Anti-oxidation fuse wire

Abstract

The utility model relates to the fuse wire field, and discloses an anti-oxidation type fuse wire comprising a fuse wire body, an oxidation protection structure is arranged in the fuse wire body in a penetrating manner, the oxidation protection structure comprises an insulation layer, an anti-oxidation layer, a heat insulation layer, a flame retardation layer and a lead-tin alloy wire, the insulation layer is arranged on the outer side of the fuse wire body, and the anti-oxidation layer is arranged on the outer side of the anti-oxidation layer. According to the utility model, the oxidation protection structure is arranged, the anti-oxidation layer is arranged in the fuse wire body, the metal titanium is adopted as the composition material of the anti-oxidation layer, and the metal titanium has oxidation resistance, so that the oxidation effect in a high-temperature environment can be effectively resisted; the fuse wire can still keep good oxidation resistance in a high-temperature and high-oxidability environment, the service life of the fuse wire is prolonged, in addition, an insulation layer, a heat insulation layer and a flame-retardant layer are further arranged in the oxidation protection structure, and the fuse wire has good heat stability and flame-retardant performance while the oxidation resistance is guaranteed.

Description

Technical Field

[0001] The utility model relates to the field of fuses, in particular to an anti-oxidation type fuse. Background Art

[0002] A fuse is a component used to protect circuits and equipment. Its main function is to cut off the circuit by melting itself when the current is too large, so as to prevent accidents such as equipment damage or fire caused by excessive current. Fuses are usually made of metal materials such as lead-tin alloy, copper, and aluminum with high resistivity and low melting point. Under normal circumstances, a fuse allows current to pass through. When the current in the circuit exceeds the rated current of the fuse, the fuse will melt due to overheating, cutting off the circuit.

[0003] In the application number CN201420226039.0, “an electric fuse structure” is disclosed. The application solves the problem in the prior art that low current density under low working voltage conditions affects the programming efficiency of the electric fuse. However, the fuse in the application does not have a relevant anti-oxidation structure. In practice, when the fuse is used for a long time, especially in a high temperature and high voltage environment, it is easy to produce oxidation. The surface of the fuse reacts chemically with the oxygen in the air to form an oxide layer. As the thickness of the oxide layer increases, the fusing ability of the fuse gradually decreases. When a circuit fails, the fuse may not be able to cut off the current in time, resulting in equipment damage or fire and other accidents. Utility Model Content

[0004] In view of the deficiencies of the prior art, the utility model provides an anti-oxidation type fuse, which solves the problem that the current fuse may be oxidized after long-term use.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: an anti-oxidation type fuse, comprising a fuse body, an oxidation protection structure is arranged throughout the interior of the fuse body, the oxidation protection structure comprises an insulating layer, an anti-oxidation layer, a heat insulation layer, a flame retardant layer and a lead-tin alloy wire, the insulating layer is arranged on the outside of the fuse body, an anti-oxidation layer is arranged on the inside of the insulating layer, the anti-oxidation layer is arranged on the outside of the heat insulation layer, a flame retardant layer is arranged on the inside of the heat insulation layer, and the flame retardant layer is arranged on the outside of the lead-tin alloy wire.

[0006] Preferably, both ends of the fuse body are fixedly connected with wire connectors, and the outer surfaces of the two wire connectors are provided with aluminum foil.

[0007] Preferably, the inner side of the aluminum foil is fixedly connected to the lead-tin alloy wire, and the outer surface of the aluminum foil is fixedly connected to a plurality of connector wires.

[0008] Preferably, rubber rings are sleeved on the outer sides of both ends of the fuse body, and the rubber rings are fixedly connected to the fuse body.

[0009] Preferably, the insulating layer is made of aluminum oxide.

[0010] Preferably, the anti-oxidation layer is made of metallic titanium.

[0011] Preferably, the thermal insulation layer is made of zirconium oxide.

[0012] Preferably, the flame retardant layer is made of aluminum hydroxide.

