CN103633277B - Battery core connector, battery cell module and manufacture method thereof, battery and motor vehicles - Google Patents
Battery core connector, battery cell module and manufacture method thereof, battery and motor vehicles Download PDFInfo
- Publication number
- CN103633277B CN103633277B CN201310379420.0A CN201310379420A CN103633277B CN 103633277 B CN103633277 B CN 103633277B CN 201310379420 A CN201310379420 A CN 201310379420A CN 103633277 B CN103633277 B CN 103633277B
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- Prior art keywords
- battery
- battery core
- connector
- core connector
- cell module
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/514—Methods for interconnecting adjacent batteries or cells
- H01M50/516—Methods for interconnecting adjacent batteries or cells by welding, soldering or brazing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Battery Mounting, Suspending (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The present invention relates to a kind of battery core connector, the battery cell module of a kind of battery core connector having according to the present invention, a kind of manufacture the method for battery cell module, a kind of battery with at least one battery cell module and a kind of motor vehicles with this battery cell module and/or this battery.Battery core connector (10) is used for electrically connecting at least two battery battery core (20,20a) and includes for the upper at least two bearing-surface (12) supporting battery core connector of terminal (21) at battery battery core (20,20a).These bearing-surfaces (12) front and back arrange and are arranged on the side of battery core connector (10) on the longitudinal extension direction (11) of battery core connector (10), wherein this battery core connector (10) has transversion malposition between bearing-surface (12), thus these bearing-surfaces are laterally relative to offseting one from another.
Description
Technical field
The present invention relates to a kind of battery core connector, a kind of battery core included according to the present invention connects
The battery cell module of part, a kind of manufacture the method for battery cell module, one includes at least
The battery of one battery cell module and a kind of there is the motor-driven of battery cell module and/or battery
Car.
Background technology
To for broad application, such as vehicle, fixing equipment (such as wind-powered electricity generation
Equipment) and the battery of electronic apparatus (such as notebook computer and communication device) have very
Many requirements.This battery is proposed the highest in terms of reliability, service life and capacity
Requirement.
Lithium-ion technology is specifically used for extensive application.The energy that its feature is the highest is close
Degree and minimum self discharge.
Such lithium ion battery cell generally includes electrode, and it can make lithium ion so-called
Telescopiny reversibly stores or discharges again during so-called deintercalation.At battery battery core
Charging process embeds, and carries out deintercalation when battery battery core discharges with to power device
Power supply.
Its feature is, in the future not only in fixed application scenario, such as, sets at wind-powered electricity generation
In Bei, in the motor vehicles of for example, motor vehicle driven by mixed power and electric vehicle, and at electronics
In device such as notebook computer or mobile phone, all use at reliability, capacity and carry in terms of the life-span
Go out the novel battery system of very high request.
Electrokinetic cell in motor vehicle driven by mixed power, plug-in hybrid vehicle and electric motor car
Generally constituted with modular form.In the case, independent by least two serial or parallel connection
Battery battery core constitutes module, and module is assembled into again the most so-called subelement of bigger secondary units,
They such as share a common cooling body.Final by two or more subelement structures
Becoming complete battery, wherein this module and subelement also may be used according to operational structure space
To be placed in the most overlappingly in multiple plane.
Additionally, the battery battery core in modern times, especially lithium ion battery cell, but also lithium-poly-
Compound battery battery core or lead-acid accumulator cover or the side of top side being commonly called of battery
There are terminals.
When multiple independent battery battery cores are linked to be module, now from installed above one so-called
Battery core connector.In batch production, now preferably by welding (such as laser welding,
Ultrasonic bonding, friction welding etc.) or riveting connector carry out work.
Connection between each individual module utilizes module connecting piece to realize, its generally with electricity
The similar mode of core connector designs and disposes.
Disclosing a kind of battery battery core connector from DE102009024513A1, it includes
It is provided with two wiring components of connecting elements therebetween, is additionally provided with on a wiring component wherein
One flat pieces.This connecting elements be configured to two wiring components or wiring component and
This flat pieces can the most relative to each other be placed on different positions.Therefore, this electricity
Core connector can be used for connecting multiple different battery battery core neatly or for connecting one
Individual battery battery core is to different electric peripheral units.
