Heat-resistant composite low-voltage cable

Abstract

The utility model relates to the technical field of optical fiber composite low-voltage cables, in particular to a heat-resistant composite low-voltage cable, which comprises a photoelectric unit and a conductor, the surface of the photoelectric unit is wrapped with a double-sided plastic steel belt, the surface of the conductor is wrapped with an insulating layer, and the surface of the insulating layer is fixedly sleeved with a rubber layer. And a steel wire is arranged in the rubber layer. According to the composite low-voltage cable, through cooperation of the polytetrafluoroethylene layer, the aluminum foil mylar layer and the fiber ointment, three layers of corrosion-resistant structures are designed from inside to outside, so that the corrosion resistance of the surface of the composite low-voltage cable can be improved, the composite low-voltage cable is not easy to corrode, and the applicability of the composite low-voltage cable is improved; the completeness of the photoelectric unit is improved and the strength is enhanced by the double-sided plastic steel belt, the sheath layer integrates the functions of friction prevention, interference reduction and high temperature resistance improvement, damage in the use process is avoided, and the quality of the cable is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to optical fiber composite low voltage cable technical field, concretely is a heat -resisting type composite low voltage cable. BACKGROUND

[0002] With the need of today's social development, cable as single function already can not satisfy the demand of resident, with the continuous improvement of social information degree, intelligent equipment gradually goes to the people's home, this requires cable not only has super strong power transmission capacity, and still requires more information mission.

[0003] Through the search, the announcement No. CN207397792U, the name is a heat -resisting type expandable optical fiber composite low voltage cable, including photoelectric unit, at least 1 ground wire core conductor, 3 power line core conductor, control line core conductor and reserved optical channel, through research and analysis find, although the cable has improved the temperature resistance level of composite cable optical unit sheath and delayed temperature conduction time, realized the multi -network fusion function etc., but, to a certain extent, there is still the following shortcomings;

[0004] Such as: composite low voltage cable can mostly carry out simple high temperature resistance to the outside, the external protection measure coefficient is low, lead to composite low voltage cable in the mobile use process is easy to be affected by the environment, cause the surface to be easy to produce the wear and tear phenomenon, and the surface corrosion resistance is general, when meeting chemical liquid, the surface of the water belt is easy to produce corrosion phenomenon, easy to influence the internal performance, and thus reduce the applicability of composite low voltage cable, in order to solve the above technical problems, for this we design a kind of heat -resisting type composite low voltage cable to solve the above problems it is necessary. UTILITY MODEL CONTENTS

[0005] The utility model discloses a heat -resisting type composite low voltage cable has the advantages of strong corrosion resistance and external protection, solves the problem of poor corrosion resistance and low external protection of composite low voltage cable during use.

[0006] To achieve the above object, the utility model provides the following technical scheme: a heat -resisting type composite low voltage cable, including photoelectric unit and conductor, the surface of photoelectric unit is wrapped with double -sided plastic steel band, the surface of conductor is wrapped with insulating layer, the surface of insulating layer is fixedly provided with rubber layer, the inside of rubber layer is provided with steel wire, the surface of rubber layer is fixedly provided with corrosion -resistant layer, the surface of corrosion -resistant layer is wrapped with sheath layer, the corrosion -resistant layer includes polytetrafluoroethylene layer, the surface of polytetrafluoroethylene layer is fixedly provided with aluminum foil mela layer.

[0007] Preferably, the inner cavity of the rubber layer is filled with fiber oil paste, and the surface of the fiber oil paste is in contact with the double-sided plastic steel band and the insulating layer, respectively.

[0008] Preferably, the sheath layer comprises a shielding layer, a surface of the shielding layer is wrapped with a heat-resistant layer, and a surface of the heat-resistant layer is wrapped with a wear-resistant layer.

[0009] Preferably, the shielding layer is made of a hot-melt polyester tape, the heat-resistant layer is made of a polyurethane hard foam, and the wear-resistant layer is made of a carbide wear-resistant material.

