CN209200023U - Battery modules and battery pack - Google Patents
Battery modules and battery pack Download PDFInfo
- Publication number
- CN209200023U CN209200023U CN201822099945.XU CN201822099945U CN209200023U CN 209200023 U CN209200023 U CN 209200023U CN 201822099945 U CN201822099945 U CN 201822099945U CN 209200023 U CN209200023 U CN 209200023U
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- Prior art keywords
- circuit board
- connector
- battery modules
- busbar
- battery
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Connection Of Batteries Or Terminals (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
It includes: single battery group that the utility model embodiment, which provides a kind of battery modules and battery pack, battery modules, is arranged side by side and is formed along first direction by more than two single batteries, and single battery has electrode terminal in both ends setting in a second direction respectively;First circuit board is set to the one end of single battery group in a second direction, and circuit board, connector and more than two first busbar connectors are provided on the first circuit board, and more than two first busbar connectors are connected to more than two electrode terminals;Second circuit board is set to the other end of single battery group in a second direction, and more than two second busbar connectors are arranged on the second circuit board, and more than two second busbar connectors are connected to more than two electrode terminals;Connection wiring harness bridges between the first circuit board and the second circuit board, and is connected between more than two second busbar connectors and circuit board.The utility model can simplify the structure of battery modules, solve the problems, such as battery module structure complexity.
Description
Technical field
The utility model relates to energy storage device technical field more particularly to a kind of battery modules and battery pack.
Background technique
Square electric cell on existing market is directly to export two poles at top mostly, high in order to which mould group is effectively reduced
Degree, and the energy density of mould group is effectively improved, a kind of battery core of long strip type is designed, the pole of such strip battery core is located at
The both ends of battery core, in groups after, the high-low pressure output stage of mould group also directly from the side of mould group export.
When mould group using both ends respectively go out pole strip battery core be grouped into mould group when, although effectively increasing the energy of mould group
Metric density, but since pole is located at two end faces of mould group, the voltage of module internal battery core and the cloth of temperature sampling line
It sets general arrangement in the following way: being sampled respectively in two sides of mould group and low pressure is set in two end faces of mould group respectively
Connector, i.e. the two of mould group end face distinguish at least one low pressure sampling connector.Such scheme keeps module internal structure multiple
It is miscellaneous, also it is not easy to the arrangement of low voltage wiring harness in battery pack.
Therefore, a kind of new battery modules and battery pack are needed.
Utility model content
The utility model embodiment provides a kind of battery modules and battery pack, it is intended to solve that battery module structure is complicated to ask
Topic.
On the one hand the utility model embodiment provides a kind of battery modules, comprising: single battery group, by more than two
Single battery is arranged side by side along first direction and is formed, and single battery extends in a second direction, and at both ends in a second direction point
Electrode terminal is not provided with it;First circuit board is set to the one end of single battery group in a second direction, is arranged on the first circuit board
There are circuit board, connector and more than two first busbar connectors, more than two first busbar connectors are connected to two or more
Electrode terminal, and more than two first busbar connectors pass through circuit board electrical connection in connector;Second circuit board, is set to
More than two second busbar connectors are arranged on the second circuit board in the other end of single battery group in a second direction, more than two
Second busbar connector is connected to more than two electrode terminals;Connection wiring harness bridges at the first circuit board and the second circuit board
Between, and be connected between more than two second busbar connectors and circuit board.
One aspect according to the present utility model further includes sealing plate, and the connector of the first circuit board is arranged towards sealing plate, envelope
Perforative through-hole is provided on plate;
Be additionally provided on first circuit board with the mutually matched seal member of connector so that connector and through-hole can be close
Envelope connection.
One aspect according to the present utility model, connector protrude from the surface setting of the first circuit board, and seal member is in
Ring-type is simultaneously sheathed on connector.
One aspect according to the present utility model, circuit board are attached at the surface setting of the first circuit board, connector setting
In circuit board and protrude from circuit board surface be arranged.
One aspect according to the present utility model, further includes more than two output terminals, and output terminal is set to first
Circuit board and/or the second circuit board.
One aspect according to the present utility model is additionally provided with electric connecting sheet on first circuit board, and the first busbar connector passes through
Electric connecting sheet is connected to circuit board.
One aspect according to the present utility model, connection wiring harness include opposite first end and second end, first end connection
In circuit board, second end is connected to the second busbar connector;
Connection wiring harness includes multiple connecting lines and the protective layer for surrounding connecting line, and connecting line protrudes from protective layer in second end
And it is connected to the second busbar connector.
