CN110148702A - A kind of battery core fusing row - Google Patents
A kind of battery core fusing row Download PDFInfo
- Publication number
- CN110148702A CN110148702A CN201910487308.6A CN201910487308A CN110148702A CN 110148702 A CN110148702 A CN 110148702A CN 201910487308 A CN201910487308 A CN 201910487308A CN 110148702 A CN110148702 A CN 110148702A
- Authority
- CN
- China
- Prior art keywords
- battery core
- row
- bead
- connection
- fusing
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2200/00—Safety devices for primary or secondary batteries
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The present invention relates to battery technology fields, disclose a kind of battery core fusing row.A kind of battery core fusing row, it is arranged including connection, the connection row has link slot, and connection row is broken into 2 parts by the link slot, and first part is for connecting battery core top cover, one end of second part is for connecting battery core body, the link slot includes one group of arc groove, and for being in close contact one group of bead of connection, the bead shape matches with the arc groove, the bead and connection row are conductor, and the fusing point of the bead is lower than the fusing point of the connection row.Battery core fusing row provided by the invention; when current overload or short circuit; when electric current flows through bead; since the fusing point of bead is lower than the fusing point of connection row, molten condition occurs, when sustained overload; bead further reduces; so that gap is generated between bead and link slot, so that connection ranked first part and second part disconnects, to play the role of power-off protection.
Description
Technical field
The present invention relates to new energy resource power battery technical fields, fuse and arrange more particularly to a kind of battery core.
Background technique
Currently, with increasingly miniaturization, lighting and the Portable belt of electronic product, such as video camera, notebook and hand
Machine etc., the driving power of these electronic products also develop towards high capacity, high security and the direction of lighting, lithium battery with
The good characteristics such as its high capacity, are widely used in electronic product.
Lithium battery includes shell, cover board and battery core etc., and wherein battery core is placed in the inside of shell, and the upper end of shell has upper
End opening, cover board are then enclosed in the opening of the upper end of shell, then by forming electrode terminal on the cover board, then can be by lithium electricity
Pond and external electronic component are electrically connected, and realize power supply.
Battery applications field is so extensive, therefore battery core can not be ignored safely.Because battery core would generally by high risk make
With or use process in occur short circuit, so as to cause catching fire accident, more likely jeopardize personal safety.Solve this at present
The method of problem is generally the external some safety blocks in battery case outside to achieve the effect that protection, such as Chinese patent
CN201610176088 and patent CN101567432 is reached by increasing some protection structural members in the shell upper end of battery
This purpose causes many limitations to the use of battery core in this way, and external component increases the complexity of battery structure, and increases
The use cost of battery has been added to increase.
Summary of the invention
For this purpose, an object of the present invention is to provide a kind of fusing of battery core to arrange, by changing battery core inner structural members, come
Achieve the effect that carry out structural member fusing when battery core sustained overload or short circuit to power-off protection.
A kind of battery core fusing row provided by the invention, including connection row, the connection row have link slot, the link slot
Connection row is broken into 2 parts, referred to as first part and second part, first part is for connecting battery core top cover, and second
Partial one end includes one group of arc groove for connecting battery core body, the link slot, for being in close contact one group of bead of connection,
The bead shape matches with the arc groove, and it is conductor that the bead and the connection, which are arranged, and the fusing point of the bead
Lower than the fusing point of the connection row.
Battery core fusing row provided by the invention, when current overload or short circuit, when electric current flows through bead, due to bead
Molten condition occurs for fusing point, when sustained overload, bead is further reduced, so that bead and connection lower than the fusing point of connection row
Gap is generated between slot, so that connection ranked first part and second part disconnects, to play the role of power-off protection.
Further, the mode of first part's connection battery core top cover is that lamination macromolecule diffusion welding (DW) formation is flexible coupling,
The mode of one end connection battery core body of second part is that lamination macromolecule diffusion welding (DW) formation is flexible coupling.Macromolecule diffusion welding (DW) can be with
Guarantee the stability of size and material.
Further, the material of the connection row is copper or aluminum.
Further, the bead material is high conductivity material, and specially silver, copper, aluminium etc. is one such.
Further, the bead is sphere.
Further, the connection row is integrally in " 7 " type, and the link slot is located at the horizontal part of " 7 " type, is incited somebody to action in horizontal part
The connection row is broken into 2 parts, and the vertical portion end of " 7 " type connects battery core body.It is arranged to horizontal part and vertical portion can
So that the stability that fusing row connect with battery core body and battery core top cover.
Further, it is described connection row with a thickness of 1.5~2.5mm.
Further, the quantity and diameter of the bead can be set according to battery core secure threshold.