[0010] Preferably, a surface of the rubber layer is fixedly connected with an inner wall of a polytetrafluoroethylene layer, and a surface of the aluminum foil Mylar layer is fixedly connected with an inner wall of the shielding layer.

[0011] Preferably, the polytetrafluoroethylene layer is made of polytetrafluoroethylene, and the aluminum foil Mylar layer is made of an aluminum foil Mylar.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1、 the utility model discloses a polytetrafluoroethylene layer, aluminum foil Mylar layer and the cooperation of the thin oil paste, from inside to outside design three layer corrosion -resistant structure, can increase the corrosion -resistant performance of composite low -voltage cable surface, make it not easy to have corrosion phenomenon, improved the applicability of composite low -voltage cable.

[0014] 2、 the utility model discloses the cooperation of double -sided plastic steel strip and sheath layer, and double -sided plastic steel strip improves the integrity of photoelectric unit and increases the strength, and the sheath layer gathers the anti -wear and -tear, reduces the interference and the high temperature resistance improvement, avoids the breakage in the process of using, improves the quality of cable. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the three-dimensional schematic diagram of the utility model;

[0016] Figure 2 It is the sheath layer cross section three-dimensional schematic diagram of the utility model;

[0017] Figure 3 It is the corrosion -resistant layer cross section three-dimensional schematic diagram of the utility model.

[0018] In the drawing: 1, photoelectric unit;2, conductor;3, double -sided plastic steel strip;4, insulating layer;5, rubber layer;6, steel wire;7, corrosion -resistant layer;8, sheath layer;9, polytetrafluoroethylene layer;10, aluminum foil Mylar layer;11, thin oil paste;12, shielding layer;13, heat-resistant layer;14, wear-resistant layer. DETAILED DESCRIPTION

[0019] Please refer to Figures 1-3The utility model provides a kind of heat-resistant composite low-voltage cable, including photoelectric unit 1 and conductor 2, the surface of photoelectric unit 1 is wrapped with double-sided plastic steel tape 3, the surface of conductor 2 is wrapped with insulating layer 4, the surface of insulating layer 4 is fixedly sleeved with rubber layer 5, the inside of rubber layer 5 is provided with steel wire 6, the surface of rubber layer 5 is fixedly sleeved with corrosion-resistant layer 7, the surface of corrosion-resistant layer 7 is wrapped with sheath layer 8, corrosion-resistant layer 7 includes polytetrafluoroethylene layer 9, the surface of polytetrafluoroethylene layer 9 is fixedly sleeved with aluminum foil Mylar layer 10.

[0020] Please refer to Figure 1 The inner cavity of rubber layer 5 is filled with fibre oil paste 11, by setting fibre oil paste 11, the voids inside the cable and the connecting interface can be effectively filled, a protective film is formed, which can maintain a dry environment inside the cable for a long time, and the service life of the cable is prolonged, and the surface of fibre oil paste 11 is in contact with double-sided plastic steel tape 3 and insulating layer 4 respectively.

[0021] Please refer to Figure 2 Sheath layer 8 includes shielding layer 12, the surface of shielding layer 12 is wrapped with heat-resistant layer 13, the surface of heat-resistant layer 13 is wrapped with wear-resistant layer 14, by setting wear-resistant layer 14, the cable is protected from damage from the external environment, and cracks and damage are not easy to occur after repeated use, so that the long-term stability and reliability of the cable are ensured.

[0022] Please refer to Figure 2 The material of shielding layer 12 is hot melt polyester tape, the material of heat-resistant layer 13 is polyurethane hard foam, and the material of wear-resistant layer 14 is carbide wear-resistant material.