When battery battery core only also has certain power and/or certain capacity and/or exceedes certain
Internal resistance time, battery battery core or the so-called accumulator battery quilt being made up of multiple battery battery cores
It is considered as terminating service life.For power and capacity, the most about at initial value
(that is, battery battery core or the accumulator battery value that can have of maximum) 80% time reach capacity.
This ultimate value limits and terminates service life.
For efficiency, relevant battery battery core or relevant accumulator battery must subsequently by
Change.To by can also the battery battery core of function relevant with the process that new battery battery core is connected
The Renewal process of connection is the most bothersome and thus cost is the highest.
Summary of the invention
According to the present invention, it is provided that a kind of battery core for electrically connecting at least two battery battery core is even
Fitting, wherein this battery core connector has for supporting battery core on the terminal of battery battery core even
At least two bearing-surface of fitting, these bearing-surfaces are in the longitudinal extension direction of battery core connector
On front and back arrange and be arranged on the side of battery core connector.According to present invention provide that, battery core is even
Fitting has transversion malposition between described bearing-surface, thus these bearing-surfaces laterally relative to
Offset one from another.These bearing-surfaces should be preferably provided on the bottom surface of battery core connector.This is horizontal
Dislocation is substantially perpendicular to this longitudinal extension direction.
The advantage of this battery core connector is, whereby can be by simple and compensate in the way of low cost
Want the difference in height between interconnective terminal.This compensation of difference in height the most most preferably realizes,
That is, battery core connector is placed in electricity with its installation position higher than the bearing-surface of its other bearing-surface
In core connector remaining part and it is conductively connected therewith.Thus, by by battery core connector with often
Square formula is fixed on new battery battery core and makes battery core connector with it more than the battery core connector
Bearing-surface higher at portion and the used batteries stayed in battery cell module of battery cell module
Electric core conductive connects, and can change the battery battery core of single battery battery core module simply.
The realization being conductively connected completes preferably by welding, especially Laser Welding.
A preferred implementation of battery core connector specifies, the degree base of transversion malposition
With battery core connector consistency of thickness in basis.The degree of transversion malposition is preferably exactly transversely wrong
The thickness of the battery core connector of position orientation measurement.Therefore, have at battery core connector used
During non-uniform thickness, battery core connector can coordinate accurately terminal with new battery battery core to be connected
And it is connected with the terminal of the used batteries battery core stayed in battery cell module simultaneously, Qi Zhongtong
Cross the size of transversion malposition corresponding to battery core connector thickness, can make just in battery core even
Higher bearing-surface in fitting remaining part connects with the terminal of used batteries battery core.
These bearing-surfaces are preferably at least respectively provided with a different width in local.Thus may be used
To utilize the angle welding that can easily realize that battery core connector is welded on the electricity in used batteries battery core
In core connector remaining part.The direction of transversion malposition is perpendicular to width orientation at this.
In the embodiment of a cost advantages of battery core connector, its transversion malposition passes through
Longitudinal extension direction realizes apart from two different bendings away from same bearing-surface.One
In individual alternate embodiments, the two bends on longitudinal extension direction away from same bearing-surface
Distance is identical.The advantage of this battery core connector embodiment be such as by bending or
Simple and the manufacture of low cost in manufacturing process.
Additionally, it is provided that a kind of battery cell module, it has multiple battery battery core and at least
One battery core connector according to the present invention, wherein battery battery core utilizes battery core connector each other
It is conductively connected.Battery core connector now with the terminal of the used batteries battery core in battery cell module
On battery core connector remaining part conduction be connected and with the new battery being added into battery cell module
The terminal of battery core is connected.
This battery core connector remaining part so produces, i.e. in battery cell module by two
Battery core connector that battery battery core is connected to each other is broken to be opened, thus stays on battery battery core
Battery core connector remaining part.After taking down one of them battery battery core, only also remainder has battery core
Another battery battery core of connector remaining part.Battery core connector according to the present invention need to battery core even
The connection of fitting remaining part and battery battery core its terminal in other words that need to be new with one are connected.
