CN207883784U - A kind of battery modules - Google Patents
A kind of battery modules Download PDFInfo
- Publication number
- CN207883784U CN207883784U CN201820340271.5U CN201820340271U CN207883784U CN 207883784 U CN207883784 U CN 207883784U CN 201820340271 U CN201820340271 U CN 201820340271U CN 207883784 U CN207883784 U CN 207883784U
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- CN
- China
- Prior art keywords
- flexible pcb
- insulating barrier
- battery modules
- data acquisition
- battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
Abstract
The utility model is related to battery technology field, the utility model provides a kind of battery modules, including：Framework；At least two single batteries have opposite polarity electrode terminal, are arranged side by side in the framework, are electrically connected by electrode connecting piece；Flexible PCB is provided with more than one first bonding pad；Insulating barrier is set between the single battery and the flexible PCB, offers through-hole；The first bonding pad on the flexible PCB is electrically connected with the electrode connecting piece across the through-hole.Above-mentioned technical proposal is additionally arranged insulating barrier, and flexible PCB is fixed on insulating barrier upper surface, avoids flexible PCB and fails because single battery expansive force is torn, greatly improves the service life of flexible PCB.
Description
Technical field
The utility model is related to battery technology fields, more particularly to a kind of battery modules.
Background technology
In the prior art, data acquisition circuit is provided in battery modules, for acquiring battery modules internal temperature
The voltage data of data and each single battery.As battery technology develops toward highly integrated and lightweight direction, battery modules
In more and more acquire above-mentioned data using flexible PCB.
As shown in Figure 1, in the prior art, the flexible PCB 20 is set to the upper of single battery 10 in battery modules
Surface is provided with more than two first bonding pads 21 on the flexible PCB 20, correspondence is provided on single battery 10
The second bonding pad 111, the first bonding pad 21 on the flexible PCB 20 and the second bonding pad 111 on single battery 10
Electrical connection.Wherein, the flexible PCB 20 is directly adhered to the upper surface of single battery 10, and single battery 10 was using
Cheng Zhonghui expands, and flexible PCB 20 is easy to fail because the expansive force of single battery is torn, thus can not normal acquisition battery
Module data.
Therefore, it is urgent to provide a kind of completely new technical solutions to solve the above problems.
Utility model content
For this reason, it may be necessary to a kind of novel battery modules are provided, for solving in the prior art, acquisition battery modules data
Flexible PCB is directly adhered to single battery surface, easily because the expansive force of single battery, which is torn, to fail the problem of.
For real co-occurrence above-mentioned purpose, the utility model provides a kind of battery modules, including：
Framework has single battery accommodating chamber；
At least two single batteries have opposite polarity electrode terminal, are arranged side by side in the single battery accommodating chamber
It is interior, it is electrically connected by electrode connecting piece；
Flexible PCB, including data acquisition lines, the data acquisition line road are provided with more than one first and connect
Meet area；
Insulating barrier is set to above the single battery, and the flexible PCB is fixed on the insulating barrier,
Through-hole is offered on the insulating barrier；
First bonding pad on the flexible PCB is electrically connected with the electrode connecting piece across the through-hole.
Further, the upper surface setting of the insulating barrier is fluted, and the flexible PCB is adhered to the groove
Interior, the depth of the groove is greater than or equal to the thickness of the flexible PCB.
Further, the lower surface of the insulating barrier is provided with reinforcement structure.
Further, the reinforcement structure includes reinforcement block and reinforcing rib, and the reinforcement block is set to the reinforcing rib
The surrounding of the insulating barrier lower surface.
Further, the material of the insulating barrier is any one of resin, plastics, PVC.
Further, the lower surface of the flexible PCB is provided with gum layer.
Further, the battery modules further include：End plate is set to the single battery orientation in the framework
Both ends.
Further, the flexible PCB includes temperature data acquisition circuit and voltage data acquisition circuit, the electricity
The end of pressure data acquisition lines and the temperature data acquisition circuit is provided with first bonding pad.
Further, the flexible PCB further includes connector, the connector and the temperature data acquisition circuit
With voltage data acquisition circuit electrical connection.
Further, first bonding pad on the flexible PCB is bonded connection with the electrode connecting piece.
It is different from the prior art, above-mentioned technical proposal is additionally arranged between the single battery and flexible PCB of battery modules
Insulating barrier, the flexible PCB are fixed on insulating barrier upper surface, to effectively avoid single battery expansion from causing flexibility
Circuit board is torn, and greatly improves the service life of flexible PCB.
