CN210325296U

CN210325296U - Electric wire with short-circuit protection function

Info

Publication number: CN210325296U
Application number: CN201921120067.3U
Authority: CN
Inventors: 曹风雷
Original assignee: Xinya Electronics Co ltd
Current assignee: Xinya Electronics Co ltd
Priority date: 2019-07-17
Filing date: 2019-07-17
Publication date: 2020-04-14
Anticipated expiration: 2029-07-17

Abstract

The utility model discloses an electric wire with short-circuit protection function connects through fusing mechanism between two tensile cores, be equipped with two recesses on the tensile core, and all be equipped with the copper line in two recesses, the parcel has the internal insulation layer on the copper line, and contradicts the bottom in the recess in one side of internal insulation layer, the tensile core outside is equipped with fire-retardant layer, the parcel has the external insulation layer on the fire-retardant layer, be fixed with the filler strip on the relative lateral wall in fire-retardant intraformational, and contradict respectively in relative one side of two filler strips in one side of two internal insulation layers, be equipped with the filler in the fire-retardant layer. The utility model discloses a set up the fusing silk inside the electric wire and protect the electric wire, the conflagration that takes place when avoiding the short circuit sets up the thermal expansion ball in inside simultaneously and struts zero line and live wire, avoids the power short circuit once more, and the cooperation fluorescent layer is convenient overhauls the circuit night, has improved the efficiency of overhauing the circuit night, and convenient the change has reduced use cost.

Description

Electric wire with short-circuit protection function

Technical Field

The utility model relates to an electric wire technical field especially relates to an electric wire with short-circuit protection function.

Background

The insulation of the wire needs to have certain voltage-withstanding capability, if the current of the wire exceeds the current-carrying capacity, the heating of the wire is intensified, the insulation capability is rapidly reduced, the insulation is accelerated to age, and finally the insulation capability is lost, the wire is broken down by voltage, so that the metal wire core is directly contacted or conducted through electric arc, and the short circuit is called. When the electric wire is short-circuited, abnormal high temperature or electric arc spark is generated to cause nearby combustible substances to fire, which is commonly called an electrical fire. The electrical short circuit can also cause dangerous voltage to the electrical equipment, which causes electric shock accidents.

The existing electric wire can only be passively borne when a circuit is short-circuited, corresponding measures cannot be taken to avoid fire when the electric wire is short-circuited, and a line fault position cannot be quickly observed when the line is checked at night, so that the line maintenance efficiency at night is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an electric wire with a short-circuit protection function.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an electric wire with short-circuit protection function, connects through fusing mechanism between two tensile cores, be equipped with two recesses on the tensile core, and all be equipped with the copper line in two recesses, the parcel has the internal insulation layer on the copper line, and the bottom of contradicting in the recess of one side of internal insulation layer, the tensile core outside is equipped with fire-retardant layer, the parcel has the external insulation layer on the fire-retardant layer, be fixed with the filler strip on the relative lateral wall in fire-retardant layer, and contradict respectively in relative one side of two filler strips in one side of two internal insulation layers, be equipped with the filler in the fire-retardant layer, the one end of left side tensile core is connected with fusing mechanism left end through first connector, and the one end of right side tensile core is passed through the second connector and is connected with fusing mechanism right-hand.

Preferably, the fuse mechanism includes fuse, baffle and inflation ball, and first connector and second connector all with copper wired connection, first connector passes through the fuse and is connected with the second connector, the cladding has the protective layer on the fuse, is equipped with the baffle between two fuses, run through on the baffle and be equipped with the inflation ball, the fuse symmetry sets up in inflation ball both sides, and the inflation ball both sides are contradicted respectively in the relative one side of two protective layers.

Preferably, two fusible links are wrapped by the corrugated hose, and the relative lateral wall of baffle is fixed respectively on the relative lateral wall in the corrugated hose, and two outer insulating layer's relative one end all cladded has the viscose layer, the cladding has the connecting pipe on the viscose layer, and two connecting pipes are fixed respectively at the both ends of corrugated hose.

Preferably, the corrugated hose is coated with a fluorescent paint.

