CN202772092U - Fuses and clad sheet - Google Patents
Fuses and clad sheet Download PDFInfo
- Publication number
- CN202772092U CN202772092U CN2012201499969U CN201220149996U CN202772092U CN 202772092 U CN202772092 U CN 202772092U CN 2012201499969 U CN2012201499969 U CN 2012201499969U CN 201220149996 U CN201220149996 U CN 201220149996U CN 202772092 U CN202772092 U CN 202772092U
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- fuse
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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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- Fuses (AREA)
Abstract
The utility model provides fuses and a clad sheet. The fuses are provided with fuse holes. The clad sheet includes a welding sheet and a conductive heat-dissipating sheet arranged together in thermal compounding. The conductive heat dissipating sheet is provided with a through hole. A welding sheet is provided with a through hole corresponding to the through hole in the conductive heat dissipating sheet. The fuses are extended from two sides of the through hole in the welding sheet respectively. the fuses are extended into the through hole. The fuses are provided with the fuse holes making the fuses easy to fuse. According to the utility model, the fuses are easy to fuse because of the existence of the fuse holes. When current is too large and exceeds a metering range, the fuses in the clad sheet provided by the utility model can fuse and a return circuit is disconnected. Therefore, the use safety of a battery is guaranteed, and damages of the battery and other devices are reduced at the same time.
Description
Technical field
The utility model belongs to the battery technology field, relates to a kind of battery battery core brace, is specifically related to a kind of fuse and composite sheet.
Background technology
One of key technology of Development of Electric Vehicles is electrokinetic cell.At present, the electrokinetic cell of electric automobile generally all is to adopt a large amount of to form powerful lithium battery group by the mode of tens of even up to a hundred joint single lithium battery by series and parallel, to satisfy the power demand of electric automobile.For the series and parallel between the single lithium battery battery core, normally adopt full nickel sheet or full copper sheet to connect.Adopt full nickel sheet to connect, although solderability is good, cost is high; Adopt full copper sheet to connect, although conduct electricity very well, cost is low, often has the solid problem of not prison welding between itself and the battery core pole.So the applied in any combination of existing electrokinetic cell generally all adopts the copper nickel compound piece.
As shown in Figure 1, existing a kind of copper nickel composite joint sheet for connecting between the lithium battery electric core is made of copper-base sheet c and nickel pole piece a, offers at least an exhausting hole b on the described nickel pole piece; The copper-base sheet offers the through hole corresponding with the through hole b on the nickel pole piece, and each through hole one side on the nickel pole piece respectively disjunctor one fritter extends in the interior lug d of through hole b; The copper-base sheet is relative with the through hole of nickel pole piece, is welded as a whole.Each single lithium battery battery core pole that this copper nickel composite joint sheet both had been easy to realize series and parallel is by being connected between this lug and the conductive radiating fins, reduce the consumption of bonding pad, reduce production costs, improved simultaneously the conductance of brace, reduced the internal resistance of brace, also so that between the single lithium battery series and parallel assembling have what regularity of fastness.
But electrokinetic cell when in use electric current is all larger, so the situation of overcurrent can occur.If in overcurrent, can not effectively take measures to have security risk.Present solution is that externally circuit adds fuse or inside battery design insurance device.These two kinds of methods have weak point, and externally circuit adds fuse and can not solve the flow problem of crossing between single Battery pack, and the process structure that adds fuse at internal circuit is complicated, are unfavorable for battery maintenance and reuse.
The utility model content
The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of fuse and composite sheet, and this fuse has the overcurrent fuse function, and this composite sheet has the overcurrent defencive function.
Reach for achieving the above object other relevant purposes, the utility model provides a kind of fuse and composite sheet.
A kind of fuse, described fuse are provided with the fusing hole.
As a kind of preferred version of the present utility model, the flat shape in described fusing hole is square, circular, rhombus, semicircle, ellipse, polygon or irregular shape.
As another kind of preferred version of the present utility model, described fusing hole is for connecting the through hole of fuse.
