CN206806417U - Power battery module - Google Patents
Power battery module Download PDFInfo
- Publication number
- CN206806417U CN206806417U CN201720506231.9U CN201720506231U CN206806417U CN 206806417 U CN206806417 U CN 206806417U CN 201720506231 U CN201720506231 U CN 201720506231U CN 206806417 U CN206806417 U CN 206806417U
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- China
- Prior art keywords
- kink
- battery module
- power battery
- fixed
- sampling component
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model discloses power battery module, including multiple batteries, connecting elements and sampling component, each battery has electrode terminal, connecting elements includes connecting portion and kink, connecting portion is electrically connected to the electrode terminal of adjacent cell, and sampling component is fixed on kink and electrically connected with kink.Relative to prior art, the utility model power battery module sets kink on connecting elements, sampling component is fixed on connecting elements and top cover simultaneously, can avoid sampling the risk rocked problem and break bonding wire of component, improves the structural stability of battery modules.
Description
Technical field
The utility model belongs to field of batteries, more specifically, the utility model is related to a kind of power battery module.
Background technology
Lithium ion battery has that energy density is high, and cycle-index is high, the advantages that efficiency high, has been widely used in various disappear
Take electron-like industry, electric automobile industry and energy storage field.
The sampling structure of lithium ion battery module internal is the core cell of battery management system.But existing structure is manufactured into
This higher, complex manufacturing, limits the development of relevant industries.Correlation technique is using low-voltage copper wire connection aluminium bars, wire
Ultrasonic bonding is used between aluminium bars.Whole tedious process is complicated, and manufacture efficiency is low, and manufacturing cost is high.Wire harness needs
Carried and fixed using division board, wire harness otherwise easily occurred and rock in the battery, cause wire harness to be taken off in vibration processes
Fall, influence the voltage sample and temperature sampling of battery, cause battery management system to fail.
In order to substitute low pressure sampling line, simplify technique and reduce cost, have now been developed a kind of lead key closing process, that is, adopt
With bonding aluminium wire connection flexible PCB and aluminium bars.But between flexible PCB and wire harness division board and wire harness division board
Bonding could be realized by being required for being firmly fixed between battery, and fixation problem becomes bonding technology and is converted into actual production
The biggest problem.
In view of this, it is necessory to provide a kind of sampling structure stabilization, the simple power battery module of technique.
Utility model content
The purpose of this utility model is：Overcome the deficiencies in the prior art, there is provided a kind of sampling structure is stable, technique is simple
Power battery module.
In order to realize above-mentioned purpose of utility model, the utility model provides a kind of power battery module, including multiple electricity
Pond, connecting elements and sampling component, each battery have electrode terminal, and the connecting elements includes connecting portion and bending
Portion, the connecting portion are electrically connected to the electrode terminal of the adjacent battery, and the sampling component is fixed on the kink simultaneously
Electrically connected with the kink.
One kind as the utility model power battery module is improved, and the kink is curved including the first kink and second
Folding part, one end of first kink is fixed with described connecting portion one end and extended along the direction towards the battery, described
The other end of first kink is fixed with second kink.
One kind as the utility model power battery module is improved, and the battery includes top cover, first kink
Extend to the upper surface of the top cover, upper surface of second kink parallel to the top cover.
One kind as the utility model power battery module is improved, and first kink mutually hangs down with the connecting portion
Directly, first kink is mutually perpendicular to second kink.
One kind as the utility model power battery module is improved, the connecting portion, first kink, described the
Two kinks are integrally formed.
One kind as the utility model power battery module is improved, and the sampling component is fixed on the second kink simultaneously
Electrically connected with the second kink.
One kind as the utility model power battery module is improved, and to be fixed on second curved by being glued for the sampling component
On folding part.
One kind as the utility model power battery module is improved, and the sampling component is curved with second by bonding wire
Folding part electrically connects.
One kind as the utility model power battery module is improved, and pad and through hole are provided with the sampling component,
One end of the bonding wire is fixed with pad, and the other end is fixed through through hole with the second kink.
One kind as the utility model power battery module is improved, and the sampling component is flexible PCB.
Relative to prior art, the utility model power battery module sets kink on connecting elements so that sampling
Component can be fixed on connecting elements and top cover simultaneously, can avoid sampling rocking problem and breaking bonding wire for component
Risk, improve the structural stabilities of battery modules.
Brief description of the drawings
With reference to the accompanying drawings and detailed description, the utility model power battery module is described in detail, wherein：
Fig. 1 show the structural representation of the utility model power battery module.