One aspect according to the present utility model, the first circuit board further include the first plastic feet, the first busbar connector, circuit
Plate and connector are set to the first plastic feet;
And/or second circuit board further include the second plastic feet, the second busbar connector is set to the second plastic feet.
One aspect according to the present utility model is additionally provided with the first isolation bar on first circuit board, and the first isolation bar is set
It is placed between two adjacent the first busbar connectors;
And/or second be additionally provided with the second isolation bar on circuit board, the second isolation bar is set to two second adjacent remittances
Between stream row.
On the other hand the utility model also provides a kind of battery pack, including above-mentioned battery modules and battery monitoring unit,
Battery monitoring unit is connected to the connector of battery modules.
In the battery modules of the utility model embodiment, battery modules include single battery group, the first circuit board, second
Circuit board and connection wiring harness, wherein the second circuit board is connected to the connector of the first circuit board by connection wiring harness, so that connecting line
The detection signal of second reflux row can be passed to the connector on the first circuit board by beam, therefore no setting is required on the second circuit board
Connector simplifies the structure of battery modules, solve the problems, such as battery module structure complexity, and due to only be provided with one and
The connector of external electrical connection connection, reduces the interface unit with battery modules external connection, can be improved battery modules
Leakproofness.
Detailed description of the invention
By reading detailed description of non-limiting embodiments referring to the drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon, wherein the same or similar appended drawing reference indicates the same or similar feature.
Fig. 1 is a kind of structural schematic diagram of battery pack of the utility model embodiment;
Fig. 2 is a kind of structural schematic diagram of battery pack of another embodiment of the utility model;
Fig. 3 is a kind of structural schematic diagram of battery modules of the utility model embodiment;
Fig. 4 is the partial structural diagram of Fig. 3;
Fig. 5 is a kind of structural schematic diagram of the first circuit board of battery modules of the utility model embodiment;
Fig. 6 is a kind of structural schematic diagram of the second circuit board of battery modules of the utility model embodiment.
Description of symbols:
10, battery modules;
100, single battery group;
110, single battery;
200, the first circuit board;
210, the first busbar connector;220, circuit board;230, connector;240, seal member;250, electric connecting sheet;260,
One plastic feet;270, the first isolation bar;
300, the second circuit board;
310, the second busbar connector;320, the second plastic feet;330, the second isolation bar;
400, connection wiring harness;
410, first end;420, second end;430, connecting line;440, protective layer;
500, sealing plate;
510, through-hole;
600, output terminal;
700, battery monitoring unit;
X, first direction;
Y, second direction;
Z, third direction.
Specific embodiment
The feature and exemplary embodiment of the various aspects of the utility model is described more fully below.It is retouched in detail in following
In stating, many details are proposed, in order to provide the comprehensive understanding to the utility model.But for those skilled in the art
It will be apparent that the utility model can be implemented in the case where not needing some details in these details for member.
Below the description of embodiment is used for the purpose of providing by showing the example of the utility model to the more preferable of the utility model
Understanding.In the the accompanying drawings and the following description, at least part of known features and technology are not shown, to avoid to this reality
Unnecessary obscure is caused with novel;Also, for clarity, may be exaggerated the size of part-structure.In addition, hereinafter being retouched
Feature, the structure or characteristic stated can be incorporated in any suitable manner in one or more embodiments.
The noun of locality of middle appearance described below is direction shown in figure, is not to the embodiments of the present invention
Specific structure is defined.In the description of the present invention, it should also be noted that, unless otherwise specific regulation and limit
Fixed, term " installation ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body;It can be directly connected, can also be indirectly connected.For the ordinary skill in the art, visual specific
Situation understands the concrete meaning of above-mentioned term in the present invention.
The utility model in order to better understand, below with reference to Fig. 1 to Fig. 6 according to the battery mould of the utility model embodiment
Group and battery pack are described in detail.
A kind of battery pack provided by the embodiment of the utility model, battery pack include multiple battery modules 10 and battery cell monitoring list
Member 700, multiple battery modules 10 are connected to battery monitoring unit 700, to send in battery modules 10 to battery monitoring unit 700
Voltage or the information such as temperature.
There are many set-up modes of battery modules 10, as shown in Figure 1, the both ends of battery modules 10 are respectively arranged at least one
A low voltage connector 230, at least two low voltage connector 230 are connected to battery monitoring unit 700.