Preferably, the corrugated hose is made of stainless steel, and a circle of side wall in the corrugated hose is coated with insulating paint.

Preferably, the two grooves are spirally arranged, and the filler strip corresponds to the grooves.

Preferably, the inner insulating layer and the outer insulating layer are both made of polyvinyl chloride materials.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the matching among the fuse wire, the partition plate, the expansion ball and the corrugated hose, the problem that corresponding measures cannot be taken to avoid fire when the electric wire is in short circuit is solved, the effect of automatic circuit breaking during short circuit is achieved, the electric wire is convenient to protect, the fire during short circuit is avoided, and the safety is improved;

2. through the matching among the first connector, the second connector, the connecting pipe and the corrugated hose, the problem of inconvenient maintenance is solved, the effect of quick maintenance is achieved, the replacement is convenient, and the maintenance efficiency is improved;

to sum up, this device protects the electric wire through set up fusing silk in that the electric wire is inside, and the conflagration breaks out when avoiding the short circuit, sets up the thermal expansion ball simultaneously in inside and struts zero line and live wire, avoids the power short circuit once more, and the cooperation fluorescent layer is convenient overhauls the circuit night, has improved the efficiency of overhauing the circuit night, and convenient the change has reduced use cost.

Drawings

Fig. 1 is a schematic view of an internal structure of an electric wire with a short-circuit protection function according to the present invention;

fig. 2 is a front view of an electric wire with short-circuit protection function according to the present invention;

fig. 3 is a schematic structural view of a moving plate of an electric wire with short-circuit protection function according to the present invention.

In the figure: the novel anti-explosion composite material comprises a corrugated hose 1, a connecting pipe 2, an outer insulating layer 3, a tensile core 4, a filler strip 5, a flame-retardant layer 6, a copper wire 7, an inner insulating layer 8, a filler 9, a fuse wire 10, a first connecting head 11, a partition plate 12, a second connecting head 13, an adhesive layer 14, a protective layer 15 and an expansion ball 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 3, an electric wire with short-circuit protection function includes two tensile cores 4, and is characterized in that: the two tensile cores 4 are connected through a fusing mechanism, two grooves are arranged on each tensile core 4, copper wires 7 are arranged in the two grooves, an inner insulating layer 8 wraps the copper wires 7, one side of the inner insulating layer 8 abuts against the bottom in each groove, a flame-retardant layer 6 is arranged on the outer side of each tensile core 4, an outer insulating layer 3 wraps the flame-retardant layer 6, the inner insulating layer 8 and the outer insulating layer 3 are both made of polyvinyl chloride materials, backing strips 5 are fixed on opposite side walls in the flame-retardant layer 6, one sides of the two inner insulating layers 8 respectively abut against opposite sides of the two backing strips 5, the two grooves are spirally arranged, the backing strips 5 correspond to the grooves, fillers 9 are arranged in the flame-retardant layer 6, one end of the tensile core 4 on the left side is connected with the left end of the fusing mechanism through a first connector 11, one end of the tensile core 4 on the right side is connected with the right end of the fusing mechanism through a second connector, the tensile capacity can be increased through the copper line 7 of spiral setting, can avoid the electric wire to catch fire through fire-retardant layer 6 and arouse the conflagration.

The utility model discloses in, the fuse-link constructs including fuse 10, baffle 12 and inflation ball 16, and first connector 11 and second connector 13 all are connected with copper line 7, first connector 11 is connected with second connector 13 through fuse 10, the cladding has protective layer 15 on the fuse 10, be equipped with baffle 12 between two fuse 10, run through on the baffle 12 and be equipped with inflation ball 16, fuse 10 symmetry sets up in inflation ball 16 both sides, and 16 both sides of inflation ball are contradicted respectively in two relative one sides of protective layer 15, produce a large amount of heats during the short circuit and fuse 10, a large amount of heats make inflation ball 16 inflation simultaneously, cooperation baffle 12 struts four copper lines 7, avoid the short circuit once more, the security has been improved.

