CN202102780U - Rat-and-ant proof low smoke zero halogen fireproof computer cable - Google Patents

Abstract

The utility model relates to a low-smoke, halogen-free fire-resistant computer cable for preventing rodents and ants, and the utility model relates to the technical field of fire computer cables. A polyester tape overall wrapping layer is arranged outside the wire core, a polypropylene filler is arranged between the wire cores in the polyester tape overall wrapping layer, and a copper-plastic composite overall shielding is sequentially arranged outside the polyester tape overall wrapping layer layer, an oxygen-insulating flame-retardant tape layer and a rodent-proof low-smoke halogen-free outer sheath layer, and an oxygen-free copper layer is arranged between the polyester tape overall wrapping layer and the copper-plastic composite overall shielding layer along the length of the cable. Silk drain wire. The utility model has good anti-rodent and ant properties, shielding properties, good flame retardant performance, and little smoke when burning, no corrosive gas escapes, and can be widely used in computer control centers and high-rise buildings in nuclear power plants, subways, stations and other occasions. Buildings, important military installations, oil platforms, and places where people are concentrated and the air density is low.

Description

Rodent-proof low-smoke halogen-free fire-resistant computer cable

technical field

The utility model relates to the technical field of fire computer cables. the

Background technique

With the popularization of automatic control, the computer is the core of signal control. Because accidents such as fire and rats and ants are prone to occur in some places where people are concentrated and the air density is low. Once these events occur, the transmission of signals will be directly endangered. Therefore it is necessary to improve the performance of computer cables in these areas. the

Contents of the invention

The purpose of the utility model is to provide a computer cable with anti-rat and ant and high fire resistance. the

The utility model comprises at least two sets of wire cores, a polyester tape wrapping layer is arranged outside the wire cores, polypropylene fillers are arranged between the wire cores in the polyester tape wrapping layer, and a polyester tape wrapping layer is arranged between the wire cores. Copper-plastic composite overall shielding layer, oxygen-insulating flame-retardant tape layer, and rodent-proof low-smoke and halogen-free outer sheath layer are arranged in sequence outside the cladding layer, and between the polyester tape overall wrapping layer and the copper-plastic composite overall shielding layer An oxygen-free copper wire drainage line is arranged along the length direction of the cable. the

Each group of wire cores in the utility model includes two insulated wires, and a polyester tape inner wrapping layer is arranged outside the two insulated wires, and a copper-plastic composite tape grouping shielding layer is arranged outside the polyester tape inner wrapping layer. An oxygen-free copper wire drainage wire is arranged between the inner wrapping layer of the polyester tape and the group shielding layer of the copper-plastic composite tape along the length direction of the core. the

Each insulated conductor of the utility model includes a twisted oxygen-free copper wire conductor, and a mica tape wrapping layer and a cross-linked polyethylene insulating layer are arranged in sequence outside the twisted oxygen-free copper wire conductor. the

The utility model anti-rat and ant low-smoke halogen-free cable material is used as the outer sheath of the cable. The cable has good anti-rodent and ant performance and shielding performance, good flame retardancy, and little smoke when burning, and no corrosive gas escapes. , the oxygen-free copper wire conductor has the functional characteristics of good flexibility. The utility model can be widely used in computer control centers, high-rise buildings, important military facilities, oil platforms, and places where personnel are concentrated, such as nuclear power plants, subways, and stations. Places with low air density. the

Description of drawings

Fig. 1 is a kind of structural representation of the utility model. the

Detailed ways

As shown in Figure 1, each insulated wire 1 is provided with a seven-strand oxygen-free copper wire conductor 1-1, and a mica tape wrapping layer 1-1 is arranged in sequence outside the stranded oxygen-free copper wire conductor 1-1. 2 and XLPE insulation layers 1-3. the

Each wire core 2 is provided with two insulated wires 1, and a polyester tape inner wrapping layer 2-1 is arranged outside the two insulated wires 1, and a copper-plastic composite tape group shielding is arranged outside the polyester tape inner wrapping layer 2-1 Layer 2-2, an oxygen-free copper wire drain line 2-3 is arranged along the length direction of the core 2 between the inner wrapping layer 2-1 of the polyester tape and the group shielding layer 2-2 of the copper-plastic composite tape. the

Set the polyester tape total wrapping layer 3 outside the three groups of wire cores 2, set the polypropylene filler 4 between the cores 2 in the polyester tape total wrapping layer 3, and set the polyester tape total wrapping layer 3 outside The copper-plastic composite overall shielding layer 5, the oxygen-insulating flame-retardant tape layer 6 and the rodent-proof low-smoke and halogen-free outer sheath layer 7 are arranged in sequence, and the polyester tape overall wrapping layer 3 and the copper-plastic composite overall shielding layer 5 An oxygen-free copper wire drainage line 8 is arranged along the length direction of the cable. the

Claims (3)

1. the fire-resistant computer cable of protection against rodents ant low smoke and zero halogen; It is characterized in that comprising at least two group cores; Put the total lapping layer of polyester belt at the core peripheral hardware; Polypropylene is set between the core in the total lapping layer of said polyester belt fills material, outside the total lapping layer of polyester belt, set gradually copper and mould compound total screen, the fire-retardant belting layer of oxygen barrier and protection against rodents ant low smoke and zero halogen external sheath layer, and mould between compound total screen at the total lapping layer of polyester belt and copper and the copper free wire drainage thread to be set along said cable length direction.

2. according to the fire-resistant computer cable of the said protection against rodents ant of claim 1 low smoke and zero halogen; It is characterized in that said core comprises two insulated leads; Outside two insulated leads, lapping layer in the polyester belt is set; Compound copper-plastics band grouping screen is set outside the lapping layer in said polyester belt, in said polyester belt, along said core length direction the copper free wire drainage thread is set between lapping layer and the said compound copper-plastics band grouping screen.

3. according to the fire-resistant computer cable of the said protection against rodents ant of claim 2 low smoke and zero halogen; It is characterized in that every insulated lead comprises stranded copper free wire conductor, outside said stranded copper free wire conductor, set gradually mica tape lapping layer and crosslinked polyetylene insulated layer respectively.

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