In further embodiments, as shown in Fig. 2, one end of battery modules 10 is provided with connector 230, the connector
230 are connected to battery monitoring unit 700.The structure of this battery modules 10 is simple, battery modules 10 and battery monitoring unit 700
Between line it is also simpler, can effectively simplify in battery pack cable arrangement, simplify battery pack structure.
Also referring to 3 to Fig. 6, battery modules 10 include: single battery group 100, by more than two single batteries 110
It being arranged side by side and is formed along first direction (X-direction in Fig. 3), single battery 110 extends in a second direction (Y-direction in Fig. 3),
And electrode terminal (not shown) is respectively arranged at both ends in a second direction;First circuit board 200 is set to monomer electricity
The one end of pond group 100 in a second direction is provided with circuit board 220, connector 230 and more than two on the first circuit board 200
First busbar connector 210, more than two first busbar connectors 210 are connected to more than two single batteries 110, and two with
On the first busbar connector 210 connector 230 is electrically connected to by circuit board 220, connector 230 is also used to connect external electric
Socket part;Second circuit board 300 is set to the other end of single battery group 100 in a second direction, is arranged on the second circuit board 300
More than two second busbar connectors 310, more than two second busbar connectors 310 are connected to more than two single batteries
110;Connection wiring harness 400 bridges between the first circuit board 200 and the second circuit board 300, and is connected to more than two second
Between busbar connector 310 and circuit board 220.
Wherein, more than two first busbar connectors 210 are connected to more than two single batteries 110 in a second direction one
The electrode terminal at end, it is another in a second direction that more than two second busbar connectors 310 are connected to more than two single batteries 110
The electrode terminal of one end can obtain all electricity of all single batteries 110 by the first busbar connector 210 and the second busbar connector 310
The sample information of extreme son, sample information can be the information such as temperature or voltage.
In the battery modules 10 of the utility model embodiment, battery modules 10 are integrated including single battery group 100, first
Plate 200, the second circuit board 300 and connection wiring harness 400, wherein the second circuit board 300 is connected to the first collection by connection wiring harness 400
At the connector 230 of plate 200, enable connection wiring harness 400 that the detection signal of second busbar connector 310 is passed to the first circuit board
Connector 230 on 200, therefore no setting is required on the second circuit board 300 connector 230, simplify the structure of battery modules 10,
Solve the problems, such as that structure is complicated for battery modules 10, and due to being only provided with a connector connected with external electrical connection
230, reduce connector 230 with 10 external connection of battery modules, can be improved the leakproofness of battery modules 10.
Battery modules 10 further include sealing plate 500, and the connector 230 of the first circuit board 200 is arranged towards sealing plate 500, sealing plate
Perforative through-hole 510 is provided on 500;It is additionally provided on first circuit board 200 and the mutually matched seal member of connector 230
240, so that connector 230 and through-hole 510 can be tightly connected.By the way that seal member 240 is arranged, it can guarantee connector 230
It is tightly connected with through-hole 510, improves the leakproofness of battery modules 10.
Wherein, there are many connector 230 and the mutually matched modes of seal member 240, in some alternative embodiments,
Connector 230 protrudes from the surface setting of the first circuit board 200, and seal member 240 is annular in shape and is sheathed on connector 230.For
Raising leakproofness, the material that seal member 240 selects rubber etc. to have certain elasticity are made, and seal member 240 and connection
It is interference fitted between device 230, when connector 230 passes through through-hole 510, seal member 240 is located at connector 230 and through-hole 510
The gap of inner wall, to guarantee leakproofness.Seal member 240 can removably be sheathed on connector 230 or seal member
240 and connector 230 be mutually bonded.
In some alternative embodiments, in order to shorten the connection distance between circuit board 220 and connector 230, circuit
Plate 220 is plate-like and is bonded to each other with the surface of the first circuit board 200, and connector 230 is set to circuit board 220 and protrudes from electricity
The surface of road plate 220 is arranged.
In these optional embodiments, connector 230 is directly arranged on circuit board 220, without additional interconnecting piece
Part can simplify the structure of battery modules 10, while guarantee the stability connected between connector 230 and circuit board 220, shorten letter
Number transmission range.
Circuit board 220 further includes positive and negative two output terminals 600, and two output terminals 600 are set to the first circuit board 200
And/or second circuit board 300.Two output terminals 600 can be set to the first circuit board 200 or two output ends simultaneously
Son 600 can be set to the second circuit board 300 simultaneously or two output terminals 600 are divided into the first circuit board 200 and second
Circuit board 300.
