CN209401787U - A kind of two-sided tab soft-package battery mould group out with low pressure acquisition device - Google Patents
A kind of two-sided tab soft-package battery mould group out with low pressure acquisition device Download PDFInfo
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- CN209401787U CN209401787U CN201822242290.7U CN201822242290U CN209401787U CN 209401787 U CN209401787 U CN 209401787U CN 201822242290 U CN201822242290 U CN 201822242290U CN 209401787 U CN209401787 U CN 209401787U
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- connector
- mould group
- low pressure
- acquisition device
- pcb board
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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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Abstract
The two-sided tab soft-package battery mould group out with low pressure acquisition device that the utility model relates to a kind of, belongs to power battery preparation technical field.The battery modules include single battery core, plastic stent, transition copper bars, carrier, busbar connector and low pressure acquisition device, single battery core and plastic stent, which are alternately stacked, constitutes battery modules main body, carrier is mounted on the two sides of mould group main body, low pressure acquisition device includes two pcb boards and a low voltage wiring harness or a FPCB plate, busbar connector and a pcb board are respectively provided on the carrier at battery core both ends, it is connected between two pcb boards by a low voltage wiring harness or a FPCB plate, the acquisition terminal on pcb board is by being welded to connect on the busbar；Alternatively, low pressure acquisition device includes three FPCB plates.The acquisition of voltage does not need the length across a battery core in the utility model, and acquisition harness will not interfere the automatic assembling of mould group to realize, to improve efficiency, ensure that the consistency of mould group.
Description
Technical field
The two-sided tab soft-package battery mould group out with low pressure acquisition device that the utility model relates to a kind of, belongs to power electric
Pond preparation technical field.
Background technique
Increasingly serious with energy and environment problem, countries in the world increase the R&D intensity to new-energy automobile.With
Yield increase, to homogeneity of product, reliability requirement is improved, and production automation requires higher and higher.Soft-package battery is due to it
Energy density is high, at low cost, it is not easy to which the advantages such as explosion, which occur, becomes a kind of mainstream power battery system.But soft-package battery
It is complex in groups, it is unfavorable for the realization of automation.
The major way of mould group low pressure acquisition at present be traditional harness acquisition perhaps pcb board acquisition be used in square shell mold group or
In the unilateral Soft Roll mould group of tab out, installation is also more convenient, but if it is the Soft Roll mould group of two-sided tab out, each voltage
Acquisition need across a battery core length, acquisition harness necessarily interfere the automatic assembling of mould group to realize, inefficiency, nothing
Method guarantees consistency.
Utility model content
The purpose of the utility model is to provide a kind of with low pressure acquisition device it is two-sided go out tab soft-package battery mould group,
Installation effectiveness can be improved, realized convenient for automation.
It is a kind of with low pressure acquisition device it is two-sided go out tab soft-package battery mould group, including single battery core, plastic stent,
Transition copper bars, carrier, busbar connector and low pressure acquisition device etc., the single battery core and plastic stent are alternately stacked composition battery
Mould group main body, the carrier are mounted on the two sides of mould group main body, and the low pressure acquisition device includes the (printing of two pcb boards
Circuit board) and a low voltage wiring harness or a FPCB plate (flexible printed circuit board), remittance is respectively provided on the carrier at battery core both ends
Stream is arranged and a pcb board, is connected between two pcb boards by a low voltage wiring harness or a FPCB plate, the collection terminal on pcb board
Son is by being welded to connect on the busbar；Alternatively, the low pressure acquisition device includes three FPCB plates, the carrier at battery core both ends
On be respectively set busbar connector and a FPCB plate, by the connection of third FPCB plate between two FPCB plates, on carrier
The acquisition terminal and busbar connector of FPCB plate pass through welded connecting；Busbar connector with and the transition copper bars that are connected of battery core connected by welding
It connects.
Wherein, the transition copper bars are embedded on plastic stent, by swashing between transition copper bars and single battery core tab
Photocoagulation connection；The busbar connector is connect with transition copper bars by laser welding, and the pcb board or FPCB plate on carrier are by swashing
Photocoagulation will acquire terminal and connect with busbar connector.
According to assembling sequence, battery and plastic stent are alternately stacked into main body first, transition copper is inlayed on plastic stent
Row, transition copper bars weld together with cell polar ear Direct Laser, and two blocks of carriers are mounted on the two sides of mould group main body, pacify on carrier
Equipped with busbar connector, busbar connector is connect with transition copper bars by laser welding, and two pieces of pcb boards or FPCB plate are separately mounted to two loads
On body, pcb board or FPCB plate on carrier will acquire terminal by laser welding and connect with busbar connector, and then two pieces of pcb boards are logical
Crossing a harness, perhaps FPCB plate completes connection or two blocks of FPCB plates pass through another FPCB plate and complete connection.
In the pcb board or FPCB plate being arranged on carrier, it is arranged three on the pcb board or FPCB plate of positive and negative anodes outlet one end
The connector of a acquisition terminal and a 3PIN for collection voltages signal；By being concentrated after acquisition terminal collection voltages signal
Onto this 3PIN connector, voltage signal is transmitted on another pcb board or FPCB plate on carrier；Another pcb board
Or two acquisition terminal, a 5PIN connector and the 7PIN connectors for being used for collection voltages signal are set on FPCB plate；
Or be arranged on another pcb board or FPCB plate two for the acquisition terminals of collection voltages signal, two 5PIN connectors and
One 7PIN connector.Low voltage wiring harness by both ends with socket connector plug of one 5PIN connector or FPCB plate be located at
The connector connection of the pcb board or the 3PIN on FPCB plate of positive and negative anodes leading-out terminal, another 5PIN connector and 5 voltage acquisitions
Point connection, for realizing the function of external Equilibrium, 7PIN connector is acquisition connector, collection voltages temperature signal, and and BMS
(battery management system) connection.
The low voltage wiring harness both ends have socket connector plug, and one end is 3PIN male end, and one end is 5PIN male end.Described
Low voltage wiring harness middle position integrated temperature sensor, temperature sensor can be placed on the busbar connector of mould group two sides, or
Position among mould group, the both threads of temperature sensor are integrated into the 5PIN connector of harness one end, then pass through connector
With the connector connection connecting with BMS on pcb board, temperature signal is transmitted.
Preferably, it is connected by a snap between the carrier and battery modules main body.
Preferably, the battery modules are 3 and 4 string battery modules.
Low pressure acquisition device focuses on voltage temperature gathering line on one connector, is attached with route outside mould group,
There are the balanced interfaces for carrying out external Equilibrium simultaneously, and only lumped voltage gathering line, voltage acquisition line require that larger current can be born
Pass through.
The utility model uses two pieces of pcb boards or FPCB plate, realizes that both ends acquire respectively, then real by single line beam
Now connecting, two pieces of pcb boards can be preloaded on busbar connector in advance, the operation after reduction is online, after the completion of busbar connector welding,
Connection wiring harness completes integral installation.
The utility model feature is low pressure acquisition device by two pieces of pcb boards and a connection wiring harness or three pieces of FPCB board groups
At；Pcb board 1 and pcb board 2 are preloaded on a carrier with busbar connector in advance；2 or 3 connectors are integrated on pcb board 2,
One is used to connect with pcb board 1, and remaining two connectors are for acquisition and external Equilibrium.
The advantages of the utility model:
The low pressure acquisition mode of the mould group of the utility model is by two pieces of pcb boards and a connection wiring harness or three pieces of FPCB
Board group at；Two pieces of pcb boards are preloaded on a carrier with busbar connector in advance；2 or 3 are integrated on one of pcb board
Connector, one is used to connect with another pcb board, and remaining two connectors are for acquisition and external Equilibrium.Voltage is adopted
Collection does not need the length across a battery core, and acquisition harness will not interfere the automatic assembling of mould group to realize, to improve effect
Rate ensure that the consistency of mould group.
Voltage collection circuit and equalizing circuit are used same route beam by the mould group of the utility model, have both increased balanced function
Energy and unobvious raising cost.
The low pressure collecting part of the mould group of the utility model is pre-processed under can shifting to an earlier date online, greatly improves components
Integrated level, reduce line on link, improve production efficiency.
The temperature acquisition of the mould group of the utility model places selection flexibly, can be placed on the copper bar of mould group two sides,
Or the position among mould group, acquisition data are more extensive, hold to mould group real time temperature more acurrate.
The utility model is described further below by the drawings and specific embodiments, but is not meant to this reality
With the limitation of novel protected range.
