CN205882042U - Lithium battery structure - Google Patents
Lithium battery structure Download PDFInfo
- Publication number
- CN205882042U CN205882042U CN201620693191.9U CN201620693191U CN205882042U CN 205882042 U CN205882042 U CN 205882042U CN 201620693191 U CN201620693191 U CN 201620693191U CN 205882042 U CN205882042 U CN 205882042U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- nickel sheet
- battery
- sheet
- lithium 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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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
Abstract
The utility model provides a lithium battery structure, includes the circuit board and installs a plurality of batteries on the circuit board, its characterized in that, also including be provided circuit Board the nickel piece and with the sheetmetal of nickel piece quantity one -to -one, the one end and circuit board of every nickel piece is fixed, the 2nd end of every nickel piece extends to the orientation of keeping away from the circuit board, the one end and circuit board of every sheetmetal is fixed, the other end of every sheetmetal extends to the orientation of keeping away from the circuit board, every battery is provided on the circuit board and the butt between a sheetmetal and nickel piece, just the battery with the sheetmetal and nickel piece electric connection, the wavy shape of nickel piece for buckling, including a narrow section between the first end of nickel piece and the second end, the width of narrow section is less than the width of first end and second end. When every the electric current of battery is unexpected when too big, with battery electric connection nickel sector -meeting fusing is with the protection lithium battery structure.
Description
[technical field]
This utility model relates to technical field of lithium batteries, particularly relates to a kind of lithium battery structure.
[background technology]
Lithium ion battery complies with national energy-saving environmental protection theme, has environmental protection, voltage is high, energy density big, it is fast to charge
The good characteristics such as speed, life-span length.Due to these good characteristics, make lithium ion battery obtain in modern society and be widely applied,
The fast development of automobile industry the most in recent years, especially give lithium ion battery development bring new opportunity.Along with
The Rapid Expansion of lithium ion battery industry, its safety, reliability also receive much concern, the current lithium battery module some electricity of many employings
Pond connection in series-parallel forms module, then is coupled together with protection board or BMS by module by wire harness, when in module, certain single battery goes out
Existing problem, when the situation such as too high in temperature rise, short circuit thermal occurs, the hot shortness's dielectric film on this single battery will be received by high temperature
Contract, rupture, easily cause short circuit between battery cell, and add caloric value, increase the chain reaction of each battery cell, cause
The phenomenon that battery modules heating is even burnt.Without flexible after being connected with battery, in vibration processes, the sheet that confluxes easily is pulled apart, and causes
Whole module lost efficacy in consideration of it, be necessary to provide a kind of novel lithium battery structure to overcome disadvantages described above in fact.
[utility model content]
The purpose of this utility model is to provide one and can effectively dispel the heat, and uses safer lithium battery structure.
To achieve these goals, this utility model provides a kind of lithium battery structure, including circuit board and be arranged on institute
State the multiple batteries on circuit board, the nickel sheet that also includes being arranged on circuit board surface and with nickel sheet quantity metal one to one
Sheet, the first end of each nickel sheet and circuit board are fixed and are electrically connected with circuit board, and the second end of each nickel sheet is to away from circuit
The direction of plate extends, and one end of each sheet metal and circuit board are fixed and be electrically connected with circuit board, another of each sheet metal
Holding and extend to the direction away from circuit board, each battery is arranged on described circuit board and is connected to a sheet metal and a nickel
Between sheet, and described battery is electrically connected with described sheet metal and described nickel sheet, and described nickel sheet is the wave shape of bending,
Including a narrow section between first end and second end of described nickel sheet, the width of narrow section is less than the first end and the width of the second end
Degree.
In a preferred embodiment, the positive pole of each described battery is electrically connected with described sheet metal, each described
The negative pole of battery is electrically connected with described nickel sheet.
In a preferred embodiment, the positive pole of each described battery is electrically connected with described nickel sheet, each described electricity
The negative pole in pond is electrically connected with sheet metal.
In a preferred embodiment, the thickness of described nickel sheet is 0.1～0.2mm.
In a preferred embodiment, this circuit board is provided with through hole and the multiple pads around described through hole, often
First end of individual described nickel sheet is plugged in described through hole and by described pad solder on described circuit board.
