Insulated high-temperature-resistant flame-retardant control cable

Abstract

The utility model discloses an insulating high-temperature-resistant flame-retardant control cable, which comprises an outer sheath, the inner side of the outer sheath is fixedly connected with a high-temperature-resistant layer I, the inner side of the high-temperature-resistant layer I is fixedly connected with a high-temperature-resistant layer II, the inner side of the high-temperature-resistant layer II is provided with a reinforcing unit, the reinforcing unit comprises a filling layer, and the filling layer is provided with an insulating layer. The filling layer is fixedly connected to the inner side of the second high-temperature-resistant layer, a plurality of reinforcing rings are fixedly connected to the inner side of the filling layer, a shielding sheet is fixedly connected between every two reinforcing rings, a plurality of reinforcing ribs are fixedly connected to the outer sides of the reinforcing rings, and a plurality of shielding layers are fixedly connected to the inner sides of the reinforcing rings. The inner side of the shielding layer is provided with a wire core. Through the arrangement of the reinforcing rings, the reinforcing rods, the shielding sheets and the filling layer, the overall compression resistance of the control cable is improved, through the first high-temperature-resistant layer, the second high-temperature-resistant layer and the heat insulation layer, the high-temperature-resistant performance of the cable is improved, and the service life of the cable is prolonged.

Description

Technical Field

[0001] The utility model relates to the field of cables, in particular to an insulated high-temperature-resistant and flame-retardant control cable. Background Art

[0002] Control cables are mainly used to transmit control signals and play a vital role in power systems. Control cables are a special type of cable, which is different from power cables used to transmit high-power electrical energy. The main purpose of control cables is to transmit control and protection signals in industrial and mining enterprises, energy and transportation departments, etc.

[0003] When the control cable is in use, the outer side of the cable is easily affected by external impact, which makes the cable easy to be damaged, and the internal wire core is exposed to the outside world, which reduces the service life of the cable. Utility Model Content

[0004] In order to overcome the disadvantage of poor compression resistance of cables in the prior art, one of the purposes of the utility model is to provide an insulated high temperature resistant flame retardant control cable.

[0005] One of the purposes of the utility model is achieved by the following technical solution: an insulated high temperature resistant flame retardant control cable, comprising an outer sheath: a high temperature resistant layer 1 is fixedly connected to the inner side of the outer sheath, a high temperature resistant layer 2 is fixedly connected to the inner side of the high temperature resistant layer 1, and a reinforcement unit is arranged on the inner side of the high temperature resistant layer 2;

[0006] The reinforcement unit includes a filling layer, which is fixedly connected to the inner side of the high temperature resistant layer 2, a plurality of reinforcement rings are fixedly connected to the inner side of the filling layer, a shielding sheet is fixedly connected between two of the reinforcement rings, a plurality of reinforcing ribs are fixedly connected to the outer sides of the plurality of reinforcement rings, a plurality of shielding layers are fixedly connected to the inner side of the reinforcement ring, a wire core is arranged on the inner side of the shielding layer, and a heat insulation layer is arranged between the shielding layer and the reinforcement ring.

[0007] According to the insulated high temperature resistant flame retardant control cable, a plurality of reinforcing rods are fixedly connected to the inner side of the filling layer to increase the compression resistance of the cable.

[0008] According to the insulated high temperature resistant flame retardant control cable, the reinforcement rod is made of steel bar material.

[0009] According to the insulated high temperature resistant flame retardant control cable, the first high temperature resistant layer is made of quartz sand material, and the second high temperature resistant layer is made of polyimide material, thereby increasing the high temperature resistance of the cable.

[0010] According to the insulated high temperature resistant flame retardant control cable, the thermal insulation layer is made of magnesium carbonate material.

[0011] According to the insulated high temperature resistant flame retardant control cable, the reinforcement ring is made of aluminum alloy material.

[0012] Beneficial effects:

[0013] By providing a reinforcement ring, a reinforcement rod, a shielding sheet and a filling layer, the overall compression resistance of the control cable can be increased, and by providing the high temperature resistant layer 1, the high temperature resistant layer 2 and the insulation layer, the high temperature resistance of the cable can be increased, thereby increasing the service life of the cable.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 This is the overall three-dimensional structure diagram of an insulated high temperature resistant flame retardant control cable of the utility model;

[0017] Figure 2 This is a three-dimensional structural diagram of a reinforcement unit in an insulated high temperature resistant flame retardant control cable of the utility model;

[0018] Figure 3 It is a sectional stereoscopic structural diagram of a reinforcement unit in an insulated high-temperature-resistant and flame-retardant control cable of the utility model.

