CN217955481U

CN217955481U - High temperature resistant fire prevention BV line

Info

Publication number: CN217955481U
Application number: CN202221905301.5U
Authority: CN
Inventors: 马泽
Original assignee: Langfang Xinchaolong Cable Technology Co ltd
Current assignee: Langfang Xinchaolong Cable Technology Co ltd
Priority date: 2022-07-22
Filing date: 2022-07-22
Publication date: 2022-12-02
Anticipated expiration: 2032-07-22

Abstract

The utility model discloses a high temperature resistant fire prevention BV line, include: insulating cover, the sinle silk, first double-deck reverse synthetic mica tape of package double-sided and the reverse synthetic mica tape of package double-sided and wearing layer around the package double-sided of second, the sinle silk is located insulating cover inboard, first double-deck reverse synthetic mica tape setting outside insulating cover around the package double-sided, first reverse is provided with anti-interference layer around between the synthetic mica tape of package double-sided and the insulating cover, the reverse synthetic mica tape setting of package double-sided is outside at first reverse synthetic mica tape around the package double-sided, the wearing layer sets up at the reverse synthetic mica tape outside of package double-sided of second, first reverse is provided with alkali-free glass fiber intermediate level around between the synthetic mica tape of package double-sided and the reverse synthetic mica tape of package double-sided of second. The utility model can improve the external interference resistance of the BV wire by arranging the anti-interference layer, the shielding layer and the armor layer; the tensile strength can be improved through the setting of wearing layer, armor and tensile reinforcement to the BV line.

Description

High temperature resistant fire prevention BV line

Technical Field

The utility model relates to a BV line technical field specifically is a high temperature resistant fire prevention BV line.

Background

Limited by the volatility of a plasticizer and the melting point of an organic material, the heat resistance of the conventional polyvinyl chloride insulation BV wire is only 70 ℃, 90 ℃ and 105 ℃, and the conventional polyvinyl chloride insulation BV wire cannot meet the use in a high-temperature environment, even if the high-temperature heat-resistant organic material such as Teflon and the like has the highest extreme temperature resistance, namely 300 ℃, and cannot meet the higher heat-resistant requirement.

Publication number CN207572080U discloses a high temperature resistant fire prevention BV line, relates to a wire and cable technical field. The utility model discloses an including main part conductive structure, flame retardant coating and anticorrosive wearing layer, the last cladding of main part conductive structure has the flame retardant coating, and the cladding has anticorrosive wearing layer on the flame retardant coating, and the flame retardant coating includes alkali-free glass fiber layer and mica tape, and alkali-free glass fiber layer includes first alkali-free glass fiber layer and second alkali-free glass fiber layer, and the cladding has the mica tape on the first alkali-free glass fiber layer, and the cladding has the second alkali-free glass fiber layer on the mica tape. The utility model discloses an inorganic material multilayer insulation structure both can be with the highest 1000 ℃ that improve of heat-resisting temperature, can be used to again in having the various electrical apparatus that fire behavior required.

However, when the BV wire is used in the field of anti-interference electric appliances, the BV wire lacks corresponding anti-interference capability, so that the BV wire is easily subjected to external electromagnetic interference, has low tensile strength and is easily snapped when pulled.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high temperature resistant fire prevention BV line to solve the poor problem of BV line interference killing feature.

In order to achieve the above object, the utility model provides a following technical scheme: a high temperature resistant fire protection BV line comprising: insulating cover, sinle silk, first reverse synthetic mica tape around package two-sided and the reverse synthetic mica tape of second around package two-sided and wearing layer, the sinle silk is located insulating cover inboard, first reverse synthetic mica tape setting outside insulating cover around package two-sided, first reverse is provided with anti-interference layer around being provided with between package two-sided synthetic mica tape and the insulating cover, and anti-interference layer carries out anti-interference shielding external influence from inside, the second is reverse around the two-sided synthetic mica tape setting of package outside first reverse around the package two-sided synthetic mica tape, the wearing layer sets up at the second reverse outside around package two-sided synthetic mica tape, first reverse is provided with alkali-free glass fiber intermediate level around package two-sided synthetic mica tape and the reverse around package two-sided synthetic mica tape of second, and first reverse synthetic mica tape, the two-sided synthetic mica tape of second and alkali-free glass fiber intermediate level play fire-retardant effect around package two-sided synthetic mica tape of package, second.

Preferably, the wear-resisting layer is provided with the shielding layer with the reverse two-sided synthetic mica tape of second around the package between, and the interference to the sinle silk outside can be shielded to the shielding layer.

Preferably, the inner side of the insulating sleeve is filled with flame-retardant filler, and the flame-retardant filler is flame-retardant from the inside of the insulating sleeve, so that the fireproof flame-retardant property of the wire body can be improved.

Preferably, the wearing layer is provided with the armor in the inside, and the armor is woven by the wire net and is formed, increases the intensity of wearing layer through the armor, increases the pull resistance of wearing layer and the shielding nature of the line body simultaneously.

Preferably, the inner side of the wear-resistant layer is uniformly provided with tensile ribs, and the tensile strength of the wire body can be increased due to the tensile ribs.

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

1. the utility model discloses an anti external disturbance ability that BV line can be improved in the setting of anti-interference layer, shielding layer and armor.

2. The utility model discloses BV line can improve tensile strength through wearing layer, armor and tensile reinforcement's setting.

3. The utility model discloses a set up fire-retardant filler and can increase the fire-retardant fire behavior of BV line on first reverse synthetic mica tape of two-sided package, alkali-free glass fiber intermediate level and the reverse synthetic mica tape of two-sided package of winding of second basis.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the wear resistant layer of the present invention;

in the figure: 1 insulating cover, 2 fire-retardant filler, 3 sinle silk, 4 anti jamming layer, 5 first reverse synthetic mica tape around the package two-sided, 6 alkali-free glass fiber intermediate level, 7 second reverse synthetic mica tape around the package two-sided, 8 wearing layer, 9 armor, 10 tensile muscle, 11 shielding layer.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 and 2, a high temperature resistant fire-proof BV line is shown, including: insulating cover 1, sinle silk 3, first reverse two-sided synthetic mica tape 5 of lapping and the reverse two-sided synthetic mica tape 7 of lapping of second and wearing layer 8, sinle silk 3 is located insulating cover 1 inboard, first reverse two-sided synthetic mica tape 5 of lapping sets up in insulating cover 1 outside, first reverse two-sided synthetic mica tape 5 of lapping and insulating cover 1 between be provided with anti-interference layer 4, anti-interference layer 4 carries out anti-interference shielding external influence from inside, the reverse two-sided synthetic mica tape 7 of lapping of second sets up in first reverse two-sided synthetic mica tape 5 outside of lapping, wearing layer 8 sets up in the reverse two-sided synthetic mica tape 7 outside of lapping of second, first reverse two-sided synthetic mica tape 5 of lapping and the reverse two-sided synthetic mica tape 7 of lapping are provided with alkali-free glass fiber intermediate level 6, first reverse two-sided synthetic mica tape 5 of lapping and alkali-free glass fiber intermediate level 6 play fire-retardant effect to the second.

The wear-resisting layer 8 is provided with the shielding layer 11 with the second is reverse around being provided with between the synthetic mica tape 7 of package two-sided, and the interference to sinle silk 3 outside can be shielded to the shielding layer 11.

The inside armor 9 that is provided with of wearing layer 8, armor 9 is woven by the wire net and is formed, increases wearing layer 8's intensity through armor 9, increases wearing layer 8's pull resistance and the shielding nature of the line body simultaneously.

When this BV line is used: through anti-interference layer 4, shielding layer 11 and armor 9's setting, from inside to outside through the shielding separation of three-layer, can effectually prevent the interference that causes sinle silk 3 in the other countries.

Example 2

Referring to fig. 1 and 2, this embodiment further illustrates another embodiment of a high temperature resistant fire-proof BV wire, including: insulating cover 1, sinle silk 3, first reverse two-sided synthetic mica tape 5 of lapping and the reverse two-sided synthetic mica tape 7 of lapping of second and wearing layer 8, sinle silk 3 is located insulating cover 1 inboard, first reverse two-sided synthetic mica tape 5 of lapping sets up in insulating cover 1 outside, first reverse two-sided synthetic mica tape 5 of lapping and insulating cover 1 between be provided with anti-interference layer 4, anti-interference layer 4 carries out anti-interference shielding external influence from inside, the reverse two-sided synthetic mica tape 7 of lapping of second sets up in first reverse two-sided synthetic mica tape 5 outside of lapping, wearing layer 8 sets up in the reverse two-sided synthetic mica tape 7 outside of lapping of second, first reverse two-sided synthetic mica tape 5 of lapping and the reverse two-sided synthetic mica tape 7 of lapping are provided with alkali-free glass fiber intermediate level 6, first reverse two-sided synthetic mica tape 5 of lapping and alkali-free glass fiber intermediate level 6 play fire-retardant effect to the second.

