GB/T 2900.5, the definition of insulating materials is " to be used for making device in the material for electrically insulating
Material ".The material that can namely prevent electric current from passing through.First, insulating materials has higher insulaion resistance and compressive resistance, and
It is avoided that generation such as is leaked electricity, punctures at the accident.Secondly, insulating materials heat resistance will get well, and can avoid occurring because of long-term overheat old
Change phenomenon.Finally, insulating materials should also have good thermal conductivity, moisture resistance lightning protection and higher mechanical strength and technique
Other characteristics of grade easy to process.
According to the other side of the utility model embodiment, a kind of pure electric automobile is additionally provided, including it is as described above
Battery modules.
Above-described is preferred embodiment of the present utility model, it should be pointed out that for the ordinary person of the art
For, some improvements and modifications can also be made under the premise of without departing from principle described in the utility model, these improve and moisten
Decorations are also in protection domain of the present utility model.
Claims (10)
1. a kind of conducting strip, it is characterised in that include：
Conducting strip body (1),
From multiple welding sheets (101) that the first surface of the conducting strip body (1) is extended outward, and
From multiple electroconductive elastic sheets (102) that the second surface of the conducting strip body (1) is extended outward, wherein, described first
Surface is relative with the second surface.
2. conducting strip as claimed in claim 1, it is characterised in that the afterbody of the welding sheet (101) is flat structure, and with
The conducting strip body (1) is parallel；The electroconductive elastic sheet (102) is arcuate structure, and the afterbody court of the electroconductive elastic sheet (102)
To the conducting strip body (1) bending.
3. conducting strip as claimed in claim 2, it is characterised in that the welding sheet (101) is with the electroconductive elastic sheet (102)
Punch forming after cutting is carried out by the conducting strip body (1).
4. conducting strip as claimed in claim 1, it is characterised in that the conducting strip body (1) is shaped as rectangle, and institute
State welding sheet (101) to be uniformly arranged on the conducting strip body (1).
5. conducting strip as claimed in claim 1, it is characterised in that the conducting strip body (1) is by using same metal material
Metallic plate is stamped and formed out made by material, or two kinds of metallic plate Compound Machinings are formed by made by using different metal material.
6. a kind of battery modules, including the battery pack more than two-stage being connected in series, wherein every grade of battery pack includes multiple parallel connections even
The battery unit (2) for connecing and battery fixing bracket (3), it is characterised in that also include as described in any one of Claims 1 to 5
Conducting strip；
Wherein, the first battery fixing bracket (31), the first conducting strip (11) are folded between adjacent battery pack successively, second are led
Electroconductive elastic sheet on electric piece (12) and the second battery fixing bracket (32), first conducting strip (11) and the second conducting strip (12)
(102) it is correspondingly arranged, the second surface of first conducting strip (11) is affixed with the second surface of second conducting strip (12)
Close, first conducting strip (11) is each passed through corresponding battery and consolidates with the welding sheet (101) on second conducting strip (12)
Fixed rack (3), connects with the electrode welding of corresponding battery unit (2).
7. battery modules as claimed in claim 6, it is characterised in that the battery fixing bracket (3) is provided with multiple batteries
Slot, the bottom of each battery insertion groove is provided with spacing catch, wherein, it is respectively mounted one in each described battery insertion groove
The battery unit (2).
8. battery modules as claimed in claim 6, it is characterised in that the battery fixing bracket (3) is using insulating materials one
It is body formed.
9. battery modules as claimed in claim 6, it is characterised in that the battery unit (2) is lithium battery.
10. a kind of pure electric automobile, it is characterised in that include the battery modules as described in any one of claim 6～9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621276141.7U CN206163590U (en) | 2016-11-25 | 2016-11-25 | Conducting strip, battery module and pure electric vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621276141.7U CN206163590U (en) | 2016-11-25 | 2016-11-25 | Conducting strip, battery module and pure electric vehicles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206163590U true CN206163590U (en) | 2017-05-10 |
Family
ID=58661188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621276141.7U Active CN206163590U (en) | 2016-11-25 | 2016-11-25 | Conducting strip, battery module and pure electric vehicles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206163590U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107331820A (en) * | 2017-08-23 | 2017-11-07 | 华霆（合肥）动力技术有限公司 | Non-welding electric pond module and non-welding electric pond module system |
| CN107863480A (en) * | 2017-12-07 | 2018-03-30 | 江苏索尔新能源科技股份有限公司 | Conducting strip and battery component with contact |
| CN107871834A (en) * | 2017-11-06 | 2018-04-03 | 立峰集团有限公司 | A kind of splicing construction of Modularized lithium battery |
| CN111312975A (en) * | 2018-12-11 | 2020-06-19 | 太普动力新能源(常熟)股份有限公司 | Battery module and energy storage system comprising same |
-
2016
- 2016-11-25 CN CN201621276141.7U patent/CN206163590U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107331820A (en) * | 2017-08-23 | 2017-11-07 | 华霆（合肥）动力技术有限公司 | Non-welding electric pond module and non-welding electric pond module system |
| CN107871834A (en) * | 2017-11-06 | 2018-04-03 | 立峰集团有限公司 | A kind of splicing construction of Modularized lithium battery |
| CN107871834B (en) * | 2017-11-06 | 2023-07-04 | 立峰集团有限公司 | Splicing structure of modularized lithium battery |
| CN107863480A (en) * | 2017-12-07 | 2018-03-30 | 江苏索尔新能源科技股份有限公司 | Conducting strip and battery component with contact |
| CN111312975A (en) * | 2018-12-11 | 2020-06-19 | 太普动力新能源(常熟)股份有限公司 | Battery module and energy storage system comprising same |
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