CN209859905U - Environment-friendly fuse with good weldability and lightning stroke resistance - Google Patents
Environment-friendly fuse with good weldability and lightning stroke resistance Download PDFInfo
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- CN209859905U CN209859905U CN201920111493.4U CN201920111493U CN209859905U CN 209859905 U CN209859905 U CN 209859905U CN 201920111493 U CN201920111493 U CN 201920111493U CN 209859905 U CN209859905 U CN 209859905U
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- good weldability
- lightning stroke
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Abstract
The utility model provides an environmental protection fusible link with good weldability and anti lightning stroke performance, the fusible link include the internal fuse and compound in the electrically conductive metal level on internal fuse surface. The utility model discloses simple structure, the surface recombination conductive metal layer of interior fuse, fuse has anti thunderbolt performance and good weldability in can making through this conductive metal layer. The fuse with stable lightning stroke resistance can be produced without the treatment of complex processes such as tin dotting or winding, the production time is shortened, the yield of the produced product is high, the fuse is produced by adopting an environment-friendly material and an environment-friendly composite processing process, the harm to a human body and the pollution to the environment can be effectively reduced, and the fuse structure is more favorable for realizing the automatic production of the fuse.
Description
Technical Field
The utility model relates to a circuit protection components and parts technical field, especially an environmental protection fuse with good weldability and anti thunderbolt performance.
Background
The fuse is an electric safety element which ensures the safe operation of a circuit, is positioned at the position most sensitive to current faults in the circuit, and achieves the safety of protecting the whole circuit by self-damage.
However, the fuse of the conventional structure has the following drawbacks; 1. most of the fuse wires are made of lead or tin-lead alloy materials, lead is a substance harmful to the environment, is harmful to human health in the production and use processes, and has great pollution to the environment. 2. As shown in fig. 1 and 2, the fuse of the conventional structure can achieve the lightning resistance only by melting the tin point of the fuse or winding the fuse, and the fuse produced by winding the fuse is complex in processing and production, low in efficiency and difficult to realize automatic production. 3. The fuse wire of this structure weldability is poor, and in the welding process of some soldering tin, soldering tin can oxidize gradually and then influence the quality of fuse wire. Therefore, the existing fusible link cannot well meet the requirements of users, and needs to be optimized and improved to further improve the lightning stroke resistance, which is also a problem that needs to be solved urgently by the industry.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an environmental protection fuse that has good weldability and anti thunderbolt performance that can effectively overcome above-mentioned problem emergence is provided, and it not only has good weldability and anti thunderbolt performance, adopts environmental protection material and combined machining technology production moreover, can effectively reduce harm to the human body and the pollution to the environment.
In order to solve the technical problem, the utility model provides an environmental protection fuse with good weldability and anti thunderbolt performance, the fuse include the internal fuse and compound in the conductive metal layer on internal fuse surface.
In the above structure, the internal fuse is made of copper, silver, a copper alloy or a silver alloy material.
In the above structure, the composite conductive metal layer is formed by combining indium, tin, indium alloy, tin alloy or indium-tin alloy materials.
The utility model has the advantages of compared with the prior art: the utility model discloses simple structure, the surface recombination conductive metal layer of interior fuse, fuse has anti thunderbolt performance and good weldability in can making through this conductive metal layer. The fuse with stable lightning stroke resistance can be produced without the treatment of complex processes such as tin dotting or winding, the production time is shortened, the yield of the produced product is high, the fuse is produced by adopting an environment-friendly material and an environment-friendly composite processing process, the harm to a human body and the pollution to the environment can be effectively reduced, and the fuse structure is more favorable for realizing the automatic production of the fuse.
[ description of the drawings ]
FIG. 1 is a conventional slow-break fuse of the type passing through a point of tin;
FIG. 2 is a coiled fuse;
FIG. 3 is a schematic diagram of an embodiment of the present invention;
fig. 4 is a schematic diagram of an embodiment of a cross-sectional structure of the present invention.