The battery battery core of this battery cell module is preferably lithium ion battery cell.
Preferably specifying at this, the length of battery core connector is less than with battery core connector conductive phase
The spacing of the boundary face away from each other of battery battery core terminal even.That is, battery core connects
Part length is less than the outer peripheral spacing of the terminal being located remotely from each other, in order to can pass through plain mode
Angle welding in battery core connector remaining part is welded in side the new battery core according to the present invention
On connector.Here, the length of battery core connector is its extension on longitudinal extension direction
Size.
Also providing for a kind of battery, it has multiple battery cell module according to the present invention.Its
In, these battery cell module of this battery can also utilize the battery core according to the present invention to connect
Part is connected.
Additionally, it is provided that a kind of method manufacturing the battery cell module according to the present invention, wherein,
There is provided utilize at least one first battery battery core that the first battery core connector conductively connects to each other and
One the second battery battery core, the first battery core connector between battery battery core is disconnected, from
And the remaining part of the first battery core connector is stayed on a terminal of the first battery battery core, the second electricity
Pond battery core separates with the first battery battery core and the 3rd battery battery core comes with reference to the first battery battery core
Location, first and the 3rd battery battery core by the second battery core connector according to the present invention each other
Being conductively connected, wherein the terminal conduction of the second battery core connector and the 3rd battery battery core is connected also
And be connected with the battery core connector remaining part conduction on the terminal of the first battery battery core.Thus with
Simple and the mode of low cost ensure that the battery battery core in a battery cell module more
Change and thus ensure that the maintenance of battery cell module.
On the second battery core connector and the terminal of the 3rd battery battery core and/or the first battery battery core
Battery core connector remaining part between be conductively connected preferably by welding, especially Laser Welding come
Realize.
Making the present invention become complete by a kind of motor vehicles, this motor vehicles can be especially can be by
Motor-driven motor vehicles, it include at least one according to the battery cell module of the present invention and/
Or the battery according to the present invention, wherein the driving of this battery cell module or battery and motor vehicles
Dynamic system is connected.
Accompanying drawing explanation
Hereinafter, shown with reference to the accompanying drawings embodiment describes the present invention, wherein:
Fig. 1 shows the side view of a part for battery battery core；
Fig. 2 shows the top view of a part for battery battery core；
Fig. 3 shows the side view of the battery core connector of the present invention；
Fig. 4 shows the top view of the battery core connector of the present invention；
Fig. 5 shows the top view of two battery battery cores being assembled into battery cell module.
Detailed description of the invention
Fig. 1 shows a part for the first battery battery core 20, is provided with terminal 21 in its surface.
Forming portion 24 of leaving a blank in terminal 21, battery core connector 10 is positioned at this and leaves a blank in portion.Should
Battery core connector 10 utilizes angle welding 25 to be conductively connected with terminal 21.
The size of the width W of battery core connector 10 is now preferably set to so that battery core connector
10 can be received within the portion of leaving a blank 24 in terminal 21 substantially precise match.
In order to obtain the battery cell module being made up of battery battery core 20, at least two battery electricity
Core 20 is conducted electricity in the manner illustrated by battery core connector 10 and is connected.
Figure 2 illustrates the top view of the local of battery battery core 20 as shown in Figure 1.?
This shows that battery core connector 10 is disconnected at cutting edge 26, thus it the most also constitutes one
Individual battery core connector remaining part 23.Battery core connector remaining part 23 according to described mode by fillet welding
Seam 25 is conductively connected with terminal 21.
When the adjacent battery battery core being connected with battery core connector 10 must be changed, just first
Shown battery core connector remaining part 23 is left on the terminal 21 of battery battery core 20.In this situation
Under, battery core connector 10 will be disconnected, thus form cutting edge 26 and only battery core is even
One remaining part of fitting 10 is stayed on the terminal 21 of the first battery battery core 20.
The battery core connector 10 according to the present invention as shown in the side view of figure 3 includes two
Bearing surface 12, they point to bottom surface 13.On the longitudinal extension direction 11 of battery core connector 10,
Arrange before and after these bearing-surfaces 12.It is curved that battery core connector 10 has the first bending 14 and second
Folding 15 so that the two bearing-surface 12 is mutually transverse to be staggered.The thickness of battery core connector 10
D preferably corresponds to the distance of lateral alternate.