[0023] Please refer to Figure 1 、 Figure 2 And Figure 3 The surface of rubber layer 5 is fixedly connected with the inner wall of polytetrafluoroethylene layer 9, and the surface of aluminum foil Mylar layer 10 is fixedly connected with the inner wall of shielding layer 12, by setting aluminum foil Mylar layer 10, excellent corrosion resistance, anti-interference, high temperature resistant, fire resistant and anti-aging.

[0024] Please refer to Figure 3 The material of polytetrafluoroethylene layer 9 is polytetrafluoroethylene, by setting polytetrafluoroethylene layer 9, electrical insulation performance, can resist the erosion and oxidation of most chemical substances, not easy to age and deteriorate, and the material of aluminum foil Mylar layer 10 is aluminum foil Mylar.

[0025] In use, the double-sided plastic steel belt 3 has strong tensile strength and compression resistance to form a protective film for the photoelectric unit 1, the insulation layer 4 is arranged to ensure the electrical safety of the entire system of the conductor 2, the thin oil paste 11 improves the internal water resistance of the composite low-voltage cable, thereby protecting it from moisture, the polytetrafluoroethylene layer 9 and the aluminum foil Mylar layer 10 are arranged to increase the corrosion resistance of the outer part of the composite low-voltage cable, avoiding damage when contacting corrosive substances, and the shielding layer 12 and the heat-resistant layer 13 can work stably for a long time within a temperature range and maintain stable transmission performance.

[0026] In summary: The heat-resistant composite low-voltage cable solves the problems of poor corrosion resistance and low external protection coefficient of the composite low-voltage cable during use by the cooperation of the photoelectric unit 1, the conductor 2, the double-sided plastic steel belt 3, the insulation layer 4, the rubber layer 5, the steel wire 6, the corrosion-resistant layer 7, and the sheath layer 8.

Claims

1. A heat-resistant composite low-voltage cable comprising an optoelectronic unit (1) and a conductor (2), characterized in that: The surface of the photoelectric unit (1) is wrapped with double-sided plastic steel tape (3), the surface of the conductor (2) is wrapped with an insulation layer (4), the surface of the insulation layer (4) is fixedly sleeved with a rubber layer (5), the inside of the rubber layer (5) is provided with a steel wire (6), the surface of the rubber layer (5) is fixedly sleeved with a corrosion-resistant layer (7), the surface of the corrosion-resistant layer (7) is wrapped with a sheath layer (8), the corrosion-resistant layer (7) comprises a polytetrafluoroethylene layer (9), and the surface of the polytetrafluoroethylene layer (9) is fixedly sleeved with an aluminum foil Mylar layer (10).

2. A heat resistant composite low voltage cable according to claim 1, characterized in that: The inner cavity of the rubber layer (5) is filled with a fiber oil paste (11), and the surface of the fiber oil paste (11) is respectively in contact with the double-sided plastic steel tape (3) and the insulation layer (4).

3. A heat resistant composite low voltage cable as claimed in claim 1, wherein: The sheath layer (8) comprises a shielding layer (12), the surface of the shielding layer (12) is wrapped with a heat-resistant layer (13), and the surface of the heat-resistant layer (13) is wrapped with a wear-resistant layer (14).

4. A heat resistant composite low voltage cable according to claim 3, characterized in that: The material of the shielding layer (12) is a hot melt polyester tape, the material of the heat-resistant layer (13) is a polyurethane hard foam, and the material of the wear-resistant layer (14) is a carbide wear-resistant material.

5. A heat resistant composite low voltage cable as claimed in claim 1, wherein: The surface of the rubber layer (5) is fixedly connected with the inner wall of the polytetrafluoroethylene layer (9), and the surface of the aluminum foil Mylar layer (10) is fixedly connected with the inner wall of the shielding layer (12).

6. A heat resistant composite low voltage cable according to claim 1, characterized in that: The material of the polytetrafluoroethylene layer (9) is polytetrafluoroethylene, and the material of the aluminum foil Mylar layer (10) is aluminum foil Mylar.

Images