Description of the drawings
Fig. 1 is the vertical view of battery modules described in background technology；
Fig. 2 is that the installation position of flexible PCB and insulating barrier described in battery modules described in specific implementation mode shows
It is intended to；
Fig. 3 a are the dimensional structure diagram of insulating barrier described in specific implementation mode；
Fig. 3 b are the positive structure schematic of insulating barrier described in specific implementation mode；
Fig. 3 c are the structure schematic diagram of insulating barrier described in specific implementation mode；
Fig. 4 is the vertical view of battery modules described in specific implementation mode；
Reference sign：
10, single battery；11, electrode connecting piece；111, the second bonding pad；
20, flexible PCB；21, the first bonding pad；
30, insulating barrier；31, through-hole；32, groove；
33, reinforcement structure；331, reinforcement block；332, reinforcing rib；
40, framework；
50, end plate；
Specific implementation mode
For the technology contents of technical solution, construction feature, the objects and the effects are described in detail, below in conjunction with specific reality
It applies example and attached drawing is coordinated to be explained in detail.
Please see Fig. 2 to Fig. 4, a kind of battery modules are present embodiments provided.The battery modules include：Framework 40, list
Body battery 10, insulating barrier 30 and flexible PCB 20.Wherein, the framework 40 includes at least the gusset of four head and the tail connections
Plate, the gusset plate surround single battery accommodating chamber.The single battery 10 is placed in the single battery accommodating chamber.It is preferred that
, the both ends of 10 orientation of the single battery are additionally provided with end plate 50 in the framework 40.The end plate 50 can prevent
The single battery 10 expands, and keeps the global shape of battery modules.
The single battery 10 at least two, the single battery 10 are arranged in the list in such a way that patch is leaned in side each other
In body battery accommodating chamber, the upper surface of the single battery 10 has opposite polarity electrode terminal, adjacent single battery 10
Electrode terminal connected by electrode connecting piece 11, to realize being connected in series with or being connected in parallel for single battery 10.
The flexible PCB 20 is connect with the single battery 10, the number for acquiring single battery 10 in battery modules
According to.Flexible PCB 20 includes data acquisition lines (being not drawn into figure), and the data acquisition line road is provided with more than one
The first bonding pad 21.
The insulating barrier 30 is made by isolation materials such as resin, plastics, PVC, and insulating barrier 30 is placed in the list
Between body battery 10 and the flexible PCB 20.The flexible PCB 20 is adhered to the upper surface of the insulating barrier 30,
The lower surface of the insulating barrier 30 and the upper surface of the single battery 10 lean.It is offered on the insulating barrier 30
Through-hole 31 corresponding with first bonding pad 21, the through-hole 31 are located at the upper of the electrode connecting piece 11 of single battery 10
Side, makes the second bonding pad 111 in electrode connecting piece 11 not covered by insulating barrier 30.It is described on the flexible PCB 20
First bonding pad 21 is electrically connected with the second bonding pad 111 in the electrode connecting piece 11 across the through-hole 31, the flexibility
Data acquisition lines on circuit board 20 are connect with the electrode connecting piece 11, in order to acquire the data of single battery 10.
Preferably, the in first bonding pad 21 on the flexible PCB 20 and the electrode connecting piece 11
Two bonding pads 111 are connected by wire bonding, wherein and lead passes through the through-hole 31, one end to be connect with first bonding pad,
The other end is connect with second bonding pad.Wire bonding (Wire Bonding) is the weldering by circuit board or semiconductor chip
Connect the technology that area is connected with other wiring welding sections with filament.The present embodiment is in the single battery 10 and institute
It states and is additionally arranged insulating barrier 30 between flexible PCB 20, flexible PCB 20 is not directly adhered on single battery 10, from
And the expansive force of single battery 10 is made not act on flexible PCB 20, it effectively prevent flexible PCB 20 because of monomer electricity
The expansive force in pond 10 tears and fails.Make there are certain difference in height between each single battery 10 in existing battery modules
The holding power of single battery 10 is insufficient, and the insulating barrier supports caused by also effectively overcoming 10 difference in height of single battery
Power is insufficient, is not easy to electrical connection operation and the bonding of flexible PCB 20 loosely, the weak problem of bonding strength effectively increases
Flexible PCB is electrically connected the reliability of operating efficiency and connection.