Figure 4 illustrates the top view of battery core connector 10 as shown in Figure 3.Can see
To the two bearing-surface 12, there is different width W.
The advantage that especially can see this different in width W in Figure 5.Fig. 5 now shows two
The local of individual battery battery core side by side, the i.e. first battery battery core 20 and another the 3rd battery electricity
Core 20a.First battery battery core 20 is the Already in battery in battery cell module at this
Battery core, another battery battery core 20a is such as to change out of order (second) battery electricity
Another (the 3rd) battery battery core of core.On the first battery battery core 20, more than battery core connector
Portion 23 is also located on terminal 21, as reference to Figure 2.According to the present invention's
Battery core connector 10 has the bearing-surface of the width W bigger than its another bearing-surface 12 with it
On 12 terminals 21 being placed in another battery battery core 20a as described with reference to FIG. 1.That is,
Battery core connector 10 terminal 21 with another battery battery core 20a in the way of common is connected.
Therefore, the bearing-surface of battery core connector 10 abuts in the terminal of another battery battery core 20a
21 and first battery battery core 20 battery core connector remaining part 23 on.But, connect in battery core
Being conductively connected between the terminal 21 of part 10 and another battery battery core 20a is connected by battery core
The side of part 10 utilizes welding to realize.At battery core connector 10 and the first battery battery core 20
Being conductively connected also by battery core connector between the battery core connector remaining part 23 on terminal 21
The side of 10 utilizes welding to realize.
The bearing-surface 12 with less width W abuts in battery core connector remaining part 23, should
Battery core connector remaining part is connected with the terminal 21 of the first battery battery core 20.Connect in this battery core
Also formed between part remaining part 23 and the bearing-surface 12 with less width W angle welding 25 with
Just produce and be conductively connected.
As it can be seen, battery core connector 10 now can have such length L, it is flat
Stretch time in the boundary face 22 of the terminal 21 abutting in another battery battery core 20a together the most always
To the boundary face 22 of the terminal 21 on the first battery battery core 20a, thus also can in battery core even
On the end face of battery core connector 10, angle welding is realized in a straightforward manner in fitting remaining part 23
25。
Claims (10)
1. the battery core connector being used for electrically connecting at least two battery battery core (20,20a)
(10), including for terminal (21) the described battery core of upper supporting at described battery battery core even
At least two bearing-surface (12) of fitting (10), wherein these bearing-surfaces (12) are at this
Front and back arrange on the longitudinal extension direction (11) of battery core connector (10) and be arranged on this
The side of battery core connector (10), is characterized in that, described battery core connector (10) is in institute
State and there is between bearing-surface (12) transversion malposition, thus described bearing-surface (12) laterally phase
For offseting one from another, the direction of wherein said transversion malposition is perpendicular to described battery core connector
(10) longitudinal extension direction (11) and width, and wherein said at least two
Bearing-surface (12) is at least respectively provided with a different width (W), and its in local
Described in transversion malposition degree substantially with the thickness (T) of described battery core connector (10)
Unanimously.
Battery core connector the most according to claim 1, wherein, described transversion malposition leads to
Cross on longitudinal extension direction (11) that the distance away from same bearing-surface (12) is different two
Bending (14,15) realizes.
3. a battery cell module, including multiple battery battery cores (20,20a) and at least
One according to the battery core connector (10) one of claim 1 to 2 Suo Shu, wherein, this
A little battery battery cores (20,20a) conductively connect to each other by described battery core connector (10).
Battery cell module the most according to claim 3, wherein, described battery core connects
The length of part (10) connects less than the described battery core that utilizes of described battery battery core (20,20a)
The spacing of the boundary face (22) being located remotely from each other of the terminal (21) that part (10) is conductively connected.
5. a battery, including multiple according to the battery battery core mould described in claim 3 or 4
Block.
