CN213277533U

CN213277533U - Flame-retardant high-temperature-resistant polyvinyl chloride insulated control cable

Info

Publication number: CN213277533U
Application number: CN202022324567.8U
Authority: CN
Inventors: 孙峰
Original assignee: Jiangsu Jinfeng Special Cable Co ltd
Current assignee: Jiangsu Jinfeng Special Cable Co ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-05-25
Anticipated expiration: 2030-10-19

Abstract

The utility model discloses a flame-retardant high-temperature-resistant polyvinyl chloride insulation control cable, which comprises a copper wire core, a polyvinyl chloride insulation sleeve, a film layer, a tinned copper wire braid, a flame-retardant high-temperature-resistant polyvinyl chloride sheath, an anti-digging line and a groove, wherein the groove is arranged at the position of every meter of the cable, the anti-digging line is correspondingly arranged inside the groove, and fluorescent powder is arranged inside the anti-digging line, so that when the cable is buried, the anti-digging line is pre-buried around the cable, therefore, when the cable is accidentally dug to the later stage, the anti-digging line is dug firstly, the cable can be pre-dug in advance, the digging can be stopped, the cable can be better protected, and the fluorescent powder is arranged inside the anti-digging line, therefore, when the cable is dug under the condition of poor light at night, the fluorescent powder can also send out a fluorescent early warning, the service performance of the flame-retardant high-temperature-resistant polyvinyl chloride insulated control cable is improved.

Description

Flame-retardant high-temperature-resistant polyvinyl chloride insulated control cable

Technical Field

The utility model belongs to the technical field of the cable is relevant, concretely relates to fire-retardant high temperature resistant polyvinyl chloride insulated control cable.

Background

A cable is a power or signal transmission device, and is generally composed of several wires or groups of wires.

The existing flame-retardant high-temperature-resistant polyvinyl chloride insulated control cable technology has the following problems: when the existing flame-retardant high-temperature-resistant polyvinyl chloride insulated control cable is pre-buried for use, the cable is easy to be dug accidentally and then is broken accidentally, so that the normal use of the flame-retardant high-temperature-resistant polyvinyl chloride insulated control cable is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fire-retardant high temperature resistant polyvinyl chloride insulated control cable to solve the fire-retardant high temperature resistant polyvinyl chloride insulated control cable that provides in the above-mentioned background art when pre-buried use, easily by unexpected excavation, then cause the accident to dig absolutely, thereby will influence the problem of fire-retardant high temperature resistant polyvinyl chloride insulated control cable normal use.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a fire-retardant high temperature resistant polyvinyl chloride insulation control cable, includes copper wire sinle silk, polyvinyl chloride insulation cover, thin layer, tinned copper wire braid over braid, fire-retardant high temperature resistant polyvinyl chloride sheath, prevents digging lines and recess, the outside of fire-retardant high temperature resistant polyvinyl chloride sheath is provided with the recess in position department all around, the inside of recess is provided with prevents digging lines, the inside of fire-retardant high temperature resistant polyvinyl chloride sheath is provided with the tinned copper wire braid over braid, the inside of tinned copper wire braid over braid is provided with the thin layer, the inside of thin layer is provided with the polyvinyl chloride insulation cover, the inside of polyvinyl chloride insulation cover is provided with the copper wire sinle silk.

Preferably, the number of the polyvinyl chloride insulating sleeves is three, the three polyvinyl chloride insulating sleeves are all installed and fixed at the inner position of the thin film layer, copper wire cores are correspondingly arranged inside the polyvinyl chloride insulating sleeves, and the number of the copper wire cores is three.

Preferably, the flame-retardant high-temperature-resistant polyvinyl chloride sheath, the tinned copper wire braid strip and the thin film layer are all of hollow cylinder structures, the inner diameter of the flame-retardant high-temperature-resistant polyvinyl chloride sheath is equal to the outer diameter of the tinned copper wire braid strip, and the inner diameter of the tinned copper wire braid strip is equal to the outer diameter of the thin film layer.

Preferably, the number of the grooves is three, and the three grooves are embedded in the position of the periphery of the outer portion of the flame-retardant high-temperature-resistant polyvinyl chloride sheath.

Preferably, the length of the excavation preventing line is thirty centimeters, and fluorescent powder is arranged inside the excavation preventing line.