Further, the present invention provides a kind of battery core, including mentioned-above battery core fusing row.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the embodiment of the present invention are from the description of the embodiment in conjunction with the following figures
It will be apparent and be readily appreciated that, in which:
Fig. 1 is a kind of schematic diagram of cell structure provided by the invention；
Fig. 2 is the structural schematic diagram of battery core connection row provided by the invention a kind of；
Fig. 3 is a kind of structural schematic diagram of the link slot of battery core connection row provided by the invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Fig. 1-Fig. 3 is please referred to, battery core fusing row of the invention is further described in Fig. 1 with reference to the accompanying drawing.
Embodiment 1:
Please refer to Fig. 1-Fig. 3, a kind of battery core fusing row provided by the invention, including connection row 200, the connection row 200
With link slot 2011, connection row is broken into 2 parts, referred to as first part 201 and second part by the link slot
203, for connecting battery core top cover 100, one end of second part 203 is described for connecting battery core body 300 for first part 201
Link slot 2011 includes one group of arc groove, for being in close contact one group of bead 202 of connection, the bead shape and the arc groove
Match, the bead 202 is conductor with connection row 200, and the fusing point of the bead 202 is arranged lower than the connection
200 fusing point.
Battery core fusing row provided by the invention, when current overload or short circuit, when electric current flows through bead, due to bead
Molten condition occurs for fusing point, when sustained overload, bead is further reduced, so that bead and connection lower than the fusing point of connection row
Gap is generated between slot, so that connection ranked first part and second part disconnects, to play the role of power-off protection.
Embodiment 2:
On the basis of embodiment, the mode of first part's connection battery core top cover is that the diffusion welding (DW) of lamination macromolecule is formed
It is flexible coupling, the mode of one end connection battery core body of second part is that lamination macromolecule diffusion welding (DW) formation is flexible coupling.Macromolecule expands
Scattered weldering can guarantee the stability of connection row's size and material.
Embodiment 3:
On the basis of embodiment 2, the material of the connection row can be copper or aluminum, and the bead material is led for height
Electric rate material, specially silver, copper, aluminium etc. are one such.For example, the material of bead is aluminium when the material of connection row is copper
Or silver；When the material of connection row is aluminium, the material of bead is silver.
Embodiment 4:
On the basis of embodiment 3, the bead is sphere.When bead is sphere, the arc groove is also spherical shape, is melted
Pearl and the arc groove, which are in close contact, to be connected.When battery core current overload, bead melting leads to profile variation, more than a timing
Between, connection row, at state is disconnected, reaches power-off protection effect by arc groove.
Embodiment 5:
As shown in Fig. 2, the whole connection row is in " 7 " type, and the link slot is located at " 7 " type on the basis of embodiment 4
Horizontal part, it is respectively 201 and 203 that connection row, which is broken into 2 parts, in horizontal part, and first part 201 connects battery core top
Lid, second part vertical portion 203 connect battery core body.It is described connection row with a thickness of 1.5~2.5mm.
Embodiment 6:
The quantity and diameter of the bead can be set according to battery core secure threshold.When electric current is 200A, connection row
Material be aluminium, the material of bead is silver, and 8 ∮ 3mm beads can be set；When electric current is 300A, the material of the row of connection is
Copper, material are silver, and 8 ∮ 4mm beads or 12 ∮ 3mm beads can be set.
When setting battery core specification as 3.2V/100Ah, this is that connection row's material is copper, and bead material is silver, bead setting 5
A, bead diameter 3mm is obtained through experiment: its overload capacity lasting, 3C/60S, 4C/20S, 5C/4S for 1C.
Embodiment 7:
The present invention provides a kind of battery core, including mentioned-above battery core fusing row, battery core top cover and battery core body, the electricity
It is the battery core fusing row between core top cover and battery core body.This battery core is fused when current overload or short circuit by battery core
Power-off protection is carried out after bead melting on row, so that the safety of battery core increases.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (10)
1. a kind of battery core fusing row, it is characterised in that: arranged including connection, the connection row has link slot, the link slot handle
Connection row is broken into 2 parts, referred to as first part and second part, and first part is for connecting battery core top cover, and second
The one end divided includes one group of arc groove for connecting battery core body, the link slot, connects one group of bead, institute for being in close contact
It states bead shape to match with the arc groove, the bead and connection row are conductor, and the fusing point of the bead is low
In the fusing point of the connection row.
2. battery core fusing row according to claim 1, it is characterised in that: the mode of first part's connection battery core top cover
It is flexible coupling for lamination macromolecule diffusion welding (DW) formation.
3. battery core fusing row according to claim 1, it is characterised in that: the side of one end connection battery core body of second part
Formula is that lamination macromolecule diffusion welding (DW) formation is flexible coupling.
4. battery core fusing row according to claim 2 or 3, it is characterised in that: the material of the connection row is copper or aluminium
Matter.