[0013] Beneficial Effects

[0014] The utility model provides an anti-oxidation type fuse. Compared with the prior art, it has the following beneficial effects:

[0015] 1. In the utility model, an oxidation protection structure is provided, an anti-oxidation layer is provided in the fuse body, and metal titanium is used as the constituent material of the anti-oxidation layer. Metal titanium has oxidation resistance and can effectively resist oxidation in a high-temperature environment. This allows the fuse to maintain good oxidation resistance in a high-temperature, high-oxidation environment and prolong its service life. In addition, an insulating layer, a heat-insulating layer and a flame-retardant layer are also provided in the oxidation protection structure, so that the fuse has good thermal stability and flame-retardant properties while ensuring oxidation resistance;

[0016] 2. In the utility model, by providing the wire connector and the aluminum foil, when the electrical equipment or the power distribution system is connected with the wire, the connector wires outside the wire connector at one end of the fuse body are respectively connected with the circuit wiring of the electrical equipment or the power distribution system, and then the other end is connected with the wire. During the connection process, the multiple connector wires can be twisted and connected with the circuit wiring or the exposed wires of the wires. After the twisting is completed, the twisted part is tightly wrapped with an insulating tape or a special connector to prevent the fuse from loosening or short-circuiting, thereby realizing the rapid connection between the electrical equipment or the power distribution system and the wire. In addition, the aluminum foil is provided on the outside of the wire connector. The aluminum foil has good anti-oxidation and anti-corrosion properties, which helps to protect the fuse connector from the influence of the external environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a right-side three-dimensional structural schematic diagram of an anti-oxidation fuse proposed by the utility model;

[0018] Figure 2 This is a front side three-dimensional structure entity diagram of an anti-oxidation type fuse proposed by the utility model;

[0019] Figure 3 The utility model proposes an anti-oxidation fuse Figure 2 A magnified view of middle;

[0020] Figure 4 The utility model is a schematic diagram of a part of the internal structure of an anti-oxidation type fuse.

[0021] Legend:

[0022] 1. Fuse body; 2. Oxidation protection structure; 201. Insulation layer; 202. Anti-oxidation layer; 203. Heat insulation layer; 204. Flame retardant layer; 205. Lead-tin alloy wire; 3. Connector wire; 4. Rubber ring; 5. Aluminum foil; 6. Wire connector. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-Figure 4 The utility model provides two technical solutions, which specifically include the following embodiments:

[0025] Embodiment 1:

[0026] An anti-oxidation type fuse comprises a fuse body 1, an oxidation protection structure 2 is arranged inside the fuse body 1, the oxidation protection structure 2 comprises an insulating layer 201, an anti-oxidation layer 202, a heat insulation layer 203, a flame retardant layer 204 and a lead-tin alloy wire 205, the insulating layer 201 is arranged on the outside of the fuse body 1, the anti-oxidation layer 202 is arranged on the inside of the insulating layer 201, the anti-oxidation layer 202 is arranged on the outside of the heat insulation layer 203, the flame retardant layer 204 is arranged on the inside of the heat insulation layer 203, the flame retardant layer 204 is arranged on the outside of the lead-tin alloy wire 205, the insulating layer 201 is made of aluminum oxide, the anti-oxidation layer 202 is made of aluminum oxide, and the flame retardant layer 204 is arranged on the outside of the lead-tin alloy wire 205. Metal titanium, the heat insulation layer 203 is made of zirconium oxide, and the flame retardant layer 204 is made of aluminum hydroxide. By setting an anti-oxidation layer 202 in the fuse body 1 and using metal titanium as the component material of the anti-oxidation layer 202, metal titanium has oxidation resistance and can effectively resist oxidation in a high-temperature environment. This allows the fuse to maintain good oxidation resistance in a high-temperature, high-oxidation environment and extend its service life. In addition, an insulating layer 201, a heat insulation layer 203 and a flame retardant layer 204 are also provided in the oxidation protection structure 2, so that the fuse has good thermal stability and flame retardant properties while ensuring oxidation resistance.

