SUMMERY OF THE UTILITY MODEL
The present application provides a visual temperature-dependent safety cable for solving the above technical problems.
The application provides a visual temperature becomes safe cable includes: a temperature-sensing color-changing elastic material layer, an outer sheath, indicator strips arranged in pairs, a steel belt protective layer, an inner sheath layer, a cable belting layer, a filler layer, a lead unit, a plurality of interface glass fiber reinforced plastic strips, a plurality of heat insulation strips and an optical fiber transmission unit,
a plurality of interface glass fiber reinforced plastic strips and a plurality of heat insulation strips are arranged on a central symmetry axis of the cross section of the cable at intervals, the interface glass fiber reinforced plastic strips and the heat insulation strips are alternately arranged on the central symmetry axis of the cable, and the cable is divided into an optical fiber transmission unit and a lead unit;
a plurality of lead assemblies are arranged in the lead unit at intervals; a plurality of optical fiber components are arranged in the optical fiber transmission unit at intervals; a filling material layer is filled between the optical fiber transmission unit and the lead unit;
the inner wall of the cable is wrapped with a cable wrapping tape layer, the cable wrapping tape layer is wrapped with an inner sheath layer, and the inner sheath layer is wrapped with a steel belt protective layer; an outer sheath is wrapped outside the steel belt protective layer; the outer sheath is wrapped with a temperature-sensitive color-changing elastomer material layer; the opposite end surfaces of the central symmetry axis of the cross section of the cable are symmetrically provided with indicating strips;
the cross section diameter of the interface glass fiber reinforced plastic strip is smaller than that of the heat insulation strip.
Preferably, the method comprises the following steps: the wire guiding device comprises a first row of wire guiding assemblies and a second row of wire guiding assemblies, wherein the first row of wire guiding assemblies are arranged at intervals; the second row of wire assemblies is arranged opposite to the first row of wire assemblies at intervals.
Preferably, the wire assembly comprises: the lead comprises a lead body, an insulating material layer and a heat insulation layer, wherein the outer wall of the lead body is coated with the insulating material layer, and the outer wall of the insulating material layer is coated with the heat insulation layer.
Preferably, the method comprises the following steps: and the peripheral glass fiber reinforced plastic strips are arranged in the cable wrapping tape layer at intervals along the circumferential direction of the optical fiber transmission unit area.
Preferably, the optical fiber assembly includes: many optic fibre sinle silk, first optic fibre parcel layer, the parcel sets up first optic fibre parcel layer on the optic fibre sinle silk outer wall.
Preferably, the method comprises the following steps: and the second optical fiber wrapping layer is wrapped on the outer walls of the optical fiber cores.
The beneficial effects that this application can produce include:
1) the application provides a visual temperature becomes safety cable, through setting up the temperature sensing elastomer material layer that discolours at the outmost of cable, the situation that the cable generates heat is monitored to the be convenient for when the operation to improve the security when the cable operation and the life of extension cable, especially can monitor optical fiber transmission unit's operational environment and temperature, avoid the heat that the wire is electrically conductive to produce too high to lead to optic fibre additional attenuation to increase, improve optic fibre result of use and life.
2) The application provides a visual temperature becomes safe cable, the cable can be under the condition that satisfies national and industry standard the condition of generating heat when realizing monitoring the cable operation to bring safety monitoring's facility for using the cable.
3) The utility model provides a visual temperature becomes safety cable, through setting up the wire unit in one side of cable, set up the optical fiber transmission unit in the opposite side of cable, and interval sets up a plurality of thermal insulation material ropes and protective strip in turn on the adjacent interface of the two, the cross section diameter of thermal insulation material rope is greater than protective strip cross section diameter, when the cable receives the bending force, the buffering of thermal insulation material rope is received at first to the power of wire unit side direction optical fiber transmission unit conduction, continue to strengthen the back, optical fiber transmission unit can obtain the protection of protective strip, thereby reduce the influence of external mechanical force to optical fiber transmission unit, effectively prolong optical fiber transmission unit's life, improve the safety in utilization. Meanwhile, the insulating material layer is coated outside the insulating layer on the outer side wall of the lead, so that the heat generated by the lead can be reduced to be conducted towards the optical fiber unit, the use environment temperature of the optical fiber transmission unit is effectively reduced, meanwhile, the temperature-variable color elastic material layer arranged on the outer layer is coated, the temperature of the area of the optical fiber transmission unit can be indicated in real time, and the condition that the transmission of communication signals is influenced due to the fact that the temperature of the area of the optical fiber transmission unit exceeds the standard is avoided.