As another preferred version of the present utility model, described fusing hole is the pit hole of non-through fuse.
As another preferred version of the present utility model, the structure of described fuse is that width is 3 to 5 millimeters entity band shape.
As another preferred version of the present utility model, the structure of described fuse is that 3 to 5 millimeters grid is banded.
A kind of composite sheet, described composite sheet comprise bonding pad and the conductive radiating fins that heat is combined with each other; Offer through hole on the described conductive radiating fins; Offer the through hole corresponding with the through hole on the conductive radiating fins on the described bonding pad; A fuse is extended respectively in the both sides of the through hole on the described bonding pad, and described fuse extends in the described through hole; Described fuse is provided with the fusing hole that makes fuse be easy to fuse.
As a kind of preferred version of the present utility model, the flat shape in described fusing hole is square, circular, rhombus, semicircle, ellipse, polygon or irregular shape.
As another kind of preferred version of the present utility model, described fusing hole is the through hole of perforation fuse or the pit hole of non-through fuse.
As another preferred version of the present utility model, the structure of described fuse is that width is 3 to 5 millimeters entity band shape or grid band shape.
As another preferred version of the present utility model, described bonding pad is nickel sheet, lead flake, tin sheet or terne metal sheet; Described conductive radiating fins is gold plaque, silver strip, copper sheet, iron plate or aluminium flake.
As mentioned above, fuse described in the utility model and composite sheet have following beneficial effect:
Fuse described in the utility model is easy to fusing because of the existence in fusing hole.
When electric current is excessive when surpassing the design range, the fuse in the composite sheet described in the utility model can fuse, and cut-off loop guarantees that battery uses safety, has also reduced the damage of battery and other devices simultaneously.
Description of drawings
Fig. 1 is a kind of structural representation of the copper nickel composite joint sheet for connecting between the lithium battery electric core.
Fig. 2 a is a kind of structural representation of embodiment one described fuse.
Fig. 2 b is the another kind of structural representation of embodiment one described fuse.
Fig. 3 is the structural representation of embodiment two described composite sheet.
Fig. 4 is the structural representation of the conductive radiating fins in the embodiment two described composite sheet.
Fig. 5 is the structural representation of the bonding pad in the embodiment two described composite sheet.
The element numbers explanation
Embodiment
Below by specific instantiation execution mode of the present utility model is described, those skilled in the art can understand other advantages of the present utility model and effect easily by the disclosed content of this specification.The utility model can also be implemented or be used by other different embodiment, and the every details in this specification also can be based on different viewpoints and application, carries out various modifications or change under the spirit of the present utility model not deviating from.
See also accompanying drawing.Need to prove, the diagram that provides in the present embodiment only illustrates basic conception of the present utility model in a schematic way, satisfy only show in graphic with the utility model in relevant assembly but not component count, shape and size drafting when implementing according to reality, kenel, quantity and the ratio of each assembly can be a kind of random change during its actual enforcement, and its assembly layout kenel also may be more complicated.
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Embodiment one
Present embodiment provides a kind of fuse, and shown in Fig. 2 a and Fig. 2 b, described fuse 1 ' is provided with fusing hole 11 '.
The flat shape in described fusing hole 11 ' can be the arbitrary shapes such as square, circular, rhombus, semicircle, ellipse, polygon or irregular shape.The protection range of fuse described in the utility model is not limited to the shape in several fusing hole that present embodiment enumerates, and every hole that makes fuse be easy to fuse of can realizing all is included in the protection range of the present utility model.
Described fusing hole is the through hole of perforation fuse or the pit hole of non-through fuse.The protection range of fuse described in the utility model also is not limited to the fusing hole that present embodiment enumerates and whether runs through fuse, and same, every fusing hole that makes fuse be easy to fuse of can realizing all is included in the protection range of the present utility model.
The structure of described fuse is that width is 3 to 5 millimeters entity banded (shown in Fig. 2 a) or grid banded (shown in Fig. 2 b).The protection range of fuse described in the utility model is not limited to entity that present embodiment enumerates or latticed, that is to say that every shape that makes fuse be easy to fuse that can realize all is included in the protection range of the present utility model.