6. manufacture the method according to the battery cell module described in claim 3 or 4,
Wherein, it is provided that utilize at least one first battery that the first battery core connector conductively connects to each other
Battery core (20) and second battery battery core, the first battery core between described battery battery core
Connector is disconnected, thus the remaining part (23) of described first battery core connector stays described
On one terminal (21) of one battery battery core (20), described second battery battery core is with described
First battery battery core (20) separates and the 3rd battery battery core (20a) is with reference to described first electricity
Pond battery core (20) positions, and described first battery battery core (20) and described 3rd electricity
Pond battery core (20a) is by the second battery core connector (10) according to one of claims 1 to 3
Conductively connect to each other, wherein said second battery core connector (10) and described 3rd battery electricity
The terminal (21) of core (20a) be conductively connected and with described first battery battery core (20)
Battery core connector remaining part (23) on terminal (21) is conductively connected.
The method of manufacture battery cell module the most according to claim 6, wherein,
Described second battery core connector (10) and the terminal (21) of described 3rd battery battery core (20a)
And/or the conduction between battery core connector remaining part (23) that first on battery battery core (20) is even
Connect and realize by welding.
The method of manufacture battery cell module the most according to claim 7, wherein, institute
Stating welding is Laser Welding.
9. a motor vehicles, including at least one according to the battery described in claim 3 or 4
Battery core module and/or a battery according to claim 5, wherein said battery battery core
Module or described battery are connected with the drive system of motor vehicles.
Motor vehicles the most according to claim 9, wherein, described motor vehicles is can be by electricity
The motor vehicles that machine drives.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012215080.3 | 2012-08-24 | ||
| DE201210215080 DE102012215080A1 (en) | 2012-08-24 | 2012-08-24 | Cell connector for electrically connecting lithium-ion-battery cells in battery of e.g. electric vehicle, has support surfaces arranged one behind other in longitudinal extension direction and arranged laterally offset to each other |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103633277A CN103633277A (en) | 2014-03-12 |
| CN103633277B true CN103633277B (en) | 2016-08-17 |
Family
ID=50069606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310379420.0A Active CN103633277B (en) | 2012-08-24 | 2013-08-23 | Battery core connector, battery cell module and manufacture method thereof, battery and motor vehicles |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103633277B (en) |
| DE (1) | DE102012215080A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106165205B (en) * | 2014-04-10 | 2019-05-28 | 捷温有限责任公司 | Arrangements of electric connection and Electical connector |
| CN105514336A (en) * | 2016-01-20 | 2016-04-20 | 华霆（合肥）动力技术有限公司 | Battery pack connection structure |
| KR20190018649A (en) * | 2016-07-05 | 2019-02-25 | 아몬 엔. 발라스터 | Modular power storage and supply system |
| WO2018216728A1 (en) * | 2017-05-24 | 2018-11-29 | パナソニックＩｐマネジメント株式会社 | Electricity storage module and electricity storage unit |
| CN107394093B (en) * | 2017-07-24 | 2021-03-12 | 珠海格力电器股份有限公司 | Battery core connecting strip, battery connecting structure and battery combination |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102598361A (en) * | 2009-06-08 | 2012-07-18 | 巴伐利亚机动车制造厂 | Battery cell connector |
| JP2012138239A (en) * | 2010-12-27 | 2012-07-19 | Panasonic Corp | Battery module |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100096755A (en) * | 2009-02-25 | 2010-09-02 | 에스비리모티브 주식회사 | Battery module |
| DE102009024513A1 (en) | 2009-06-08 | 2010-12-09 | Auto-Kabel Managementgesellschaft Mbh | Battery cell connector for e.g. lithium ion battery, that is utilized in electric motor of automobile, has flat piece arranged at connecting unit and connected to side that is formed at battery pole and turned toward battery pole |
-
2012
- 2012-08-24 DE DE201210215080 patent/DE102012215080A1/en active Pending
-
2013
- 2013-08-23 CN CN201310379420.0A patent/CN103633277B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102598361A (en) * | 2009-06-08 | 2012-07-18 | 巴伐利亚机动车制造厂 | Battery cell connector |
| JP2012138239A (en) * | 2010-12-27 | 2012-07-19 | Panasonic Corp | Battery module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103633277A (en) | 2014-03-12 |
| DE102012215080A1 (en) | 2014-02-27 |
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