Detailed description of the invention
Fig. 1 is battery module structure schematic diagram.
Fig. 2 is battery modules other side structural schematic diagram.
Fig. 3 is the structural schematic diagram of positive and negative anodes carrier.
Fig. 4 is the structural schematic diagram for connecting carrier.
Fig. 5 is the schematic diagram of the first pcb board of 3 and 4 string mould group of one kind.
Fig. 6 is the schematic diagram of the second pcb board of 3 and 4 string mould group of one kind.
Fig. 7 is the connection schematic diagram of mould group low pressure acquisition device.
Main appended drawing reference explanation:
1 plastic stent I, 1 ' plastic stent II
2 battery core, 3 transition copper bars
4 connection 5 positive and negative anodes carriers of carrier
The positive copper bar (busbar connector) of 6 connecting copper bars (busbar connector) 7
8 cathode copper bar (busbar connector), 9 first pcb board
10 second pcb boards
11 3PIN connector female ends (being connect with connection wiring harness)
12 the oneth 5PIN connector female ends (being connect with connection wiring harness)
13 7PIN patch female end (connecting with BMS)
14 the 2nd 5PIN connector female ends (balanced socket)
15 PCB acquire terminal
Specific embodiment
As shown in Figs. 1-2, the soft-package battery mould group of the two-sided tab out with low pressure acquisition device of the utility model, packet
Include single battery core 2, intermediate plastic stent I 1, the plastic stent II 1 ' of outer layer, transition copper bars 3, connection carrier 4, positive and negative anodes
Carrier 5, busbar connector and low pressure acquisition device etc., battery modules main body are made of 1 stacked in multi-layers of battery core 2 and plastic stent I, most
Outer layer is the plastic stent II 1 ' of outer layer, connects carrier 4 and positive and negative anodes carrier 5 is separately mounted to the two sides of mould group main body, low pressure
Acquisition device includes that the low voltage wiring harness of two pcb boards of two pcb boards (printed circuit board) and a connection or one connect two
The FPCB plate (flexible printed circuit board) of pcb board, is respectively provided with busbar connector and a pcb board on the carrier at 2 both ends of battery core, and two
It is connected between pcb board by a low voltage wiring harness or a FPCB plate, the acquisition terminal 15 on pcb board is being converged by being welded to connect
Stream row on, busbar connector with and battery core 2 be connected transition copper bars 3 connect by laser welding.Low pressure acquisition device can also be by three
A FPCB board group is at being respectively set busbar connector and a FPCB plate, by the between two FPCB plates on the carrier at battery core both ends
Three FPCB plate connections, the acquisition terminal 15 and busbar connector of the FPCB plate on carrier pass through welded connecting；Busbar connector with and
The connected transition copper bars 3 of battery core pass through welded connecting.
Transition copper bars 3 are inlayed on plastic stent I 1, and the welding of cell polar ear and transition copper bars 3 is completed by laser welding,
Plastic carrier is installed at battery core both ends, the mould group main body that carrier and heap are folded completes connection, integrated convergent on carrier by buckle
Row and low pressure acquisition device, two sides use pcb board or FPCB plate to complete voltage acquisition respectively, then pass through a low voltage wiring harness or one
A FPCB plate completes the connection of two pieces of pcb boards, or the connection of two FPCB plates is completed by another FPCB plate, by voltage temperature
Gathering line focuses on a connector, with outside mould group route complete connect, while there are carry out external Equilibrium balanced interface,
Only lumped voltage gathering line, the requirement of voltage acquisition line can bear larger current and pass through.
In the pcb board or FPCB plate being arranged on carrier, one is integrated on the pcb board or FPCB plate of positive and negative anodes outlet one end
A 3PIN connector is transmitted voltage signal by focusing on this 3PIN connector after acquisition terminal collection voltages signal
On another pcb board or FPCB plate on to carrier；2 or 3 connectors, packet are integrated on another pcb board or FPCB plate
One is included for the 5PIN connector that connect with first pcb board or FPCB plate, one is used to be connected with the BMS of battery system
7PIN connector, transfer overvoltage temperature signal, another 5PIN connector for being used for external Equilibrium can choose to install, according to practical feelings
Condition is matched.