The wear-resisting layer 8 inboard evenly is provided with tensile muscle 10, and the tensile strength of the line body can be increased in tensile muscle 10's setting.

In this embodiment, the tensile strength of BV wire can be effectively improved by the BV wire through the wear-resistant layer 8 and the armor layer 9 and the tensile rib 10 arranged inside the BV wire.

Example 3

Referring to fig. 1, this embodiment is further illustrated with respect to other embodiments, in which a high temperature resistant and fire resistant BV line includes: insulating cover 1, sinle silk 3, first reverse two-sided synthetic mica tape 5 of lapping and the reverse two-sided synthetic mica tape 7 of lapping of second and wearing layer 8, sinle silk 3 is located insulating cover 1 inboard, first reverse two-sided synthetic mica tape 5 of lapping sets up in insulating cover 1 outside, first reverse two-sided synthetic mica tape 5 of lapping and insulating cover 1 between be provided with anti-interference layer 4, anti-interference layer 4 carries out anti-interference shielding external influence from inside, the reverse two-sided synthetic mica tape 7 of lapping of second sets up in first reverse two-sided synthetic mica tape 5 outside of lapping, wearing layer 8 sets up in the reverse two-sided synthetic mica tape 7 outside of lapping of second, first reverse two-sided synthetic mica tape 5 of lapping and the reverse two-sided synthetic mica tape 7 of lapping are provided with alkali-free glass fiber intermediate level 6, first reverse two-sided synthetic mica tape 5 of lapping and alkali-free glass fiber intermediate level 6 play fire-retardant effect to the second.

The inner side of the insulating sleeve 1 is filled with the flame-retardant filler 2, the flame-retardant filler 2 is flame-retardant from the inside of the insulating sleeve 1, and the fireproof flame-retardant performance of the wire body can be improved.

In this embodiment, through filling fire-retardant filler 2 in insulating cover 1 inside can further improve the flame retardant efficiency of BV line on the basis of first reverse two-sided synthetic mica tape 5, the two-sided synthetic mica tape 7 of second reverse lapping and no alkali glass fiber intermediate layer 6.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high temperature resistant fire prevention BV line which characterized in that includes:

insulating cover (1), sinle silk (3), first reverse around package two-sided synthetic mica tape (5) and the second reverse around package two-sided synthetic mica tape (7) and wearing layer (8), sinle silk (3) are located insulating cover (1) inboard, first reverse around package two-sided synthetic mica tape (5) set up in insulating cover (1) outside, first reverse around being provided with anti-interference layer (4) between package two-sided synthetic mica tape (5) and insulating cover (1), the second reverse around package two-sided synthetic mica tape (7) set up in first reverse around package two-sided synthetic mica tape (5) outside, wearing layer (8) set up in the second reverse around package two-sided synthetic mica tape (7) outside, first reverse around package two-sided synthetic mica tape (5) and second reverse around be provided with alkali-free glass fiber intermediate level (6) between package two-sided synthetic mica tape (7).

2. The high temperature resistant fire prevention BV line of claim 1, wherein: and a shielding layer (11) is arranged between the wear-resistant layer (8) and the second reverse lapping double-sided synthetic mica tape (7).

3. The high temperature resistant fire-proof BV line recited in claim 1 wherein: the inner side of the insulating sleeve (1) is filled with flame-retardant filler (2).

4. The high temperature resistant fire prevention BV line of claim 1, wherein: and an armor layer (9) is arranged inside the wear-resistant layer (8).

5. The high temperature resistant fire-proof BV line recited in claim 1 wherein: the inner side of the wear-resistant layer (8) is uniformly provided with tensile ribs (10).