CN203118542U - Heatproof flame-retardant cable - Google Patents

Abstract

The utility model discloses a heat-resistant and flame-retardant cable, which includes a conductor, and an insulating layer, a filling layer, and a sheath layer are sequentially arranged outside the conductor, and the filling layer is filled with high-temperature glass filaments. The utility model provides A temperature-resistant and flame-retardant cable with a high temperature-resistant grade, which can adapt to different harsh environments, helps to maintain the excellent insulation performance of the cable, enhances the accuracy of signal transmission, and enhances the flame-retardant insulation ability during use. It ensures that the cable will not cause fire during use, and effectively improves the normal operation of the cable in a high temperature environment.

Description

A heat-resistant flame-retardant cable

technical field

The utility model relates to the technical field of cables, in particular to a temperature-resistant and flame-retardant cable. the

Background technique

The use environment of the cable is very special and harsh. High temperature, high cold, various corrosion and strong electromagnetic interference will greatly damage the cable. If the electrical conductivity of the cable is not good, the cable transmission signal will be disturbed during the process of power transmission, and equipment production Delay, if the insulation of the cable is not stable, there may be a great disaster, and even serious damage to personnel and property. the

Contents of the invention

The purpose of this utility model is to provide a kind of heat-resistant and flame-retardant cable, which effectively solves the functions of high temperature resistance, flame retardancy and insulation in the use process, ensures the service life of the cable in high temperature environment, and is beneficial to maintain the life of the cable. Excellent insulation performance, which solves the problem of cable transmission signal disorder during use. the

In order to achieve the above-mentioned purpose, the technical scheme proposed by this utility model is:

A heat-resistant and flame-retardant cable includes a conductor, and an insulating layer, a filling layer, and a sheath layer are sequentially arranged outside the conductor, and the filling layer is filled with high-temperature glass filaments.

As a further improved heat-resistant and flame-retardant cable of the utility model, the conductor is a soft conductor of tin-plated copper wire or a soft conductor of nickel-plated copper wire, which is bundled and twisted in the same direction. The rate is very small, the current-carrying capacity of the cable with the same cross-section is large, and the temperature resistance level is very high. the

As a heat-resistant and flame-retardant cable further improved by the utility model, the insulating layer adopts a compound composite structure, which is sequentially composed of mica tape, rubberized glass fiber tape, ceramic heat-resistant silicone rubber, mica tape, and rubberized glass fiber tape. The composition is conducive to maintaining the excellent insulation performance of the cable, and effectively solves the problem of signal transmission disorder in the practical process. The ceramicized tensile silicone rubber insulation layer can be used continuously in a high temperature environment above 500 ° C, which prolongs the service life of the cable. useful life of the cable. the

The temperature-resistant and flame-retardant cable provided by the utility model has a high temperature-resistant grade, can adapt to different harsh environments, is beneficial to maintain the excellent insulation performance of the cable, enhances the accuracy of signal transmission, and enhances the resistance during use. Combustible insulation ability, while ensuring that the cable will not cause fire during use, effectively improving the normal work of the cable in a high temperature environment. the

Description of drawings

Figure 1, a schematic diagram of a three-dimensional structure of a temperature-resistant flame-retardant cable;

Fig. 2, a schematic diagram of the insulation layer structure in a temperature-resistant and flame-retardant cable.

1 is conductor, 2 is insulation, 3 is filling layer, 4 is sheath layer, 5 is mica tape, 6 is rubberized glass fiber tape, 7 is ceramic heat-resistant silicone rubber, 8 is mica tape, and 9 is glue coating Fiberglass tape. the

Detailed ways

In order to deepen the understanding of the utility model, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments, which are only used to explain the utility model, and do not constitute a limitation to the protection scope of the utility model. the

As shown in Figure 1, a heat-resistant and flame-retardant cable provided by this embodiment includes a conductor 1, and an insulating layer 2, a filling layer 3, and a sheath layer 4 are sequentially arranged outside the conductor 1, and the filling layer 3 is high-temperature glass filament as filling, and the conductor 1 is a soft conductor of tinned copper wire or nickel-plated copper wire, which is bundled or re-twisted in the same direction. The current-carrying capacity is large, and the temperature resistance level is very high. The high flexibility of the conductor is ensured by the same way of bundling and multi-twisting. The insulating layer 2 adopts a composite composite structure, which is sequentially composed of mica tape, rubberized glass fiber tape, Composed of ceramic heat-resistant silicone rubber, mica tape, and rubber-coated glass fiber tape, it is beneficial to maintain the excellent insulation performance of the cable, and effectively solves the problem of signal transmission disorder in the practical process. Continuous use in a high temperature environment above 500°C prolongs the practical life of the cable. the

Claims (3)

1. A temperature-resistant and flame-retardant cable, characterized in that: it includes a conductor (1), and an insulating layer (2), a filling layer (3), and a sheath layer (4) are sequentially arranged outside the conductor (1) , the filling layer (3) is filled with high-temperature glass filaments. 2. A heat-resistant and flame-retardant cable according to claim 1, characterized in that: the conductor (1) is made of tin-plated copper wire flexible conductor or nickel-plated copper wire flexible conductor, and is bundled together in the same direction. Retwist. 3. A heat-resistant and flame-retardant cable according to claim 1, characterized in that: the insulating layer (2) adopts a duplex combination structure, which consists of mica tape (5) and glued glass fiber tape from inside to outside (6), ceramic heat-resistant silicone rubber (7), mica tape (8), and rubberized glass fiber tape.

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