The utility model discloses in, two fuse wires 10 are by corrugated tube 1 cladding, and the relative lateral wall of baffle 12 is fixed respectively on the relative lateral wall in corrugated tube 1, the coating has fluorescent paint on corrugated tube 1, corrugated tube 1 adopts the stainless steel to make, and the coating has insulating paint on the a week lateral wall in corrugated tube 1, avoid lasting short circuit, the equal cladding of relative one end of two outer insulating layer 3 has viscose layer 14, the cladding has connecting pipe 2 on viscose layer 14, two connecting pipe 2 are fixed respectively at corrugated tube 1's both ends, corrugated tube 1 takes place deformation during the short circuit, cooperate fluorescent paint to find out the fault point fast when light is darker, be convenient for overhaul.

The utility model discloses in, when the short circuit condition takes place, the electric current through the wire increases, produce a large amount of heats with fuse 10 fusing, a large amount of heats make expansion ball 16 inflation simultaneously, cooperation baffle 12 struts four copper lines 7, avoid short circuit once more, it takes place deformation to drive corrugated hose 1 simultaneously, cooperation fluorescent paint can find out the fault point fast when light is darker, be convenient for overhaul, when changing, tear connecting pipe 2, extract fuse 10, change corrugated hose 1 and fuse 10 simultaneously, then through viscose layer 14 with connecting pipe 2 stable connection on two outer insulation layer 3, accomplish the change, and high convenience and fastness, maintenance efficiency has been improved, and the cost of using has been reduced, copper line 7 through the spiral setting can increase tensile strength, can avoid the electric wire to catch fire through fire-retardant layer 6 and arouse the conflagration.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An electric wire with short-circuit protection function, comprising two tension cores (4), characterized in that: the two tensile cores (4) are connected through a fusing mechanism, two grooves are arranged on the tensile cores (4), copper wires (7) are arranged in the two grooves, an inner insulating layer (8) is wrapped on the copper wires (7), one side of the inner insulating layer (8) is abutted against the bottom in the groove, the outer side of the tensile core (4) is provided with a flame-retardant layer (6), the flame-retardant layer (6) is wrapped with an outer insulating layer (3), the opposite side walls in the flame-retardant layer (6) are fixed with backing strips (5), one side of each of the two inner insulating layers (8) is respectively abutted against the opposite side of each of the two filler strips (5), be equipped with filler (9) in fire-retardant layer (6), the one end of left side tensile core (4) is passed through first connector (11) and is connected with the mechanism left end of fusing, and the one end of right side tensile core (4) is passed through second connector (13) and is connected with the mechanism right-hand member of fusing.

2. The electric wire with the short-circuit protection function according to claim 1, wherein the fusing mechanism comprises a fuse (10), a partition plate (12) and an expansion ball (16), the first connecting head (11) and the second connecting head (13) are connected with the copper wire (7), the first connecting head (11) is connected with the second connecting head (13) through the fuse (10), the fuse (10) is coated with a protective layer (15), the partition plate (12) is arranged between the two fuses (10), the expansion ball (16) penetrates through the partition plate (12), the fuse (10) is symmetrically arranged on two sides of the expansion ball (16), and two sides of the expansion ball (16) are respectively abutted to two opposite sides of the two protective layers (15).

3. The electric wire with the short-circuit protection function according to claim 2, wherein the two fusible links (10) are covered by the corrugated hose (1), opposite side walls of the partition plate (12) are respectively fixed on opposite side walls in the corrugated hose (1), opposite ends of the two outer insulating layers (3) are both covered by the adhesive layer (14), the adhesive layer (14) is covered by the connecting pipe (2), and the two connecting pipes (2) are respectively fixed at two ends of the corrugated hose (1).

4. An electric wire with short-circuit protection function as claimed in claim 3, characterized in that the corrugated hose (1) is coated with fluorescent paint.

5. The electric wire with the short-circuit protection function according to claim 3, wherein the corrugated hose (1) is made of stainless steel, and a circumference of the side wall in the corrugated hose (1) is coated with insulating paint.

6. The electrical wire with short-circuit protection function according to claim 1, wherein the two grooves are spirally arranged, and the filler strip (5) corresponds to the grooves.

7. The electric wire with short-circuit protection function according to claim 1, wherein the inner insulating layer (8) and the outer insulating layer (3) are made of polyvinyl chloride material.