As shown in Fig. 2, in the present embodiment, the electrode connecting piece 11 covers the electrode terminal on single battery 10 completely
It covers, the first bonding pad 21 on the flexible PCB 20 is electrically connected with the second bonding pad 111 in the electrode connecting piece 11
It connects.And in some embodiments, the electrode terminal of single battery 10 is not completely covered for electrode connecting piece 11, electrode terminal section
Exceptionally it is exposed to the electrode connecting piece 11.In this embodiment, the through-hole 31 on the insulating barrier 30 and electrode terminal are exposed
Part is opposite, and the first bonding pad 21 on the flexible PCB 20 is directly electrically connected with the exposed parts of the electrode terminal.
Therefore the data acquisition lines can directly acquire the data of single battery by the electrode terminal.
Preferably, the flexible PCB 20 includes temperature data acquisition circuit and voltage data acquisition circuit, in institute
The end for stating voltage data acquisition circuit and temperature data acquisition circuit is provided with first bonding pad 21.The voltage data
Acquisition circuit be electrically connected with the second bonding pad 111 in the electrode connecting piece 11 by first bonding pad 21, realization and
The electrode connecting piece 11 is electrically connected, so as to directly collect the voltage data of single battery 10.
In order to acquire the temperature data inside battery modules, usually set in the electrode connecting piece 11 of the single battery 10
It is equipped with temperature sensor, and by the temperature data acquisition line end on the lead of temperature sensor and the flexible PCB 20
The first bonding pad 21 electrical connection, to pass through the temperature sensor acquire battery modules inside temperature data.Preferably,
In order to improve the heat transference efficiency and accuracy of detection of temperature sensor, heat-conducting glue is equipped on the surface of the temperature sensor.
Preferably, for the ease of exporting the data acquired outward, the flexible PCB 20 further includes connector, institute
It states connector and is also PCB connectors, be used exclusively for the interface unit of connection and fixing printing wiring board.The connector and institute
Temperature data acquisition circuit and voltage data acquisition circuit electrical connection are stated, also has on the connector and is used for and printed circuit
The connecting pin that plate is connected, data are transmitted to by the connecting pin on the printed circuit board of battery management system.
In some embodiments, it can be not provided with the connector on the flexible PCB 20, but connector is set
Be placed on the printed circuit board being connected with the flexible PCB 20, thus need to only be arranged on the flexible PCB 20 with
The compatible plug division of the connector, being arranged side by side on the plug division has multiple output pins, to flexible electrical
The data that road plate 20 acquires are transmitted to by the plug division on printed circuit board.
As shown in Fig. 2, Fig. 3 a Fig. 3 b and Fig. 4, in the present embodiment, it is provided in the upper surface of the insulating barrier 30 recessed
Slot 32, the groove 32 and the flexible PCB 20 match or slightly larger than the flexible PCB 20 size, it is described recessed
The depth of slot 32 is greater than or equal to the thickness of the flexible PCB 20, and the flexible PCB 20 is adhered to the groove 32
It is interior.The groove 32 makes the upper surface of flexible PCB 20 be flushed with insulating barrier 30 or slightly below insulating barrier 30, can prevent
Object above battery modules is directly laminated in the surface of the flexible PCB 20.Certainly in some embodiments, described exhausted
The groove 32 is not arranged for edge partition board 30, and entire upper surface is smooth plane, and the flexible PCB 20 is directly viscous
It is connected to the upper surface of the insulating barrier 30.
In some embodiments, for the ease of the bonding of the flexible PCB 20, under the flexible PCB 20
Surface is provided with gum layer.Therefore gluing can be not required to can directly be adhered to flexible PCB 20 on the insulating barrier 30.
As shown in Figure 3c, in the present embodiment, to improve the structural strength of the insulating barrier 30, in the insulating barrier
30 lower surface is provided with reinforcement structure 33.Wherein, the reinforcement structure 33 includes reinforcement block 331 and reinforcing rib 332, wherein
The width of the reinforcement block 331 is more than the width of the reinforcing rib 332.The reinforcement block 331 is arranged with the reinforcing rib 332
32 edge of the groove is extended in institute in 30 lower surface edge of the insulating barrier, and from the edge of insulating barrier 30 to middle part
State the position corresponding to 30 lower surface of insulating barrier.