Fig. 2 show the schematic top plan view of the utility model power battery module.
Fig. 3 is the structural representation of the kink of battery connecting elements in power battery module shown in Fig. 1.
Fig. 4 show the partial enlarged drawing that position is bonded in the utility model power battery module.
Embodiment
In order that goal of the invention of the present utility model, technical scheme and its advantageous effects become apparent from, below in conjunction with
The drawings and specific embodiments, the utility model is further elaborated.It should be appreciated that described in this specification
Embodiment just for the sake of explain the utility model, be not intended to limit the utility model.
Refer to shown in Fig. 1 to Fig. 4, the utility model power battery module includes multiple batteries 20, the and of connecting elements 30
Component 40 is sampled, each battery 20 has electrode terminal 200, and connecting elements 30 includes connecting portion 300 and kink 302, connection
Portion 300 is electrically connected to the electrode terminal 200 of adjacent cell 20, sampling component 40 be fixed on kink 302 and with kink 302
Electrical connection.
Multiple batteries 20 are contained in casing 10, and casing 10 includes bottom plate (not shown), end plate 100, the and of side plate 102
Upper cover plate (not shown), using being welded to connect between its end plates 100 and side plate 102, multiple batteries 20 pass through end plate 100
Surrounded with the window frame structure of side plate 102 into an entirety.End plate 100 is provided with lightening hole 1002, can play loss of weight and heat conduction
Effect；The both sides of end plate 100 are additionally provided with positioning hole 1000, the fixation for module and battery bag.Side plate 102 is provided with multiple sides
Board button hole 1020, the upper cover plate for fixed module.
It is electrically connected between battery 20 using connecting elements 30, connecting elements 30 can be realized between multiple batteries 20
Series connection and/or parallel connection.In the embodiment shown in fig. 1, connecting elements 30 connects into multiple batteries 20 battery pack of 2 and 6 strings
Structure.The preferred trade mark of material of connecting elements 30 is 1060 fine aluminium, can also use the electric conductivity preferable material generations such as copper, nickel
Replace.
The kink 302 of connecting elements 30 includes the first kink 3020 and the second kink 3022, the first kink
3020 one end is fixed with one end of connecting portion 300 of connecting elements 30 and extended along the direction towards battery 20, the first kink
3020 other end is fixed with the second kink 3022.
Battery 20 includes top cover 202, exists necessarily between the electrode terminal 200 of battery 20 and the upper surface of top cover 202
Difference in height, the first kink 3020 extend to the upper surface of top cover 202 from connecting portion 300, and the second kink 3022 is parallel to top
The upper surface of lid 202.First kink 3020 is mutually perpendicular to connecting portion 300, the first kink 3020 and the second kink
3022 are mutually perpendicular to.For connecting elements 30, its connecting portion 300 is located on electrode terminal 200, and the second kink 3022 is positioned at top
On the upper surface of lid 202, the first kink 3020 is located between electrode terminal 200 and the upper surface of top cover 202.It is used as this practicality
A kind of embodiment of novel power battery module, connecting portion 300, the first kink 3020, the one of the second kink 3022 into
Type, i.e. connecting elements 30 are integral type structure.
Sampling component 40 is fixed on the second kink 3022 and electrically connected with the second kink 3022.
As a kind of embodiment of the utility model power battery module, sampling component 40 is fixed on second by being glued
On kink 3022.The backside coating of sampling component 40 has a certain amount of colloid, is fixed on connecting elements by the viscosity of colloid
On 30 the second kink 3022, in the present embodiment, used colloid is preferably the thick double faced adhesive tapes of 0.1mm.Meanwhile in order to
The fixed effect of enhancing sampling component 40, dispensing between component 40 and battery 20 can also be being sampled, sampling component 40 is local to be applied
There is a certain amount of structure glue that further sampling component 40 can be fixed, prevent from rocking.
As a kind of embodiment of the utility model power battery module, sampling component 40 is flexible PCB, is being adopted
It is integrated with the Acquisition Circuit of the voltage of collection module battery 20 on sample component 40, Acquisition Circuit is by the real-time voltage of each battery of collection
The connector 400 set to sampling component 40 end is transmitted, connector 400 is connected with external circuit monitoring unit.