In the figure: fuse body 1, internal fuse 2, conductive metal layer 3.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 3 and 4, the present invention discloses an environmentally friendly fuse with good weldability and lightning strike resistance, which mainly comprises a fuse body 1, wherein the fuse body 1 is composed of an internal fuse 2 and a conductive metal layer 3 compounded on the surface of the internal fuse 2. The internal fuse 2 is mainly made of copper, silver, copper alloy or silver alloy, and when the passing current is too large, the internal fuse 2 can be fused due to high temperature, so that the protection circuit forms an open circuit to interrupt the current, and an effective protection effect is achieved. Compared with the fuse wire with the traditional structure, the fuse wire has the main difference that the surface of the internal fuse wire 2 is provided with the conductive metal layer 3, the conductive metal layer 3 is formed by combining indium, tin, indium alloy, tin alloy or indium-tin alloy materials, and the internal fuse wire 2 can have lightning stroke resistance and good weldability through the conductive metal layer 3. And the manufacturing process is simple, and the fuse capable of achieving the lightning stroke resistance can be produced without the treatment of complex processes such as tin dotting or winding. Moreover, the conductive metal layer 3 and the internal fuse 2 form a compact whole through an alloy effect, so that the consistency of short circuit or abnormal fault current disconnection of a protection circuit can be ensured, and the lightning resistance and the stability of the protection circuit are further improved.
Preferably, the cross-sectional shape of the internal fuse 2 is a semicircular shape, a circular shape, an arc shape, a sheet shape, a flat shape, a polygonal shape, or other different structures.
The utility model discloses simple structure, the surface recombination conductive metal layer of interior fuse, fuse has anti thunderbolt performance and good weldability in can making through this conductive metal layer. The fuse with stable lightning stroke resistance can be produced without the treatment of complex processes such as tin dotting or winding, the production time is shortened, the yield of the produced product is high, the fuse is produced by adopting an environment-friendly material and an environment-friendly composite processing process, the harm to a human body and the pollution to the environment can be effectively reduced, and the fuse structure is more favorable for realizing the automatic production of the fuse.
The above description is only a preferred embodiment of the present patent, and not intended to limit the scope of the present patent, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the specification and the drawings, and which are directly or indirectly applied to other related technical fields, belong to the scope of the present patent protection.
Claims (3)
1. The utility model provides an environmental protection fusible link with good weldability and anti thunderbolt performance, includes the fuse body, characterized by: the fuse body comprises an internal fuse and a conductive metal layer compounded on the surface of the internal fuse.
2. The environmentally friendly fusible link having good weldability and lightning stroke resistance as claimed in claim 1, wherein: the internal fuse is made of copper, silver, copper alloy or silver alloy material.
3. The environmentally friendly fusible link having good weldability and lightning stroke resistance as claimed in claim 1, wherein: the conductive metal layer is formed by combining indium, tin, indium alloy, tin alloy or indium-tin alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920111493.4U CN209859905U (en) | 2019-01-23 | 2019-01-23 | Environment-friendly fuse with good weldability and lightning stroke resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920111493.4U CN209859905U (en) | 2019-01-23 | 2019-01-23 | Environment-friendly fuse with good weldability and lightning stroke resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209859905U true CN209859905U (en) | 2019-12-27 |
Family
ID=68930713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920111493.4U Active CN209859905U (en) | 2019-01-23 | 2019-01-23 | Environment-friendly fuse with good weldability and lightning stroke resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209859905U (en) |
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2019
- 2019-01-23 CN CN201920111493.4U patent/CN209859905U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200601 Address after: 516000 Huidong industrial transfer park, Huizhou City, Guangdong Province Patentee after: Huizhou Dongli Technology Co., Ltd Address before: 523000 Huidong industrial transfer park, Daling Town, Huidong County, Huizhou City, Guangdong Province Patentee before: Huizhou Xucheng Technology Co.,Ltd. |