In a preferred embodiment, one end of each described sheet metal plugs into described through hole and by described weldering
Dish is welded on described circuit board.
In a preferred embodiment, described battery is ferric phosphate lithium cell.
Compared to prior art, the lithium battery structure that this utility model provides uses nickel sheet and circuit board to combine and arranges list
Body battery, all there is fuse protection nickel sheet and cell junction, when single battery electric current unexpected excessive time can fuse in time, protect
Protect the safety of whole lithium battery structure；Nickel sheet uses undaform bending structure, has and has good flexibility, energy in vibration processes
Absorb vibration energy, reduce displacement, stop the phenomenon that the existing sheet that confluxes easily is pulled apart, it is ensured that lithium battery structure responsible
Property.
[accompanying drawing explanation]
The axonometric chart of the lithium battery structure that Fig. 1 provides for this utility model.
Fig. 2 is the axonometric chart after lithium battery structure shown in Fig. 1 removes cell.
The top view of the circuit board that Fig. 3 this utility model provides.
The front view of the nickel sheet that Fig. 4 this utility model provides.
The axonometric chart of the nickel sheet that Fig. 5 provides for this utility model.
[detailed description of the invention]
In order to make the purpose of this utility model, technical scheme and Advantageous Effects become apparent from understanding, below in conjunction with attached
Figure and detailed description of the invention, be further elaborated to this utility model.It should be appreciated that described in this specification
Detailed description of the invention is only used to explain this utility model, is not intended to limit this utility model.
As shown in Figures 1 to 4, this utility model provides a kind of lithium battery structure 100, comprising: circuit board 10, be arranged on
Nickel sheet 20, sheet metal 40 and cell 30 on circuit board 10.
Through hole 50 and the multiple pads 60 around described through hole 50 it are provided with on described circuit board 10.Circuit board 10 surface is also
Be provided with described nickel sheet 20 and with nickel sheet 20 quantity sheet metal 40 one to one.
First end 201 of each nickel sheet 20 inserts the described through hole 50 of described circuit board 10, and by described pad 60
It is electrically connected with fixing with described circuit board 10.Second end 202 of each described nickel sheet 20 extends to the direction away from circuit board 10.
Described sheet metal 40 is rectangle plates.The institute of described circuit board 10 is inserted in one end of each described sheet metal 40
State through hole 50, and be electrically connected with fixing by described pad 60 and described circuit board 10 and be electrically connected with circuit board 60,
The other end of each sheet metal 40 extends to the direction away from circuit board 10.
Each cell 30 is arranged on described circuit board 10 and is connected to nickel described in a described sheet metal 40 and
Between sheet 20, and the negative pole of described battery 30 is electrically connected with described sheet metal 40 and described nickel sheet 20 respectively with positive pole.When
The electric current of described battery 30 unexpected excessive time, described nickel sheet 10 can fuse to protect described lithium battery structure.
Specifically, described battery 30 is ferric phosphate lithium cell.The positive pole of described battery 30 is electrically connected with described nickel sheet 10,
The negative pole of each described battery 30 is electrically connected with described sheet metal 40.In other embodiments, it is also possible to make each described
The positive pole of battery 30 is electrically connected with described sheet metal 40, and the negative pole of each described battery 30 is electrically connected with described nickel sheet 20.
Referring to Fig. 4～5, described nickel sheet 20 is irregular chip shape, and it all has certain in X-axis, Y-axis, Z-direction
Displacement.Described nickel sheet 20 has certain resilience force through punching press, bending and molding, so shaped described nickel sheet 20, can absorb
The local displacement caused because of extraneous vibration.In the present embodiment, described nickel sheet 20 is the wave shape of bending.Described nickel sheet
The thickness of 20 is 0.1～0.2mm.A narrow section 70 is included between first end 201 and second end 202 of described nickel sheet 20, narrow
The width of narrow section 70 is less than the first end 201 and width of the second end 202, and described battery 30 is electrically connected with described narrow section 70,
At big electric current through out-of-date, described narrow section 70 fuses, and cuts off the loop of described battery 30 thus protects single battery, Jin Erbao
Protect whole lithium battery structure.
