CN203339091U - Fuse contact knife - Google Patents
Fuse contact knife Download PDFInfo
- Publication number
- CN203339091U CN203339091U CN2013203582202U CN201320358220U CN203339091U CN 203339091 U CN203339091 U CN 203339091U CN 2013203582202 U CN2013203582202 U CN 2013203582202U CN 201320358220 U CN201320358220 U CN 201320358220U CN 203339091 U CN203339091 U CN 203339091U
- Authority
- CN
- China
- Prior art keywords
- inner core
- contact knife
- copper
- fuse contact
- utility
- 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.)
- Expired - Fee Related
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000010949 copper Substances 0.000 claims abstract description 21
- 229910052802 copper Inorganic materials 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 15
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 7
- 229910001369 Brass Inorganic materials 0.000 claims abstract description 7
- 239000010951 brass Substances 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052782 aluminium Inorganic materials 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 238000003466 welding Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
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Abstract
The utility model discloses a fuse contact knife, which comprises an outer layer and an inner core, wherein the inner core is coated by the outer layer, the outer layer is connected with the inner core, wherein the material of the outer layer is copper, and the material of the inner core is aluminum alloy. Through the method, the fuse contact knife provided by the utility model adopts the copper-clad aluminum material with the characteristics of low density, the total weight can be effectively reduced, the total weight is 45% of the weight of fine copper with the same volume, the conductive performance is kept unchanged when compared with traditional materials such as fine copper and brass, the welding procedure during production process is kept unchanged, and the production cost can be reduced by around 40%.
Description
Technical field
The utility model relates to a kind of fuse contact knife, particularly relates to a kind of fuse contact knife made from copper clad aluminum material.
Background technology
Fuse is a kind of overcurrent protective device, mainly melt and fusion tube and the outer part such as filled, consists of.During use, fuse is series in protected circuit, after the electric current of protected circuit surpasses setting, through certain hour, the heat produced by melt self fuses melt, and circuit is disconnected, thereby plays the effect of protection.Fuse has the inverse time lag characteristic, and when overload current hour, fusing time is long, and when overload current is large, fusing time is short.Therefore recover normal to electric current in certain overload current scope, fuse can not fuse, and can continue to use.Fuse is widely used in high and low voltage electric distribution system, control system and power consumption equipment, as the protector of short circuit and overcurrent, is to apply one of the most general protection device.Now the device contact knife in fuse is obtained by pure copper, but the density of fine copper is large, Heavy Weight and price, has therefore improved greatly the manufacturing cost of fuse.
The utility model content
The technical problem that the utility model mainly solves is to provide a kind of cheap and fuse contact knife that performance is constant.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of fuse contact knife is provided, comprises skin and inner core, the described inner core of described outer parcel, described skin and described inner core link together, and described outer field material is copper, and the material of described inner core is aluminium alloy.
In preferred embodiment of the utility model, described outer field thickness is 0.1-0.2mm.
In preferred embodiment of the utility model, described copper product is H62 brass or red copper, and described aluminium alloy is almag.
In preferred embodiment of the utility model, described skin and described inner core link together by drawing.
In preferred embodiment of the utility model, described skin and described inner core link together by extruding.
The beneficial effects of the utility model are: fuse contact knife of the present utility model, copper clad aluminum material used has low-density characteristics, can make total weight effectively reduce, 45% of equal volume fine copper weight, with traditional material as fine copper, that brass is compared electric conductivity is constant, welding procedure in production process is also constant, can make production cost reduce approximately 40%.
The accompanying drawing explanation
Fig. 1 is the structural representation of the utility model fuse contact knife one preferred embodiment;
In accompanying drawing, the mark of each parts is as follows: 1, fuse contact knife, 2, skin, 3, inner core.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, thereby so that advantage of the present utility model and feature can be easier to be it will be appreciated by those skilled in the art that, protection range of the present utility model is made to more explicit defining.
Refer to Fig. 1, the utility model provides a kind of fuse contact knife 1, comprises skin 2 and inner core 3, the described inner core 3 of described outer 2 parcel, and described outer 2 thickness is 0.15mm.Described outer 2 material is copper, can be brass or red copper, and brass can be H62 brass, and the material of described inner core 3 is aluminium alloy, can be almag.Described outer 2 link together by drawing or extruding with described inner core 3, make fine and close connection the between copper and aluminium alloy, there is no gap.
The fuse contact knife that the utility model discloses, the copper clad aluminum material that described contact knife adopts has good conductivity, ampacity is 85% of fine copper, there is the mechanical properties such as good tensile strength, ductility, can reach between atom firmly metallurgical binding, the copper layer is evenly distributed, and has low-density characteristics, and density is 3.96g/cm
2, can reach the conduction requirement of traditional material, become instinct to reduce approximately 40%.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present utility model.
Claims (5)
1. a fuse contact knife, is characterized in that, comprises skin and inner core, the described inner core of described outer parcel, and described skin and described inner core link together, and described outer field material is copper, and the material of described inner core is aluminium alloy.
2. fuse contact knife according to claim 1, is characterized in that, described outer field thickness is 0.1-0.2mm.
3. fuse contact knife according to claim 1, is characterized in that, described copper product is H62 brass or red copper, and described aluminium alloy is almag.
4. fuse contact knife according to claim 1, is characterized in that, described skin and described inner core link together by drawing.
5. fuse contact knife according to claim 1, is characterized in that, described skin and described inner core link together by extruding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203582202U CN203339091U (en) | 2013-06-21 | 2013-06-21 | Fuse contact knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203582202U CN203339091U (en) | 2013-06-21 | 2013-06-21 | Fuse contact knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203339091U true CN203339091U (en) | 2013-12-11 |
Family
ID=49707754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203582202U Expired - Fee Related CN203339091U (en) | 2013-06-21 | 2013-06-21 | Fuse contact knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203339091U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111900061A (en) * | 2019-05-06 | 2020-11-06 | 伊顿智能动力有限公司 | Aluminum alloy miniature tubular fuse |
| US12106921B2 (en) | 2019-05-06 | 2024-10-01 | Eaton Intelligent Power Limited | Aluminum alloy miniature cartridge fuses |
-
2013
- 2013-06-21 CN CN2013203582202U patent/CN203339091U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111900061A (en) * | 2019-05-06 | 2020-11-06 | 伊顿智能动力有限公司 | Aluminum alloy miniature tubular fuse |
| US12106921B2 (en) | 2019-05-06 | 2024-10-01 | Eaton Intelligent Power Limited | Aluminum alloy miniature cartridge fuses |
| CN111900061B (en) * | 2019-05-06 | 2025-03-25 | 伊顿智能动力有限公司 | Aluminum alloy miniature tube fuse |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20210621 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |