CN219626351U - High-temperature-resistant polyvinyl chloride insulated wire - Google Patents

High-temperature-resistant polyvinyl chloride insulated wire Download PDF

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Publication number
CN219626351U
CN219626351U CN202320065678.2U CN202320065678U CN219626351U CN 219626351 U CN219626351 U CN 219626351U CN 202320065678 U CN202320065678 U CN 202320065678U CN 219626351 U CN219626351 U CN 219626351U
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China
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polyvinyl chloride
wire
core
protective layer
high temperature
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CN202320065678.2U
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Chinese (zh)
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陈达
贾宁宁
李春娥
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Fujian Tongyu Cables Co ltd
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Fujian Tongyu Cables Co ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/14Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables

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Abstract

The utility model discloses a high-temperature-resistant polyvinyl chloride insulated wire, which comprises a wire core, wherein an insulated mica layer is arranged outside the wire core, a polyvinyl chloride outer protective layer is arranged outside the insulated mica layer, and an inner core fracture power failure prevention structure is arranged between the outside of the wire core and the inside of the insulated mica layer. This high temperature resistant polyvinyl chloride insulated wire is through being provided with outer around conductive core wire, prevent degluing and insulating cover, during the use, the sinle silk plays the effect of electrically conductive circular telegram, insulating mica layer insulation fire prevention, polyvinyl chloride outer sheath further strengthens fire prevention insulating properties, at the in-process that the electric wire constantly buckles, the great sinle silk toughness of cross-section can be weak, break easily takes place, the outer conductive core wire of diameter is smaller plays the communication effect, with two sections cracked sinle silk intercommunication, prevent the degluing can prevent outer around conductive core wire and scatter, insulating cover further strengthens insulating properties, realized preventing the function of breaking outage, the problem that the device does not possess the function of preventing breaking outage is solved.

Description

High-temperature-resistant polyvinyl chloride insulated wire
Technical Field
The utility model relates to the technical field of wires, in particular to a high-temperature-resistant polyvinyl chloride insulated wire.
Background
The insulated wire is an electric wire with an insulating layer coated outside, and compared with the conventional electric wire, the safety performance is higher, the external insulating sheath made of polyvinyl chloride is more superior in physical performance, and the insulated wire is wear-resistant and high-temperature-resistant, so that the service life of the electric wire can be effectively prolonged.
Through retrieving, application number CN 201020646996.0 discloses a fire-retardant high temperature resistant fire-resistant polyvinyl chloride insulated cable, and it is proposed herein that "fire-resistant mica tape is wrapped outside the conductor core, the fire-resistant insulating layer is wrapped outside the fire-resistant mica tape, and the fire-retardant polyvinyl chloride sheath is wrapped outside the fire-resistant insulating layer. The utility model has high temperature resistance level, strong fire resistance, safety and durability, the carbonization height, smoke density and smoke toxicity of the product meet the requirements of combustion performance standards in public places when the product is combusted, and the environment is not polluted.
In actual operation, the polyvinyl chloride material is applied to the electric wire as early as possible, and the flame-retardant polyvinyl chloride sheath is only added with a layer of flame-retardant polyvinyl chloride sheath to improve the fireproof and high-temperature-resistant performance, so that once the surface is damaged, the wire is heated unevenly locally, the wire burst is accelerated, and the flame-retardant polyvinyl chloride sheath does not have the functions of strengthening protection and avoiding burst; secondly, the wire core in the current main current wire in the market is mostly a single copper core, the folding resistance is poor, the wire core is easy to break, and once the wire core breaks, the current is stopped immediately, so that the current does not have the function of preventing breaking and power failure; in addition, the wire is arranged in outdoor places, and dark wires are not easy to operate particularly during night operation, and different operators have different habits of cutting off the outer coating of the wire cores, so that the conditions of irregular operation, deviation in length and the like are easy to occur, and the wire is not convenient to operate at night and has the function of accurately cutting off the coating.
Disclosure of Invention
The utility model aims to provide a high-temperature-resistant polyvinyl chloride insulated wire, which solves the problem that the prior art does not have the function of preventing breaking and power failure.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high temperature resistant polyvinyl chloride insulated wire, includes the sinle silk, the outside of sinle silk is provided with insulating mica layer, the outside of insulating mica layer is provided with the outer sheath of polyvinyl chloride, the inside of the outer sheath of polyvinyl chloride is provided with interior sheath, the outside upper and lower both ends of outer sheath of polyvinyl chloride are the air brushing respectively has the scale mark, be provided with the inner core fracture between the outside of sinle silk and the inside of insulating mica layer and prevent outage structure.
The inner core fracture outage prevention structure comprises a plurality of groups of outer winding conductive core wires, the plurality of groups of outer winding conductive core wires are respectively wound outside a wire core, an insulating sleeve is sleeved between the outer side of the outer winding conductive core wires and the inner part of the insulating mica layer, and anti-degumming is uniformly filled between the inner part of the insulating sleeve and the outer part of the insulating sleeve.
Preferably, the outer winding conductive core wires are arranged in a spiral mode.
Preferably, the material of the outer winding conductive core wire is consistent with the material of the wire core.
Preferably, a tinned copper wire threaded belt is arranged between the outer part of the inner protective layer and the inner part of the polyvinyl chloride outer protective layer, and the outer part and the inner part of the tinned copper wire threaded belt are respectively connected with the polyvinyl chloride outer protective layer and the inner protective layer.
Preferably, the vertical center line of the inner protective layer coincides with the vertical center line of the wire core.
Preferably, the front end and the rear end of the outer part of the polyvinyl chloride outer protective layer are respectively coated with fluorescent coating points.
Preferably, the graduation marks are arranged at equal intervals.
Compared with the prior art, the utility model has the beneficial effects that: the high-temperature-resistant polyvinyl chloride insulated wire not only realizes the function of preventing breakage and power failure, and the function of strengthening protection and avoiding bursting, but also realizes the function of facilitating accurate cutting of the coating during night operation;
(1) Through the arrangement of the outer winding conductive core wire, the anti-degumming and the insulating sleeve, when the insulating mica layer is used, the wire core plays a role in conducting electricity, the insulating mica layer is insulating and fireproof, the polyvinyl chloride outer protective layer further enhances the fireproof insulation performance, in the process that the wire is continuously bent, the toughness of the wire core with a larger section is weaker, the wire core is easy to break, the outer winding conductive core wire with a smaller diameter plays a role in communication, two sections of broken wire cores are communicated, the anti-degumming can prevent the outer winding conductive core wire from being scattered, the insulating sleeve further enhances the insulation performance, and the function of preventing breaking and power failure is realized;
(2) Through being provided with tinned copper wire threaded belt and inner sheath, during the use, polyvinyl chloride outer sheath can protect inside sinle silk, and inner sheath and polyvinyl chloride outer sheath constitute two-layer protection, even outside polyvinyl chloride outer sheath breaks, inside also can play continuous guard action, prevents to heat inhomogeneous under the high temperature weather and leads to the fact the electric wire surface to burst, tinned copper wire threaded belt adds the toughness of money outer sheath, and the heliciform structure can not directly fracture when pulling, possesses certain buffer space, has realized strengthening protection and has avoided the function of bursting;
(3) Through being provided with scale line and fluorescence and scribble some, during the use, when carrying out the wiring operation, generally need get rid of the coating of end of a thread department, dock sinle silk and interface, the scale line can make the operation more standard, unify the coating of cutting corresponding length, under night environment, the fluorescence scribbles some and can show the profile of electric wire under the dim light condition, can in time find when breaking and hang down, has realized the accurate function of cutting the cover skin of being convenient for night operation.
Drawings
FIG. 1 is a schematic elevational view of the present utility model;
FIG. 2 is a schematic diagram of an enlarged side view of a tinned copper wire threaded belt according to the present utility model;
FIG. 3 is an enlarged partial cross-sectional view of the structure of FIG. 1A according to the present utility model;
fig. 4 is a schematic view of a partial top view structure of the present utility model.
In the figure: 1. a wire core; 2. an insulating mica layer; 3. a polyvinyl chloride outer sheath; 4. externally winding a conductive core wire; 5. degumming prevention; 6. an insulating sleeve; 7. tinning copper wire threaded belts; 8. an inner protective layer; 9. scale marks; 10. fluorescent dots.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1: referring to fig. 1-4, a high temperature resistant polyvinyl chloride insulated wire comprises a wire core 1, wherein an insulated mica layer 2 is arranged outside the wire core 1, a polyvinyl chloride outer protective layer 3 is arranged outside the insulated mica layer 2, and an inner core fracture power failure prevention structure is arranged between the outside of the wire core 1 and the inside of the insulated mica layer 2;
referring to fig. 1-4, the high temperature resistant pvc insulated wire further includes an inner core fracture power-off preventing structure, the inner core fracture power-off preventing structure includes a plurality of groups of outer winding conductive core wires 4, the plurality of groups of outer winding conductive core wires 4 are respectively wound on the outer part of the wire core 1, an insulating sleeve 6 is sleeved between the outer side of the outer winding conductive core wires 4 and the inner part of the insulating mica layer 2, and anti-degumming 5 is uniformly filled between the inner part of the insulating sleeve 6 and the outer part of the insulating sleeve;
the outer winding conductive core wires 4 are spirally arranged, the material of the outer winding conductive core wires 4 is consistent with that of the wire core 1, the strength and toughness of the inner core can be improved, and direct power failure during fracture is avoided;
specifically, as shown in fig. 1 and 3, the toughness of the wire core 1 with a larger section is weaker, breakage is easy to occur, the outer winding conductive core wire 4 with a smaller diameter plays a role in communication, two sections of broken wire cores 1 are communicated, the anti-degumming 5 can prevent the outer winding conductive core wire 4 from being scattered, and the insulating sleeve 6 further strengthens the insulating performance.
Example 2: an inner sheath 8 is arranged in the polyvinyl chloride outer sheath 3, a tinned copper wire threaded belt 7 is arranged between the outer part of the inner sheath 8 and the inner part of the polyvinyl chloride outer sheath 3, the outer part and the inner part of the tinned copper wire threaded belt 7 are respectively connected with the polyvinyl chloride outer sheath 3 and the inner sheath 8, the vertical center line of the inner sheath 8 is overlapped with the vertical center line of the wire core 1, the strength of an outer coating layer is improved, and the service life of the wire is prolonged;
specifically, as shown in fig. 1 and 2, the inner sheath 8 and the polyvinyl chloride outer sheath 3 form two layers of protection, even if the outer polyvinyl chloride outer sheath 3 breaks, the inner part can also play a continuous protection role, the surface of the electric wire is prevented from cracking due to uneven heating in high-temperature weather, the tinned copper wire threaded belt 7 is added with the toughness of the outer sheath, the thread-shaped structure cannot be broken directly when being pulled, and a certain buffer space is provided.
Example 3: the upper end and the lower end of the outer part of the polyvinyl chloride outer protective layer 3 are respectively spray-painted with graduation marks 9, the front end and the rear end of the outer part of the polyvinyl chloride outer protective layer 3 are respectively coated with fluorescent coating points 10, and the graduation marks 9 are arranged at equal intervals, can be accurately cut off, and are convenient to operate at night;