In sum, the lithium battery structure that this utility model provides uses described nickel sheet 20 to be combined with described circuit board 10
Structure arranges described battery, and each battery 30 has narrow section 70 as fuse protection, when described electricity with the junction of nickel sheet 20
Pond 30 electric current unexpected excessive time can fuse in time, protect the safety of whole lithium battery structure；Described nickel sheet 20 uses undaform to roll over
Kinking structure, has good flexibility, can absorb vibration energy in vibration processes, reduces displacement, stops the existing sheet that confluxes easy
The phenomenon pulled apart, it is ensured that the reliability of lithium battery structure.
This utility model is not restricted to described in description and embodiment, therefore for the personnel of familiar field
For be easily achieved additional advantage and amendment, therefore at the general concept limited without departing substantially from claim and equivalency range
Spirit and scope in the case of, this utility model be not limited to specific details, representational equipment and shown here as with retouch
The examples shown stated.
Claims (7)
1. a lithium battery structure, it is characterised in that: include circuit board and the multiple batteries being arranged on described circuit board, its
Be characterised by, the nickel sheet that also includes being arranged on circuit board surface and with nickel sheet quantity sheet metal one to one, each nickel sheet
The first end fix with circuit board, the second end of each nickel sheet to away from circuit board direction extend, one end of each sheet metal
Fixing with circuit board, the other end of each sheet metal extends to the direction away from circuit board, and each battery is arranged on described circuit
On plate and be connected between a sheet metal and a nickel sheet, and described battery electrically connects with described sheet metal and described nickel sheet
Connecing, described nickel sheet is the wave shape of bending, includes a narrow section between the first end and second end of described nickel sheet, narrow
The width of section is less than the first end and the width of the second end.
2. lithium battery structure as claimed in claim 1, it is characterised in that: the positive pole of each described battery and described sheet metal electricity
Property connect, the negative pole of each described battery and described nickel sheet are electrically connected with.
3. lithium battery structure as claimed in claim 1, it is characterised in that: the positive pole of each described battery is electrical with described nickel sheet
Connecting, the negative pole of each described battery is electrically connected with sheet metal.
4. lithium battery structure as claimed in claim 1, it is characterised in that: the thickness of described nickel sheet is 0.1～0.2mm.
5. lithium battery structure as claimed in claim 1, it is characterised in that: it is provided with through hole on this circuit board and around described logical
Multiple pads in hole, the first end of each described nickel sheet is plugged in described through hole and by described pad solder at described circuit
On plate.
6. lithium battery structure as claimed in claim 5, it is characterised in that: one end of each described sheet metal plugs into described logical
Hole and by described pad solder on described circuit board.
7. lithium battery structure as claimed in claim 1, it is characterised in that: described battery is ferric phosphate lithium cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620693191.9U CN205882042U (en) | 2016-07-01 | 2016-07-01 | Lithium battery structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620693191.9U CN205882042U (en) | 2016-07-01 | 2016-07-01 | Lithium battery structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205882042U true CN205882042U (en) | 2017-01-11 |
Family
ID=57694165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620693191.9U Active CN205882042U (en) | 2016-07-01 | 2016-07-01 | Lithium battery structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205882042U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113632310A (en) * | 2019-03-28 | 2021-11-09 | Cps 科技控股有限公司 | Flexible circuit with fuse, bus bar holder including lead-in structure, conductive assembly with bus bar, and battery including conductive assembly |
-
2016
- 2016-07-01 CN CN201620693191.9U patent/CN205882042U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113632310A (en) * | 2019-03-28 | 2021-11-09 | Cps 科技控股有限公司 | Flexible circuit with fuse, bus bar holder including lead-in structure, conductive assembly with bus bar, and battery including conductive assembly |
| CN113632310B (en) * | 2019-03-28 | 2023-12-29 | Cps 科技控股有限公司 | Flexible circuit with fuse and battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20180428 Granted publication date: 20170111 |
|
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20210428 Granted publication date: 20170111 |
|
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20210428 Granted publication date: 20170111 |