[0019] Legend:

[0020] 1. Outer sheath; 2. High temperature resistant layer 1; 3. High temperature resistant layer 2; 4. Reinforcement unit; 401. Filling layer; 402. Reinforcement rod; 403. Reinforcement ring; 404. Reinforcement rib; 405. Shielding sheet; 5. Shielding layer; 6. Wire core; 7. Heat insulation layer. DETAILED DESCRIPTION

[0021] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0022] Reference Figure 1-3An insulated, high-temperature-resistant, flame-retardant control cable comprises an outer sheath 1: a high-temperature-resistant layer 2 is fixedly connected to the inner side of the outer sheath 1, a high-temperature-resistant layer 2 3 is fixedly connected to the inner side of the high-temperature-resistant layer 2, a reinforcement unit 4 is arranged on the inner side of the high-temperature-resistant layer 2, the high-temperature-resistant layer 2 3 is made of quartz sand material, the high-temperature-resistant layer 2 3 is made of polyimide material, and the heat-insulating layer 7 is made of magnesium carbonate material, wherein the high-temperature-resistant layer 1 2, the high-temperature-resistant layer 2 3 and the heat-insulating layer 7 are arranged to facilitate triple high-temperature-resistant operation of the cable and increase the high-temperature-resistant performance of the cable.

[0023] The reinforcement unit 4 includes a filling layer 401, the filling layer 401 is fixedly connected to the inner side of the high temperature resistant layer 2 3, a plurality of reinforcement rings 403 are fixedly connected to the inner side of the filling layer 401, a shielding sheet 405 is fixedly connected between two reinforcement rings 403, a plurality of reinforcing ribs 404 are fixedly connected to the outer sides of the plurality of reinforcement rings 403, a plurality of shielding layers 5 are fixedly connected to the inner side of the reinforcement rings 403, a wire core 6 is arranged on the inner side of the shielding layer 5, a heat insulation layer 7 is arranged between the shielding layer 5 and the reinforcement ring 403, and a plurality of reinforcing ribs 404 are fixedly connected to the outer sides of the plurality of reinforcement rings 403. A plurality of reinforcing rods 402 are provided, wherein the reinforcing rods 402 are made of steel bar material, and the reinforcing rings 403 are made of aluminum alloy material. When in use, the filling layer 401 is made of pearl cotton material. Through the filling layer 401 and the reinforcing rods 402, it is convenient to perform preliminary compression resistance operation on the cable, and then through the plurality of reinforcing rings 403 and the reinforcing ribs 404, the cable is subjected to compression resistance operation again, so as to perform double compression resistance treatment on the cable core 6, thereby increasing the compression resistance of the cable, and through the shielding sheet 405 and the shielding layer 5, the core 6 is shielded.

[0024] Working principle: When in use, the staff first increases the compressive resistance of the cable core 6 through the reinforcement rod 402, the filling layer 401, the reinforcement ring 403 and the reinforcing rib 404, reduces the impact of external impact force on the cable core 6, and increases the high temperature resistance of the cable through the high temperature resistant layer 1 2, the high temperature resistant layer 2 3 and the insulation layer 7.

[0025] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. An insulated high temperature resistant flame retardant control cable, characterized in that: It comprises an outer sheath (1): a first high temperature resistant layer (2) is fixedly connected to the inner side of the outer sheath (1), a second high temperature resistant layer (3) is fixedly connected to the inner side of the first high temperature resistant layer (2), and a reinforcement unit (4) is arranged on the inner side of the second high temperature resistant layer (3); The reinforcement unit (4) comprises a filling layer (401), the filling layer (401) being fixedly connected to the inner side of the second high temperature resistant layer (3), a plurality of reinforcement rings (403) being fixedly connected to the inner side of the filling layer (401), a shielding sheet (405) being fixedly connected between two of the reinforcement rings (403), a plurality of reinforcing ribs (404) being fixedly connected to the outer sides of the plurality of reinforcement rings (403), a plurality of shielding layers (5) being fixedly connected to the inner side of the reinforcement rings (403), a wire core (6) being arranged on the inner side of the shielding layer (5), and a heat insulating layer (7) being arranged between the shielding layer (5) and the reinforcement ring (403).

2. The insulated high temperature resistant flame retardant control cable according to claim 1, characterized in that: A plurality of reinforcement rods (402) are fixedly connected to the inner side of the filling layer (401).

3. The insulated high temperature resistant flame retardant control cable according to claim 2, characterized in that: The reinforcement rod (402) is made of steel bar material.

4. The insulated high temperature resistant flame retardant control cable according to claim 1, characterized in that: The first high temperature resistant layer (2) is made of quartz sand material, and the second high temperature resistant layer (3) is made of polyimide material.

5. The insulated high temperature resistant flame retardant control cable according to claim 1, characterized in that: The heat insulation layer (7) is made of magnesium carbonate material.

6. The insulated high temperature resistant flame retardant control cable according to claim 1, characterized in that: The reinforcement ring (403) is made of aluminum alloy material.

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