Preferably, two output terminals 600 are set to the second circuit board 300, due to the company of being provided on the first circuit board 200
Device 230 and circuit board 220 are connect, therefore the space on the first circuit board 200 occupies one by circuit board 220 and connector 230
Point, but busbar connector is provided only on the second circuit board 300, therefore there are enough spaces on the second circuit board 300, convenient for setting
Set two output terminals 600.
It is understood that the number of output terminal 600 is not limited only to two, output terminal 600 can also for three or
Three with first-class, it is not limited here.
There are many modes that first busbar connector 210 and circuit board 220 connect, in some alternative embodiments, the first collection
At electric connecting sheet 250 is additionally provided on plate 200, the first busbar connector 210 is connected to circuit board 220 by electric connecting sheet 250.It is electrically connected
There are many set-up modes of contact pin 250, such as electric connecting sheet 250 is plate-like, extends simultaneously along third direction (Z-direction in Fig. 3)
Connect the first busbar connector 210 and circuit board 220, electric connecting sheet 250 along first direction extension width less than the first busbar connector 210
Along the extension width of first direction.
The concrete shape of circuit board 220 and the first busbar connector 210 without limitation, in some alternative embodiments, two
The the first above busbar connector 210 is extended to form along third direction, and more than two first busbar connectors 210 along first direction side by side
Setting, circuit board 220 extend in a first direction to be formed, and circuit board 220 is located at more than two first busbar connectors 210 along third party
To one end.
There are many set-up modes of connection wiring harness 400, and connection wiring harness 400 can be ordinary lines beam, FFC, FPC etc..One
In a little optional embodiments, connection wiring harness 400 includes opposite first end 410 and second end 420, and first end 410 is connected to electricity
Road plate 220, second end 420 are connected to the second busbar connector 310;Connection wiring harness 400 includes multiple connecting lines 430 and encirclement connecting line
430 protective layer 440, connecting line 430 protrude from protective layer 440 in second end 420 and are connected to the second busbar connector 310.
In these optional embodiments, connecting line 430 protrudes from protective layer 440 in second end 420, so that second end
420 be that protective layer 440 can not wrap up multiple connecting lines 430, connecting line 430 at second end 420 can free change shape,
More than two second busbar connectors 310 are connected to convenient for multiple connecting lines 430.
The number of connecting line 430 is without limitation, it is preferred that in order to meet connection requirement, the number of connecting line 430 be greater than or
Equal to the number of single battery 110, so that only needing can either be by all second busbar connector 310 using a connection wiring harness 400
It is connected to connector 230.
Connecting line 430 and the mode of the second busbar connector 310 connection it is not limited here, such as on the second busbar connector 310 are opened
Equipped with connecting hole, connecting line 430 passes through connecting hole to be connected with each other with the second busbar connector 310.
In some alternative embodiments, the first circuit board 200 further includes the first plastic feet 260, the first busbar connector
210, circuit board 220 and connector 230 are set to the first plastic feet 260.First circuit board 200 selects the first of plastic material
Plastic feet 260 can effectively mitigate the quality of battery modules 10, improve energy density, while can also improve insulation performance,
To improve the security performance of battery modules 10.
The set-up mode of second circuit board 300 and the first circuit board 200 can be identical or different, it is preferred that second is integrated
Plate 300 further includes the second plastic feet 320, and the second busbar connector 310 is set to the second plastic feet 320.Select plastic material
Second plastic feet 320 equally can be improved the energy density and security performance of battery modules 10.
In some alternative embodiments, the first isolation bar 270, the first isolation bar are additionally provided on the first circuit board 200
270 are set between two adjacent the first busbar connectors 210.First isolation bar 270 is set and is capable of increasing two neighboring first remittance
Electric clearance between stream row 210, prevents short circuit, improves the security performance of battery modules 10.
In other optional embodiments, the second isolation bar 330, the second isolation are additionally provided on the second circuit board 300
Muscle 330 is set between two adjacent the second busbar connectors 310.Second isolation bar 330 is set and is capable of increasing two neighboring second
Electric clearance between busbar connector 310 prevents short circuit, improves the security performance of battery modules 10.
The utility model can be realized in other specific forms, without departing from its spirit and essential characteristics.For example, system
Essence spirit of the architecture without departing from the utility model.Therefore, current embodiment is all counted as showing in all respects
Example property and it is non-limiting, the scope of the utility model is by appended claims rather than foregoing description defines, also, falls into power
Whole changes in the range of meaning and equivalent that benefit requires are to all be included among the scope of the utility model.