Sampling component 40 is electrically connected by bonding wire 50 with the second kink 3022, to gather the voltage of battery 20 letter
Number.Pad 404 and through hole 402 are provided with sampling component 40, one end of bonding wire 50 is fixedly connected on pad 404, separately
One end is through through hole 402 and is fixed on the second kink 3022, as a kind of preferred embodiment of the present utility model, bonding
Lead 50 is welded between the kink 3022 of pad 404 and second by supersonic bonding technique.Bonding wire 50 is using thread
Or strip material, it has certain camber and arc length, can be aluminium wire, copper wire, aluminium strip, copper strips or the other silks of different size
The high conductivity material of shape, banding, in the present embodiment, it is preferential use purity for 99.99% high-purity aluminium wire.The table of pad 404
Face is coated with the material of the suitable bonding such as NiP, NiPdAu, and in the present embodiment, the NiP that the surface of pad 404 is coated with 4-6 μm of thickness is closed
The content of gold, wherein P is 6-9%.In addition, in order to increase the reliability of bonding wire 50, one is coated outside bonding wire 50
Layer Protection glue (such as silica gel), Protection glue can be Global Macros or welding point localised protection.
One group of bonding wire for being used for temperature sampling can also be arranged between sampling component 40 and connecting elements 30 (in figure not
Show).A number of temperature sensor is disposed about in pad 404, for detecting the temperature of battery 20.Temperature sensor can
By bonding wire collecting temperature data, can also be conducted heat by the heat transfer of connecting elements 30.
In summary, the utility model power battery module, will in order to realize the collection to battery real-time voltage and temperature
It is integrated with sampling component 40 of the flexible PCB as battery 20 of voltage sampling circuit, temperature sampling circuit and temperature sensor
And be installed in battery modules, wherein, sampling component 40 is directly fixedly connected on the second bending of top cover 202 and connecting elements 30
In portion 3022, and the real-time voltage of collection and temperature signal are transmitted to external circuit monitoring unit eventually through connector 400,
Realize the real-time monitoring to battery modules.
The detailed description of the utility model embodiment can be seen that relative to prior art, this practicality with reference to more than
Novel power battery module has advantages below：
1. voltage sampling circuit, temperature sampling circuit are integrated in sampling component 40, the inside of battery modules is simplified
Structure, operating procedure is simple, and production cost is low；
2. kink 302 is set on connecting elements 30 so that sampling component 40 can be fixed on connecting elements 30 simultaneously
On top cover 202, it can avoid sampling the structural stability rocked problem, improve battery modules of component 40.
3. the second kink 3022 of kink 302 is located on top cover 202 and parallel with the upper surface of top cover 202 so that key
, will not be too near with the distance of module upper cover plate after conjunction lead 50 is bonded to the second kink 3022, module can be avoided to stack
During the risk for breaking bonding wire 50 is produced because of the deformation of module upper cover plate.
The announcement and teaching of book according to the above description, the utility model those skilled in the art can also be to above-mentioned realities
The mode of applying carries out appropriate change and modification.Therefore, the utility model is not limited to specific implementation disclosed and described above
Mode, some modifications and changes of the present utility model should also be as falling into scope of the claims of the present utility model.
In addition, although used some specific terms in this specification, but these terms are merely for convenience of description, not to this reality
With new composition any restrictions.
Claims (10)
1. a kind of power battery module, including multiple batteries, connecting elements and sampling component, each battery have electrode tip
Son, the connecting elements include connecting portion and kink, and the connecting portion is electrically connected to the electrode terminal of the adjacent battery, institute
Sampling component is stated to be fixed on the kink and electrically connect with the kink.
2. power battery module according to claim 1, it is characterised in that the kink includes the first kink and the
Two kinks, one end of first kink are fixed with described connecting portion one end and extended along the direction towards the battery,
The other end of first kink is fixed with second kink.
3. power battery module according to claim 2, it is characterised in that the battery includes top cover, and described first is curved
Folding part extends to the upper surface of the top cover, upper surface of second kink parallel to the top cover.
4. power battery module according to claim 2, it is characterised in that first kink and the connecting portion phase
Mutually vertical, first kink is mutually perpendicular to second kink.
5. power battery module according to claim 2, it is characterised in that the connecting portion, first kink, institute
The second kink is stated to be integrally formed.
6. power battery module according to claim 2, it is characterised in that the sampling component is fixed on the second kink
Above and with the second kink electrically connect.
7. power battery module according to claim 6, it is characterised in that the sampling component is fixed on the by being glued
On two kinks.
8. power battery module according to claim 6, it is characterised in that the sampling component passes through bonding wire and the
Two kinks electrically connect.
9. power battery module according to claim 8, it is characterised in that be provided with pad on the sampling component and lead to
Hole, one end and the pad of the bonding wire are fixed, and the other end is fixed through through hole with the second kink.