4) The application provides a visual temperature becomes safe cable sets up a plurality of protection strips through mutual interval in optical fiber transmission unit outside circumference, does not influence the outward heat dissipation of optical fiber transmission unit on the one hand and can realize providing the support protection to many fiber optic cables that set up in the optical fiber transmission unit through the protection strip simultaneously, reduces mechanical action force direct action on optical fiber transmission unit, reduces the damage of external force to optical fiber transmission band unit in the installation.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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 present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which the products of the present invention are conventionally placed in use, or the position or positional relationship which the skilled person conventionally understand, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the reference is made must have a specific position, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable 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 application provides a visual temperature change safety cable, includes: a temperature-sensing color-changing elastomer material layer 101, an outer sheath 10, indicator strips 102 arranged in pairs, a flame-retardant material layer 11, an inner sheath layer 12, a cable wrapping layer 13, a filler layer 15, a lead unit 16, a plurality of interface glass fiber reinforced plastic strips 21, a plurality of heat insulation strips 22 and an optical fiber transmission unit 23,
a plurality of interface glass fiber reinforced plastic strips 21 and a plurality of heat insulation strips 22 are arranged on the central symmetry axis of the cross section of the cable at intervals, the interface glass fiber reinforced plastic strips 21 and the heat insulation strips 22 are alternately arranged on the central symmetry axis of the cable, and the cable is divided into an optical fiber transmission unit 23 and a lead unit 16;
a plurality of lead assemblies are arranged in the lead unit 16 at intervals; a plurality of optical fiber components are arranged in the optical fiber transmission unit 23 at intervals; a filler layer 15 is filled between the optical fiber transmission unit 23 and the wire unit 16;
the inner wall of the cable is wrapped with a cable wrapping layer 13, the cable wrapping layer 13 is wrapped with an inner sheath layer 12, and the inner sheath layer 12 is wrapped with a flame retardant material layer 11; the flame retardant material layer 11 is wrapped with an outer sheath 10; the outer sheath 10 is wrapped with a temperature-sensitive color-changing elastomer material layer 101; the indication strips 102 are symmetrically arranged on the opposite end surfaces of the central symmetry axis of the cross section of the cable, and the indication strips 102 are embedded in the temperature-sensitive color-changing elastomer material layer 101;
the cross-sectional diameter of the interfacial fiberglass reinforced plastic strip 21 is smaller than the cross-sectional diameter of the insulating strip 22.
Through interval, setting up protection strip and heat insulating strip 22 in turn on the cable cross section central symmetry axis, on the one hand can form thermal-insulated interface between optical fiber unit and wire unit 16, can also utilize heat insulating strip 22 material diameter to be greater than the protection strip simultaneously, when optical fiber unit bore mechanical action force, heat insulating strip 22 can cushion partial effort, if mechanical force continues to strengthen the back, then accessible protection strip realizes protecting optic fibre, reduces the damage of mechanical action force to optic fibre, improve the reliability of use, improve the simple installation nature.
Through setting up flame retardant material layer 11, can improve the reliability of cable in removing the use, avoid because dangerous situations such as spontaneous combustion are aroused to too high temperature.
The filler layer 15 used in the cable is a filler commonly used in the conventional oplc type cables, and will not be described herein. According to the arrangement, the number of optical fibers in the cable can be increased, the communication transmission efficiency is improved, the adverse effect of the heat transmitted by the electrified conducting wire on the optical fibers is reduced, and the additional attenuation of the optical fibers is effectively kept at a lower level.
The temperature-changing material layer is arranged on the outer wall of the cable, and the position of the heat insulation interface is indicated through the arranged indication strip 102, so that the color-changing result obtained by observation is convenient to determine to correspond to a specific unit, and the accuracy and effectiveness of the detection result of the optical fiber unit are improved. This cable is for removing the use, can audio-visually see the cable temperature change through the change of electric wire crust to confirm the cable temperature condition, the user of being convenient for observes the cable temperature change in the use, improves safety in utilization and control reliability.
Preferably, the method comprises the following steps: the wire guiding device comprises a first row of wire guiding assemblies and a second row of wire guiding assemblies, wherein the first row of wire guiding assemblies are arranged at intervals; the second row of wire assemblies is arranged opposite to the first row of wire assemblies at intervals.
Arranging the lead assemblies in this manner increases the number of lead assemblies disposed within the lead unit 16 while enlarging the spacing between adjacent lead assemblies and reducing electromagnetic interference therebetween.
Preferably, the wire assembly comprises: the lead body 163, the insulating material layer 161, and the heat insulating layer 162, the outer wall of the lead body 163 is covered with the insulating material layer 161, and the outer wall of the insulating material layer 161 is covered with the heat insulating layer 162. The thermal insulation material layer can reduce the heat generated by the single conductor 163 from being transmitted to the outside, thereby reducing the influence of the temperature rise on the optical fiber.
Preferably, the method comprises the following steps: and a plurality of peripheral glass fiber reinforced plastic strips 211, wherein the peripheral glass fiber reinforced plastic strips 211 are arranged in the cable wrapping layer 13 at intervals along the circumferential direction of the optical fiber transmission unit 23 area. The reinforced plastic strips are arranged outside the area of the optical fiber transmission unit 23 in a wrapping mode, so that the influence of mechanical force on the optical fiber on the cable on the side of the optical fiber transmission unit 23 can be reduced. The protection comprehensiveness of the optical fiber core material is improved.
Preferably, the optical fiber assembly includes: the optical fiber cable comprises a plurality of optical fiber cable cores 233 and a first optical fiber wrapping layer 231, wherein the first optical fiber wrapping layer 231 is wrapped on the outer wall of each optical fiber cable core 233; the optical fiber core 233 is accommodated in a mounting hole provided in the optical fiber transmission unit 23. According to the arrangement, the optical fiber core material can be effectively protected, and the use safety is improved.
Preferably, the method comprises the following steps: a second fiber wrapping layer 232; a plurality of optical fiber cores 233 are accommodated in the second optical fiber wrapping layer 232; second optical fiber wrapping layer 232 is wrapped on the outer walls of the plurality of optical fiber cores 233. The protection effect on the optical fiber core material can be improved by arranging the second optical fiber wrapping layer 232, and the use safety is improved.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.