Preferably, the flame-retardant high-temperature-resistant polyvinyl chloride sheath is provided with grooves at every other position of one meter, and digging-preventing lines are correspondingly arranged inside the grooves.

Compared with the prior art, the utility model provides a fire-retardant high temperature resistant polyvinyl chloride insulated control cable possesses following beneficial effect:

the utility model is provided with grooves at the position of every meter of the flame-retardant high-temperature resistant polyvinyl chloride insulated control cable, the anti-digging lines are correspondingly arranged inside the grooves, and the fluorescent powder is arranged inside the anti-digging lines, so that when the flame-retardant high-temperature resistant polyvinyl chloride insulated control cable is buried, the anti-digging strips can be pulled out from the inside of the grooves, and then the anti-digging strips are pre-buried around the flame-retardant high-temperature resistant polyvinyl chloride insulated control cable, therefore, when the position of the flame-retardant high-temperature resistant polyvinyl chloride insulated control cable is dug by accident in the later period, the anti-digging strips can be dug firstly, thus the digging of the flame-retardant high-temperature resistant polyvinyl chloride insulated control cable can be predicted in advance, the digging can be stopped, the flame-retardant high-temperature resistant polyvinyl chloride insulated control cable can be better protected, and the fluorescent powder is arranged inside the anti-digging strips, therefore, when the cable is excavated under the condition of poor light at night, the fluorescent powder can also give out fluorescent early warning, and the service performance of the flame-retardant high-temperature-resistant polyvinyl chloride insulated control cable is improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic view of a main structure of a flame-retardant high-temperature-resistant polyvinyl chloride insulated control cable provided by the utility model;

fig. 2 is a schematic view of the internal structure of a flame-retardant high-temperature-resistant polyvinyl chloride insulated control cable provided by the utility model;

fig. 3 is a schematic view of an opening structure of an anti-digging line of the flame-retardant high-temperature-resistant polyvinyl chloride insulated control cable provided by the utility model;

in the figure: 1. a copper wire core; 2. a polyvinyl chloride insulating sleeve; 3. a thin film layer; 4. a tinned copper wire braided belt; 5. flame-retardant high-temperature-resistant polyvinyl chloride sheath; 6. digging prevention lines; 7. and (4) a groove.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution:

a flame-retardant high-temperature-resistant polyvinyl chloride insulated control cable comprises a copper wire core 1, a polyvinyl chloride insulating sleeve 2, a film layer 3, a tinned copper wire braid 4, a flame-retardant high-temperature-resistant polyvinyl chloride sheath 5, anti-digging lines 6 and grooves 7, wherein the periphery of the outer part of the flame-retardant high-temperature-resistant polyvinyl chloride sheath 5 is provided with the grooves 7, the grooves 7 are three in number, the three grooves 7 are embedded in the periphery of the outer part of the flame-retardant high-temperature-resistant polyvinyl chloride sheath 5, the grooves 7 are arranged in the grooves 7, the anti-digging lines 6 are correspondingly arranged in the grooves 7 at intervals of one meter, the length of each anti-digging line 6 is thirty centimeters, fluorescent powder is arranged in each anti-digging line 6, the tinned copper wire braid 4 is arranged in each flame-retardant high-temperature-resistant polyvinyl chloride sheath 5, the inside of tinned copper wire braid 4 is provided with thin layer 3, the inside of thin layer 3 is provided with polyvinyl chloride insulating cover 2, fire-retardant high temperature resistant polyvinyl chloride sheath 5, tinned copper wire braid 4, thin layer 3 all is a hollow cylinder structure, the internal diameter of fire-retardant high temperature resistant polyvinyl chloride sheath 5 equals the external diameter of tinned copper wire braid 4, the internal diameter of tinned copper wire braid 4 equals the external diameter of thin layer 3, polyvinyl chloride insulating cover 2 is provided with threely altogether, and the inside position department at thin layer 3 is all fixed in the installation of three polyvinyl chloride insulating cover 2, the inside correspondence of polyvinyl chloride insulating cover 2 is provided with copper wire sinle silk 1, copper wire sinle silk 1 is provided with threely equally, the inside of polyvinyl chloride insulating cover 2 is provided with copper wire sinle.