10. power battery module according to claim 1, it is characterised in that the sampling component is flexible PCB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720506231.9U CN206806417U (en) | 2017-05-09 | 2017-05-09 | Power battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720506231.9U CN206806417U (en) | 2017-05-09 | 2017-05-09 | Power battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206806417U true CN206806417U (en) | 2017-12-26 |
Family
ID=60739232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720506231.9U Active CN206806417U (en) | 2017-05-09 | 2017-05-09 | Power battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206806417U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108598353A (en) * | 2018-01-16 | 2018-09-28 | 宁德时代新能源科技股份有限公司 | Rechargeable battery |
| CN108767519A (en) * | 2018-06-28 | 2018-11-06 | 东莞市奕东电子有限公司 | A kind of power battery adopts pressure FPC components |
| CN109935775A (en) * | 2019-03-07 | 2019-06-25 | 浙江零跑科技有限公司 | Rectangular cell modular structure |
| WO2019141149A1 (en) * | 2018-01-22 | 2019-07-25 | 宁德时代新能源科技股份有限公司 | Battery pack |
| WO2019140779A1 (en) * | 2018-01-16 | 2019-07-25 | 宁德时代新能源科技股份有限公司 | Connection member and rechargeable battery |
| WO2020134979A1 (en) * | 2018-12-29 | 2020-07-02 | 宁德时代新能源科技股份有限公司 | Battery module |
| US12002993B2 (en) | 2021-09-10 | 2024-06-04 | Milwaukee Electric Tool Corporation | Battery pack with wire bonded bus bars |
| CN118539109A (en) * | 2024-07-25 | 2024-08-23 | 比亚迪股份有限公司 | Wire bonding method of power battery, power battery and electric equipment |
-
2017
- 2017-05-09 CN CN201720506231.9U patent/CN206806417U/en active Active
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11489236B2 (en) | 2018-01-16 | 2022-11-01 | Contemporary Amperex Technology Co., Limited | Rechargeable battery |
| US11824285B2 (en) | 2018-01-16 | 2023-11-21 | Contemporary Amperex Technology Co., Limited | Connection member and rechargeable battery |
| CN108598353A (en) * | 2018-01-16 | 2018-09-28 | 宁德时代新能源科技股份有限公司 | Rechargeable battery |
| US11824286B2 (en) | 2018-01-16 | 2023-11-21 | Contemporary Amperex Technology Co., Limited | Connection member and rechargeable battery |
| US11581615B2 (en) | 2018-01-16 | 2023-02-14 | Contemporary Amperex Technology Co., Limited | Connection member and rechargeable battery |
| US11811155B2 (en) | 2018-01-16 | 2023-11-07 | Contemporary Amperex Technology Co., Limited | Connection member and rechargeable battery |
| WO2019140779A1 (en) * | 2018-01-16 | 2019-07-25 | 宁德时代新能源科技股份有限公司 | Connection member and rechargeable battery |
| US11742526B2 (en) | 2018-01-16 | 2023-08-29 | Contemporary Amperex Technology Co., Limited | Rechargeable battery |
| EP3731308A4 (en) * | 2018-01-22 | 2021-01-20 | Contemporary Amperex Technology Co., Limited | Battery pack |
| EP4068486A1 (en) * | 2018-01-22 | 2022-10-05 | Contemporary Amperex Technology Co., Limited | Battery pack |
| WO2019141149A1 (en) * | 2018-01-22 | 2019-07-25 | 宁德时代新能源科技股份有限公司 | Battery pack |
| US11916246B2 (en) | 2018-01-22 | 2024-02-27 | Contemporary Amperex Technology Co., Limited | Battery pack |
| CN108767519A (en) * | 2018-06-28 | 2018-11-06 | 东莞市奕东电子有限公司 | A kind of power battery adopts pressure FPC components |
| WO2020134979A1 (en) * | 2018-12-29 | 2020-07-02 | 宁德时代新能源科技股份有限公司 | Battery module |
| CN109935775A (en) * | 2019-03-07 | 2019-06-25 | 浙江零跑科技有限公司 | Rectangular cell modular structure |
| US12002993B2 (en) | 2021-09-10 | 2024-06-04 | Milwaukee Electric Tool Corporation | Battery pack with wire bonded bus bars |
| CN118539109A (en) * | 2024-07-25 | 2024-08-23 | 比亚迪股份有限公司 | Wire bonding method of power battery, power battery and electric equipment |
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