In addition, by enlightenment of the present utility model, the shape of fuse can be band shape, also can be column, and its concrete shape can design according to actual needs.No matter fuse is shape why, as long as can possess the defencive function that is easy to fuse of fuse, it all belongs to protection range of the present utility model.
Fuse described in the utility model is easy to fusing, is highly suitable for playing overcurrent protection in the connection of battery pack.
Embodiment two
Present embodiment provides a kind of composite sheet, and shown in Fig. 3 to 5, described composite sheet comprises bonding pad 1 and the conductive radiating fins 2 that heat is combined with each other; Offer through hole 21 on the described conductive radiating fins 2; Offer the through hole 11 corresponding with the through hole 21 on the conductive radiating fins 2 on the described bonding pad 1; A fuse 12 is extended respectively in the both sides of the through hole 11 on the described bonding pad 1, and described fuse 12 extends in the through hole 11; Described fuse 12 is provided with the fusing hole 121 that makes fuse be easy to fuse.Described fuse 12 and 3 welding of battery cover top, pad 4 are positioned at fuse 12 apart from through hole 11 edges recently but a summit that does not join.
Bonding pad in the described composite sheet is nickel sheet, lead flake, tin sheet or terne metal sheet; Described conductive radiating fins is gold plaque, silver strip, copper sheet, iron plate or aluminium flake.The material that the protection range of composite sheet described in the utility model is not limited to described bonding pad is not limited to nickel, lead, tin or terne metal; The material of described conductive radiating fins also is not limited to the metal materials such as gold, silver, copper, iron, aluminium, and it can be any material that can realize the linkage function of this composite sheet.
The flat shape in described fusing hole 121 can be the arbitrary shapes such as square, circular, rhombus, semicircle, ellipse, polygon or irregular shape.Described fusing hole can be the through hole of perforation fuse or the pit hole of non-through fuse.The structure of described fuse 12 is that width is 3 to 5 millimeters entity band shape or grid band shape.The protection range of composite sheet described in the utility model is not limited to described fusing pore structure and shape, also is not limited to the shape of fuse, and it can cross arbitrarily the shape that realizes this composite sheet function for band shape, column etc.
Bonding pad exposed portions serve in the composite sheet is carried out cutter die stamping or shearing, can form the shape of being convenient to process most, stay as the fuse that plays the conductor effect that connects battery and composite sheet.Wherein the width of fuse can design as requested, generally between 3-5mm.By the requirement of power brick different performance, little current energy type operating mode can be designed as the narrow fuse of width, or reduces fuse quantity; Large current power type operating mode then can design the wide fuse of width, or increases fuse quantity.Can also control by offer the fusing hole at fuse the size of current of the safety effect that fuse rises.If it is large to play the electric current of safety effect, the aperture in the hole that then fuses is little; Otherwise if it is little to play the electric current of safety effect, the aperture in the hole that then fuses is large.
Copper sheet in the composite sheet described in the utility model is in order to conduct electricity and to dispel the heat, and the nickel sheet is to be convenient to welding.Along with the compound technology with processing of copper nickel heat is relative ripe, the composite sheet ratio is easier to realize.Through hole on the copper sheet can be circle, and manhole can corresponding circle cylindricality electrokinetic cell, if the battery of other shapes can change the shape of through hole.Can determine according to the size of the operating current that designs with distribution and the width of welding battery fuse partly.The effect in the fusing hole above the fuse is to regulate size of current.Fuse is equivalent to fuse, and itself and composite sheet are made of one, and have simplified operation, and cost in batches also can reduce.
Described composite sheet can be arranged by the battery parallel connection of design.At through hole corresponding to conductive radiating fins preparation position, the aperture of through hole can consider that the current-carrying size of lotus and cost control are greater than the battery diameter.Conductive radiating fins and bonding pad heat are compound in the composite sheet, have formed good ohmic contact.