[0027] During operation, when the fuse is used normally, if the current is too large and exceeds the rated current of the lead-tin alloy wire 205, the resistance inside the lead-tin alloy wire 205 will increase rapidly, causing it to heat up. As the heat increases, the temperature of the lead-tin alloy wire 205 rises, and it will melt when it reaches the melting point, thereby disconnecting the circuit.

[0028] Embodiment 2:

[0029] On the basis of the first embodiment, both ends of the fuse body 1 are fixedly connected with wire connectors 6, and the outer surfaces of the two wire connectors 6 are provided with aluminum foil sheets 5, the inner side of the aluminum foil sheets 5 is fixedly connected with the lead-tin alloy wire 205, and the outer surface of the aluminum foil sheets 5 is fixedly connected with a plurality of connector wires 3, and the plurality of connector wires 3 are distributed in a ring array on the outer surface of the aluminum foil sheets 5, and the outer sides of both ends of the fuse body 1 are sleeved with rubber rings 4, and the rubber rings 4 are fixedly connected with the fuse body 1. When installing the fuse, the user can pinch the rubber ring 4 to prevent the user from directly pinching the fuse to cause deformation of the fuse;

[0030] When connecting electric wires to electrical equipment or a power distribution system, the connector wires 3 on the outside of the wire connector 6 at one end of the fuse body 1 are respectively connected to the circuit wiring of the electrical equipment or the power distribution system, and then the other end is connected to the wires. During the connection process, multiple connector wires 3 can be twisted to form a knot with the circuit wiring or the exposed wires of the wires. After the twisting is completed, the knot is tightly wrapped with an insulating tape or a special connector to prevent the fuse from loosening or short-circuiting, thereby realizing a quick connection between the electrical equipment or the power distribution system and the wires. In addition, an aluminum foil sheet 5 is arranged on the outside of the wire connector 6. The aluminum foil sheet 5 has good anti-oxidation and anti-corrosion properties, which helps to protect the fuse connector from the influence of the external environment.

Claims

1. An anti-oxidation fuse, comprising a fuse body (1), characterized in that: An oxidation protection structure (2) is provided inside the fuse body (1), the oxidation protection structure (2) comprising an insulating layer (201), an anti-oxidation layer (202), a heat insulation layer (203), a flame retardant layer (204) and a lead-tin alloy wire (205); the insulating layer (201) is provided on the outside of the fuse body (1); the anti-oxidation layer (202) is provided on the inside of the insulating layer (201); the anti-oxidation layer (202) is provided on the outside of the heat insulation layer (203); the flame retardant layer (204) is provided on the inside of the heat insulation layer (203); and the flame retardant layer (204) is provided on the outside of the lead-tin alloy wire (205).

2. The anti-oxidation fuse according to claim 1, characterized in that: Both ends of the fuse body (1) are fixedly connected with wire connectors (6), and the outer surfaces of the two wire connectors (6) are provided with aluminum foil sheets (5).

3. The anti-oxidation fuse according to claim 2, characterized in that: The inner side of the aluminum foil sheet (5) is fixedly connected to the lead-tin alloy wire (205), and the outer surface of the aluminum foil sheet (5) is fixedly connected to a plurality of connector wires (3).

4. The anti-oxidation fuse according to claim 1, characterized in that: Rubber rings (4) are sleeved on the outer sides of both ends of the fuse body (1), and the rubber rings (4) are fixedly connected to the fuse body (1).

5. The anti-oxidation fuse according to claim 1, characterized in that: The insulating layer (201) is made of aluminum oxide.

6. The anti-oxidation fuse according to claim 1, characterized in that: The anti-oxidation layer (202) is made of metal titanium.

7. The anti-oxidation fuse according to claim 1, characterized in that: The heat insulation layer (203) is made of zirconium oxide.

8. The anti-oxidation fuse according to claim 1, characterized in that: The flame retardant layer (204) is made of aluminum hydroxide.

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