The utility model discloses a theory of operation and use flow: after the utility model is installed, when the flame-retardant high temperature resistant polyvinyl chloride insulated control cable is needed, the flame-retardant high temperature resistant polyvinyl chloride insulated control cable can be pre-buried underground, then the two ends of the flame-retardant high temperature resistant polyvinyl chloride insulated control cable are respectively connected with the control equipment, at the moment, the flame-retardant high temperature resistant polyvinyl chloride insulated control cable can be normally used, the grooves 7 are arranged at the positions of every meter of the flame-retardant high temperature resistant polyvinyl chloride insulated control cable, the digging-proof lines 6 are correspondingly arranged inside the grooves 7, the fluorescent powder is arranged inside the digging-proof lines 6, thus when the flame-retardant high temperature resistant polyvinyl chloride insulated control cable is buried, the digging-proof bars can be buckled out from the inside of the grooves 7, and then the digging-proof bars are pre-buried around the flame-retardant high temperature resistant polyvinyl chloride insulated control cable, when the position of the flame-retardant high-temperature-resistant polyvinyl chloride insulated control cable is dug in a later period in an accident manner, the anti-digging strip is dug firstly, so that the condition that the flame-retardant high-temperature-resistant polyvinyl chloride insulated control cable is dug can be predicted in advance, and therefore the digging can be stopped, so that the flame-retardant high-temperature-resistant polyvinyl chloride insulated control cable can be better protected, and fluorescent powder is arranged in the anti-digging strip, so that when the cable is dug under the condition of poor light at night, the fluorescent powder can also send out fluorescent early warning.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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. The utility model provides a fire-retardant high temperature resistant polyvinyl chloride insulated control cable, includes copper wire sinle silk (1), polyvinyl chloride insulation cover (2), thin layer (3), tinned copper wire braid over braid (4), fire-retardant high temperature resistant polyvinyl chloride sheath (5), prevents digging lines (6) and recess (7), its characterized in that: the utility model discloses a fire-retardant high temperature resistant polyvinyl chloride protective sheath, including fire-retardant high temperature resistant polyvinyl chloride sheath (5), the outside position department all around of recess (7) is provided with recess (7), the inside of recess (7) is provided with prevents digging lines (6), the inside of fire-retardant high temperature resistant polyvinyl chloride protective sheath (5) is provided with tinned copper wire braid over braid (4), the inside of tinned copper wire braid over braid (4) is provided with thin layer (3), the inside of thin layer (3) is provided with polyvinyl chloride insulation cover (2), the inside of polyvinyl chloride insulation cover (2) is provided with copper wire sinle silk (1).

2. The flame-retardant high-temperature-resistant polyvinyl chloride insulated control cable according to claim 1, characterized in that: polyvinyl chloride insulating cover (2) are provided with threely altogether, and three polyvinyl chloride insulating cover (2) are all installed and are fixed in the inside position department of thin layer (3), the inside correspondence of polyvinyl chloride insulating cover (2) is provided with copper wire sinle silk (1), copper wire sinle silk (1) is provided with threely equally.

3. The flame-retardant high-temperature-resistant polyvinyl chloride insulated control cable according to claim 1, characterized in that: the flame-retardant high-temperature-resistant polyvinyl chloride sheath (5), the tinned copper wire braid strip (4) and the thin film layer (3) are all of a hollow cylinder structure, the inner diameter of the flame-retardant high-temperature-resistant polyvinyl chloride sheath (5) is equal to the outer diameter of the tinned copper wire braid strip (4), and the inner diameter of the tinned copper wire braid strip (4) is equal to the outer diameter of the thin film layer (3).

4. The flame-retardant high-temperature-resistant polyvinyl chloride insulated control cable according to claim 1, characterized in that: the number of the grooves (7) is three, and the three grooves (7) are embedded in the position of the periphery of the outer portion of the flame-retardant high-temperature-resistant polyvinyl chloride sheath (5).

5. The flame-retardant high-temperature-resistant polyvinyl chloride insulated control cable according to claim 1, characterized in that: the length of the digging-preventing line (6) is thirty centimeters, and fluorescent powder is arranged inside the digging-preventing line (6).

6. The flame-retardant high-temperature-resistant polyvinyl chloride insulated control cable according to claim 1, characterized in that: every other one meter position of fire-retardant high temperature resistant polyvinyl chloride sheath (5) all is provided with recess (7), the inside of recess (7) corresponds is provided with prevents digging line (6).