Pcb board and busbar connector are mounted in advance on a carrier, and busbar connector connect with battery when prepackage, is operated conveniently, electric
Carrier is mounted on mould group both ends after the completion of the stacking of pond, after completing laser welding, using a both ends with socket connector plug
Harness or FPCB are inserted on the pcb board at mould group both ends respectively, complete the connection of two pieces of pcb boards.
As shown in figure 3, positive and negative anodes carrier 5 is equipped with positive copper bar 7 (busbar connector), cathode copper bar 8 (busbar connector) and first
Pcb board 9.As shown in figure 4, being equipped with connecting copper bar 6 (busbar connector) and the second pcb board 10 on connection carrier 4.
For example, the first pcb board 9 of 3 and 4 string mould groups, as shown in Figure 3 and Figure 5, the positive and negative anodes positioned at positive and negative anodes outlet one end
On carrier 5, the connector of three the acquisition terminals 15 and a 3PIN for collection voltages signal is set thereon；Three collection terminals
Son 15 acquires three voltage signals, is connect by the connector female end 11 of a 3PIN with the second pcb board 10.
As shown in Figure 4 and Figure 6, two acquisition terminal 15,2 for being used for collection voltages signal are set on the second pcb board 10
5PIN connector and a 7PIN connector；First 5PIN connector 12 by both ends with socket connector plug harness or
FPCB plate is connect with the connector female end 11 of the 3PIN on the first pcb board 9 for being located at positive and negative anodes leading-out terminal, the 2nd 5PIN connector
Female end 14 and 5 voltage acquisition point is connect, and for realizing the function of external Equilibrium, 7PIN connector is acquisition connector, acquisition
Voltage temperature signal, and connect by 7PIN connector female end 13 with BMS (battery management system).
As shown in fig. 7, low voltage wiring harness both ends have socket connector plug, one end is 3PIN male end, and one end is 5PIN male end.It is low
Crimping beam middle position integrated temperature sensor, temperature sensor is attached among mould group with 3M gluing (can also be placed on mould group
On the copper bar of two sides), the both threads of temperature sensor are integrated into the 5PIN connector of harness one end, are transmitted by connector
It on the pcb board acquired to mould group, is then connect by the connector on plate with BMS, transmits temperature signal.
Embodiment of above is merely to illustrate the utility model, and is not limitation of the utility model, related technology neck
The those of ordinary skill in domain can also make various structure tune in the case where not departing from the spirit and scope of the utility model
The replacement of whole and device, all equivalent technical solutions also belong within the scope and protection scope of the utility model.
Claims (8)
1. it is a kind of with low pressure acquisition device it is two-sided go out tab soft-package battery mould group, it is characterised in that: including single battery core,
Plastic stent, transition copper bars, carrier, busbar connector and low pressure acquisition device, the single battery core are alternately stacked with plastic stent
Battery modules main body is constituted, the carrier is mounted on the two sides of mould group main body, and the low pressure acquisition device includes two PCB
Plate and a low voltage wiring harness or a FPCB plate, are respectively provided with busbar connector and a pcb board on the carrier at battery core both ends, and two
It is connected between pcb board by a low voltage wiring harness or a FPCB plate, the acquisition terminal on pcb board is being converged by being welded to connect
On row；Alternatively, the low pressure acquisition device includes three FPCB plates, busbar connector and one is respectively set on the carrier at battery core both ends
A FPCB plate is connected by third FPCB plate between two FPCB plates, acquisition terminal and the remittance of the FPCB plate on carrier
Stream row passes through welded connecting；Busbar connector with and the transition copper bars that are connected of battery core pass through welded connecting.
2. the soft-package battery mould group of the two-sided tab out according to claim 1 with low pressure acquisition device, feature exist
In: the transition copper bars are embedded on plastic stent, are connected between transition copper bars and single battery core tab by laser welding；
The busbar connector is connect with transition copper bars by laser welding, and the pcb board or FPCB plate on carrier will be adopted by laser welding
Collection terminal is connect with busbar connector.
3. the soft-package battery mould group of the two-sided tab out according to claim 1 with low pressure acquisition device, feature exist
In: in the pcb board or FPCB plate being arranged on the carrier, it is arranged three on the pcb board or FPCB plate of positive and negative anodes outlet one end
The connector of a acquisition terminal and a 3PIN for collection voltages signal；Two are arranged on another pcb board or FPCB plate
Acquisition terminal, a 5PIN connector and a 7PIN connector for collection voltages signal；Or another pcb board or
Two acquisition terminal, two 5PIN connectors and the 7PIN connectors for being used for collection voltages signal are set on FPCB plate.