Then and welding battery the utility model mainly is that the nickel sheet in composite sheet partly processes special shape.When electric current is excessive when surpassing the design range, the fuse part can fuse, and cut-off loop guarantees that battery uses safety.Also can reduce the damage of battery and other devices.Composite sheet described in the utility model is welded on the function that has the overcurrent protection on the battery two ends.
So the utility model has effectively overcome various shortcoming of the prior art and the tool high industrial utilization.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not is used for restriction the utility model.Any person skilled in the art scholar all can be under spirit of the present utility model and category, and above-described embodiment is modified or changed.Therefore, have in the technical field under such as and know that usually the knowledgeable modifies or changes not breaking away from all equivalences of finishing under spirit that the utility model discloses and the technological thought, must be contained by claim of the present utility model.
Claims (11)
1. fuse is characterized in that: described fuse is provided with the fusing hole.
2. fuse according to claim 1 is characterized in that: the flat shape in described fusing hole is square, circular, rhombus, semicircle, ellipse or polygon.
3. fuse according to claim 2 is characterized in that: described fusing hole is for connecting the through hole of fuse.
4. fuse according to claim 2, it is characterized in that: described fusing hole is the pit hole of non-through fuse.
5. fuse according to claim 1 is characterized in that: the structure of described fuse is that width is that 3 to 5 millimeters entity is banded.
6. fuse according to claim 1 is characterized in that: the structure of described fuse is that 3 to 5 millimeters grid is banded.
7. composite sheet, it is characterized in that: described composite sheet comprises bonding pad and the conductive radiating fins that heat is combined with each other; Offer through hole on the described conductive radiating fins; Offer the through hole corresponding with the through hole on the conductive radiating fins on the described bonding pad; A fuse is extended respectively in the both sides of the through hole on the described bonding pad, and described fuse extends in the described through hole; Described fuse is provided with the fusing hole that makes fuse be easy to fuse.
8. composite sheet according to claim 7 is characterized in that: the flat shape in described fusing hole is square, circular, rhombus, semicircle, ellipse or polygon.
9. composite sheet according to claim 8 is characterized in that: described fusing hole is the through hole that connects fuse or the pit hole of non-through fuse.
10. composite sheet according to claim 7 is characterized in that: the structure of described fuse is that width is that 3 to 5 millimeters entity band shape or grid is banded.
11. composite sheet according to claim 7 is characterized in that: described bonding pad is nickel sheet, lead flake, tin sheet or terne metal sheet; Described conductive radiating fins is gold plaque, silver strip, copper sheet, iron plate or aluminium flake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201499969U CN202772092U (en) | 2012-04-10 | 2012-04-10 | Fuses and clad sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201499969U CN202772092U (en) | 2012-04-10 | 2012-04-10 | Fuses and clad sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202772092U true CN202772092U (en) | 2013-03-06 |
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ID=47778645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201499969U Expired - Lifetime CN202772092U (en) | 2012-04-10 | 2012-04-10 | Fuses and clad sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202772092U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102629537A (en) * | 2012-04-10 | 2012-08-08 | 协鑫动力新材料（盐城）有限公司 | Fuse and composite sheet |
-
2012
- 2012-04-10 CN CN2012201499969U patent/CN202772092U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102629537A (en) * | 2012-04-10 | 2012-08-08 | 协鑫动力新材料（盐城）有限公司 | Fuse and composite sheet |
| CN102629537B (en) * | 2012-04-10 | 2016-02-17 | 协鑫动力新材料（盐城）有限公司 | A kind of fuse and composite sheet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161227 Address after: 215000 Suzhou Industrial Park, Jiangsu new road, No. two, southeast corner of the layer of 28 Patentee after: Suzhou GCL Energy Technology Development Co Ltd Address before: 224007 Yancheng City Economic Development Zone Yancheng economic and Technological Development Zone, Songjiang Road, room 18, No. 823, room Patentee before: New materials (Yancheng) Co., Ltd. GCL power |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130306 |