specifically, as shown in fig. 1 and fig. 4, the graduation marks 9 can make the operation more standard, uniformly cut off the coating layer with the corresponding length, and under the night environment, the fluorescent coating points 10 can show the outline of the electric wire under the condition of weak light, and can be found in time when the broken ground occurs.
Working principle: when the insulated wire is used, firstly, the wire core 1 plays a role in conducting electricity, the insulating mica layer 2 is insulated and fireproof, the polyvinyl chloride outer protective layer 3 further enhances fireproof insulation performance, in the process that the wire is continuously bent, the wire core 1 with a larger section is weak in toughness and easy to break, the outer winding conductive core wire 4 with a smaller diameter plays a role in communication, two sections of broken wire cores 1 are communicated, the anti-degumming 5 can prevent the outer winding conductive core wire 4 from being scattered, and the insulation sleeve 6 further enhances insulation performance. The polyvinyl chloride outer sheath 3 can protect inside sinle silk 1, and inner sheath 8 and polyvinyl chloride outer sheath 3 constitute two-layer protection, and even outside polyvinyl chloride outer sheath 3 breaks, inside also can play continuous guard action, prevents to be heated inhomogeneous under the high temperature weather and causes the electric wire surface to burst apart, tinned copper wire threaded belt 7 adds the toughness of the outside sheath of money, and the heliciform structure can not directly fracture when pulling, possesses certain buffer space. When the wiring operation is carried out, the coating layer at the wire head is generally required to be removed, the wire core 1 is in butt joint with the interface, the scale marks 9 can enable the operation to be more standard, the coating layer with the corresponding length is uniformly cut off, the fluorescent coating points 10 can show the outline of the electric wire under the condition of weak light at night, and the electric wire can be found in time when broken and vertical ground occurs.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. High temperature resistant polyvinyl chloride insulated wire, including sinle silk (1), its characterized in that: the cable comprises a cable core (1), wherein an insulating mica layer (2) is arranged outside the cable core (1), a polyvinyl chloride outer protective layer (3) is arranged outside the insulating mica layer (2), an inner protective layer (8) is arranged inside the polyvinyl chloride outer protective layer (3), scale marks (9) are respectively spray-painted at the upper end and the lower end of the outer part of the polyvinyl chloride outer protective layer (3), and an inner core fracture power failure prevention structure is arranged between the outer part of the cable core (1) and the inner part of the insulating mica layer (2);
the inner core fracture outage prevention structure comprises a plurality of groups of outer winding conductive core wires (4), the plurality of groups of outer winding conductive core wires (4) are respectively wound outside a wire core (1), an insulating sleeve (6) is sleeved between the outer side of the outer winding conductive core wires (4) and the inside of an insulating mica layer (2), and degluing prevention (5) is uniformly filled between the inside of the insulating sleeve (6) and the outside of the insulating sleeve.
2. The high temperature resistant polyvinyl chloride insulated wire of claim 1, wherein: the outer winding conductive core wires (4) are spirally arranged.
3. The high temperature resistant polyvinyl chloride insulated wire of claim 1, wherein: the material of the outer winding conductive core wire (4) is consistent with that of the wire core (1).
4. The high temperature resistant polyvinyl chloride insulated wire of claim 1, wherein: a tinned copper wire threaded belt (7) is arranged between the outer part of the inner protective layer (8) and the inner part of the polyvinyl chloride outer protective layer (3), and the outer part and the inner part of the tinned copper wire threaded belt (7) are respectively connected with the polyvinyl chloride outer protective layer (3) and the inner protective layer (8).
5. The high temperature resistant polyvinyl chloride insulated wire of claim 1, wherein: the vertical center line of the inner protective layer (8) is coincident with the vertical center line of the wire core (1).
6. The high temperature resistant polyvinyl chloride insulated wire of claim 1, wherein: the front end and the rear end of the outer part of the polyvinyl chloride outer protective layer (3) are respectively coated with fluorescent coating points (10).
7. The high temperature resistant polyvinyl chloride insulated wire of claim 1, wherein: the graduation marks (9) are arranged at equal intervals.
CN202320065678.2U 2023-01-10 2023-01-10 High-temperature-resistant polyvinyl chloride insulated wire Active CN219626351U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320065678.2U CN219626351U (en) 2023-01-10 2023-01-10 High-temperature-resistant polyvinyl chloride insulated wire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320065678.2U CN219626351U (en) 2023-01-10 2023-01-10 High-temperature-resistant polyvinyl chloride insulated wire

Publications (1)

Publication Number Publication Date
CN219626351U true CN219626351U (en) 2023-09-01

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ID=87792653

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320065678.2U Active CN219626351U (en) 2023-01-10 2023-01-10 High-temperature-resistant polyvinyl chloride insulated wire

Country Status (1)

Country Link
CN (1) CN219626351U (en)

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