4. the soft-package battery mould group of the two-sided tab out according to claim 3 with low pressure acquisition device, feature exist
In: on another pcb board or FPCB plate, a 5PIN connector is by low voltage wiring harness or FPCB plate and is located at positive and negative anodes outlet
The connector connection of the pcb board or the 3PIN on FPCB plate at end, another 5PIN connector connect with 5 voltage acquisition points, use
In the function of realizing external Equilibrium, 7PIN connector is acquisition connector, and is connect with BMS.
5. the soft-package battery mould group of the two-sided tab out according to claim 4 with low pressure acquisition device, feature exist
In: the low voltage wiring harness both ends have socket connector plug, and one end is 3PIN male end, and one end is 5PIN male end.
6. the soft-package battery mould group of the two-sided tab out according to claim 1 with low pressure acquisition device, feature exist
In: the low voltage wiring harness middle position integrated temperature sensor, temperature sensor are placed on the copper bar of mould group two sides, or
Person is placed among mould group, and the both threads of temperature sensor are integrated into the 5PIN connector of harness one end, then by patching
Part and the connector connection being connect on pcb board with BMS.
7. the soft-package battery mould group of the two-sided tab out according to claim 1 with low pressure acquisition device, feature exist
In: it is connected by a snap between the carrier and battery modules main body.
8. the soft-package battery mould group of the two-sided tab out according to claim 1 with low pressure acquisition device, feature exist
In: the battery modules are 3 and 4 string battery modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822242290.7U CN209401787U (en) | 2018-12-29 | 2018-12-29 | A kind of two-sided tab soft-package battery mould group out with low pressure acquisition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822242290.7U CN209401787U (en) | 2018-12-29 | 2018-12-29 | A kind of two-sided tab soft-package battery mould group out with low pressure acquisition device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209401787U true CN209401787U (en) | 2019-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822242290.7U Active CN209401787U (en) | 2018-12-29 | 2018-12-29 | A kind of two-sided tab soft-package battery mould group out with low pressure acquisition device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113130968A (en) * | 2021-04-14 | 2021-07-16 | 湖北亿纬动力有限公司 | Manufacturing method of battery module and battery module |
| CN113540632A (en) * | 2020-04-21 | 2021-10-22 | 北京新能源汽车股份有限公司 | Power battery module |
| WO2021253357A1 (en) * | 2020-06-18 | 2021-12-23 | 东莞新能安科技有限公司 | Battery module and battery pack |
| CN114019381A (en) * | 2021-10-29 | 2022-02-08 | 蜂巢能源科技有限公司 | CVTN (continuously variable transmission) testing device of battery module and testing method and device of battery module |
| CN116106762A (en) * | 2023-02-07 | 2023-05-12 | 湖北钛时代新能源有限公司 | Battery pack voltage acquisition harness classification structure and classification method |
| WO2024113949A1 (en) * | 2022-12-02 | 2024-06-06 | 湖北亿纬动力有限公司 | Signal acquisition assembly and battery module |
-
2018
- 2018-12-29 CN CN201822242290.7U patent/CN209401787U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113540632A (en) * | 2020-04-21 | 2021-10-22 | 北京新能源汽车股份有限公司 | Power battery module |
| WO2021253357A1 (en) * | 2020-06-18 | 2021-12-23 | 东莞新能安科技有限公司 | Battery module and battery pack |
| CN113130968A (en) * | 2021-04-14 | 2021-07-16 | 湖北亿纬动力有限公司 | Manufacturing method of battery module and battery module |
| CN114019381A (en) * | 2021-10-29 | 2022-02-08 | 蜂巢能源科技有限公司 | CVTN (continuously variable transmission) testing device of battery module and testing method and device of battery module |
| WO2024113949A1 (en) * | 2022-12-02 | 2024-06-06 | 湖北亿纬动力有限公司 | Signal acquisition assembly and battery module |
| CN116106762A (en) * | 2023-02-07 | 2023-05-12 | 湖北钛时代新能源有限公司 | Battery pack voltage acquisition harness classification structure and classification method |
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