5. battery core fusing row according to claim 4, it is characterised in that: the bead material is high conductivity material, tool
Body is that silver, copper, aluminium etc. are one such.
6. battery core fusing row according to claim 5, it is characterised in that: the bead is sphere.
7. battery core fusing row according to claim 1, it is characterised in that: the whole connection row is in " 7 " type, the connection
Connection row is broken into 2 parts in the horizontal part of " 7 " type, in horizontal part by slot position, and the vertical portion end of " 7 " type connects electricity
Core ontology.
8. battery core according to claim 7 fusing row, it is characterised in that: the connection row with a thickness of 1.5~2.5mm.
9. battery core fusing row according to claim 8, it is characterised in that: the quantity and diameter and battery core of the bead
Secure threshold is related.
10. a kind of battery core, it is characterised in that: fuse and arrange including battery core described in claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910487308.6A CN110148702A (en) | 2019-06-05 | 2019-06-05 | A kind of battery core fusing row |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910487308.6A CN110148702A (en) | 2019-06-05 | 2019-06-05 | A kind of battery core fusing row |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110148702A true CN110148702A (en) | 2019-08-20 |
Family
ID=67590537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910487308.6A Pending CN110148702A (en) | 2019-06-05 | 2019-06-05 | A kind of battery core fusing row |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110148702A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59195670U (en) * | 1983-06-15 | 1984-12-26 | 富士電気化学株式会社 | non-aqueous electrolyte battery |
| JP2011510433A (en) * | 2007-12-25 | 2011-03-31 | ビーワイディー カンパニー リミテッド | Battery system for a vehicle having a separable connection |
| CN103534839A (en) * | 2011-06-17 | 2014-01-22 | 株式会社Lg化学 | Part for secondary battery, method for manufacturing same, and secondary battery and multi-battery system manufactured using the part |
| CN104051702A (en) * | 2013-03-13 | 2014-09-17 | 罗伯特·博世有限公司 | Safety element for battery cell |
| CN208608292U (en) * | 2018-08-21 | 2019-03-15 | 广东亿鑫丰智能装备股份有限公司 | Battery connector with fuse protection function |
-
2019
- 2019-06-05 CN CN201910487308.6A patent/CN110148702A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59195670U (en) * | 1983-06-15 | 1984-12-26 | 富士電気化学株式会社 | non-aqueous electrolyte battery |
| JP2011510433A (en) * | 2007-12-25 | 2011-03-31 | ビーワイディー カンパニー リミテッド | Battery system for a vehicle having a separable connection |
| CN103534839A (en) * | 2011-06-17 | 2014-01-22 | 株式会社Lg化学 | Part for secondary battery, method for manufacturing same, and secondary battery and multi-battery system manufactured using the part |
| CN104051702A (en) * | 2013-03-13 | 2014-09-17 | 罗伯特·博世有限公司 | Safety element for battery cell |
| CN208608292U (en) * | 2018-08-21 | 2019-03-15 | 广东亿鑫丰智能装备股份有限公司 | Battery connector with fuse protection function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6270123B2 (en) | Battery module and bus bar applied to battery module | |
| EP2672549B1 (en) | Secondary battery and multi-battery system having a connecting component | |
| CN101400209B (en) | Protective circuit board and battery pack using the same | |
| KR101370264B1 (en) | Soldering connector, and Battery module and Battery pack comprising the same | |
| KR101401477B1 (en) | Connecting element for secondary battery, Battery module and Battery pack comprising the same | |
| CN101552330A (en) | Battery pack | |
| CN101420051B (en) | Secondary battery | |
| CN102272981A (en) | Battery module and battery pack using same | |
| CN102035186A (en) | Current interrupting device and secondary battery including current interrupting device | |
| KR20160026469A (en) | battery module having bus bar integrated with low-voltage sensing module | |
| JP2016521449A (en) | Connexing component for secondary battery and secondary battery including the same | |
| CN108428820A (en) | Power battery top cover structure and power battery | |
| CN106531945A (en) | Parallel battery module | |
| CN207938711U (en) | The conductive sheet and battery cap of battery | |
| JP2014032768A (en) | Protective element and battery pack | |
| CN106030860A (en) | Current cutoff device and power storage device provided with same | |
| CN106068572A (en) | Battery pack | |
| KR20150045737A (en) | Battery Module | |
| KR20180018050A (en) | Secondary Battery and Battery Pack | |
| JP4769780B2 (en) | Secondary battery | |
| CN109616608A (en) | Battery, electronic equipment and battery pack | |
| CN109891546A (en) | Protection element | |
| CN110148702A (en) | A kind of battery core fusing row | |
| CN107394101A (en) | Battery protecting apparatus, cover plate assembly and battery | |
| CN209374384U (en) | A kind of fused mass of fuse structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190820 |
|
| RJ01 | Rejection of invention patent application after publication |