Claims (10)
1. a kind of battery modules characterized by comprising
Single battery group is arranged side by side along first direction by more than two single batteries and is formed, and the single battery is along second
Direction extends, and is respectively arranged with electrode terminal at both ends in a second direction;
First circuit board is set to the one end of the single battery group in a second direction, is provided with electricity on first circuit board
Road plate, connector and more than two first busbar connectors, more than two first busbar connectors are connected to two or more
The electrode terminal, and more than two first busbar connectors are by the circuit board electrical connection in the connector;
Second circuit board is set to the single battery group and sets along the other end of the second direction, second circuit board
More than two second busbar connectors are set, more than two second busbar connectors are connected to more than two electrode tips
Son;
Connection wiring harness bridges between first circuit board and second circuit board, and is connected to more than two described
Between second busbar connector and the circuit board.
2. battery modules according to claim 1, which is characterized in that
It further include sealing plate, the connector of first circuit board is arranged towards the sealing plate, is provided with and passes through on the sealing plate
The through-hole worn;
Be additionally provided on first circuit board with the mutually matched seal member of the connector so that the connector and institute
Stating through-hole can be tightly connected.
3. battery modules according to claim 2, which is characterized in that the connector protrudes from first circuit board
Surface setting, the seal member is annular in shape and is sheathed on the connector.
4. battery modules according to claim 3, which is characterized in that the circuit board is attached at first circuit board
Surface setting, the connector are set to the circuit board and protrude from the surface setting of the circuit board.
5. battery modules according to claim 1, which is characterized in that it further include more than two output terminals, it is described defeated
Terminal is set to first circuit board and/or second circuit board out.
6. battery modules according to claim 1, which is characterized in that be additionally provided with electrical connection on first circuit board
Piece, first busbar connector are connected to the circuit board by the electric connecting sheet.
7. battery modules according to claim 1, which is characterized in that
The connection wiring harness includes opposite first end and second end, and the first end is connected to the circuit board, and described second
End is connected to second busbar connector;
The connection wiring harness includes multiple connecting lines and the protective layer for surrounding the connecting line, and the connecting line is in the second end
It protrudes from the protective layer and is connected to second busbar connector.
8. battery modules according to claim 1, which is characterized in that
First circuit board further includes the first plastic feet, and first busbar connector, the circuit board and the connector are set
It is placed in first plastic feet;
And/or second circuit board further includes the second plastic feet, second busbar connector is set to second plastic bottom
Seat.
9. battery modules according to claim 1, which is characterized in that
The first isolation bar is additionally provided on first circuit board, first isolation bar is set to adjacent two described first
Between busbar connector;
And/or the second isolation bar is additionally provided on second circuit board, second isolation bar is set to two adjacent institutes
It states between the second busbar connector.
10. a kind of battery pack characterized by comprising
Battery modules, the battery modules are the described in any item battery modules of claim 1-9;
Battery monitoring unit is connected to the connector of the battery modules.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201822099945.XU CN209200023U (en) | 2018-12-13 | 2018-12-13 | Battery modules and battery pack |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201822099945.XU CN209200023U (en) | 2018-12-13 | 2018-12-13 | Battery modules and battery pack |
Publications (1)
Publication Number | Publication Date |
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CN209200023U true CN209200023U (en) | 2019-08-02 |
Family
ID=67429104
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201822099945.XU Active CN209200023U (en) | 2018-12-13 | 2018-12-13 | Battery modules and battery pack |
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CN (1) | CN209200023U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113258182A (en) * | 2020-02-12 | 2021-08-13 | 比亚迪股份有限公司 | Battery, battery module, battery pack and electric vehicle |
CN113258178A (en) * | 2020-02-12 | 2021-08-13 | 比亚迪股份有限公司 | Battery, battery module, battery pack and electric vehicle |
CN114976521A (en) * | 2022-07-18 | 2022-08-30 | 上海兰钧新能源科技有限公司 | Battery sampling assembly and battery pack |
-
2018
- 2018-12-13 CN CN201822099945.XU patent/CN209200023U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113258182A (en) * | 2020-02-12 | 2021-08-13 | 比亚迪股份有限公司 | Battery, battery module, battery pack and electric vehicle |
CN113258178A (en) * | 2020-02-12 | 2021-08-13 | 比亚迪股份有限公司 | Battery, battery module, battery pack and electric vehicle |
CN114976521A (en) * | 2022-07-18 | 2022-08-30 | 上海兰钧新能源科技有限公司 | Battery sampling assembly and battery pack |
WO2024016566A1 (en) * | 2022-07-18 | 2024-01-25 | 上海兰钧新能源科技有限公司 | Battery sampling assembly and battery pack |
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