In some embodiments, the reinforcement structure of 30 lower surface of the insulating barrier can only be arranged the reinforcement block 331 or
One kind in reinforcing rib 332.The reinforcement block 331 or reinforcing rib 332 can also be to extend from the edge of 30 side of insulating barrier
To the opposite other side.Certainly, in some embodiments, the lower surface of the insulating barrier 30 can also be not provided with any reinforcement
Structure.
It should be noted that although the various embodiments described above have been described herein, it is not intended to limit
The scope of patent protection of the utility model.Therefore, the innovative idea based on the utility model carries out embodiment described herein
Change and modification or equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, directly
Or above technical scheme is used in other related technical areas indirectly, it is included in the protection model of the utility model patent
Within enclosing.
Claims (10)
1. a kind of battery modules, which is characterized in that including：
Framework has single battery accommodating chamber；
At least two single batteries have opposite polarity electrode terminal, are arranged side by side in the single battery accommodating chamber, lead to
Cross electrode connecting piece electrical connection；
Flexible PCB, including data acquisition lines, the data acquisition line road are provided with more than one first bonding pad；
Insulating barrier is set to above the single battery, and the flexible PCB is fixed on the insulating barrier, described
Through-hole is further opened on insulating barrier；
First bonding pad on the flexible PCB is electrically connected with the electrode connecting piece across the through-hole.
2. battery modules according to claim 1, which is characterized in that the upper surface setting of the insulating barrier is fluted,
The flexible PCB is adhered in the groove, and the depth of the groove is greater than or equal to the thickness of the flexible PCB.
3. battery modules according to claim 1, which is characterized in that the lower surface of the insulating barrier is provided with reinforcement knot
Structure.
4. battery modules according to claim 3, which is characterized in that the reinforcement structure includes reinforcement block and reinforcing rib,
The reinforcement block is set to the surrounding of the insulating barrier lower surface with the reinforcing rib.
5. battery modules according to claim 1, which is characterized in that the material of the insulating barrier be resin, plastics,
Any one of PVC.
6. battery modules according to claim 1, which is characterized in that the lower surface of the flexible PCB is provided with gum
Layer.
7. battery modules according to claim 1, which is characterized in that further include：
End plate is set to the both ends of the single battery orientation in the framework.
8. battery modules according to claim 1, which is characterized in that the flexible PCB includes temperature data acquisition line
Road and voltage data acquire circuit, and the end setting of the voltage data acquisition circuit and the temperature data acquisition circuit is
State the first bonding pad.
9. battery modules according to claim 8, which is characterized in that the flexible PCB further includes connector, described
Connector is electrically connected with the temperature data acquisition circuit and voltage data acquisition circuit.
10. battery modules according to claim 8, which is characterized in that first connection on the flexible PCB
Area is bonded connection with the electrode connecting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820340271.5U CN207883784U (en) | 2018-03-13 | 2018-03-13 | A kind of battery modules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820340271.5U CN207883784U (en) | 2018-03-13 | 2018-03-13 | A kind of battery modules |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207883784U true CN207883784U (en) | 2018-09-18 |
Family
ID=63496214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820340271.5U Active CN207883784U (en) | 2018-03-13 | 2018-03-13 | A kind of battery modules |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207883784U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110931696A (en) * | 2019-11-26 | 2020-03-27 | 中航光电科技股份有限公司 | Battery module and wiring harness board assembly thereof |
| CN114678225A (en) * | 2022-04-15 | 2022-06-28 | 中车株洲电力机车有限公司 | Super capacitor module, assembling method thereof, energy storage power supply and locomotive |
-
2018
- 2018-03-13 CN CN201820340271.5U patent/CN207883784U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110931696A (en) * | 2019-11-26 | 2020-03-27 | 中航光电科技股份有限公司 | Battery module and wiring harness board assembly thereof |
| CN110931696B (en) * | 2019-11-26 | 2022-04-22 | 中航光电科技股份有限公司 | Battery module and wiring harness board assembly thereof |
| CN114678225A (en) * | 2022-04-15 | 2022-06-28 | 中车株洲电力机车有限公司 | Super capacitor module, assembling method thereof, energy storage power supply and locomotive |
| CN114678225B (en) * | 2022-04-15 | 2023-09-05 | 中车株洲电力机车有限公司 | Super capacitor module, assembling method thereof, energy storage power supply and locomotive |
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